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btrfs: take an fs_info directly when the root is not used otherwise 

There are loads of functions in btrfs that accept a root parameter
but only use it to obtain an fs_info pointer.  Let's convert those to
just accept an fs_info pointer directly.

Signed-off-by: Jeff Mahoney <jeffm@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Jeff Mahoney 2016-06-22 18:54:24 -04:00 committed by David Sterba
parent afdb571890
commit 2ff7e61e0d
44 changed files with 1119 additions and 1243 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
fs/btrfs/backref.c
View File

@ -788,8 +788,7 @@ static int __add_missing_keys(struct btrfs_fs_info *fs_info,
if (ref->key_for_search.type)
continue;
BUG_ON(!ref->wanted_disk_byte);
eb = read_tree_block(fs_info->tree_root, ref->wanted_disk_byte,
0);
eb = read_tree_block(fs_info, ref->wanted_disk_byte, 0);
if (IS_ERR(eb)) {
return PTR_ERR(eb);
} else if (!extent_buffer_uptodate(eb)) {
@ -1405,8 +1404,7 @@ again:
ref->level == 0) {
struct extent_buffer *eb;
eb = read_tree_block(fs_info->extent_root,
ref->parent, 0);
eb = read_tree_block(fs_info, ref->parent, 0);
if (IS_ERR(eb)) {
ret = PTR_ERR(eb);
goto out;

10
fs/btrfs/check-integrity.c
View File

@ -2904,14 +2904,13 @@ int btrfsic_submit_bio_wait(struct bio *bio)
return submit_bio_wait(bio);
}
int btrfsic_mount(struct btrfs_root *root,
int btrfsic_mount(struct btrfs_fs_info *fs_info,
struct btrfs_fs_devices *fs_devices,
int including_extent_data, u32 print_mask)
{
int ret;
struct btrfsic_state *state;
struct list_head *dev_head = &fs_devices->devices;
struct btrfs_fs_info *fs_info = root->fs_info;
struct btrfs_device *device;
if (fs_info->nodesize & ((u64)PAGE_SIZE - 1)) {
@ -2939,7 +2938,7 @@ int btrfsic_mount(struct btrfs_root *root,
btrfsic_is_initialized = 1;
}
mutex_lock(&btrfsic_mutex);
state->fs_info = root->fs_info;
state->fs_info = fs_info;
state->print_mask = print_mask;
state->include_extent_data = including_extent_data;
state->csum_size = 0;
@ -2977,7 +2976,7 @@ int btrfsic_mount(struct btrfs_root *root,
ret = btrfsic_process_superblock(state, fs_devices);
if (0 != ret) {
mutex_unlock(&btrfsic_mutex);
btrfsic_unmount(root, fs_devices);
btrfsic_unmount(fs_devices);
return ret;
}
@ -2990,8 +2989,7 @@ int btrfsic_mount(struct btrfs_root *root,
return 0;
}
void btrfsic_unmount(struct btrfs_root *root,
struct btrfs_fs_devices *fs_devices)
void btrfsic_unmount(struct btrfs_fs_devices *fs_devices)
{
struct btrfsic_block *b_all, *tmp_all;
struct btrfsic_state *state;

5
fs/btrfs/check-integrity.h
View File

@ -29,10 +29,9 @@ int btrfsic_submit_bio_wait(struct bio *bio);
#define btrfsic_submit_bio_wait submit_bio_wait
#endif
int btrfsic_mount(struct btrfs_root *root,
int btrfsic_mount(struct btrfs_fs_info *fs_info,
struct btrfs_fs_devices *fs_devices,
int including_extent_data, u32 print_mask);
void btrfsic_unmount(struct btrfs_root *root,
struct btrfs_fs_devices *fs_devices);
void btrfsic_unmount(struct btrfs_fs_devices *fs_devices);
#endif

28
fs/btrfs/compression.c
View File

@ -85,10 +85,9 @@ static int btrfs_decompress_bio(int type, struct page **pages_in,
u64 disk_start, struct bio *orig_bio,
size_t srclen);
static inline int compressed_bio_size(struct btrfs_root *root,
static inline int compressed_bio_size(struct btrfs_fs_info *fs_info,
unsigned long disk_size)
{
struct btrfs_fs_info *fs_info = root->fs_info;
u16 csum_size = btrfs_super_csum_size(fs_info->super_copy);
return sizeof(struct compressed_bio) +
@ -331,7 +330,6 @@ int btrfs_submit_compressed_write(struct inode *inode, u64 start,
{
struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb);
struct bio *bio = NULL;
struct btrfs_root *root = BTRFS_I(inode)->root;
struct compressed_bio *cb;
unsigned long bytes_left;
struct extent_io_tree *io_tree = &BTRFS_I(inode)->io_tree;
@ -343,7 +341,7 @@ int btrfs_submit_compressed_write(struct inode *inode, u64 start,
int skip_sum = BTRFS_I(inode)->flags & BTRFS_INODE_NODATASUM;
WARN_ON(start & ((u64)PAGE_SIZE - 1));
cb = kmalloc(compressed_bio_size(root, compressed_len), GFP_NOFS);
cb = kmalloc(compressed_bio_size(fs_info, compressed_len), GFP_NOFS);
if (!cb)
return -ENOMEM;
atomic_set(&cb->pending_bios, 0);
@ -398,12 +396,11 @@ int btrfs_submit_compressed_write(struct inode *inode, u64 start,
BUG_ON(ret); /* -ENOMEM */
if (!skip_sum) {
ret = btrfs_csum_one_bio(root, inode, bio,
start, 1);
ret = btrfs_csum_one_bio(inode, bio, start, 1);
BUG_ON(ret); /* -ENOMEM */
}
ret = btrfs_map_bio(root, bio, 0, 1);
ret = btrfs_map_bio(fs_info, bio, 0, 1);
if (ret) {
bio->bi_error = ret;
bio_endio(bio);
@ -433,11 +430,11 @@ int btrfs_submit_compressed_write(struct inode *inode, u64 start,
BUG_ON(ret); /* -ENOMEM */
if (!skip_sum) {
ret = btrfs_csum_one_bio(root, inode, bio, start, 1);
ret = btrfs_csum_one_bio(inode, bio, start, 1);
BUG_ON(ret); /* -ENOMEM */
}
ret = btrfs_map_bio(root, bio, 0, 1);
ret = btrfs_map_bio(fs_info, bio, 0, 1);
if (ret) {
bio->bi_error = ret;
bio_endio(bio);
@ -581,7 +578,6 @@ int btrfs_submit_compressed_read(struct inode *inode, struct bio *bio,
struct extent_io_tree *tree;
struct extent_map_tree *em_tree;
struct compressed_bio *cb;
struct btrfs_root *root = BTRFS_I(inode)->root;
unsigned long compressed_len;
unsigned long nr_pages;
unsigned long pg_index;
@ -609,7 +605,7 @@ int btrfs_submit_compressed_read(struct inode *inode, struct bio *bio,
return -EIO;
compressed_len = em->block_len;
cb = kmalloc(compressed_bio_size(root, compressed_len), GFP_NOFS);
cb = kmalloc(compressed_bio_size(fs_info, compressed_len), GFP_NOFS);
if (!cb)
goto out;
@ -694,14 +690,14 @@ int btrfs_submit_compressed_read(struct inode *inode, struct bio *bio,
atomic_inc(&cb->pending_bios);
if (!(BTRFS_I(inode)->flags & BTRFS_INODE_NODATASUM)) {
ret = btrfs_lookup_bio_sums(root, inode,
comp_bio, sums);
ret = btrfs_lookup_bio_sums(inode, comp_bio,
sums);
BUG_ON(ret); /* -ENOMEM */
}
sums += DIV_ROUND_UP(comp_bio->bi_iter.bi_size,
fs_info->sectorsize);
ret = btrfs_map_bio(root, comp_bio, mirror_num, 0);
ret = btrfs_map_bio(fs_info, comp_bio, mirror_num, 0);
if (ret) {
comp_bio->bi_error = ret;
bio_endio(comp_bio);
@ -726,11 +722,11 @@ int btrfs_submit_compressed_read(struct inode *inode, struct bio *bio,
BUG_ON(ret); /* -ENOMEM */
if (!(BTRFS_I(inode)->flags & BTRFS_INODE_NODATASUM)) {
ret = btrfs_lookup_bio_sums(root, inode, comp_bio, sums);
ret = btrfs_lookup_bio_sums(inode, comp_bio, sums);
BUG_ON(ret); /* -ENOMEM */
}
ret = btrfs_map_bio(root, comp_bio, mirror_num, 0);
ret = btrfs_map_bio(fs_info, comp_bio, mirror_num, 0);
if (ret) {
comp_bio->bi_error = ret;
bio_endio(comp_bio);

231
fs/btrfs/ctree.c
View File

@ -32,10 +32,11 @@ static int split_leaf(struct btrfs_trans_handle *trans, struct btrfs_root
*root, struct btrfs_key *ins_key,
struct btrfs_path *path, int data_size, int extend);
static int push_node_left(struct btrfs_trans_handle *trans,
struct btrfs_root *root, struct extent_buffer *dst,
struct btrfs_fs_info *fs_info,
struct extent_buffer *dst,
struct extent_buffer *src, int empty);
static int balance_node_right(struct btrfs_trans_handle *trans,
struct btrfs_root *root,
struct btrfs_fs_info *fs_info,
struct extent_buffer *dst_buf,
struct extent_buffer *src_buf);
static void del_ptr(struct btrfs_root *root, struct btrfs_path *path,
@ -1005,7 +1006,7 @@ static noinline int update_ref_for_cow(struct btrfs_trans_handle *trans,
*/
if (btrfs_block_can_be_shared(root, buf)) {
ret = btrfs_lookup_extent_info(trans, root, buf->start,
ret = btrfs_lookup_extent_info(trans, fs_info, buf->start,
btrfs_header_level(buf), 1,
&refs, &flags);
if (ret)
@ -1055,7 +1056,7 @@ static noinline int update_ref_for_cow(struct btrfs_trans_handle *trans,
if (new_flags != 0) {
int level = btrfs_header_level(buf);
ret = btrfs_set_disk_extent_flags(trans, root,
ret = btrfs_set_disk_extent_flags(trans, fs_info,
buf->start,
buf->len,
new_flags, level, 0);
@ -1431,7 +1432,7 @@ get_old_root(struct btrfs_root *root, u64 time_seq)
if (old_root && tm && tm->op != MOD_LOG_KEY_REMOVE_WHILE_FREEING) {
btrfs_tree_read_unlock(eb_root);
free_extent_buffer(eb_root);
old = read_tree_block(root, logical, 0);
old = read_tree_block(fs_info, logical, 0);
if (WARN_ON(IS_ERR(old) || !extent_buffer_uptodate(old))) {
if (!IS_ERR(old))
free_extent_buffer(old);
@ -1682,7 +1683,7 @@ int btrfs_realloc_node(struct btrfs_trans_handle *trans,
uptodate = 0;
if (!cur || !uptodate) {
if (!cur) {
cur = read_tree_block(root, blocknr, gen);
cur = read_tree_block(fs_info, blocknr, gen);
if (IS_ERR(cur)) {
return PTR_ERR(cur);
} else if (!extent_buffer_uptodate(cur)) {
@ -1843,8 +1844,9 @@ static void root_sub_used(struct btrfs_root *root, u32 size)
/* given a node and slot number, this reads the blocks it points to. The
* extent buffer is returned with a reference taken (but unlocked).
*/
static noinline struct extent_buffer *read_node_slot(struct btrfs_root *root,
struct extent_buffer *parent, int slot)
static noinline struct extent_buffer *
read_node_slot(struct btrfs_fs_info *fs_info, struct extent_buffer *parent,
int slot)
{
int level = btrfs_header_level(parent);
struct extent_buffer *eb;
@ -1854,7 +1856,7 @@ static noinline struct extent_buffer *read_node_slot(struct btrfs_root *root,
BUG_ON(level == 0);
eb = read_tree_block(root, btrfs_node_blockptr(parent, slot),
eb = read_tree_block(fs_info, btrfs_node_blockptr(parent, slot),
btrfs_node_ptr_generation(parent, slot));
if (!IS_ERR(eb) && !extent_buffer_uptodate(eb)) {
free_extent_buffer(eb);
@ -1911,7 +1913,7 @@ static noinline int balance_level(struct btrfs_trans_handle *trans,
return 0;
/* promote the child to a root */
child = read_node_slot(root, mid, 0);
child = read_node_slot(fs_info, mid, 0);
if (IS_ERR(child)) {
ret = PTR_ERR(child);
btrfs_handle_fs_error(fs_info, ret, NULL);
@ -1950,7 +1952,7 @@ static noinline int balance_level(struct btrfs_trans_handle *trans,
BTRFS_NODEPTRS_PER_BLOCK(fs_info) / 4)
return 0;
left = read_node_slot(root, parent, pslot - 1);
left = read_node_slot(fs_info, parent, pslot - 1);
if (IS_ERR(left))
left = NULL;
@ -1965,7 +1967,7 @@ static noinline int balance_level(struct btrfs_trans_handle *trans,
}
}
right = read_node_slot(root, parent, pslot + 1);
right = read_node_slot(fs_info, parent, pslot + 1);
if (IS_ERR(right))
right = NULL;
@ -1983,7 +1985,7 @@ static noinline int balance_level(struct btrfs_trans_handle *trans,
/* first, try to make some room in the middle buffer */
if (left) {
orig_slot += btrfs_header_nritems(left);
wret = push_node_left(trans, root, left, mid, 1);
wret = push_node_left(trans, fs_info, left, mid, 1);
if (wret < 0)
ret = wret;
}
@ -1992,7 +1994,7 @@ static noinline int balance_level(struct btrfs_trans_handle *trans,
* then try to empty the right most buffer into the middle
*/
if (right) {
wret = push_node_left(trans, root, mid, right, 1);
wret = push_node_left(trans, fs_info, mid, right, 1);
if (wret < 0 && wret != -ENOSPC)
ret = wret;
if (btrfs_header_nritems(right) == 0) {
@ -2027,13 +2029,13 @@ static noinline int balance_level(struct btrfs_trans_handle *trans,
btrfs_handle_fs_error(fs_info, ret, NULL);
goto enospc;
}
wret = balance_node_right(trans, root, mid, left);
wret = balance_node_right(trans, fs_info, mid, left);
if (wret < 0) {
ret = wret;
goto enospc;
}
if (wret == 1) {
wret = push_node_left(trans, root, left, mid, 1);
wret = push_node_left(trans, fs_info, left, mid, 1);
if (wret < 0)
ret = wret;
}
@ -2122,7 +2124,7 @@ static noinline int push_nodes_for_insert(struct btrfs_trans_handle *trans,
if (!parent)
return 1;
left = read_node_slot(root, parent, pslot - 1);
left = read_node_slot(fs_info, parent, pslot - 1);
if (IS_ERR(left))
left = NULL;
@ -2142,7 +2144,7 @@ static noinline int push_nodes_for_insert(struct btrfs_trans_handle *trans,
if (ret)
wret = 1;
else {
wret = push_node_left(trans, root,
wret = push_node_left(trans, fs_info,
left, mid, 0);
}
}
@ -2173,7 +2175,7 @@ static noinline int push_nodes_for_insert(struct btrfs_trans_handle *trans,
btrfs_tree_unlock(left);
free_extent_buffer(left);
}
right = read_node_slot(root, parent, pslot + 1);
right = read_node_slot(fs_info, parent, pslot + 1);
if (IS_ERR(right))
right = NULL;
@ -2196,7 +2198,7 @@ static noinline int push_nodes_for_insert(struct btrfs_trans_handle *trans,
if (ret)
wret = 1;
else {
wret = balance_node_right(trans, root,
wret = balance_node_right(trans, fs_info,
right, mid);
}
}
@ -2234,11 +2236,10 @@ static noinline int push_nodes_for_insert(struct btrfs_trans_handle *trans,
* readahead one full node of leaves, finding things that are close
* to the block in 'slot', and triggering ra on them.
*/
static void reada_for_search(struct btrfs_root *root,
static void reada_for_search(struct btrfs_fs_info *fs_info,
struct btrfs_path *path,
int level, int slot, u64 objectid)
{
struct btrfs_fs_info *fs_info = root->fs_info;
struct extent_buffer *node;
struct btrfs_disk_key disk_key;
u32 nritems;
@ -2289,7 +2290,7 @@ static void reada_for_search(struct btrfs_root *root,
search = btrfs_node_blockptr(node, nr);
if ((search <= target && target - search <= 65536) ||
(search > target && search - target <= 65536)) {
readahead_tree_block(root, search);
readahead_tree_block(fs_info, search);
nread += blocksize;
}
nscan++;
@ -2298,10 +2299,9 @@ static void reada_for_search(struct btrfs_root *root,
}
}
static noinline void reada_for_balance(struct btrfs_root *root,
static noinline void reada_for_balance(struct btrfs_fs_info *fs_info,
struct btrfs_path *path, int level)
{
struct btrfs_fs_info *fs_info = root->fs_info;
int slot;
int nritems;
struct extent_buffer *parent;
@ -2340,9 +2340,9 @@ static noinline void reada_for_balance(struct btrfs_root *root,
}
if (block1)
readahead_tree_block(root, block1);
readahead_tree_block(fs_info, block1);
if (block2)
readahead_tree_block(root, block2);
readahead_tree_block(fs_info, block2);
}
@ -2491,12 +2491,12 @@ read_block_for_search(struct btrfs_trans_handle *trans,
free_extent_buffer(tmp);
if (p->reada != READA_NONE)
reada_for_search(root, p, level, slot, key->objectid);
reada_for_search(fs_info, p, level, slot, key->objectid);
btrfs_release_path(p);
ret = -EAGAIN;
tmp = read_tree_block(root, blocknr, 0);
tmp = read_tree_block(fs_info, blocknr, 0);
if (!IS_ERR(tmp)) {
/*
* If the read above didn't mark this buffer up to date,
@ -2542,7 +2542,7 @@ setup_nodes_for_search(struct btrfs_trans_handle *trans,
}
btrfs_set_path_blocking(p);
reada_for_balance(root, p, level);
reada_for_balance(fs_info, p, level);
sret = split_node(trans, root, p, level);
btrfs_clear_path_blocking(p, NULL, 0);
@ -2563,7 +2563,7 @@ setup_nodes_for_search(struct btrfs_trans_handle *trans,
}
btrfs_set_path_blocking(p);
reada_for_balance(root, p, level);
reada_for_balance(fs_info, p, level);
sret = balance_level(trans, root, p, level);
btrfs_clear_path_blocking(p, NULL, 0);
@ -2905,7 +2905,7 @@ cow_done:
} else {
p->slots[level] = slot;
if (ins_len > 0 &&
btrfs_leaf_free_space(root, b) < ins_len) {
btrfs_leaf_free_space(fs_info, b) < ins_len) {
if (write_lock_level < 1) {
write_lock_level = 1;
btrfs_release_path(p);
@ -3198,10 +3198,10 @@ void btrfs_set_item_key_safe(struct btrfs_fs_info *fs_info,
* error, and > 0 if there was no room in the left hand block.
*/
static int push_node_left(struct btrfs_trans_handle *trans,
struct btrfs_root *root, struct extent_buffer *dst,
struct btrfs_fs_info *fs_info,
struct extent_buffer *dst,
struct extent_buffer *src, int empty)
{
struct btrfs_fs_info *fs_info = root->fs_info;
int push_items = 0;
int src_nritems;
int dst_nritems;
@ -3273,11 +3273,10 @@ static int push_node_left(struct btrfs_trans_handle *trans,
* this will only push up to 1/2 the contents of the left node over
*/
static int balance_node_right(struct btrfs_trans_handle *trans,
struct btrfs_root *root,
struct btrfs_fs_info *fs_info,
struct extent_buffer *dst,
struct extent_buffer *src)
{
struct btrfs_fs_info *fs_info = root->fs_info;
int push_items = 0;
int max_push;
int src_nritems;
@ -3407,11 +3406,10 @@ static noinline int insert_new_root(struct btrfs_trans_handle *trans,
* blocknr is the block the key points to.
*/
static void insert_ptr(struct btrfs_trans_handle *trans,
struct btrfs_root *root, struct btrfs_path *path,
struct btrfs_fs_info *fs_info, struct btrfs_path *path,
struct btrfs_disk_key *key, u64 bytenr,
int slot, int level)
{
struct btrfs_fs_info *fs_info = root->fs_info;
struct extent_buffer *lower;
int nritems;
int ret;
@ -3527,7 +3525,7 @@ static noinline int split_node(struct btrfs_trans_handle *trans,
btrfs_mark_buffer_dirty(c);
btrfs_mark_buffer_dirty(split);
insert_ptr(trans, root, path, &disk_key, split->start,
insert_ptr(trans, fs_info, path, &disk_key, split->start,
path->slots[level + 1] + 1, level + 1);
if (path->slots[level] >= mid) {
@ -3575,10 +3573,9 @@ static int leaf_space_used(struct extent_buffer *l, int start, int nr)
* the start of the leaf data. IOW, how much room
* the leaf has left for both items and data
*/
noinline int btrfs_leaf_free_space(struct btrfs_root *root,
noinline int btrfs_leaf_free_space(struct btrfs_fs_info *fs_info,
struct extent_buffer *leaf)
{
struct btrfs_fs_info *fs_info = root->fs_info;
int nritems = btrfs_header_nritems(leaf);
int ret;
@ -3598,14 +3595,13 @@ noinline int btrfs_leaf_free_space(struct btrfs_root *root,
* right. We'll push up to and including min_slot, but no lower
*/
static noinline int __push_leaf_right(struct btrfs_trans_handle *trans,
struct btrfs_root *root,
struct btrfs_fs_info *fs_info,
struct btrfs_path *path,
int data_size, int empty,
struct extent_buffer *right,
int free_space, u32 left_nritems,
u32 min_slot)
{
struct btrfs_fs_info *fs_info = root->fs_info;
struct extent_buffer *left = path->nodes[0];
struct extent_buffer *upper = path->nodes[1];
struct btrfs_map_token token;
@ -3639,7 +3635,7 @@ static noinline int __push_leaf_right(struct btrfs_trans_handle *trans,
if (path->slots[0] > i)
break;
if (path->slots[0] == i) {
int space = btrfs_leaf_free_space(root, left);
int space = btrfs_leaf_free_space(fs_info, left);
if (space + push_space * 2 > free_space)
break;
}
@ -3668,10 +3664,10 @@ static noinline int __push_leaf_right(struct btrfs_trans_handle *trans,
right_nritems = btrfs_header_nritems(right);
push_space = btrfs_item_end_nr(left, left_nritems - push_items);
push_space -= leaf_data_end(root, left);
push_space -= leaf_data_end(fs_info, left);
/* make room in the right data area */
data_end = leaf_data_end(root, right);
data_end = leaf_data_end(fs_info, right);
memmove_extent_buffer(right,
btrfs_leaf_data(right) + data_end - push_space,
btrfs_leaf_data(right) + data_end,
@ -3680,7 +3676,7 @@ static noinline int __push_leaf_right(struct btrfs_trans_handle *trans,
/* copy from the left data area */
copy_extent_buffer(right, left, btrfs_leaf_data(right) +
BTRFS_LEAF_DATA_SIZE(fs_info) - push_space,
btrfs_leaf_data(left) + leaf_data_end(root, left),
btrfs_leaf_data(left) + leaf_data_end(fs_info, left),
push_space);
memmove_extent_buffer(right, btrfs_item_nr_offset(push_items),
@ -3752,6 +3748,7 @@ static int push_leaf_right(struct btrfs_trans_handle *trans, struct btrfs_root
int min_data_size, int data_size,
int empty, u32 min_slot)
{
struct btrfs_fs_info *fs_info = root->fs_info;
struct extent_buffer *left = path->nodes[0];
struct extent_buffer *right;
struct extent_buffer *upper;
@ -3770,7 +3767,7 @@ static int push_leaf_right(struct btrfs_trans_handle *trans, struct btrfs_root
btrfs_assert_tree_locked(path->nodes[1]);
right = read_node_slot(root, upper, slot + 1);
right = read_node_slot(fs_info, upper, slot + 1);
/*
* slot + 1 is not valid or we fail to read the right node,
* no big deal, just return.
@ -3781,7 +3778,7 @@ static int push_leaf_right(struct btrfs_trans_handle *trans, struct btrfs_root
btrfs_tree_lock(right);
btrfs_set_lock_blocking(right);
free_space = btrfs_leaf_free_space(root, right);
free_space = btrfs_leaf_free_space(fs_info, right);
if (free_space < data_size)
goto out_unlock;
@ -3791,7 +3788,7 @@ static int push_leaf_right(struct btrfs_trans_handle *trans, struct btrfs_root
if (ret)
goto out_unlock;
free_space = btrfs_leaf_free_space(root, right);
free_space = btrfs_leaf_free_space(fs_info, right);
if (free_space < data_size)
goto out_unlock;
@ -3812,7 +3809,7 @@ static int push_leaf_right(struct btrfs_trans_handle *trans, struct btrfs_root
return 0;
}
return __push_leaf_right(trans, root, path, min_data_size, empty,
return __push_leaf_right(trans, fs_info, path, min_data_size, empty,
right, free_space, left_nritems, min_slot);
out_unlock:
btrfs_tree_unlock(right);
@ -3829,13 +3826,12 @@ out_unlock:
* items
*/
static noinline int __push_leaf_left(struct btrfs_trans_handle *trans,
struct btrfs_root *root,
struct btrfs_fs_info *fs_info,
struct btrfs_path *path, int data_size,
int empty, struct extent_buffer *left,
int free_space, u32 right_nritems,
u32 max_slot)
{
struct btrfs_fs_info *fs_info = root->fs_info;
struct btrfs_disk_key disk_key;
struct extent_buffer *right = path->nodes[0];
int i;
@ -3863,7 +3859,7 @@ static noinline int __push_leaf_left(struct btrfs_trans_handle *trans,
if (path->slots[0] < i)
break;
if (path->slots[0] == i) {
int space = btrfs_leaf_free_space(root, right);
int space = btrfs_leaf_free_space(fs_info, right);
if (space + push_space * 2 > free_space)
break;
}
@ -3896,7 +3892,7 @@ static noinline int __push_leaf_left(struct btrfs_trans_handle *trans,
btrfs_item_offset_nr(right, push_items - 1);
copy_extent_buffer(left, right, btrfs_leaf_data(left) +
leaf_data_end(root, left) - push_space,
leaf_data_end(fs_info, left) - push_space,
btrfs_leaf_data(right) +
btrfs_item_offset_nr(right, push_items - 1),
push_space);
@ -3923,11 +3919,11 @@ static noinline int __push_leaf_left(struct btrfs_trans_handle *trans,
if (push_items < right_nritems) {
push_space = btrfs_item_offset_nr(right, push_items - 1) -
leaf_data_end(root, right);
leaf_data_end(fs_info, right);
memmove_extent_buffer(right, btrfs_leaf_data(right) +
BTRFS_LEAF_DATA_SIZE(fs_info) - push_space,
btrfs_leaf_data(right) +
leaf_data_end(root, right), push_space);
leaf_data_end(fs_info, right), push_space);
memmove_extent_buffer(right, btrfs_item_nr_offset(0),
btrfs_item_nr_offset(push_items),
@ -3986,6 +3982,7 @@ static int push_leaf_left(struct btrfs_trans_handle *trans, struct btrfs_root
*root, struct btrfs_path *path, int min_data_size,
int data_size, int empty, u32 max_slot)
{
struct btrfs_fs_info *fs_info = root->fs_info;
struct extent_buffer *right = path->nodes[0];
struct extent_buffer *left;
int slot;
@ -4005,7 +4002,7 @@ static int push_leaf_left(struct btrfs_trans_handle *trans, struct btrfs_root
btrfs_assert_tree_locked(path->nodes[1]);
left = read_node_slot(root, path->nodes[1], slot - 1);
left = read_node_slot(fs_info, path->nodes[1], slot - 1);
/*
* slot - 1 is not valid or we fail to read the left node,
* no big deal, just return.
@ -4016,7 +4013,7 @@ static int push_leaf_left(struct btrfs_trans_handle *trans, struct btrfs_root
btrfs_tree_lock(left);
btrfs_set_lock_blocking(left);
free_space = btrfs_leaf_free_space(root, left);
free_space = btrfs_leaf_free_space(fs_info, left);
if (free_space < data_size) {
ret = 1;
goto out;
@ -4032,13 +4029,13 @@ static int push_leaf_left(struct btrfs_trans_handle *trans, struct btrfs_root
goto out;
}
free_space = btrfs_leaf_free_space(root, left);
free_space = btrfs_leaf_free_space(fs_info, left);
if (free_space < data_size) {
ret = 1;
goto out;
}
return __push_leaf_left(trans, root, path, min_data_size,
return __push_leaf_left(trans, fs_info, path, min_data_size,
empty, left, free_space, right_nritems,
max_slot);
out:
@ -4052,13 +4049,12 @@ out:
* available for the resulting leaf level of the path.
*/
static noinline void copy_for_split(struct btrfs_trans_handle *trans,
struct btrfs_root *root,
struct btrfs_fs_info *fs_info,
struct btrfs_path *path,
struct extent_buffer *l,
struct extent_buffer *right,
int slot, int mid, int nritems)
{
struct btrfs_fs_info *fs_info = root->fs_info;
int data_copy_size;
int rt_data_off;
int i;
@ -4069,7 +4065,7 @@ static noinline void copy_for_split(struct btrfs_trans_handle *trans,
nritems = nritems - mid;
btrfs_set_header_nritems(right, nritems);
data_copy_size = btrfs_item_end_nr(l, mid) - leaf_data_end(root, l);
data_copy_size = btrfs_item_end_nr(l, mid) - leaf_data_end(fs_info, l);
copy_extent_buffer(right, l, btrfs_item_nr_offset(0),
btrfs_item_nr_offset(mid),
@ -4078,7 +4074,7 @@ static noinline void copy_for_split(struct btrfs_trans_handle *trans,
copy_extent_buffer(right, l,
btrfs_leaf_data(right) + BTRFS_LEAF_DATA_SIZE(fs_info) -
data_copy_size, btrfs_leaf_data(l) +
leaf_data_end(root, l), data_copy_size);
leaf_data_end(fs_info, l), data_copy_size);
rt_data_off = BTRFS_LEAF_DATA_SIZE(fs_info) - btrfs_item_end_nr(l, mid);
@ -4093,7 +4089,7 @@ static noinline void copy_for_split(struct btrfs_trans_handle *trans,
btrfs_set_header_nritems(l, mid);
btrfs_item_key(right, &disk_key, 0);
insert_ptr(trans, root, path, &disk_key, right->start,
insert_ptr(trans, fs_info, path, &disk_key, right->start,
path->slots[1] + 1, 1);
btrfs_mark_buffer_dirty(right);
@ -4129,6 +4125,7 @@ static noinline int push_for_double_split(struct btrfs_trans_handle *trans,
struct btrfs_path *path,
int data_size)
{
struct btrfs_fs_info *fs_info = root->fs_info;
int ret;
int progress = 0;
int slot;
@ -4137,7 +4134,7 @@ static noinline int push_for_double_split(struct btrfs_trans_handle *trans,
slot = path->slots[0];
if (slot < btrfs_header_nritems(path->nodes[0]))
space_needed -= btrfs_leaf_free_space(root, path->nodes[0]);
space_needed -= btrfs_leaf_free_space(fs_info, path->nodes[0]);
/*
* try to push all the items after our slot into the
@ -4158,7 +4155,7 @@ static noinline int push_for_double_split(struct btrfs_trans_handle *trans,
if (path->slots[0] == 0 || path->slots[0] == nritems)
return 0;
if (btrfs_leaf_free_space(root, path->nodes[0]) >= data_size)
if (btrfs_leaf_free_space(fs_info, path->nodes[0]) >= data_size)
return 0;
/* try to push all the items before our slot into the next leaf */
@ -4211,7 +4208,7 @@ static noinline int split_leaf(struct btrfs_trans_handle *trans,
int space_needed = data_size;
if (slot < btrfs_header_nritems(l))
space_needed -= btrfs_leaf_free_space(root, l);
space_needed -= btrfs_leaf_free_space(fs_info, l);
wret = push_leaf_right(trans, root, path, space_needed,
space_needed, 0, 0);
@ -4226,7 +4223,7 @@ static noinline int split_leaf(struct btrfs_trans_handle *trans,
l = path->nodes[0];
/* did the pushes work? */
if (btrfs_leaf_free_space(root, l) >= data_size)
if (btrfs_leaf_free_space(fs_info, l) >= data_size)
return 0;
}
@ -4303,8 +4300,8 @@ again:
if (split == 0) {
if (mid <= slot) {
btrfs_set_header_nritems(right, 0);
insert_ptr(trans, root, path, &disk_key, right->start,
path->slots[1] + 1, 1);
insert_ptr(trans, fs_info, path, &disk_key,
right->start, path->slots[1] + 1, 1);
btrfs_tree_unlock(path->nodes[0]);
free_extent_buffer(path->nodes[0]);
path->nodes[0] = right;
@ -4312,8 +4309,8 @@ again:
path->slots[1] += 1;
} else {
btrfs_set_header_nritems(right, 0);
insert_ptr(trans, root, path, &disk_key, right->start,
path->slots[1], 1);
insert_ptr(trans, fs_info, path, &disk_key,
right->start, path->slots[1], 1);
btrfs_tree_unlock(path->nodes[0]);
free_extent_buffer(path->nodes[0]);
path->nodes[0] = right;
@ -4329,7 +4326,7 @@ again:
return ret;
}
copy_for_split(trans, root, path, l, right, slot, mid, nritems);
copy_for_split(trans, fs_info, path, l, right, slot, mid, nritems);
if (split == 2) {
BUG_ON(num_doubles != 0);
@ -4342,7 +4339,7 @@ again:
push_for_double:
push_for_double_split(trans, root, path, data_size);
tried_avoid_double = 1;
if (btrfs_leaf_free_space(root, path->nodes[0]) >= data_size)
if (btrfs_leaf_free_space(fs_info, path->nodes[0]) >= data_size)
return 0;
goto again;
}
@ -4351,6 +4348,7 @@ static noinline int setup_leaf_for_split(struct btrfs_trans_handle *trans,
struct btrfs_root *root,
struct btrfs_path *path, int ins_len)
{
struct btrfs_fs_info *fs_info = root->fs_info;
struct btrfs_key key;
struct extent_buffer *leaf;
struct btrfs_file_extent_item *fi;
@ -4364,7 +4362,7 @@ static noinline int setup_leaf_for_split(struct btrfs_trans_handle *trans,
BUG_ON(key.type != BTRFS_EXTENT_DATA_KEY &&
key.type != BTRFS_EXTENT_CSUM_KEY);
if (btrfs_leaf_free_space(root, leaf) >= ins_len)
if (btrfs_leaf_free_space(fs_info, leaf) >= ins_len)
return 0;
item_size = btrfs_item_size_nr(leaf, path->slots[0]);
@ -4391,7 +4389,7 @@ static noinline int setup_leaf_for_split(struct btrfs_trans_handle *trans,
goto err;
/* the leaf has changed, it now has room. return now */
if (btrfs_leaf_free_space(root, path->nodes[0]) >= ins_len)
if (btrfs_leaf_free_space(fs_info, path->nodes[0]) >= ins_len)
goto err;
if (key.type == BTRFS_EXTENT_DATA_KEY) {
@ -4415,7 +4413,7 @@ err:
}
static noinline int split_item(struct btrfs_trans_handle *trans,
struct btrfs_root *root,
struct btrfs_fs_info *fs_info,
struct btrfs_path *path,
struct btrfs_key *new_key,
unsigned long split_offset)
@ -4431,7 +4429,7 @@ static noinline int split_item(struct btrfs_trans_handle *trans,
struct btrfs_disk_key disk_key;
leaf = path->nodes[0];
BUG_ON(btrfs_leaf_free_space(root, leaf) < sizeof(struct btrfs_item));
BUG_ON(btrfs_leaf_free_space(fs_info, leaf) < sizeof(struct btrfs_item));
btrfs_set_path_blocking(path);
@ -4480,7 +4478,7 @@ static noinline int split_item(struct btrfs_trans_handle *trans,
item_size - split_offset);
btrfs_mark_buffer_dirty(leaf);
BUG_ON(btrfs_leaf_free_space(root, leaf) < 0);
BUG_ON(btrfs_leaf_free_space(fs_info, leaf) < 0);
kfree(buf);
return 0;
}
@ -4512,7 +4510,7 @@ int btrfs_split_item(struct btrfs_trans_handle *trans,
if (ret)
return ret;
ret = split_item(trans, root, path, new_key, split_offset);
ret = split_item(trans, root->fs_info, path, new_key, split_offset);
return ret;
}
@ -4558,10 +4556,9 @@ int btrfs_duplicate_item(struct btrfs_trans_handle *trans,
* off the end of the item or if we shift the item to chop bytes off
* the front.
*/
void btrfs_truncate_item(struct btrfs_root *root, struct btrfs_path *path,
u32 new_size, int from_end)
void btrfs_truncate_item(struct btrfs_fs_info *fs_info,
struct btrfs_path *path, u32 new_size, int from_end)
{
struct btrfs_fs_info *fs_info = root->fs_info;
int slot;
struct extent_buffer *leaf;
struct btrfs_item *item;
@ -4583,7 +4580,7 @@ void btrfs_truncate_item(struct btrfs_root *root, struct btrfs_path *path,
return;
nritems = btrfs_header_nritems(leaf);
data_end = leaf_data_end(root, leaf);
data_end = leaf_data_end(fs_info, leaf);
old_data_start = btrfs_item_offset_nr(leaf, slot);
@ -4649,8 +4646,8 @@ void btrfs_truncate_item(struct btrfs_root *root, struct btrfs_path *path,
btrfs_set_item_size(leaf, item, new_size);
btrfs_mark_buffer_dirty(leaf);
if (btrfs_leaf_free_space(root, leaf) < 0) {
btrfs_print_leaf(root, leaf);
if (btrfs_leaf_free_space(fs_info, leaf) < 0) {
btrfs_print_leaf(fs_info, leaf);
BUG();
}
}
@ -4658,10 +4655,9 @@ void btrfs_truncate_item(struct btrfs_root *root, struct btrfs_path *path,
/*
* make the item pointed to by the path bigger, data_size is the added size.
*/
void btrfs_extend_item(struct btrfs_root *root, struct btrfs_path *path,
void btrfs_extend_item(struct btrfs_fs_info *fs_info, struct btrfs_path *path,
u32 data_size)
{
struct btrfs_fs_info *fs_info = root->fs_info;
int slot;
struct extent_buffer *leaf;
struct btrfs_item *item;
@ -4677,10 +4673,10 @@ void btrfs_extend_item(struct btrfs_root *root, struct btrfs_path *path,
leaf = path->nodes[0];
nritems = btrfs_header_nritems(leaf);
data_end = leaf_data_end(root, leaf);
data_end = leaf_data_end(fs_info, leaf);
if (btrfs_leaf_free_space(root, leaf) < data_size) {
btrfs_print_leaf(root, leaf);
if (btrfs_leaf_free_space(fs_info, leaf) < data_size) {
btrfs_print_leaf(fs_info, leaf);
BUG();
}
slot = path->slots[0];
@ -4688,7 +4684,7 @@ void btrfs_extend_item(struct btrfs_root *root, struct btrfs_path *path,
BUG_ON(slot < 0);
if (slot >= nritems) {
btrfs_print_leaf(root, leaf);
btrfs_print_leaf(fs_info, leaf);
btrfs_crit(fs_info, "slot %d too large, nritems %d",
slot, nritems);
BUG_ON(1);
@ -4718,8 +4714,8 @@ void btrfs_extend_item(struct btrfs_root *root, struct btrfs_path *path,
btrfs_set_item_size(leaf, item, old_size + data_size);
btrfs_mark_buffer_dirty(leaf);
if (btrfs_leaf_free_space(root, leaf) < 0) {
btrfs_print_leaf(root, leaf);
if (btrfs_leaf_free_space(fs_info, leaf) < 0) {
btrfs_print_leaf(fs_info, leaf);
BUG();
}
}
@ -4755,12 +4751,12 @@ void setup_items_for_insert(struct btrfs_root *root, struct btrfs_path *path,
slot = path->slots[0];
nritems = btrfs_header_nritems(leaf);
data_end = leaf_data_end(root, leaf);
data_end = leaf_data_end(fs_info, leaf);
if (btrfs_leaf_free_space(root, leaf) < total_size) {
btrfs_print_leaf(root, leaf);
if (btrfs_leaf_free_space(fs_info, leaf) < total_size) {
btrfs_print_leaf(fs_info, leaf);
btrfs_crit(fs_info, "not enough freespace need %u have %d",
total_size, btrfs_leaf_free_space(root, leaf));
total_size, btrfs_leaf_free_space(fs_info, leaf));
BUG();
}
@ -4768,7 +4764,7 @@ void setup_items_for_insert(struct btrfs_root *root, struct btrfs_path *path,
unsigned int old_data = btrfs_item_end_nr(leaf, slot);
if (old_data < data_end) {
btrfs_print_leaf(root, leaf);
btrfs_print_leaf(fs_info, leaf);
btrfs_crit(fs_info, "slot %d old_data %d data_end %d",
slot, old_data, data_end);
BUG_ON(1);
@ -4811,8 +4807,8 @@ void setup_items_for_insert(struct btrfs_root *root, struct btrfs_path *path,
btrfs_set_header_nritems(leaf, nritems + nr);
btrfs_mark_buffer_dirty(leaf);
if (btrfs_leaf_free_space(root, leaf) < 0) {
btrfs_print_leaf(root, leaf);
if (btrfs_leaf_free_space(fs_info, leaf) < 0) {
btrfs_print_leaf(fs_info, leaf);
BUG();
}
}
@ -4982,7 +4978,7 @@ int btrfs_del_items(struct btrfs_trans_handle *trans, struct btrfs_root *root,
nritems = btrfs_header_nritems(leaf);
if (slot + nr != nritems) {
int data_end = leaf_data_end(root, leaf);
int data_end = leaf_data_end(fs_info, leaf);
memmove_extent_buffer(leaf, btrfs_leaf_data(leaf) +
data_end + dsize,
@ -5145,6 +5141,7 @@ int btrfs_search_forward(struct btrfs_root *root, struct btrfs_key *min_key,
struct btrfs_path *path,
u64 min_trans)
{
struct btrfs_fs_info *fs_info = root->fs_info;
struct extent_buffer *cur;
struct btrfs_key found_key;
int slot;
@ -5221,7 +5218,7 @@ find_next_key:
goto out;
}
btrfs_set_path_blocking(path);
cur = read_node_slot(root, cur, slot);
cur = read_node_slot(fs_info, cur, slot);
if (IS_ERR(cur)) {
ret = PTR_ERR(cur);
goto out;
@ -5244,14 +5241,14 @@ out:
return ret;
}
static int tree_move_down(struct btrfs_root *root,
static int tree_move_down(struct btrfs_fs_info *fs_info,
struct btrfs_path *path,
int *level, int root_level)
{
struct extent_buffer *eb;
BUG_ON(*level == 0);
eb = read_node_slot(root, path->nodes[*level], path->slots[*level]);
eb = read_node_slot(fs_info, path->nodes[*level], path->slots[*level]);
if (IS_ERR(eb))
return PTR_ERR(eb);
@ -5261,7 +5258,7 @@ static int tree_move_down(struct btrfs_root *root,
return 0;
}
static int tree_move_next_or_upnext(struct btrfs_root *root,
static int tree_move_next_or_upnext(struct btrfs_fs_info *fs_info,
struct btrfs_path *path,
int *level, int root_level)
{
@ -5292,7 +5289,7 @@ static int tree_move_next_or_upnext(struct btrfs_root *root,
* Returns 1 if it had to move up and next. 0 is returned if it moved only next
* or down.
*/
static int tree_advance(struct btrfs_root *root,
static int tree_advance(struct btrfs_fs_info *fs_info,
struct btrfs_path *path,
int *level, int root_level,
int allow_down,
@ -5301,9 +5298,10 @@ static int tree_advance(struct btrfs_root *root,
int ret;
if (*level == 0 || !allow_down) {
ret = tree_move_next_or_upnext(root, path, level, root_level);
ret = tree_move_next_or_upnext(fs_info, path, level,
root_level);
} else {
ret = tree_move_down(root, path, level, root_level);
ret = tree_move_down(fs_info, path, level, root_level);
}
if (ret >= 0) {
if (*level == 0)
@ -5316,8 +5314,7 @@ static int tree_advance(struct btrfs_root *root,
return ret;
}
static int tree_compare_item(struct btrfs_root *left_root,
struct btrfs_path *left_path,
static int tree_compare_item(struct btrfs_path *left_path,
struct btrfs_path *right_path,
char *tmp_buf)
{
@ -5474,7 +5471,7 @@ int btrfs_compare_trees(struct btrfs_root *left_root,
while (1) {
if (advance_left && !left_end_reached) {
ret = tree_advance(left_root, left_path, &left_level,
ret = tree_advance(fs_info, left_path, &left_level,
left_root_level,
advance_left != ADVANCE_ONLY_NEXT,
&left_key);
@ -5485,7 +5482,7 @@ int btrfs_compare_trees(struct btrfs_root *left_root,
advance_left = 0;
}
if (advance_right && !right_end_reached) {
ret = tree_advance(right_root, right_path, &right_level,
ret = tree_advance(fs_info, right_path, &right_level,
right_root_level,
advance_right != ADVANCE_ONLY_NEXT,
&right_key);
@ -5549,8 +5546,8 @@ int btrfs_compare_trees(struct btrfs_root *left_root,
enum btrfs_compare_tree_result result;
WARN_ON(!extent_buffer_uptodate(left_path->nodes[0]));
ret = tree_compare_item(left_root, left_path,
right_path, tmp_buf);
ret = tree_compare_item(left_path, right_path,
tmp_buf);
if (ret)
result = BTRFS_COMPARE_TREE_CHANGED;
else

131
fs/btrfs/ctree.h
View File

@ -1349,10 +1349,9 @@ static inline u32 BTRFS_MAX_XATTR_SIZE(const struct btrfs_fs_info *info)
#ifdef CONFIG_BTRFS_DEBUG
static inline int
btrfs_should_fragment_free_space(struct btrfs_root *root,
struct btrfs_block_group_cache *block_group)
btrfs_should_fragment_free_space(struct btrfs_block_group_cache *block_group)
{
struct btrfs_fs_info *fs_info = root->fs_info;
struct btrfs_fs_info *fs_info = block_group->fs_info;
return (btrfs_test_opt(fs_info, FRAGMENT_METADATA) &&
block_group->flags & BTRFS_BLOCK_GROUP_METADATA) ||
@ -2311,10 +2310,9 @@ static inline unsigned long btrfs_leaf_data(struct extent_buffer *l)
* this returns the address of the start of the last item,
* which is the stop of the leaf data stack
*/
static inline unsigned int leaf_data_end(struct btrfs_root *root,
static inline unsigned int leaf_data_end(struct btrfs_fs_info *fs_info,
struct extent_buffer *leaf)
{
struct btrfs_fs_info *fs_info = root->fs_info;
u32 nr = btrfs_header_nritems(leaf);
if (nr == 0)
@ -2536,7 +2534,7 @@ static inline gfp_t btrfs_alloc_write_mask(struct address_space *mapping)
/* extent-tree.c */
u64 btrfs_csum_bytes_to_leaves(struct btrfs_root *root, u64 csum_bytes);
u64 btrfs_csum_bytes_to_leaves(struct btrfs_fs_info *fs_info, u64 csum_bytes);
static inline u64 btrfs_calc_trans_metadata_size(struct btrfs_fs_info *fs_info,
unsigned num_items)
@ -2555,9 +2553,9 @@ static inline u64 btrfs_calc_trunc_metadata_size(struct btrfs_fs_info *fs_info,
}
int btrfs_should_throttle_delayed_refs(struct btrfs_trans_handle *trans,
struct btrfs_root *root);
struct btrfs_fs_info *fs_info);
int btrfs_check_space_for_delayed_refs(struct btrfs_trans_handle *trans,
struct btrfs_root *root);
struct btrfs_fs_info *fs_info);
void btrfs_dec_block_group_reservations(struct btrfs_fs_info *fs_info,
const u64 start);
void btrfs_wait_block_group_reservations(struct btrfs_block_group_cache *bg);
@ -2566,18 +2564,18 @@ void btrfs_dec_nocow_writers(struct btrfs_fs_info *fs_info, u64 bytenr);
void btrfs_wait_nocow_writers(struct btrfs_block_group_cache *bg);
void btrfs_put_block_group(struct btrfs_block_group_cache *cache);
int btrfs_run_delayed_refs(struct btrfs_trans_handle *trans,
struct btrfs_root *root, unsigned long count);
int btrfs_async_run_delayed_refs(struct btrfs_root *root,
struct btrfs_fs_info *fs_info, unsigned long count);
int btrfs_async_run_delayed_refs(struct btrfs_fs_info *fs_info,
unsigned long count, u64 transid, int wait);
int btrfs_lookup_data_extent(struct btrfs_root *root, u64 start, u64 len);
int btrfs_lookup_data_extent(struct btrfs_fs_info *fs_info, u64 start, u64 len);
int btrfs_lookup_extent_info(struct btrfs_trans_handle *trans,
struct btrfs_root *root, u64 bytenr,
struct btrfs_fs_info *fs_info, u64 bytenr,
u64 offset, int metadata, u64 *refs, u64 *flags);
int btrfs_pin_extent(struct btrfs_root *root,
int btrfs_pin_extent(struct btrfs_fs_info *fs_info,
u64 bytenr, u64 num, int reserved);
int btrfs_pin_extent_for_log_replay(struct btrfs_root *root,
int btrfs_pin_extent_for_log_replay(struct btrfs_fs_info *fs_info,
u64 bytenr, u64 num_bytes);
int btrfs_exclude_logged_extents(struct btrfs_root *root,
int btrfs_exclude_logged_extents(struct btrfs_fs_info *fs_info,
struct extent_buffer *eb);
int btrfs_cross_ref_exist(struct btrfs_trans_handle *trans,
struct btrfs_root *root,
@ -2598,12 +2596,11 @@ void btrfs_free_tree_block(struct btrfs_trans_handle *trans,
struct extent_buffer *buf,
u64 parent, int last_ref);
int btrfs_alloc_reserved_file_extent(struct btrfs_trans_handle *trans,
struct btrfs_root *root,
u64 root_objectid, u64 owner,
u64 offset, u64 ram_bytes,
struct btrfs_key *ins);
int btrfs_alloc_logged_file_extent(struct btrfs_trans_handle *trans,
struct btrfs_root *root,
struct btrfs_fs_info *fs_info,
u64 root_objectid, u64 owner, u64 offset,
struct btrfs_key *ins);
int btrfs_reserve_extent(struct btrfs_root *root, u64 ram_bytes, u64 num_bytes,
@ -2614,39 +2611,39 @@ int btrfs_inc_ref(struct btrfs_trans_handle *trans, struct btrfs_root *root,
int btrfs_dec_ref(struct btrfs_trans_handle *trans, struct btrfs_root *root,
struct extent_buffer *buf, int full_backref);
int btrfs_set_disk_extent_flags(struct btrfs_trans_handle *trans,
struct btrfs_root *root,
struct btrfs_fs_info *fs_info,
u64 bytenr, u64 num_bytes, u64 flags,
int level, int is_data);
int btrfs_free_extent(struct btrfs_trans_handle *trans,
struct btrfs_root *root,
struct btrfs_fs_info *fs_info,
u64 bytenr, u64 num_bytes, u64 parent, u64 root_objectid,
u64 owner, u64 offset);
int btrfs_free_reserved_extent(struct btrfs_root *root, u64 start, u64 len,
int delalloc);
int btrfs_free_and_pin_reserved_extent(struct btrfs_root *root,
int btrfs_free_reserved_extent(struct btrfs_fs_info *fs_info,
u64 start, u64 len, int delalloc);
int btrfs_free_and_pin_reserved_extent(struct btrfs_fs_info *fs_info,
u64 start, u64 len);
void btrfs_prepare_extent_commit(struct btrfs_trans_handle *trans,
struct btrfs_root *root);
struct btrfs_fs_info *fs_info);
int btrfs_finish_extent_commit(struct btrfs_trans_handle *trans,
struct btrfs_root *root);
struct btrfs_fs_info *fs_info);
int btrfs_inc_extent_ref(struct btrfs_trans_handle *trans,
struct btrfs_root *root,
struct btrfs_fs_info *fs_info,
u64 bytenr, u64 num_bytes, u64 parent,
u64 root_objectid, u64 owner, u64 offset);
int btrfs_start_dirty_block_groups(struct btrfs_trans_handle *trans,
struct btrfs_root *root);
struct btrfs_fs_info *fs_info);
int btrfs_write_dirty_block_groups(struct btrfs_trans_handle *trans,
struct btrfs_root *root);
struct btrfs_fs_info *fs_info);
int btrfs_setup_space_cache(struct btrfs_trans_handle *trans,
struct btrfs_root *root);
int btrfs_extent_readonly(struct btrfs_root *root, u64 bytenr);
struct btrfs_fs_info *fs_info);
int btrfs_extent_readonly(struct btrfs_fs_info *fs_info, u64 bytenr);
int btrfs_free_block_groups(struct btrfs_fs_info *info);
int btrfs_read_block_groups(struct btrfs_fs_info *info);
int btrfs_can_relocate(struct btrfs_fs_info *fs_info, u64 bytenr);
int btrfs_make_block_group(struct btrfs_trans_handle *trans,
struct btrfs_root *root, u64 bytes_used,
struct btrfs_fs_info *fs_info, u64 bytes_used,
u64 type, u64 chunk_objectid, u64 chunk_offset,
u64 size);
struct btrfs_trans_handle *btrfs_start_trans_remove_block_group(
@ -2659,7 +2656,7 @@ void btrfs_delete_unused_bgs(struct btrfs_fs_info *fs_info);
void btrfs_get_block_group_trimming(struct btrfs_block_group_cache *cache);
void btrfs_put_block_group_trimming(struct btrfs_block_group_cache *cache);
void btrfs_create_pending_block_groups(struct btrfs_trans_handle *trans,
struct btrfs_root *root);
struct btrfs_fs_info *fs_info);
u64 btrfs_get_alloc_profile(struct btrfs_root *root, int data);
void btrfs_clear_space_info_full(struct btrfs_fs_info *info);
@ -2689,7 +2686,7 @@ void btrfs_free_reserved_data_space(struct inode *inode, u64 start, u64 len);
void btrfs_free_reserved_data_space_noquota(struct inode *inode, u64 start,
u64 len);
void btrfs_trans_release_metadata(struct btrfs_trans_handle *trans,
struct btrfs_root *root);
struct btrfs_fs_info *fs_info);
void btrfs_trans_release_chunk_metadata(struct btrfs_trans_handle *trans);
int btrfs_orphan_reserve_metadata(struct btrfs_trans_handle *trans,
struct inode *inode);
@ -2698,7 +2695,7 @@ int btrfs_subvolume_reserve_metadata(struct btrfs_root *root,
struct btrfs_block_rsv *rsv,
int nitems,
u64 *qgroup_reserved, bool use_global_rsv);
void btrfs_subvolume_release_metadata(struct btrfs_root *root,
void btrfs_subvolume_release_metadata(struct btrfs_fs_info *fs_info,
struct btrfs_block_rsv *rsv,
u64 qgroup_reserved);
int btrfs_delalloc_reserve_metadata(struct inode *inode, u64 num_bytes);
@ -2706,16 +2703,15 @@ void btrfs_delalloc_release_metadata(struct inode *inode, u64 num_bytes);
int btrfs_delalloc_reserve_space(struct inode *inode, u64 start, u64 len);
void btrfs_delalloc_release_space(struct inode *inode, u64 start, u64 len);
void btrfs_init_block_rsv(struct btrfs_block_rsv *rsv, unsigned short type);
struct btrfs_block_rsv *btrfs_alloc_block_rsv(struct btrfs_root *root,
struct btrfs_block_rsv *btrfs_alloc_block_rsv(struct btrfs_fs_info *fs_info,
unsigned short type);
void btrfs_free_block_rsv(struct btrfs_root *root,
void btrfs_free_block_rsv(struct btrfs_fs_info *fs_info,
struct btrfs_block_rsv *rsv);
void __btrfs_free_block_rsv(struct btrfs_block_rsv *rsv);
int btrfs_block_rsv_add(struct btrfs_root *root,
struct btrfs_block_rsv *block_rsv, u64 num_bytes,
enum btrfs_reserve_flush_enum flush);
int btrfs_block_rsv_check(struct btrfs_root *root,
struct btrfs_block_rsv *block_rsv, int min_factor);
int btrfs_block_rsv_check(struct btrfs_block_rsv *block_rsv, int min_factor);
int btrfs_block_rsv_refill(struct btrfs_root *root,
struct btrfs_block_rsv *block_rsv, u64 min_reserved,
enum btrfs_reserve_flush_enum flush);
@ -2725,22 +2721,21 @@ int btrfs_block_rsv_migrate(struct btrfs_block_rsv *src_rsv,
int btrfs_cond_migrate_bytes(struct btrfs_fs_info *fs_info,
struct btrfs_block_rsv *dest, u64 num_bytes,
int min_factor);
void btrfs_block_rsv_release(struct btrfs_root *root,
void btrfs_block_rsv_release(struct btrfs_fs_info *fs_info,
struct btrfs_block_rsv *block_rsv,
u64 num_bytes);
int btrfs_inc_block_group_ro(struct btrfs_root *root,
struct btrfs_block_group_cache *cache);
void btrfs_dec_block_group_ro(struct btrfs_root *root,
struct btrfs_block_group_cache *cache);
void btrfs_dec_block_group_ro(struct btrfs_block_group_cache *cache);
void btrfs_put_block_group_cache(struct btrfs_fs_info *info);
u64 btrfs_account_ro_block_groups_free_space(struct btrfs_space_info *sinfo);
int btrfs_error_unpin_extent_range(struct btrfs_root *root,
int btrfs_error_unpin_extent_range(struct btrfs_fs_info *fs_info,
u64 start, u64 end);
int btrfs_discard_extent(struct btrfs_root *root, u64 bytenr,
int btrfs_discard_extent(struct btrfs_fs_info *fs_info, u64 bytenr,
u64 num_bytes, u64 *actual_bytes);
int btrfs_force_chunk_alloc(struct btrfs_trans_handle *trans,
struct btrfs_root *root, u64 type);
int btrfs_trim_fs(struct btrfs_root *root, struct fstrim_range *range);
struct btrfs_fs_info *fs_info, u64 type);
int btrfs_trim_fs(struct btrfs_fs_info *fs_info, struct fstrim_range *range);
int btrfs_init_space_info(struct btrfs_fs_info *fs_info);
int btrfs_delayed_refs_qgroup_accounting(struct btrfs_trans_handle *trans,
@ -2750,8 +2745,7 @@ int btrfs_start_write_no_snapshoting(struct btrfs_root *root);
void btrfs_end_write_no_snapshoting(struct btrfs_root *root);
void btrfs_wait_for_snapshot_creation(struct btrfs_root *root);
void check_system_chunk(struct btrfs_trans_handle *trans,
struct btrfs_root *root,
const u64 type);
struct btrfs_fs_info *fs_info, const u64 type);
u64 add_new_free_space(struct btrfs_block_group_cache *block_group,
struct btrfs_fs_info *info, u64 start, u64 end);
@ -2801,10 +2795,10 @@ int btrfs_copy_root(struct btrfs_trans_handle *trans,
struct extent_buffer **cow_ret, u64 new_root_objectid);
int btrfs_block_can_be_shared(struct btrfs_root *root,
struct extent_buffer *buf);
void btrfs_extend_item(struct btrfs_root *root, struct btrfs_path *path,
void btrfs_extend_item(struct btrfs_fs_info *fs_info, struct btrfs_path *path,
u32 data_size);
void btrfs_truncate_item(struct btrfs_root *root, struct btrfs_path *path,
u32 new_size, int from_end);
void btrfs_truncate_item(struct btrfs_fs_info *fs_info,
struct btrfs_path *path, u32 new_size, int from_end);
int btrfs_split_item(struct btrfs_trans_handle *trans,
struct btrfs_root *root,
struct btrfs_path *path,
@ -2880,7 +2874,8 @@ static inline int btrfs_next_item(struct btrfs_root *root, struct btrfs_path *p)
{
return btrfs_next_old_item(root, p, 0);
}
int btrfs_leaf_free_space(struct btrfs_root *root, struct extent_buffer *leaf);
int btrfs_leaf_free_space(struct btrfs_fs_info *fs_info,
struct extent_buffer *leaf);
int __must_check btrfs_drop_snapshot(struct btrfs_root *root,
struct btrfs_block_rsv *block_rsv,
int update_ref, int for_reloc);
@ -2906,11 +2901,9 @@ static inline int btrfs_fs_closing(struct btrfs_fs_info *fs_info)
* anything except sleeping. This function is used to check the status of
* the fs.
*/
static inline int btrfs_need_cleaner_sleep(struct btrfs_root *root)
static inline int btrfs_need_cleaner_sleep(struct btrfs_fs_info *fs_info)
{
struct btrfs_fs_info *fs_info = root->fs_info;
return (fs_info->sb->s_flags & MS_RDONLY || btrfs_fs_closing(fs_info));
return fs_info->sb->s_flags & MS_RDONLY || btrfs_fs_closing(fs_info);
}
static inline void free_fs_info(struct btrfs_fs_info *fs_info)
@ -3013,10 +3006,10 @@ struct btrfs_dir_item *btrfs_lookup_xattr(struct btrfs_trans_handle *trans,
struct btrfs_path *path, u64 dir,
const char *name, u16 name_len,
int mod);
int verify_dir_item(struct btrfs_root *root,
int verify_dir_item(struct btrfs_fs_info *fs_info,
struct extent_buffer *leaf,
struct btrfs_dir_item *dir_item);
struct btrfs_dir_item *btrfs_match_dir_item_name(struct btrfs_root *root,
struct btrfs_dir_item *btrfs_match_dir_item_name(struct btrfs_fs_info *fs_info,
struct btrfs_path *path,
const char *name,
int name_len);
@ -3061,10 +3054,9 @@ int btrfs_find_name_in_ext_backref(struct btrfs_path *path,
struct btrfs_dio_private;
int btrfs_del_csums(struct btrfs_trans_handle *trans,
struct btrfs_fs_info *fs_info, u64 bytenr, u64 len);
int btrfs_lookup_bio_sums(struct btrfs_root *root, struct inode *inode,
struct bio *bio, u32 *dst);
int btrfs_lookup_bio_sums_dio(struct btrfs_root *root, struct inode *inode,
struct bio *bio, u64 logical_offset);
int btrfs_lookup_bio_sums(struct inode *inode, struct bio *bio, u32 *dst);
int btrfs_lookup_bio_sums_dio(struct inode *inode, struct bio *bio,
u64 logical_offset);
int btrfs_insert_file_extent(struct btrfs_trans_handle *trans,
struct btrfs_root *root,
u64 objectid, u64 pos,
@ -3078,8 +3070,8 @@ int btrfs_lookup_file_extent(struct btrfs_trans_handle *trans,
int btrfs_csum_file_blocks(struct btrfs_trans_handle *trans,
struct btrfs_root *root,
struct btrfs_ordered_sum *sums);
int btrfs_csum_one_bio(struct btrfs_root *root, struct inode *inode,
struct bio *bio, u64 file_start, int contig);
int btrfs_csum_one_bio(struct inode *inode, struct bio *bio,
u64 file_start, int contig);
int btrfs_lookup_csums_range(struct btrfs_root *root, u64 start, u64 end,
struct list_head *list, int search_commit);
void btrfs_extent_item_to_extent_map(struct inode *inode,
@ -3182,7 +3174,7 @@ void btrfs_orphan_commit_root(struct btrfs_trans_handle *trans,
int btrfs_cont_expand(struct inode *inode, loff_t oldsize, loff_t size);
void btrfs_invalidate_inodes(struct btrfs_root *root);
void btrfs_add_delayed_iput(struct inode *inode);
void btrfs_run_delayed_iputs(struct btrfs_root *root);
void btrfs_run_delayed_iputs(struct btrfs_fs_info *fs_info);
int btrfs_prealloc_file_range(struct inode *inode, int mode,
u64 start, u64 num_bytes, u64 min_size,
loff_t actual_len, u64 *alloc_hint);
@ -3236,9 +3228,8 @@ int btrfs_drop_extents(struct btrfs_trans_handle *trans,
int btrfs_mark_extent_written(struct btrfs_trans_handle *trans,
struct inode *inode, u64 start, u64 end);
int btrfs_release_file(struct inode *inode, struct file *file);
int btrfs_dirty_pages(struct btrfs_root *root, struct inode *inode,
struct page **pages, size_t num_pages,
loff_t pos, size_t write_bytes,
int btrfs_dirty_pages(struct inode *inode, struct page **pages,
size_t num_pages, loff_t pos, size_t write_bytes,
struct extent_state **cached);
int btrfs_fdatawrite_range(struct inode *inode, loff_t start, loff_t end);
ssize_t btrfs_copy_file_range(struct file *file_in, loff_t pos_in,
@ -3261,7 +3252,7 @@ void btrfs_sysfs_remove_mounted(struct btrfs_fs_info *fs_info);
ssize_t btrfs_listxattr(struct dentry *dentry, char *buffer, size_t size);
/* super.c */
int btrfs_parse_options(struct btrfs_root *root, char *options,
int btrfs_parse_options(struct btrfs_fs_info *info, char *options,
unsigned long new_flags);
int btrfs_sync_fs(struct super_block *sb, int wait);
@ -3637,12 +3628,12 @@ int btrfs_reloc_post_snapshot(struct btrfs_trans_handle *trans,
int btrfs_scrub_dev(struct btrfs_fs_info *fs_info, u64 devid, u64 start,
u64 end, struct btrfs_scrub_progress *progress,
int readonly, int is_dev_replace);
void btrfs_scrub_pause(struct btrfs_root *root);
void btrfs_scrub_continue(struct btrfs_root *root);
void btrfs_scrub_pause(struct btrfs_fs_info *fs_info);
void btrfs_scrub_continue(struct btrfs_fs_info *fs_info);
int btrfs_scrub_cancel(struct btrfs_fs_info *info);
int btrfs_scrub_cancel_dev(struct btrfs_fs_info *info,
struct btrfs_device *dev);
int btrfs_scrub_progress(struct btrfs_root *root, u64 devid,
int btrfs_scrub_progress(struct btrfs_fs_info *fs_info, u64 devid,
struct btrfs_scrub_progress *progress);
/* dev-replace.c */

84
fs/btrfs/delayed-inode.c
View File

@ -529,10 +529,9 @@ static struct btrfs_delayed_item *__btrfs_next_delayed_item(
}
static int btrfs_delayed_item_reserve_metadata(struct btrfs_trans_handle *trans,
struct btrfs_root *root,
struct btrfs_fs_info *fs_info,
struct btrfs_delayed_item *item)
{
struct btrfs_fs_info *fs_info = root->fs_info;
struct btrfs_block_rsv *src_rsv;
struct btrfs_block_rsv *dst_rsv;
u64 num_bytes;
@ -556,10 +555,9 @@ static int btrfs_delayed_item_reserve_metadata(struct btrfs_trans_handle *trans,
return ret;
}
static void btrfs_delayed_item_release_metadata(struct btrfs_root *root,
static void btrfs_delayed_item_release_metadata(struct btrfs_fs_info *fs_info,
struct btrfs_delayed_item *item)
{
struct btrfs_fs_info *fs_info = root->fs_info;
struct btrfs_block_rsv *rsv;
if (!item->bytes_reserved)
@ -569,7 +567,7 @@ static void btrfs_delayed_item_release_metadata(struct btrfs_root *root,
trace_btrfs_space_reservation(fs_info, "delayed_item",
item->key.objectid, item->bytes_reserved,
0);
btrfs_block_rsv_release(root, rsv,
btrfs_block_rsv_release(fs_info, rsv,
item->bytes_reserved);
}
@ -669,16 +667,15 @@ static int btrfs_delayed_inode_reserve_metadata(
if (release) {
trace_btrfs_space_reservation(fs_info, "delalloc",
btrfs_ino(inode), num_bytes, 0);
btrfs_block_rsv_release(root, src_rsv, num_bytes);
btrfs_block_rsv_release(fs_info, src_rsv, num_bytes);
}
return ret;
}
static void btrfs_delayed_inode_release_metadata(struct btrfs_root *root,
static void btrfs_delayed_inode_release_metadata(struct btrfs_fs_info *fs_info,
struct btrfs_delayed_node *node)
{
struct btrfs_fs_info *fs_info = root->fs_info;
struct btrfs_block_rsv *rsv;
if (!node->bytes_reserved)
@ -687,7 +684,7 @@ static void btrfs_delayed_inode_release_metadata(struct btrfs_root *root,
rsv = &fs_info->delayed_block_rsv;
trace_btrfs_space_reservation(fs_info, "delayed_inode",
node->inode_id, node->bytes_reserved, 0);
btrfs_block_rsv_release(root, rsv,
btrfs_block_rsv_release(fs_info, rsv,
node->bytes_reserved);
node->bytes_reserved = 0;
}
@ -700,6 +697,7 @@ static int btrfs_batch_insert_items(struct btrfs_root *root,
struct btrfs_path *path,
struct btrfs_delayed_item *item)
{
struct btrfs_fs_info *fs_info = root->fs_info;
struct btrfs_delayed_item *curr, *next;
int free_space;
int total_data_size = 0, total_size = 0;
@ -716,7 +714,7 @@ static int btrfs_batch_insert_items(struct btrfs_root *root,
BUG_ON(!path->nodes[0]);
leaf = path->nodes[0];
free_space = btrfs_leaf_free_space(root, leaf);
free_space = btrfs_leaf_free_space(fs_info, leaf);
INIT_LIST_HEAD(&head);
next = item;
@ -789,7 +787,7 @@ static int btrfs_batch_insert_items(struct btrfs_root *root,
curr->data_len);
slot++;
btrfs_delayed_item_release_metadata(root, curr);
btrfs_delayed_item_release_metadata(fs_info, curr);
list_del(&curr->tree_list);
btrfs_release_delayed_item(curr);
@ -811,6 +809,7 @@ static int btrfs_insert_delayed_item(struct btrfs_trans_handle *trans,
struct btrfs_path *path,
struct btrfs_delayed_item *delayed_item)
{
struct btrfs_fs_info *fs_info = root->fs_info;
struct extent_buffer *leaf;
char *ptr;
int ret;
@ -828,7 +827,7 @@ static int btrfs_insert_delayed_item(struct btrfs_trans_handle *trans,
delayed_item->data_len);
btrfs_mark_buffer_dirty(leaf);
btrfs_delayed_item_release_metadata(root, delayed_item);
btrfs_delayed_item_release_metadata(fs_info, delayed_item);
return 0;
}
@ -880,6 +879,7 @@ static int btrfs_batch_delete_items(struct btrfs_trans_handle *trans,
struct btrfs_path *path,
struct btrfs_delayed_item *item)
{
struct btrfs_fs_info *fs_info = root->fs_info;
struct btrfs_delayed_item *curr, *next;
struct extent_buffer *leaf;
struct btrfs_key key;
@ -929,7 +929,7 @@ static int btrfs_batch_delete_items(struct btrfs_trans_handle *trans,
goto out;
list_for_each_entry_safe(curr, next, &head, tree_list) {
btrfs_delayed_item_release_metadata(root, curr);
btrfs_delayed_item_release_metadata(fs_info, curr);
list_del(&curr->tree_list);
btrfs_release_delayed_item(curr);
}
@ -1015,6 +1015,7 @@ static int __btrfs_update_delayed_inode(struct btrfs_trans_handle *trans,
struct btrfs_path *path,
struct btrfs_delayed_node *node)
{
struct btrfs_fs_info *fs_info = root->fs_info;
struct btrfs_key key;
struct btrfs_inode_item *inode_item;
struct extent_buffer *leaf;
@ -1071,7 +1072,7 @@ out:
no_iref:
btrfs_release_path(path);
err_out:
btrfs_delayed_inode_release_metadata(root, node);
btrfs_delayed_inode_release_metadata(fs_info, node);
btrfs_release_delayed_inode(node);
return ret;
@ -1136,9 +1137,8 @@ __btrfs_commit_inode_delayed_items(struct btrfs_trans_handle *trans,
* outstanding delayed items cleaned up.
*/
static int __btrfs_run_delayed_items(struct btrfs_trans_handle *trans,
struct btrfs_root *root, int nr)
struct btrfs_fs_info *fs_info, int nr)
{
struct btrfs_fs_info *fs_info = root->fs_info;
struct btrfs_delayed_root *delayed_root;
struct btrfs_delayed_node *curr_node, *prev_node;
struct btrfs_path *path;
@ -1184,15 +1184,15 @@ static int __btrfs_run_delayed_items(struct btrfs_trans_handle *trans,
}
int btrfs_run_delayed_items(struct btrfs_trans_handle *trans,
struct btrfs_root *root)
struct btrfs_fs_info *fs_info)
{
return __btrfs_run_delayed_items(trans, root, -1);
return __btrfs_run_delayed_items(trans, fs_info, -1);
}
int btrfs_run_delayed_items_nr(struct btrfs_trans_handle *trans,
struct btrfs_root *root, int nr)
struct btrfs_fs_info *fs_info, int nr)
{
return __btrfs_run_delayed_items(trans, root, nr);
return __btrfs_run_delayed_items(trans, fs_info, nr);
}
int btrfs_commit_inode_delayed_items(struct btrfs_trans_handle *trans,
@ -1235,6 +1235,7 @@ int btrfs_commit_inode_delayed_items(struct btrfs_trans_handle *trans,
int btrfs_commit_inode_delayed_inode(struct inode *inode)
{
struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb);
struct btrfs_trans_handle *trans;
struct btrfs_delayed_node *delayed_node = btrfs_get_delayed_node(inode);
struct btrfs_path *path;
@ -1266,7 +1267,7 @@ int btrfs_commit_inode_delayed_inode(struct inode *inode)
path->leave_spinning = 1;
block_rsv = trans->block_rsv;
trans->block_rsv = &delayed_node->root->fs_info->delayed_block_rsv;
trans->block_rsv = &fs_info->delayed_block_rsv;
mutex_lock(&delayed_node->mutex);
if (test_bit(BTRFS_DELAYED_NODE_INODE_DIRTY, &delayed_node->flags))
@ -1280,7 +1281,7 @@ int btrfs_commit_inode_delayed_inode(struct inode *inode)
trans->block_rsv = block_rsv;
trans_out:
btrfs_end_transaction(trans, delayed_node->root);
btrfs_btree_balance_dirty(delayed_node->root);
btrfs_btree_balance_dirty(fs_info);
out:
btrfs_release_delayed_node(delayed_node);
@ -1345,7 +1346,7 @@ again:
trans->block_rsv = block_rsv;
btrfs_end_transaction(trans, root);
btrfs_btree_balance_dirty_nodelay(root);
btrfs_btree_balance_dirty_nodelay(root->fs_info);
release_path:
btrfs_release_path(path);
@ -1402,12 +1403,9 @@ static int could_end_wait(struct btrfs_delayed_root *delayed_root, int seq)
return 0;
}
void btrfs_balance_delayed_items(struct btrfs_root *root)
void btrfs_balance_delayed_items(struct btrfs_fs_info *fs_info)
{
struct btrfs_delayed_root *delayed_root;
struct btrfs_fs_info *fs_info = root->fs_info;
delayed_root = fs_info->delayed_root;
struct btrfs_delayed_root *delayed_root = fs_info->delayed_root;
if (atomic_read(&delayed_root->items) < BTRFS_DELAYED_BACKGROUND)
return;
@ -1432,8 +1430,9 @@ void btrfs_balance_delayed_items(struct btrfs_root *root)
/* Will return 0 or -ENOMEM */
int btrfs_insert_delayed_dir_index(struct btrfs_trans_handle *trans,
struct btrfs_root *root, const char *name,
int name_len, struct inode *dir,
struct btrfs_fs_info *fs_info,
const char *name, int name_len,
struct inode *dir,
struct btrfs_disk_key *disk_key, u8 type,
u64 index)
{
@ -1464,7 +1463,7 @@ int btrfs_insert_delayed_dir_index(struct btrfs_trans_handle *trans,
btrfs_set_stack_dir_type(dir_item, type);
memcpy((char *)(dir_item + 1), name, name_len);
ret = btrfs_delayed_item_reserve_metadata(trans, root, delayed_item);
ret = btrfs_delayed_item_reserve_metadata(trans, fs_info, delayed_item);
/*
* we have reserved enough space when we start a new transaction,
* so reserving metadata failure is impossible
@ -1475,7 +1474,7 @@ int btrfs_insert_delayed_dir_index(struct btrfs_trans_handle *trans,
mutex_lock(&delayed_node->mutex);
ret = __btrfs_add_delayed_insertion_item(delayed_node, delayed_item);
if (unlikely(ret)) {
btrfs_err(root->fs_info,
btrfs_err(fs_info,
"err add delayed dir index item(name: %.*s) into the insertion tree of the delayed node(root id: %llu, inode id: %llu, errno: %d)",
name_len, name, delayed_node->root->objectid,
delayed_node->inode_id, ret);
@ -1488,7 +1487,7 @@ release_node:
return ret;
}
static int btrfs_delete_delayed_insertion_item(struct btrfs_root *root,
static int btrfs_delete_delayed_insertion_item(struct btrfs_fs_info *fs_info,
struct btrfs_delayed_node *node,
struct btrfs_key *key)
{
@ -1501,15 +1500,15 @@ static int btrfs_delete_delayed_insertion_item(struct btrfs_root *root,
return 1;
}
btrfs_delayed_item_release_metadata(root, item);
btrfs_delayed_item_release_metadata(fs_info, item);
btrfs_release_delayed_item(item);
mutex_unlock(&node->mutex);
return 0;
}
int btrfs_delete_delayed_dir_index(struct btrfs_trans_handle *trans,
struct btrfs_root *root, struct inode *dir,
u64 index)
struct btrfs_fs_info *fs_info,
struct inode *dir, u64 index)
{
struct btrfs_delayed_node *node;
struct btrfs_delayed_item *item;
@ -1524,7 +1523,7 @@ int btrfs_delete_delayed_dir_index(struct btrfs_trans_handle *trans,
item_key.type = BTRFS_DIR_INDEX_KEY;
item_key.offset = index;
ret = btrfs_delete_delayed_insertion_item(root, node, &item_key);
ret = btrfs_delete_delayed_insertion_item(fs_info, node, &item_key);
if (!ret)
goto end;
@ -1536,7 +1535,7 @@ int btrfs_delete_delayed_dir_index(struct btrfs_trans_handle *trans,
item->key = item_key;
ret = btrfs_delayed_item_reserve_metadata(trans, root, item);
ret = btrfs_delayed_item_reserve_metadata(trans, fs_info, item);
/*
* we have reserved enough space when we start a new transaction,
* so reserving metadata failure is impossible.
@ -1546,7 +1545,7 @@ int btrfs_delete_delayed_dir_index(struct btrfs_trans_handle *trans,
mutex_lock(&node->mutex);
ret = __btrfs_add_delayed_deletion_item(node, item);
if (unlikely(ret)) {
btrfs_err(root->fs_info,
btrfs_err(fs_info,
"err add delayed dir index item(index: %llu) into the deletion tree of the delayed node(root id: %llu, inode id: %llu, errno: %d)",
index, node->root->objectid, node->inode_id, ret);
BUG();
@ -1902,12 +1901,13 @@ release_node:
static void __btrfs_kill_delayed_node(struct btrfs_delayed_node *delayed_node)
{
struct btrfs_root *root = delayed_node->root;
struct btrfs_fs_info *fs_info = root->fs_info;
struct btrfs_delayed_item *curr_item, *prev_item;
mutex_lock(&delayed_node->mutex);
curr_item = __btrfs_first_delayed_insertion_item(delayed_node);
while (curr_item) {
btrfs_delayed_item_release_metadata(root, curr_item);
btrfs_delayed_item_release_metadata(fs_info, curr_item);
prev_item = curr_item;
curr_item = __btrfs_next_delayed_item(prev_item);
btrfs_release_delayed_item(prev_item);
@ -1915,7 +1915,7 @@ static void __btrfs_kill_delayed_node(struct btrfs_delayed_node *delayed_node)
curr_item = __btrfs_first_delayed_deletion_item(delayed_node);
while (curr_item) {
btrfs_delayed_item_release_metadata(root, curr_item);
btrfs_delayed_item_release_metadata(fs_info, curr_item);
prev_item = curr_item;
curr_item = __btrfs_next_delayed_item(prev_item);
btrfs_release_delayed_item(prev_item);
@ -1925,7 +1925,7 @@ static void __btrfs_kill_delayed_node(struct btrfs_delayed_node *delayed_node)
btrfs_release_delayed_iref(delayed_node);
if (test_bit(BTRFS_DELAYED_NODE_INODE_DIRTY, &delayed_node->flags)) {
btrfs_delayed_inode_release_metadata(root, delayed_node);
btrfs_delayed_inode_release_metadata(fs_info, delayed_node);
btrfs_release_delayed_inode(delayed_node);
}
mutex_unlock(&delayed_node->mutex);

15
fs/btrfs/delayed-inode.h
View File

@ -99,23 +99,24 @@ static inline void btrfs_init_delayed_root(
}
int btrfs_insert_delayed_dir_index(struct btrfs_trans_handle *trans,
struct btrfs_root *root, const char *name,
int name_len, struct inode *dir,
struct btrfs_fs_info *fs_info,
const char *name, int name_len,
struct inode *dir,
struct btrfs_disk_key *disk_key, u8 type,
u64 index);
int btrfs_delete_delayed_dir_index(struct btrfs_trans_handle *trans,
struct btrfs_root *root, struct inode *dir,
u64 index);
struct btrfs_fs_info *fs_info,
struct inode *dir, u64 index);
int btrfs_inode_delayed_dir_index_count(struct inode *inode);
int btrfs_run_delayed_items(struct btrfs_trans_handle *trans,
struct btrfs_root *root);
struct btrfs_fs_info *fs_info);
int btrfs_run_delayed_items_nr(struct btrfs_trans_handle *trans,
struct btrfs_root *root, int nr);
struct btrfs_fs_info *fs_info, int nr);
void btrfs_balance_delayed_items(struct btrfs_root *root);
void btrfs_balance_delayed_items(struct btrfs_fs_info *fs_info);
int btrfs_commit_inode_delayed_items(struct btrfs_trans_handle *trans,
struct inode *inode);

12
fs/btrfs/dev-replace.c
View File

@ -304,11 +304,11 @@ void btrfs_after_dev_replace_commit(struct btrfs_fs_info *fs_info)
dev_replace->cursor_left_last_write_of_item;
}
int btrfs_dev_replace_start(struct btrfs_root *root, char *tgtdev_name,
int btrfs_dev_replace_start(struct btrfs_fs_info *fs_info, char *tgtdev_name,
u64 srcdevid, char *srcdev_name, int read_src)
{
struct btrfs_root *root = fs_info->dev_root;
struct btrfs_trans_handle *trans;
struct btrfs_fs_info *fs_info = root->fs_info;
struct btrfs_dev_replace *dev_replace = &fs_info->dev_replace;
int ret;
struct btrfs_device *tgt_device = NULL;
@ -316,14 +316,14 @@ int btrfs_dev_replace_start(struct btrfs_root *root, char *tgtdev_name,
/* the disk copy procedure reuses the scrub code */
mutex_lock(&fs_info->volume_mutex);
ret = btrfs_find_device_by_devspec(root, srcdevid,
ret = btrfs_find_device_by_devspec(fs_info, srcdevid,
srcdev_name, &src_device);
if (ret) {
mutex_unlock(&fs_info->volume_mutex);
return ret;
}
ret = btrfs_init_dev_replace_tgtdev(root, tgtdev_name,
ret = btrfs_init_dev_replace_tgtdev(fs_info, tgtdev_name,
src_device, &tgt_device);
mutex_unlock(&fs_info->volume_mutex);
if (ret)
@ -422,7 +422,7 @@ leave:
return ret;
}
int btrfs_dev_replace_by_ioctl(struct btrfs_root *root,
int btrfs_dev_replace_by_ioctl(struct btrfs_fs_info *fs_info,
struct btrfs_ioctl_dev_replace_args *args)
{
int ret;
@ -439,7 +439,7 @@ int btrfs_dev_replace_by_ioctl(struct btrfs_root *root,
args->start.tgtdev_name[0] == '\0')
return -EINVAL;
ret = btrfs_dev_replace_start(root, args->start.tgtdev_name,
ret = btrfs_dev_replace_start(fs_info, args->start.tgtdev_name,
args->start.srcdevid,
args->start.srcdev_name,
args->start.cont_reading_from_srcdev_mode);

4
fs/btrfs/dev-replace.h
View File

@ -25,9 +25,9 @@ int btrfs_init_dev_replace(struct btrfs_fs_info *fs_info);
int btrfs_run_dev_replace(struct btrfs_trans_handle *trans,
struct btrfs_fs_info *fs_info);
void btrfs_after_dev_replace_commit(struct btrfs_fs_info *fs_info);
int btrfs_dev_replace_by_ioctl(struct btrfs_root *root,
int btrfs_dev_replace_by_ioctl(struct btrfs_fs_info *fs_info,
struct btrfs_ioctl_dev_replace_args *args);
int btrfs_dev_replace_start(struct btrfs_root *root, char *tgtdev_name,
int btrfs_dev_replace_start(struct btrfs_fs_info *fs_info, char *tgtdev_name,
u64 srcdevid, char *srcdev_name, int read_src);
void btrfs_dev_replace_status(struct btrfs_fs_info *fs_info,
struct btrfs_ioctl_dev_replace_args *args);

31
fs/btrfs/dir-item.c
View File

@ -38,6 +38,7 @@ static struct btrfs_dir_item *insert_with_overflow(struct btrfs_trans_handle
const char *name,
int name_len)
{
struct btrfs_fs_info *fs_info = root->fs_info;
int ret;
char *ptr;
struct btrfs_item *item;
@ -46,10 +47,10 @@ static struct btrfs_dir_item *insert_with_overflow(struct btrfs_trans_handle
ret = btrfs_insert_empty_item(trans, root, path, cpu_key, data_size);
if (ret == -EEXIST) {
struct btrfs_dir_item *di;
di = btrfs_match_dir_item_name(root, path, name, name_len);
di = btrfs_match_dir_item_name(fs_info, path, name, name_len);
if (di)
return ERR_PTR(-EEXIST);
btrfs_extend_item(root, path, data_size);
btrfs_extend_item(fs_info, path, data_size);
} else if (ret < 0)
return ERR_PTR(ret);
WARN_ON(ret > 0);
@ -172,8 +173,9 @@ second_insert:
}
btrfs_release_path(path);
ret2 = btrfs_insert_delayed_dir_index(trans, root, name, name_len, dir,
&disk_key, type, index);
ret2 = btrfs_insert_delayed_dir_index(trans, root->fs_info, name,
name_len, dir, &disk_key, type,
index);
out_free:
btrfs_free_path(path);
if (ret)
@ -210,7 +212,7 @@ struct btrfs_dir_item *btrfs_lookup_dir_item(struct btrfs_trans_handle *trans,
if (ret > 0)
return NULL;
return btrfs_match_dir_item_name(root, path, name, name_len);
return btrfs_match_dir_item_name(root->fs_info, path, name, name_len);
}
int btrfs_check_dir_item_collision(struct btrfs_root *root, u64 dir,
@ -246,7 +248,7 @@ int btrfs_check_dir_item_collision(struct btrfs_root *root, u64 dir,
}
/* we found an item, look for our name in the item */
di = btrfs_match_dir_item_name(root, path, name, name_len);
di = btrfs_match_dir_item_name(root->fs_info, path, name, name_len);
if (di) {
/* our exact name was found */
ret = -EEXIST;
@ -301,7 +303,7 @@ btrfs_lookup_dir_index_item(struct btrfs_trans_handle *trans,
return ERR_PTR(ret);
if (ret > 0)
return ERR_PTR(-ENOENT);
return btrfs_match_dir_item_name(root, path, name, name_len);
return btrfs_match_dir_item_name(root->fs_info, path, name, name_len);
}
struct btrfs_dir_item *
@ -342,7 +344,8 @@ btrfs_search_dir_index_item(struct btrfs_root *root,
if (key.objectid != dirid || key.type != BTRFS_DIR_INDEX_KEY)
break;
di = btrfs_match_dir_item_name(root, path, name, name_len);
di = btrfs_match_dir_item_name(root->fs_info, path,
name, name_len);
if (di)
return di;
@ -371,7 +374,7 @@ struct btrfs_dir_item *btrfs_lookup_xattr(struct btrfs_trans_handle *trans,
if (ret > 0)
return NULL;
return btrfs_match_dir_item_name(root, path, name, name_len);
return btrfs_match_dir_item_name(root->fs_info, path, name, name_len);
}
/*
@ -379,7 +382,7 @@ struct btrfs_dir_item *btrfs_lookup_xattr(struct btrfs_trans_handle *trans,
* this walks through all the entries in a dir item and finds one
* for a specific name.
*/
struct btrfs_dir_item *btrfs_match_dir_item_name(struct btrfs_root *root,
struct btrfs_dir_item *btrfs_match_dir_item_name(struct btrfs_fs_info *fs_info,
struct btrfs_path *path,
const char *name, int name_len)
{
@ -392,7 +395,7 @@ struct btrfs_dir_item *btrfs_match_dir_item_name(struct btrfs_root *root,
leaf = path->nodes[0];
dir_item = btrfs_item_ptr(leaf, path->slots[0], struct btrfs_dir_item);
if (verify_dir_item(root, leaf, dir_item))
if (verify_dir_item(fs_info, leaf, dir_item))
return NULL;
total_len = btrfs_item_size_nr(leaf, path->slots[0]);
@ -442,16 +445,16 @@ int btrfs_delete_one_dir_name(struct btrfs_trans_handle *trans,
start = btrfs_item_ptr_offset(leaf, path->slots[0]);
memmove_extent_buffer(leaf, ptr, ptr + sub_item_len,
item_len - (ptr + sub_item_len - start));
btrfs_truncate_item(root, path, item_len - sub_item_len, 1);
btrfs_truncate_item(root->fs_info, path,
item_len - sub_item_len, 1);
}
return ret;
}
int verify_dir_item(struct btrfs_root *root,
int verify_dir_item(struct btrfs_fs_info *fs_info,
struct extent_buffer *leaf,
struct btrfs_dir_item *dir_item)
{
struct btrfs_fs_info *fs_info = root->fs_info;
u16 namelen = BTRFS_NAME_LEN;
u8 type = btrfs_dir_type(leaf, dir_item);

186
fs/btrfs/disk-io.c
View File

@ -68,15 +68,15 @@ static int btrfs_check_super_valid(struct btrfs_fs_info *fs_info,
int read_only);
static void btrfs_destroy_ordered_extents(struct btrfs_root *root);
static int btrfs_destroy_delayed_refs(struct btrfs_transaction *trans,
struct btrfs_root *root);
struct btrfs_fs_info *fs_info);
static void btrfs_destroy_delalloc_inodes(struct btrfs_root *root);
static int btrfs_destroy_marked_extents(struct btrfs_root *root,
static int btrfs_destroy_marked_extents(struct btrfs_fs_info *fs_info,
struct extent_io_tree *dirty_pages,
int mark);
static int btrfs_destroy_pinned_extent(struct btrfs_root *root,
static int btrfs_destroy_pinned_extent(struct btrfs_fs_info *fs_info,
struct extent_io_tree *pinned_extents);
static int btrfs_cleanup_transaction(struct btrfs_root *root);
static void btrfs_error_commit_super(struct btrfs_root *root);
static int btrfs_cleanup_transaction(struct btrfs_fs_info *fs_info);
static void btrfs_error_commit_super(struct btrfs_fs_info *fs_info);
/*
* btrfs_end_io_wq structs are used to do processing in task context when an IO
@ -440,11 +440,10 @@ static int btrfs_check_super_csum(struct btrfs_fs_info *fs_info,
* helper to read a given tree block, doing retries as required when
* the checksums don't match and we have alternate mirrors to try.
*/
static int btree_read_extent_buffer_pages(struct btrfs_root *root,
static int btree_read_extent_buffer_pages(struct btrfs_fs_info *fs_info,
struct extent_buffer *eb,
u64 parent_transid)
{
struct btrfs_fs_info *fs_info = root->fs_info;
struct extent_io_tree *io_tree;
int failed = 0;
int ret;
@ -492,7 +491,7 @@ static int btree_read_extent_buffer_pages(struct btrfs_root *root,
}
if (failed && !ret && failed_mirror)
repair_eb_io_failure(root, eb, failed_mirror);
repair_eb_io_failure(fs_info, eb, failed_mirror);
return ret;
}
@ -983,7 +982,7 @@ static int __btree_submit_bio_done(struct inode *inode, struct bio *bio,
* when we're called for a write, we're already in the async
* submission context. Just jump into btrfs_map_bio
*/
ret = btrfs_map_bio(BTRFS_I(inode)->root, bio, mirror_num, 1);
ret = btrfs_map_bio(btrfs_sb(inode->i_sb), bio, mirror_num, 1);
if (ret) {
bio->bi_error = ret;
bio_endio(bio);
@ -1019,12 +1018,12 @@ static int btree_submit_bio_hook(struct inode *inode, struct bio *bio,
BTRFS_WQ_ENDIO_METADATA);
if (ret)
goto out_w_error;
ret = btrfs_map_bio(BTRFS_I(inode)->root, bio, mirror_num, 0);
ret = btrfs_map_bio(fs_info, bio, mirror_num, 0);
} else if (!async) {
ret = btree_csum_one_bio(bio);
if (ret)
goto out_w_error;
ret = btrfs_map_bio(BTRFS_I(inode)->root, bio, mirror_num, 0);
ret = btrfs_map_bio(fs_info, bio, mirror_num, 0);
} else {
/*
* kthread helpers are used to submit writes so that
@ -1148,12 +1147,12 @@ static const struct address_space_operations btree_aops = {
.set_page_dirty = btree_set_page_dirty,
};
void readahead_tree_block(struct btrfs_root *root, u64 bytenr)
void readahead_tree_block(struct btrfs_fs_info *fs_info, u64 bytenr)
{
struct extent_buffer *buf = NULL;
struct inode *btree_inode = root->fs_info->btree_inode;
struct inode *btree_inode = fs_info->btree_inode;
buf = btrfs_find_create_tree_block(root, bytenr);
buf = btrfs_find_create_tree_block(fs_info, bytenr);
if (IS_ERR(buf))
return;
read_extent_buffer_pages(&BTRFS_I(btree_inode)->io_tree,
@ -1161,15 +1160,15 @@ void readahead_tree_block(struct btrfs_root *root, u64 bytenr)
free_extent_buffer(buf);
}
int reada_tree_block_flagged(struct btrfs_root *root, u64 bytenr,
int reada_tree_block_flagged(struct btrfs_fs_info *fs_info, u64 bytenr,
int mirror_num, struct extent_buffer **eb)
{
struct extent_buffer *buf = NULL;
struct inode *btree_inode = root->fs_info->btree_inode;
struct inode *btree_inode = fs_info->btree_inode;
struct extent_io_tree *io_tree = &BTRFS_I(btree_inode)->io_tree;
int ret;
buf = btrfs_find_create_tree_block(root, bytenr);
buf = btrfs_find_create_tree_block(fs_info, bytenr);
if (IS_ERR(buf))
return 0;
@ -1193,11 +1192,10 @@ int reada_tree_block_flagged(struct btrfs_root *root, u64 bytenr,
return 0;
}
struct extent_buffer *btrfs_find_create_tree_block(struct btrfs_root *root,
u64 bytenr)
struct extent_buffer *btrfs_find_create_tree_block(
struct btrfs_fs_info *fs_info,
u64 bytenr)
{
struct btrfs_fs_info *fs_info = root->fs_info;
if (btrfs_is_testing(fs_info))
return alloc_test_extent_buffer(fs_info, bytenr);
return alloc_extent_buffer(fs_info, bytenr);
@ -1216,17 +1214,17 @@ int btrfs_wait_tree_block_writeback(struct extent_buffer *buf)
buf->start, buf->start + buf->len - 1);
}
struct extent_buffer *read_tree_block(struct btrfs_root *root, u64 bytenr,
struct extent_buffer *read_tree_block(struct btrfs_fs_info *fs_info, u64 bytenr,
u64 parent_transid)
{
struct extent_buffer *buf = NULL;
int ret;
buf = btrfs_find_create_tree_block(root, bytenr);
buf = btrfs_find_create_tree_block(fs_info, bytenr);
if (IS_ERR(buf))
return buf;
ret = btree_read_extent_buffer_pages(root, buf, parent_transid);
ret = btree_read_extent_buffer_pages(fs_info, buf, parent_transid);
if (ret) {
free_extent_buffer(buf);
return ERR_PTR(ret);
@ -1578,7 +1576,8 @@ static struct btrfs_root *btrfs_read_tree_root(struct btrfs_root *tree_root,
}
generation = btrfs_root_generation(&root->root_item);
root->node = read_tree_block(root, btrfs_root_bytenr(&root->root_item),
root->node = read_tree_block(fs_info,
btrfs_root_bytenr(&root->root_item),
generation);
if (IS_ERR(root->node)) {
ret = PTR_ERR(root->node);
@ -1841,7 +1840,7 @@ static int cleaner_kthread(void *arg)
again = 0;
/* Make the cleaner go to sleep early. */
if (btrfs_need_cleaner_sleep(root))
if (btrfs_need_cleaner_sleep(fs_info))
goto sleep;
/*
@ -1858,13 +1857,13 @@ static int cleaner_kthread(void *arg)
* Avoid the problem that we change the status of the fs
* during the above check and trylock.
*/
if (btrfs_need_cleaner_sleep(root)) {
if (btrfs_need_cleaner_sleep(fs_info)) {
mutex_unlock(&fs_info->cleaner_mutex);
goto sleep;
}
mutex_lock(&fs_info->cleaner_delayed_iput_mutex);
btrfs_run_delayed_iputs(root);
btrfs_run_delayed_iputs(fs_info);
mutex_unlock(&fs_info->cleaner_delayed_iput_mutex);
again = btrfs_clean_one_deleted_snapshot(root);
@ -1976,7 +1975,7 @@ sleep:
if (unlikely(test_bit(BTRFS_FS_STATE_ERROR,
&fs_info->fs_state)))
btrfs_cleanup_transaction(root);
btrfs_cleanup_transaction(fs_info);
set_current_state(TASK_INTERRUPTIBLE);
if (!kthread_should_stop() &&
(!btrfs_transaction_blocked(fs_info) ||
@ -2266,8 +2265,7 @@ void btrfs_free_fs_roots(struct btrfs_fs_info *fs_info)
if (test_bit(BTRFS_FS_STATE_ERROR, &fs_info->fs_state)) {
btrfs_free_log_root_tree(NULL, fs_info);
btrfs_destroy_pinned_extent(fs_info->tree_root,
fs_info->pinned_extents);
btrfs_destroy_pinned_extent(fs_info, fs_info->pinned_extents);
}
}
@ -2295,30 +2293,29 @@ static void btrfs_init_balance(struct btrfs_fs_info *fs_info)
static void btrfs_init_btree_inode(struct btrfs_fs_info *fs_info)
{
fs_info->btree_inode->i_ino = BTRFS_BTREE_INODE_OBJECTID;
set_nlink(fs_info->btree_inode, 1);
struct inode *inode = fs_info->btree_inode;
inode->i_ino = BTRFS_BTREE_INODE_OBJECTID;
set_nlink(inode, 1);
/*
* we set the i_size on the btree inode to the max possible int.
* the real end of the address space is determined by all of
* the devices in the system
*/
fs_info->btree_inode->i_size = OFFSET_MAX;
fs_info->btree_inode->i_mapping->a_ops = &btree_aops;
inode->i_size = OFFSET_MAX;
inode->i_mapping->a_ops = &btree_aops;
RB_CLEAR_NODE(&BTRFS_I(fs_info->btree_inode)->rb_node);
extent_io_tree_init(&BTRFS_I(fs_info->btree_inode)->io_tree,
fs_info->btree_inode->i_mapping);
BTRFS_I(fs_info->btree_inode)->io_tree.track_uptodate = 0;
extent_map_tree_init(&BTRFS_I(fs_info->btree_inode)->extent_tree);
RB_CLEAR_NODE(&BTRFS_I(inode)->rb_node);
extent_io_tree_init(&BTRFS_I(inode)->io_tree, inode->i_mapping);
BTRFS_I(inode)->io_tree.track_uptodate = 0;
extent_map_tree_init(&BTRFS_I(inode)->extent_tree);
BTRFS_I(fs_info->btree_inode)->io_tree.ops = &btree_extent_io_ops;
BTRFS_I(inode)->io_tree.ops = &btree_extent_io_ops;
BTRFS_I(fs_info->btree_inode)->root = fs_info->tree_root;
memset(&BTRFS_I(fs_info->btree_inode)->location, 0,
sizeof(struct btrfs_key));
set_bit(BTRFS_INODE_DUMMY,
&BTRFS_I(fs_info->btree_inode)->runtime_flags);
btrfs_insert_inode_hash(fs_info->btree_inode);
BTRFS_I(inode)->root = fs_info->tree_root;
memset(&BTRFS_I(inode)->location, 0, sizeof(struct btrfs_key));
set_bit(BTRFS_INODE_DUMMY, &BTRFS_I(inode)->runtime_flags);
btrfs_insert_inode_hash(inode);
}
static void btrfs_init_dev_replace_locks(struct btrfs_fs_info *fs_info)
@ -2439,7 +2436,6 @@ static int btrfs_replay_log(struct btrfs_fs_info *fs_info,
struct btrfs_fs_devices *fs_devices)
{
int ret;
struct btrfs_root *tree_root = fs_info->tree_root;
struct btrfs_root *log_tree_root;
struct btrfs_super_block *disk_super = fs_info->super_copy;
u64 bytenr = btrfs_super_log_root(disk_super);
@ -2455,8 +2451,8 @@ static int btrfs_replay_log(struct btrfs_fs_info *fs_info,
__setup_root(log_tree_root, fs_info, BTRFS_TREE_LOG_OBJECTID);
log_tree_root->node = read_tree_block(tree_root, bytenr,
fs_info->generation + 1);
log_tree_root->node = read_tree_block(fs_info, bytenr,
fs_info->generation + 1);
if (IS_ERR(log_tree_root->node)) {
btrfs_warn(fs_info, "failed to read log tree");
ret = PTR_ERR(log_tree_root->node);
@ -2819,7 +2815,7 @@ int open_ctree(struct super_block *sb,
*/
fs_info->compress_type = BTRFS_COMPRESS_ZLIB;
ret = btrfs_parse_options(tree_root, options, sb->s_flags);
ret = btrfs_parse_options(fs_info, options, sb->s_flags);
if (ret) {
err = ret;
goto fail_alloc;
@ -2920,7 +2916,7 @@ int open_ctree(struct super_block *sb,
__setup_root(chunk_root, fs_info, BTRFS_CHUNK_TREE_OBJECTID);
chunk_root->node = read_tree_block(chunk_root,
chunk_root->node = read_tree_block(fs_info,
btrfs_super_chunk_root(disk_super),
generation);
if (IS_ERR(chunk_root->node) ||
@ -2957,7 +2953,7 @@ int open_ctree(struct super_block *sb,
retry_root_backup:
generation = btrfs_super_generation(disk_super);
tree_root->node = read_tree_block(tree_root,
tree_root->node = read_tree_block(fs_info,
btrfs_super_root(disk_super),
generation);
if (IS_ERR(tree_root->node) ||
@ -3081,7 +3077,7 @@ retry_root_backup:
#ifdef CONFIG_BTRFS_FS_CHECK_INTEGRITY
if (btrfs_test_opt(fs_info, CHECK_INTEGRITY)) {
ret = btrfsic_mount(tree_root, fs_devices,
ret = btrfsic_mount(fs_info, fs_devices,
btrfs_test_opt(fs_info,
CHECK_INTEGRITY_INCLUDING_EXTENT_DATA) ?
1 : 0,
@ -3233,7 +3229,7 @@ fail_qgroup:
btrfs_free_qgroup_config(fs_info);
fail_trans_kthread:
kthread_stop(fs_info->transaction_kthread);
btrfs_cleanup_transaction(fs_info->tree_root);
btrfs_cleanup_transaction(fs_info);
btrfs_free_fs_roots(fs_info);
fail_cleaner:
kthread_stop(fs_info->cleaner_kthread);
@ -3685,9 +3681,8 @@ int btrfs_calc_num_tolerated_disk_barrier_failures(
return num_tolerated_disk_barrier_failures;
}
static int write_all_supers(struct btrfs_root *root, int max_mirrors)
static int write_all_supers(struct btrfs_fs_info *fs_info, int max_mirrors)
{
struct btrfs_fs_info *fs_info = root->fs_info;
struct list_head *head;
struct btrfs_device *dev;
struct btrfs_super_block *sb;
@ -3781,9 +3776,9 @@ static int write_all_supers(struct btrfs_root *root, int max_mirrors)
}
int write_ctree_super(struct btrfs_trans_handle *trans,
struct btrfs_root *root, int max_mirrors)
struct btrfs_fs_info *fs_info, int max_mirrors)
{
return write_all_supers(root, max_mirrors);
return write_all_supers(fs_info, max_mirrors);
}
/* Drop a fs root from the radix tree and free it. */
@ -3819,7 +3814,7 @@ static void free_fs_root(struct btrfs_root *root)
{
iput(root->ino_cache_inode);
WARN_ON(!RB_EMPTY_ROOT(&root->inode_tree));
btrfs_free_block_rsv(root, root->orphan_block_rsv);
btrfs_free_block_rsv(root->fs_info, root->orphan_block_rsv);
root->orphan_block_rsv = NULL;
if (root->anon_dev)
free_anon_bdev(root->anon_dev);
@ -3895,7 +3890,7 @@ int btrfs_commit_super(struct btrfs_fs_info *fs_info)
struct btrfs_trans_handle *trans;
mutex_lock(&fs_info->cleaner_mutex);
btrfs_run_delayed_iputs(root);
btrfs_run_delayed_iputs(fs_info);
mutex_unlock(&fs_info->cleaner_mutex);
wake_up_process(fs_info->cleaner_kthread);
@ -3954,7 +3949,7 @@ void close_ctree(struct btrfs_fs_info *fs_info)
}
if (test_bit(BTRFS_FS_STATE_ERROR, &fs_info->fs_state))
btrfs_error_commit_super(root);
btrfs_error_commit_super(fs_info);
kthread_stop(fs_info->transaction_kthread);
kthread_stop(fs_info->cleaner_kthread);
@ -3991,7 +3986,7 @@ void close_ctree(struct btrfs_fs_info *fs_info)
#ifdef CONFIG_BTRFS_FS_CHECK_INTEGRITY
if (btrfs_test_opt(fs_info, CHECK_INTEGRITY))
btrfsic_unmount(root, fs_info->fs_devices);
btrfsic_unmount(fs_info->fs_devices);
#endif
btrfs_close_devices(fs_info->fs_devices);
@ -4066,16 +4061,15 @@ void btrfs_mark_buffer_dirty(struct extent_buffer *buf)
fs_info->dirty_metadata_batch);
#ifdef CONFIG_BTRFS_FS_CHECK_INTEGRITY
if (btrfs_header_level(buf) == 0 && check_leaf(root, buf)) {
btrfs_print_leaf(root, buf);
btrfs_print_leaf(fs_info, buf);
ASSERT(0);
}
#endif
}
static void __btrfs_btree_balance_dirty(struct btrfs_root *root,
static void __btrfs_btree_balance_dirty(struct btrfs_fs_info *fs_info,
int flush_delayed)
{
struct btrfs_fs_info *fs_info = root->fs_info;
/*
* looks as though older kernels can get into trouble with
* this code, they end up stuck in balance_dirty_pages forever
@ -4086,7 +4080,7 @@ static void __btrfs_btree_balance_dirty(struct btrfs_root *root,
return;
if (flush_delayed)
btrfs_balance_delayed_items(root);
btrfs_balance_delayed_items(fs_info);
ret = percpu_counter_compare(&fs_info->dirty_metadata_bytes,
BTRFS_DIRTY_METADATA_THRESH);
@ -4095,20 +4089,22 @@ static void __btrfs_btree_balance_dirty(struct btrfs_root *root,
}
}
void btrfs_btree_balance_dirty(struct btrfs_root *root)
void btrfs_btree_balance_dirty(struct btrfs_fs_info *fs_info)
{
__btrfs_btree_balance_dirty(root, 1);
__btrfs_btree_balance_dirty(fs_info, 1);
}
void btrfs_btree_balance_dirty_nodelay(struct btrfs_root *root)
void btrfs_btree_balance_dirty_nodelay(struct btrfs_fs_info *fs_info)
{
__btrfs_btree_balance_dirty(root, 0);
__btrfs_btree_balance_dirty(fs_info, 0);
}
int btrfs_read_buffer(struct extent_buffer *buf, u64 parent_transid)
{
struct btrfs_root *root = BTRFS_I(buf->pages[0]->mapping->host)->root;
return btree_read_extent_buffer_pages(root, buf, parent_transid);
struct btrfs_fs_info *fs_info = root->fs_info;
return btree_read_extent_buffer_pages(fs_info, buf, parent_transid);
}
static int btrfs_check_super_valid(struct btrfs_fs_info *fs_info,
@ -4259,19 +4255,17 @@ static int btrfs_check_super_valid(struct btrfs_fs_info *fs_info,
return ret;
}
static void btrfs_error_commit_super(struct btrfs_root *root)
static void btrfs_error_commit_super(struct btrfs_fs_info *fs_info)
{
struct btrfs_fs_info *fs_info = root->fs_info;
mutex_lock(&fs_info->cleaner_mutex);
btrfs_run_delayed_iputs(root);
btrfs_run_delayed_iputs(fs_info);
mutex_unlock(&fs_info->cleaner_mutex);
down_write(&fs_info->cleanup_work_sem);
up_write(&fs_info->cleanup_work_sem);
/* cleanup FS via transaction */
btrfs_cleanup_transaction(root);
btrfs_cleanup_transaction(fs_info);
}
static void btrfs_destroy_ordered_extents(struct btrfs_root *root)
@ -4314,9 +4308,8 @@ static void btrfs_destroy_all_ordered_extents(struct btrfs_fs_info *fs_info)
}
static int btrfs_destroy_delayed_refs(struct btrfs_transaction *trans,
struct btrfs_root *root)
struct btrfs_fs_info *fs_info)
{
struct btrfs_fs_info *fs_info = root->fs_info;
struct rb_node *node;
struct btrfs_delayed_ref_root *delayed_refs;
struct btrfs_delayed_ref_node *ref;
@ -4372,7 +4365,7 @@ static int btrfs_destroy_delayed_refs(struct btrfs_transaction *trans,
mutex_unlock(&head->mutex);
if (pin_bytes)
btrfs_pin_extent(root, head->node.bytenr,
btrfs_pin_extent(fs_info, head->node.bytenr,
head->node.num_bytes, 1);
btrfs_put_delayed_ref(&head->node);
cond_resched();
@ -4436,11 +4429,10 @@ static void btrfs_destroy_all_delalloc_inodes(struct btrfs_fs_info *fs_info)
spin_unlock(&fs_info->delalloc_root_lock);
}
static int btrfs_destroy_marked_extents(struct btrfs_root *root,
static int btrfs_destroy_marked_extents(struct btrfs_fs_info *fs_info,
struct extent_io_tree *dirty_pages,
int mark)
{
struct btrfs_fs_info *fs_info = root->fs_info;
int ret;
struct extent_buffer *eb;
u64 start = 0;
@ -4470,10 +4462,9 @@ static int btrfs_destroy_marked_extents(struct btrfs_root *root,
return ret;
}
static int btrfs_destroy_pinned_extent(struct btrfs_root *root,
static int btrfs_destroy_pinned_extent(struct btrfs_fs_info *fs_info,
struct extent_io_tree *pinned_extents)
{
struct btrfs_fs_info *fs_info = root->fs_info;
struct extent_io_tree *unpin;
u64 start;
u64 end;
@ -4489,7 +4480,7 @@ again:
break;
clear_extent_dirty(unpin, start, end);
btrfs_error_unpin_extent_range(root, start, end);
btrfs_error_unpin_extent_range(fs_info, start, end);
cond_resched();
}
@ -4520,9 +4511,8 @@ static void btrfs_cleanup_bg_io(struct btrfs_block_group_cache *cache)
}
void btrfs_cleanup_dirty_bgs(struct btrfs_transaction *cur_trans,
struct btrfs_root *root)
struct btrfs_fs_info *fs_info)
{
struct btrfs_fs_info *fs_info = root->fs_info;
struct btrfs_block_group_cache *cache;
spin_lock(&cur_trans->dirty_bgs_lock);
@ -4572,14 +4562,13 @@ void btrfs_cleanup_dirty_bgs(struct btrfs_transaction *cur_trans,
}
void btrfs_cleanup_one_transaction(struct btrfs_transaction *cur_trans,
struct btrfs_root *root)
struct btrfs_fs_info *fs_info)
{
struct btrfs_fs_info *fs_info = root->fs_info;
btrfs_cleanup_dirty_bgs(cur_trans, root);
btrfs_cleanup_dirty_bgs(cur_trans, fs_info);
ASSERT(list_empty(&cur_trans->dirty_bgs));
ASSERT(list_empty(&cur_trans->io_bgs));
btrfs_destroy_delayed_refs(cur_trans, root);
btrfs_destroy_delayed_refs(cur_trans, fs_info);
cur_trans->state = TRANS_STATE_COMMIT_START;
wake_up(&fs_info->transaction_blocked_wait);
@ -4590,9 +4579,9 @@ void btrfs_cleanup_one_transaction(struct btrfs_transaction *cur_trans,
btrfs_destroy_delayed_inodes(fs_info);
btrfs_assert_delayed_root_empty(fs_info);
btrfs_destroy_marked_extents(root, &cur_trans->dirty_pages,
btrfs_destroy_marked_extents(fs_info, &cur_trans->dirty_pages,
EXTENT_DIRTY);
btrfs_destroy_pinned_extent(root,
btrfs_destroy_pinned_extent(fs_info,
fs_info->pinned_extents);
cur_trans->state =TRANS_STATE_COMPLETED;
@ -4604,9 +4593,8 @@ void btrfs_cleanup_one_transaction(struct btrfs_transaction *cur_trans,
*/
}
static int btrfs_cleanup_transaction(struct btrfs_root *root)
static int btrfs_cleanup_transaction(struct btrfs_fs_info *fs_info)
{
struct btrfs_fs_info *fs_info = root->fs_info;
struct btrfs_transaction *t;
mutex_lock(&fs_info->transaction_kthread_mutex);
@ -4618,7 +4606,7 @@ static int btrfs_cleanup_transaction(struct btrfs_root *root)
if (t->state >= TRANS_STATE_COMMIT_START) {
atomic_inc(&t->use_count);
spin_unlock(&fs_info->trans_lock);
btrfs_wait_for_commit(root, t->transid);
btrfs_wait_for_commit(fs_info, t->transid);
btrfs_put_transaction(t);
spin_lock(&fs_info->trans_lock);
continue;
@ -4635,7 +4623,7 @@ static int btrfs_cleanup_transaction(struct btrfs_root *root)
} else {
spin_unlock(&fs_info->trans_lock);
}
btrfs_cleanup_one_transaction(t, root);
btrfs_cleanup_one_transaction(t, fs_info);
spin_lock(&fs_info->trans_lock);
if (t == fs_info->running_transaction)
@ -4644,14 +4632,14 @@ static int btrfs_cleanup_transaction(struct btrfs_root *root)
spin_unlock(&fs_info->trans_lock);
btrfs_put_transaction(t);
trace_btrfs_transaction_commit(root);
trace_btrfs_transaction_commit(fs_info->tree_root);
spin_lock(&fs_info->trans_lock);
}
spin_unlock(&fs_info->trans_lock);
btrfs_destroy_all_ordered_extents(fs_info);
btrfs_destroy_delayed_inodes(fs_info);
btrfs_assert_delayed_root_empty(fs_info);
btrfs_destroy_pinned_extent(root, fs_info->pinned_extents);
btrfs_destroy_pinned_extent(fs_info, fs_info->pinned_extents);
btrfs_destroy_all_delalloc_inodes(fs_info);
mutex_unlock(&fs_info->transaction_kthread_mutex);

23
fs/btrfs/disk-io.h
View File

@ -44,13 +44,14 @@ static inline u64 btrfs_sb_offset(int mirror)
struct btrfs_device;
struct btrfs_fs_devices;
struct extent_buffer *read_tree_block(struct btrfs_root *root, u64 bytenr,
u64 parent_transid);
void readahead_tree_block(struct btrfs_root *root, u64 bytenr);
int reada_tree_block_flagged(struct btrfs_root *root, u64 bytenr,
struct extent_buffer *read_tree_block(struct btrfs_fs_info *fs_info,
u64 bytenr, u64 parent_transid);
void readahead_tree_block(struct btrfs_fs_info *fs_info, u64 bytenr);
int reada_tree_block_flagged(struct btrfs_fs_info *fs_info, u64 bytenr,
int mirror_num, struct extent_buffer **eb);
struct extent_buffer *btrfs_find_create_tree_block(struct btrfs_root *root,
u64 bytenr);
struct extent_buffer *btrfs_find_create_tree_block(
struct btrfs_fs_info *fs_info,
u64 bytenr);
void clean_tree_block(struct btrfs_trans_handle *trans,
struct btrfs_fs_info *fs_info, struct extent_buffer *buf);
int open_ctree(struct super_block *sb,
@ -58,7 +59,7 @@ int open_ctree(struct super_block *sb,
char *options);
void close_ctree(struct btrfs_fs_info *fs_info);
int write_ctree_super(struct btrfs_trans_handle *trans,
struct btrfs_root *root, int max_mirrors);
struct btrfs_fs_info *fs_info, int max_mirrors);
struct buffer_head *btrfs_read_dev_super(struct block_device *bdev);
int btrfs_read_dev_one_super(struct block_device *bdev, int copy_num,
struct buffer_head **bh_ret);
@ -83,8 +84,8 @@ btrfs_read_fs_root_no_name(struct btrfs_fs_info *fs_info,
}
int btrfs_cleanup_fs_roots(struct btrfs_fs_info *fs_info);
void btrfs_btree_balance_dirty(struct btrfs_root *root);
void btrfs_btree_balance_dirty_nodelay(struct btrfs_root *root);
void btrfs_btree_balance_dirty(struct btrfs_fs_info *fs_info);
void btrfs_btree_balance_dirty_nodelay(struct btrfs_fs_info *fs_info);
void btrfs_drop_and_free_fs_root(struct btrfs_fs_info *fs_info,
struct btrfs_root *root);
void btrfs_free_fs_root(struct btrfs_root *root);
@ -134,9 +135,9 @@ int btrfs_init_log_root_tree(struct btrfs_trans_handle *trans,
int btrfs_add_log_tree(struct btrfs_trans_handle *trans,
struct btrfs_root *root);
void btrfs_cleanup_dirty_bgs(struct btrfs_transaction *trans,
struct btrfs_root *root);
struct btrfs_fs_info *fs_info);
void btrfs_cleanup_one_transaction(struct btrfs_transaction *trans,
struct btrfs_root *root);
struct btrfs_fs_info *fs_info);
struct btrfs_root *btrfs_create_tree(struct btrfs_trans_handle *trans,
struct btrfs_fs_info *fs_info,
u64 objectid);

541
fs/btrfs/extent-tree.c
View File

File diff suppressed because it is too large Load Diff

8
fs/btrfs/extent_io.c
View File

@ -2067,10 +2067,9 @@ int repair_io_failure(struct inode *inode, u64 start, u64 length, u64 logical,
return 0;
}
int repair_eb_io_failure(struct btrfs_root *root, struct extent_buffer *eb,
int mirror_num)
int repair_eb_io_failure(struct btrfs_fs_info *fs_info,
struct extent_buffer *eb, int mirror_num)
{
struct btrfs_fs_info *fs_info = root->fs_info;
u64 start = eb->start;
unsigned long i, num_pages = num_extent_pages(eb->start, eb->len);
int ret = 0;
@ -3753,8 +3752,7 @@ static noinline_for_stack int write_one_eb(struct extent_buffer *eb,
* header 0 1 2 .. N ... data_N .. data_2 data_1 data_0
*/
start = btrfs_item_nr_offset(nritems);
end = btrfs_leaf_data(eb) +
leaf_data_end(fs_info->tree_root, eb);
end = btrfs_leaf_data(eb) + leaf_data_end(fs_info, eb);
memzero_extent_buffer(eb, start, end - start);
}

4
fs/btrfs/extent_io.h
View File

@ -457,8 +457,8 @@ int repair_io_failure(struct inode *inode, u64 start, u64 length, u64 logical,
int clean_io_failure(struct inode *inode, u64 start, struct page *page,
unsigned int pg_offset);
void end_extent_writepage(struct page *page, int err, u64 start, u64 end);
int repair_eb_io_failure(struct btrfs_root *root, struct extent_buffer *eb,
int mirror_num);
int repair_eb_io_failure(struct btrfs_fs_info *fs_info,
struct extent_buffer *eb, int mirror_num);
/*
* When IO fails, either with EIO or csum verification fails, we

32
fs/btrfs/file-item.c
View File

@ -160,8 +160,7 @@ static void btrfs_io_bio_endio_readpage(struct btrfs_io_bio *bio, int err)
kfree(bio->csum_allocated);
}
static int __btrfs_lookup_bio_sums(struct btrfs_root *root,
struct inode *inode, struct bio *bio,
static int __btrfs_lookup_bio_sums(struct inode *inode, struct bio *bio,
u64 logical_offset, u32 *dst, int dio)
{
struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb);
@ -304,16 +303,14 @@ next:
return 0;
}
int btrfs_lookup_bio_sums(struct btrfs_root *root, struct inode *inode,
struct bio *bio, u32 *dst)
int btrfs_lookup_bio_sums(struct inode *inode, struct bio *bio, u32 *dst)
{
return __btrfs_lookup_bio_sums(root, inode, bio, 0, dst, 0);
return __btrfs_lookup_bio_sums(inode, bio, 0, dst, 0);
}
int btrfs_lookup_bio_sums_dio(struct btrfs_root *root, struct inode *inode,
struct bio *bio, u64 offset)
int btrfs_lookup_bio_sums_dio(struct inode *inode, struct bio *bio, u64 offset)
{
return __btrfs_lookup_bio_sums(root, inode, bio, offset, NULL, 1);
return __btrfs_lookup_bio_sums(inode, bio, offset, NULL, 1);
}
int btrfs_lookup_csums_range(struct btrfs_root *root, u64 start, u64 end,
@ -436,8 +433,8 @@ fail:
return ret;
}
int btrfs_csum_one_bio(struct btrfs_root *root, struct inode *inode,
struct bio *bio, u64 file_start, int contig)
int btrfs_csum_one_bio(struct inode *inode, struct bio *bio,
u64 file_start, int contig)
{
struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb);
struct btrfs_ordered_sum *sums;
@ -543,12 +540,11 @@ int btrfs_csum_one_bio(struct btrfs_root *root, struct inode *inode,
* This calls btrfs_truncate_item with the correct args based on the
* overlap, and fixes up the key as required.
*/
static noinline void truncate_one_csum(struct btrfs_root *root,
static noinline void truncate_one_csum(struct btrfs_fs_info *fs_info,
struct btrfs_path *path,
struct btrfs_key *key,
u64 bytenr, u64 len)
{
struct btrfs_fs_info *fs_info = root->fs_info;
struct extent_buffer *leaf;
u16 csum_size = btrfs_super_csum_size(fs_info->super_copy);
u64 csum_end;
@ -569,7 +565,7 @@ static noinline void truncate_one_csum(struct btrfs_root *root,
*/
u32 new_size = (bytenr - key->offset) >> blocksize_bits;
new_size *= csum_size;
btrfs_truncate_item(root, path, new_size, 1);
btrfs_truncate_item(fs_info, path, new_size, 1);
} else if (key->offset >= bytenr && csum_end > end_byte &&
end_byte > key->offset) {
/*
@ -581,7 +577,7 @@ static noinline void truncate_one_csum(struct btrfs_root *root,
u32 new_size = (csum_end - end_byte) >> blocksize_bits;
new_size *= csum_size;
btrfs_truncate_item(root, path, new_size, 0);
btrfs_truncate_item(fs_info, path, new_size, 0);
key->offset = end_byte;
btrfs_set_item_key_safe(fs_info, path, key);
@ -698,7 +694,7 @@ int btrfs_del_csums(struct btrfs_trans_handle *trans,
key.offset = end_byte - 1;
} else {
truncate_one_csum(root, path, &key, bytenr, len);
truncate_one_csum(fs_info, path, &key, bytenr, len);
if (key.offset < bytenr)
break;
}
@ -824,11 +820,11 @@ again:
u32 diff;
u32 free_space;
if (btrfs_leaf_free_space(root, leaf) <
if (btrfs_leaf_free_space(fs_info, leaf) <
sizeof(struct btrfs_item) + csum_size * 2)
goto insert;
free_space = btrfs_leaf_free_space(root, leaf) -
free_space = btrfs_leaf_free_space(fs_info, leaf) -
sizeof(struct btrfs_item) - csum_size;
tmp = sums->len - total_bytes;
tmp >>= fs_info->sb->s_blocksize_bits;
@ -844,7 +840,7 @@ again:
diff /= csum_size;
diff *= csum_size;
btrfs_extend_item(root, path, diff);
btrfs_extend_item(fs_info, path, diff);
ret = 0;
goto csum;
}

47
fs/btrfs/file.c
View File

@ -129,10 +129,8 @@ static int __btrfs_add_inode_defrag(struct inode *inode,
return 0;
}
static inline int __need_auto_defrag(struct btrfs_root *root)
static inline int __need_auto_defrag(struct btrfs_fs_info *fs_info)
{
struct btrfs_fs_info *fs_info = root->fs_info;
if (!btrfs_test_opt(fs_info, AUTO_DEFRAG))
return 0;
@ -155,7 +153,7 @@ int btrfs_add_inode_defrag(struct btrfs_trans_handle *trans,
u64 transid;
int ret;
if (!__need_auto_defrag(root))
if (!__need_auto_defrag(fs_info))
return 0;
if (test_bit(BTRFS_INODE_IN_DEFRAG, &BTRFS_I(inode)->runtime_flags))
@ -200,10 +198,9 @@ static void btrfs_requeue_inode_defrag(struct inode *inode,
struct inode_defrag *defrag)
{
struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb);
struct btrfs_root *root = BTRFS_I(inode)->root;
int ret;
if (!__need_auto_defrag(root))
if (!__need_auto_defrag(fs_info))
goto out;
/*
@ -376,7 +373,7 @@ int btrfs_run_defrag_inodes(struct btrfs_fs_info *fs_info)
&fs_info->fs_state))
break;
if (!__need_auto_defrag(fs_info->tree_root))
if (!__need_auto_defrag(fs_info))
break;
/* find an inode to defrag */
@ -488,10 +485,9 @@ static void btrfs_drop_pages(struct page **pages, size_t num_pages)
* this also makes the decision about creating an inline extent vs
* doing real data extents, marking pages dirty and delalloc as required.
*/
int btrfs_dirty_pages(struct btrfs_root *root, struct inode *inode,
struct page **pages, size_t num_pages,
loff_t pos, size_t write_bytes,
struct extent_state **cached)
int btrfs_dirty_pages(struct inode *inode, struct page **pages,
size_t num_pages, loff_t pos, size_t write_bytes,
struct extent_state **cached)
{
struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb);
int err = 0;
@ -860,7 +856,7 @@ next_slot:
btrfs_mark_buffer_dirty(leaf);
if (update_refs && disk_bytenr > 0) {
ret = btrfs_inc_extent_ref(trans, root,
ret = btrfs_inc_extent_ref(trans, fs_info,
disk_bytenr, num_bytes, 0,
root->root_key.objectid,
new_key.objectid,
@ -944,7 +940,7 @@ delete_extent_item:
extent_end = ALIGN(extent_end,
fs_info->sectorsize);
} else if (update_refs && disk_bytenr > 0) {
ret = btrfs_free_extent(trans, root,
ret = btrfs_free_extent(trans, fs_info,
disk_bytenr, num_bytes, 0,
root->root_key.objectid,
key.objectid, key.offset -
@ -1001,7 +997,7 @@ delete_extent_item:
if (!ret && replace_extent && leafs_visited == 1 &&
(path->locks[0] == BTRFS_WRITE_LOCK_BLOCKING ||
path->locks[0] == BTRFS_WRITE_LOCK) &&
btrfs_leaf_free_space(root, leaf) >=
btrfs_leaf_free_space(fs_info, leaf) >=
sizeof(struct btrfs_item) + extent_item_size) {
key.objectid = ino;
@ -1238,8 +1234,8 @@ again:
extent_end - split);
btrfs_mark_buffer_dirty(leaf);
ret = btrfs_inc_extent_ref(trans, root, bytenr, num_bytes, 0,
root->root_key.objectid,
ret = btrfs_inc_extent_ref(trans, fs_info, bytenr, num_bytes,
0, root->root_key.objectid,
ino, orig_offset);
if (ret) {
btrfs_abort_transaction(trans, ret);
@ -1272,7 +1268,7 @@ again:
extent_end = other_end;
del_slot = path->slots[0] + 1;
del_nr++;
ret = btrfs_free_extent(trans, root, bytenr, num_bytes,
ret = btrfs_free_extent(trans, fs_info, bytenr, num_bytes,
0, root->root_key.objectid,
ino, orig_offset);
if (ret) {
@ -1292,7 +1288,7 @@ again:
key.offset = other_start;
del_slot = path->slots[0];
del_nr++;
ret = btrfs_free_extent(trans, root, bytenr, num_bytes,
ret = btrfs_free_extent(trans, fs_info, bytenr, num_bytes,
0, root->root_key.objectid,
ino, orig_offset);
if (ret) {
@ -1698,9 +1694,8 @@ again:
fs_info->sectorsize);
if (copied > 0)
ret = btrfs_dirty_pages(root, inode, pages,
dirty_pages, pos, copied,
NULL);
ret = btrfs_dirty_pages(inode, pages, dirty_pages,
pos, copied, NULL);
if (need_unlock)
unlock_extent_cached(&BTRFS_I(inode)->io_tree,
lockstart, lockend, &cached_state,
@ -1732,7 +1727,7 @@ again:
balance_dirty_pages_ratelimited(inode->i_mapping);
if (dirty_pages < (fs_info->nodesize >> PAGE_SHIFT) + 1)
btrfs_btree_balance_dirty(root);
btrfs_btree_balance_dirty(fs_info);
pos += copied;
num_written += copied;
@ -2519,7 +2514,7 @@ static int btrfs_punch_hole(struct inode *inode, loff_t offset, loff_t len)
goto out;
}
rsv = btrfs_alloc_block_rsv(root, BTRFS_BLOCK_RSV_TEMP);
rsv = btrfs_alloc_block_rsv(fs_info, BTRFS_BLOCK_RSV_TEMP);
if (!rsv) {
ret = -ENOMEM;
goto out_free;
@ -2580,7 +2575,7 @@ static int btrfs_punch_hole(struct inode *inode, loff_t offset, loff_t len)
}
btrfs_end_transaction(trans, root);
btrfs_btree_balance_dirty(root);
btrfs_btree_balance_dirty(fs_info);
trans = btrfs_start_transaction(root, rsv_count);
if (IS_ERR(trans)) {
@ -2648,10 +2643,10 @@ out_trans:
ret = btrfs_update_inode(trans, root, inode);
updated_inode = true;
btrfs_end_transaction(trans, root);
btrfs_btree_balance_dirty(root);
btrfs_btree_balance_dirty(fs_info);
out_free:
btrfs_free_path(path);
btrfs_free_block_rsv(root, rsv);
btrfs_free_block_rsv(fs_info, rsv);
out:
unlock_extent_cached(&BTRFS_I(inode)->io_tree, lockstart, lockend,
&cached_state, GFP_NOFS);

24
fs/btrfs/free-space-cache.c
View File

@ -208,10 +208,9 @@ int create_free_space_inode(struct btrfs_root *root,
block_group->key.objectid);
}
int btrfs_check_trunc_cache_free_space(struct btrfs_root *root,
int btrfs_check_trunc_cache_free_space(struct btrfs_fs_info *fs_info,
struct btrfs_block_rsv *rsv)
{
struct btrfs_fs_info *fs_info = root->fs_info;
u64 needed_bytes;
int ret;
@ -1036,12 +1035,11 @@ fail:
}
static noinline_for_stack int
write_pinned_extent_entries(struct btrfs_root *root,
write_pinned_extent_entries(struct btrfs_fs_info *fs_info,
struct btrfs_block_group_cache *block_group,
struct btrfs_io_ctl *io_ctl,
int *entries)
{
struct btrfs_fs_info *fs_info;
u64 start, extent_start, extent_end, len;
struct extent_io_tree *unpin = NULL;
int ret;
@ -1049,8 +1047,6 @@ write_pinned_extent_entries(struct btrfs_root *root,
if (!block_group)
return 0;
fs_info = block_group->fs_info;
/*
* We want to add any pinned extents to our free space cache
* so we don't leak the space
@ -1243,6 +1239,7 @@ static int __btrfs_write_out_cache(struct btrfs_root *root, struct inode *inode,
struct btrfs_trans_handle *trans,
struct btrfs_path *path, u64 offset)
{
struct btrfs_fs_info *fs_info = root->fs_info;
struct extent_state *cached_state = NULL;
LIST_HEAD(bitmap_list);
int entries = 0;
@ -1300,7 +1297,8 @@ static int __btrfs_write_out_cache(struct btrfs_root *root, struct inode *inode,
* If this changes while we are working we'll get added back to
* the dirty list and redo it. No locking needed
*/
ret = write_pinned_extent_entries(root, block_group, io_ctl, &entries);
ret = write_pinned_extent_entries(fs_info, block_group,
io_ctl, &entries);
if (ret)
goto out_nospc_locked;
@ -1319,8 +1317,8 @@ static int __btrfs_write_out_cache(struct btrfs_root *root, struct inode *inode,
io_ctl_zero_remaining_pages(io_ctl);
/* Everything is written out, now we dirty the pages in the file. */
ret = btrfs_dirty_pages(root, inode, io_ctl->pages, io_ctl->num_pages,
0, i_size_read(inode), &cached_state);
ret = btrfs_dirty_pages(inode, io_ctl->pages, io_ctl->num_pages, 0,
i_size_read(inode), &cached_state);
if (ret)
goto out_nospc;
@ -1994,7 +1992,7 @@ static bool use_bitmap(struct btrfs_free_space_ctl *ctl,
bool forced = false;
#ifdef CONFIG_BTRFS_DEBUG
if (btrfs_should_fragment_free_space(fs_info->extent_root, block_group))
if (btrfs_should_fragment_free_space(block_group))
forced = true;
#endif
@ -3034,13 +3032,12 @@ setup_cluster_bitmap(struct btrfs_block_group_cache *block_group,
* returns zero and sets up cluster if things worked out, otherwise
* it returns -enospc
*/
int btrfs_find_space_cluster(struct btrfs_root *root,
int btrfs_find_space_cluster(struct btrfs_fs_info *fs_info,
struct btrfs_block_group_cache *block_group,
struct btrfs_free_cluster *cluster,
u64 offset, u64 bytes, u64 empty_size)
{
struct btrfs_free_space_ctl *ctl = block_group->free_space_ctl;
struct btrfs_fs_info *fs_info = block_group->fs_info;
struct btrfs_free_space *entry, *tmp;
LIST_HEAD(bitmaps);
u64 min_bytes;
@ -3148,8 +3145,7 @@ static int do_trimming(struct btrfs_block_group_cache *block_group,
spin_unlock(&block_group->lock);
spin_unlock(&space_info->lock);
ret = btrfs_discard_extent(fs_info->extent_root,
start, bytes, &trimmed);
ret = btrfs_discard_extent(fs_info, start, bytes, &trimmed);
if (!ret)
*total_trimmed += trimmed;

4
fs/btrfs/free-space-cache.h
View File

@ -59,7 +59,7 @@ int create_free_space_inode(struct btrfs_root *root,
struct btrfs_block_group_cache *block_group,
struct btrfs_path *path);
int btrfs_check_trunc_cache_free_space(struct btrfs_root *root,
int btrfs_check_trunc_cache_free_space(struct btrfs_fs_info *fs_info,
struct btrfs_block_rsv *rsv);
int btrfs_truncate_free_space_cache(struct btrfs_root *root,
struct btrfs_trans_handle *trans,
@ -109,7 +109,7 @@ u64 btrfs_find_space_for_alloc(struct btrfs_block_group_cache *block_group,
u64 btrfs_find_ino_for_alloc(struct btrfs_root *fs_root);
void btrfs_dump_free_space(struct btrfs_block_group_cache *block_group,
u64 bytes);
int btrfs_find_space_cluster(struct btrfs_root *root,
int btrfs_find_space_cluster(struct btrfs_fs_info *fs_info,
struct btrfs_block_group_cache *block_group,
struct btrfs_free_cluster *cluster,
u64 offset, u64 bytes, u64 empty_size);

8
fs/btrfs/inode-item.c
View File

@ -182,7 +182,7 @@ static int btrfs_del_inode_extref(struct btrfs_trans_handle *trans,
memmove_extent_buffer(leaf, ptr, ptr + del_len,
item_size - (ptr + del_len - item_start));
btrfs_truncate_item(root, path, item_size - del_len, 1);
btrfs_truncate_item(root->fs_info, path, item_size - del_len, 1);
out:
btrfs_free_path(path);
@ -245,7 +245,7 @@ int btrfs_del_inode_ref(struct btrfs_trans_handle *trans,
item_start = btrfs_item_ptr_offset(leaf, path->slots[0]);
memmove_extent_buffer(leaf, ptr, ptr + sub_item_len,
item_size - (ptr + sub_item_len - item_start));
btrfs_truncate_item(root, path, item_size - sub_item_len, 1);
btrfs_truncate_item(root->fs_info, path, item_size - sub_item_len, 1);
out:
btrfs_free_path(path);
@ -297,7 +297,7 @@ static int btrfs_insert_inode_extref(struct btrfs_trans_handle *trans,
name, name_len, NULL))
goto out;
btrfs_extend_item(root, path, ins_len);
btrfs_extend_item(root->fs_info, path, ins_len);
ret = 0;
}
if (ret < 0)
@ -355,7 +355,7 @@ int btrfs_insert_inode_ref(struct btrfs_trans_handle *trans,
goto out;
old_size = btrfs_item_size_nr(path->nodes[0], path->slots[0]);
btrfs_extend_item(root, path, ins_len);
btrfs_extend_item(fs_info, path, ins_len);
ref = btrfs_item_ptr(path->nodes[0], path->slots[0],
struct btrfs_inode_ref);
ref = (struct btrfs_inode_ref *)((unsigned long)ref + old_size);

3
fs/btrfs/inode-map.c
View File

@ -509,7 +509,8 @@ out_put:
out_release:
trace_btrfs_space_reservation(fs_info, "ino_cache", trans->transid,
trans->bytes_reserved, 0);
btrfs_block_rsv_release(root, trans->block_rsv, trans->bytes_reserved);
btrfs_block_rsv_release(fs_info, trans->block_rsv,
trans->bytes_reserved);
out:
trans->block_rsv = rsv;
trans->bytes_reserved = num_bytes;

186
fs/btrfs/inode.c
View File

@ -874,7 +874,7 @@ retry:
return;
out_free_reserve:
btrfs_dec_block_group_reservations(fs_info, ins.objectid);
btrfs_free_reserved_extent(root, ins.objectid, ins.offset, 1);
btrfs_free_reserved_extent(fs_info, ins.objectid, ins.offset, 1);
out_free:
extent_clear_unlock_delalloc(inode, async_extent->start,
async_extent->start +
@ -1088,7 +1088,7 @@ out_drop_extent_cache:
btrfs_drop_extent_cache(inode, start, start + ram_size - 1, 0);
out_reserve:
btrfs_dec_block_group_reservations(fs_info, ins.objectid);
btrfs_free_reserved_extent(root, ins.objectid, ins.offset, 1);
btrfs_free_reserved_extent(fs_info, ins.objectid, ins.offset, 1);
out_unlock:
extent_clear_unlock_delalloc(inode, start, end, delalloc_end,
locked_page,
@ -1216,10 +1216,9 @@ static int cow_file_range_async(struct inode *inode, struct page *locked_page,
return 0;
}
static noinline int csum_exist_in_range(struct btrfs_root *root,
static noinline int csum_exist_in_range(struct btrfs_fs_info *fs_info,
u64 bytenr, u64 num_bytes)
{
struct btrfs_fs_info *fs_info = root->fs_info;
int ret;
struct btrfs_ordered_sum *sums;
LIST_HEAD(list);
@ -1381,7 +1380,7 @@ next_slot:
goto out_check;
if (extent_type == BTRFS_FILE_EXTENT_REG && !force)
goto out_check;
if (btrfs_extent_readonly(root, disk_bytenr))
if (btrfs_extent_readonly(fs_info, disk_bytenr))
goto out_check;
if (btrfs_cross_ref_exist(trans, root, ino,
found_key.offset -
@ -1404,7 +1403,8 @@ next_slot:
* this ensure that csum for a given extent are
* either valid or do not exist.
*/
if (csum_exist_in_range(root, disk_bytenr, num_bytes))
if (csum_exist_in_range(fs_info, disk_bytenr,
num_bytes))
goto out_check;
if (!btrfs_inc_nocow_writers(fs_info, disk_bytenr))
goto out_check;
@ -1899,10 +1899,9 @@ static int __btrfs_submit_bio_start(struct inode *inode, struct bio *bio,
int mirror_num, unsigned long bio_flags,
u64 bio_offset)
{
struct btrfs_root *root = BTRFS_I(inode)->root;
int ret = 0;
ret = btrfs_csum_one_bio(root, inode, bio, 0, 0);
ret = btrfs_csum_one_bio(inode, bio, 0, 0);
BUG_ON(ret); /* -ENOMEM */
return 0;
}
@ -1919,10 +1918,10 @@ static int __btrfs_submit_bio_done(struct inode *inode, struct bio *bio,
int mirror_num, unsigned long bio_flags,
u64 bio_offset)
{
struct btrfs_root *root = BTRFS_I(inode)->root;
struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb);
int ret;
ret = btrfs_map_bio(root, bio, mirror_num, 1);
ret = btrfs_map_bio(fs_info, bio, mirror_num, 1);
if (ret) {
bio->bi_error = ret;
bio_endio(bio);
@ -1961,7 +1960,7 @@ static int btrfs_submit_bio_hook(struct inode *inode, struct bio *bio,
bio_flags);
goto out;
} else if (!skip_sum) {
ret = btrfs_lookup_bio_sums(root, inode, bio, NULL);
ret = btrfs_lookup_bio_sums(inode, bio, NULL);
if (ret)
goto out;
}
@ -1977,13 +1976,13 @@ static int btrfs_submit_bio_hook(struct inode *inode, struct bio *bio,
__btrfs_submit_bio_done);
goto out;
} else if (!skip_sum) {
ret = btrfs_csum_one_bio(root, inode, bio, 0, 0);
ret = btrfs_csum_one_bio(inode, bio, 0, 0);
if (ret)
goto out;
}
mapit:
ret = btrfs_map_bio(root, bio, mirror_num, 0);
ret = btrfs_map_bio(fs_info, bio, mirror_num, 0);
out:
if (ret < 0) {
@ -2194,10 +2193,9 @@ static int insert_reserved_file_extent(struct btrfs_trans_handle *trans,
ins.objectid = disk_bytenr;
ins.offset = disk_num_bytes;
ins.type = BTRFS_EXTENT_ITEM_KEY;
ret = btrfs_alloc_reserved_file_extent(trans, root,
root->root_key.objectid,
btrfs_ino(inode), file_pos,
ram_bytes, &ins);
ret = btrfs_alloc_reserved_file_extent(trans, root->root_key.objectid,
btrfs_ino(inode), file_pos,
ram_bytes, &ins);
/*
* Release the reserved range from inode dirty range map, as it is
* already moved into delayed_ref_head
@ -2654,7 +2652,7 @@ again:
inode_add_bytes(inode, len);
btrfs_release_path(path);
ret = btrfs_inc_extent_ref(trans, root, new->bytenr,
ret = btrfs_inc_extent_ref(trans, fs_info, new->bytenr,
new->disk_len, 0,
backref->root_id, backref->inum,
new->file_pos); /* start - extent_offset */
@ -2855,10 +2853,9 @@ out_kfree:
return NULL;
}
static void btrfs_release_delalloc_bytes(struct btrfs_root *root,
static void btrfs_release_delalloc_bytes(struct btrfs_fs_info *fs_info,
u64 start, u64 len)
{
struct btrfs_fs_info *fs_info = root->fs_info;
struct btrfs_block_group_cache *cache;
cache = btrfs_lookup_block_group(fs_info, start);
@ -2984,7 +2981,7 @@ static int btrfs_finish_ordered_io(struct btrfs_ordered_extent *ordered_extent)
compress_type, 0, 0,
BTRFS_FILE_EXTENT_REG);
if (!ret)
btrfs_release_delalloc_bytes(root,
btrfs_release_delalloc_bytes(fs_info,
ordered_extent->start,
ordered_extent->disk_len);
}
@ -3038,7 +3035,8 @@ out:
if ((ret || !logical_len) &&
!test_bit(BTRFS_ORDERED_NOCOW, &ordered_extent->flags) &&
!test_bit(BTRFS_ORDERED_PREALLOC, &ordered_extent->flags))
btrfs_free_reserved_extent(root, ordered_extent->start,
btrfs_free_reserved_extent(fs_info,
ordered_extent->start,
ordered_extent->disk_len, 1);
}
@ -3187,9 +3185,8 @@ void btrfs_add_delayed_iput(struct inode *inode)
spin_unlock(&fs_info->delayed_iput_lock);
}
void btrfs_run_delayed_iputs(struct btrfs_root *root)
void btrfs_run_delayed_iputs(struct btrfs_fs_info *fs_info)
{
struct btrfs_fs_info *fs_info = root->fs_info;
spin_lock(&fs_info->delayed_iput_lock);
while (!list_empty(&fs_info->delayed_iputs)) {
@ -3255,7 +3252,7 @@ void btrfs_orphan_commit_root(struct btrfs_trans_handle *trans,
if (block_rsv) {
WARN_ON(block_rsv->size > 0);
btrfs_free_block_rsv(root, block_rsv);
btrfs_free_block_rsv(fs_info, block_rsv);
}
}
@ -3276,7 +3273,8 @@ int btrfs_orphan_add(struct btrfs_trans_handle *trans, struct inode *inode)
int ret;
if (!root->orphan_block_rsv) {
block_rsv = btrfs_alloc_block_rsv(root, BTRFS_BLOCK_RSV_TEMP);
block_rsv = btrfs_alloc_block_rsv(fs_info,
BTRFS_BLOCK_RSV_TEMP);
if (!block_rsv)
return -ENOMEM;
}
@ -3285,7 +3283,7 @@ int btrfs_orphan_add(struct btrfs_trans_handle *trans, struct inode *inode)
if (!root->orphan_block_rsv) {
root->orphan_block_rsv = block_rsv;
} else if (block_rsv) {
btrfs_free_block_rsv(root, block_rsv);
btrfs_free_block_rsv(fs_info, block_rsv);
block_rsv = NULL;
}
@ -3575,7 +3573,7 @@ int btrfs_orphan_cleanup(struct btrfs_root *root)
root->orphan_cleanup_state = ORPHAN_CLEANUP_DONE;
if (root->orphan_block_rsv)
btrfs_block_rsv_release(root, root->orphan_block_rsv,
btrfs_block_rsv_release(fs_info, root->orphan_block_rsv,
(u64)-1);
if (root->orphan_block_rsv ||
@ -4063,7 +4061,7 @@ static int __btrfs_unlink_inode(struct btrfs_trans_handle *trans,
goto err;
}
skip_backref:
ret = btrfs_delete_delayed_dir_index(trans, root, dir, index);
ret = btrfs_delete_delayed_dir_index(trans, fs_info, dir, index);
if (ret) {
btrfs_abort_transaction(trans, ret);
goto err;
@ -4159,7 +4157,7 @@ static int btrfs_unlink(struct inode *dir, struct dentry *dentry)
out:
btrfs_end_transaction(trans, root);
btrfs_btree_balance_dirty(root);
btrfs_btree_balance_dirty(root->fs_info);
return ret;
}
@ -4227,7 +4225,7 @@ int btrfs_unlink_subvol(struct btrfs_trans_handle *trans,
}
btrfs_release_path(path);
ret = btrfs_delete_delayed_dir_index(trans, root, dir, index);
ret = btrfs_delete_delayed_dir_index(trans, fs_info, dir, index);
if (ret) {
btrfs_abort_transaction(trans, ret);
goto out;
@ -4296,7 +4294,7 @@ static int btrfs_rmdir(struct inode *dir, struct dentry *dentry)
}
out:
btrfs_end_transaction(trans, root);
btrfs_btree_balance_dirty(root);
btrfs_btree_balance_dirty(root->fs_info);
return err;
}
@ -4312,7 +4310,7 @@ static int truncate_space_check(struct btrfs_trans_handle *trans,
* This is only used to apply pressure to the enospc system, we don't
* intend to use this reservation at all.
*/
bytes_deleted = btrfs_csum_bytes_to_leaves(root, bytes_deleted);
bytes_deleted = btrfs_csum_bytes_to_leaves(fs_info, bytes_deleted);
bytes_deleted *= fs_info->nodesize;
ret = btrfs_block_rsv_add(root, &fs_info->trans_block_rsv,
bytes_deleted, BTRFS_RESERVE_NO_FLUSH);
@ -4360,7 +4358,7 @@ static int truncate_inline_extent(struct inode *inode,
btrfs_set_file_extent_ram_bytes(leaf, fi, size);
size = btrfs_file_extent_calc_inline_size(size);
btrfs_truncate_item(root, path, size, 1);
btrfs_truncate_item(root->fs_info, path, size, 1);
if (test_bit(BTRFS_ROOT_REF_COWS, &root->state))
inode_sub_bytes(inode, item_end + 1 - new_size);
@ -4622,13 +4620,13 @@ delete:
root == fs_info->tree_root)) {
btrfs_set_path_blocking(path);
bytes_deleted += extent_num_bytes;
ret = btrfs_free_extent(trans, root, extent_start,
ret = btrfs_free_extent(trans, fs_info, extent_start,
extent_num_bytes, 0,
btrfs_header_owner(leaf),
ino, extent_offset);
BUG_ON(ret);
if (btrfs_should_throttle_delayed_refs(trans, root))
btrfs_async_run_delayed_refs(root,
if (btrfs_should_throttle_delayed_refs(trans, fs_info))
btrfs_async_run_delayed_refs(fs_info,
trans->delayed_ref_updates * 2,
trans->transid, 0);
if (be_nice) {
@ -4637,9 +4635,8 @@ delete:
should_end = 1;
}
if (btrfs_should_throttle_delayed_refs(trans,
root)) {
fs_info))
should_throttle = 1;
}
}
}
@ -4664,7 +4661,9 @@ delete:
unsigned long updates = trans->delayed_ref_updates;
if (updates) {
trans->delayed_ref_updates = 0;
ret = btrfs_run_delayed_refs(trans, root, updates * 2);
ret = btrfs_run_delayed_refs(trans,
fs_info,
updates * 2);
if (ret && !err)
err = ret;
}
@ -4699,7 +4698,8 @@ error:
unsigned long updates = trans->delayed_ref_updates;
if (updates) {
trans->delayed_ref_updates = 0;
ret = btrfs_run_delayed_refs(trans, root, updates * 2);
ret = btrfs_run_delayed_refs(trans, fs_info,
updates * 2);
if (ret && !err)
err = ret;
}
@ -5280,7 +5280,7 @@ void btrfs_evict_inode(struct inode *inode)
goto no_delete;
}
rsv = btrfs_alloc_block_rsv(root, BTRFS_BLOCK_RSV_TEMP);
rsv = btrfs_alloc_block_rsv(fs_info, BTRFS_BLOCK_RSV_TEMP);
if (!rsv) {
btrfs_orphan_del(NULL, inode);
goto no_delete;
@ -5325,14 +5325,14 @@ void btrfs_evict_inode(struct inode *inode)
"Could not get space for a delete, will truncate on mount %d",
ret);
btrfs_orphan_del(NULL, inode);
btrfs_free_block_rsv(root, rsv);
btrfs_free_block_rsv(fs_info, rsv);
goto no_delete;
}
trans = btrfs_join_transaction(root);
if (IS_ERR(trans)) {
btrfs_orphan_del(NULL, inode);
btrfs_free_block_rsv(root, rsv);
btrfs_free_block_rsv(fs_info, rsv);
goto no_delete;
}
@ -5342,7 +5342,7 @@ void btrfs_evict_inode(struct inode *inode)
* again.
*/
if (steal_from_global) {
if (!btrfs_check_space_for_delayed_refs(trans, root))
if (!btrfs_check_space_for_delayed_refs(trans, fs_info))
ret = btrfs_block_rsv_migrate(global_rsv, rsv,
min_size, 0);
else
@ -5358,7 +5358,7 @@ void btrfs_evict_inode(struct inode *inode)
ret = btrfs_commit_transaction(trans, root);
if (ret) {
btrfs_orphan_del(NULL, inode);
btrfs_free_block_rsv(root, rsv);
btrfs_free_block_rsv(fs_info, rsv);
goto no_delete;
}
continue;
@ -5375,10 +5375,10 @@ void btrfs_evict_inode(struct inode *inode)
trans->block_rsv = &fs_info->trans_block_rsv;
btrfs_end_transaction(trans, root);
trans = NULL;
btrfs_btree_balance_dirty(root);
btrfs_btree_balance_dirty(fs_info);
}
btrfs_free_block_rsv(root, rsv);
btrfs_free_block_rsv(fs_info, rsv);
/*
* Errors here aren't a big deal, it just means we leave orphan items
@ -5397,7 +5397,7 @@ void btrfs_evict_inode(struct inode *inode)
btrfs_return_ino(root, btrfs_ino(inode));
btrfs_end_transaction(trans, root);
btrfs_btree_balance_dirty(root);
btrfs_btree_balance_dirty(fs_info);
no_delete:
btrfs_remove_delayed_node(inode);
clear_inode(inode);
@ -5443,13 +5443,12 @@ out_err:
* needs to be changed to reflect the root directory of the tree root. This
* is kind of like crossing a mount point.
*/
static int fixup_tree_root_location(struct btrfs_root *root,
static int fixup_tree_root_location(struct btrfs_fs_info *fs_info,
struct inode *dir,
struct dentry *dentry,
struct btrfs_key *location,
struct btrfs_root **sub_root)
{
struct btrfs_fs_info *fs_info = btrfs_sb(dir->i_sb);
struct btrfs_path *path;
struct btrfs_root *new_root;
struct btrfs_root_ref *ref;
@ -5749,7 +5748,7 @@ struct inode *btrfs_lookup_dentry(struct inode *dir, struct dentry *dentry)
BUG_ON(location.type != BTRFS_ROOT_ITEM_KEY);
index = srcu_read_lock(&fs_info->subvol_srcu);
ret = fixup_tree_root_location(root, dir, dentry,
ret = fixup_tree_root_location(fs_info, dir, dentry,
&location, &sub_root);
if (ret < 0) {
if (ret != -ENOENT)
@ -5822,6 +5821,7 @@ unsigned char btrfs_filetype_table[] = {
static int btrfs_real_readdir(struct file *file, struct dir_context *ctx)
{
struct inode *inode = file_inode(file);
struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb);
struct btrfs_root *root = BTRFS_I(inode)->root;
struct btrfs_item *item;
struct btrfs_dir_item *di;
@ -5889,7 +5889,7 @@ static int btrfs_real_readdir(struct file *file, struct dir_context *ctx)
ctx->pos = found_key.offset;
di = btrfs_item_ptr(leaf, slot, struct btrfs_dir_item);
if (verify_dir_item(root, leaf, di))
if (verify_dir_item(fs_info, leaf, di))
goto next;
name_len = btrfs_dir_name_len(leaf, di);
@ -5988,6 +5988,7 @@ int btrfs_write_inode(struct inode *inode, struct writeback_control *wbc)
*/
static int btrfs_dirty_inode(struct inode *inode)
{
struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb);
struct btrfs_root *root = BTRFS_I(inode)->root;
struct btrfs_trans_handle *trans;
int ret;
@ -6011,7 +6012,7 @@ static int btrfs_dirty_inode(struct inode *inode)
}
btrfs_end_transaction(trans, root);
if (BTRFS_I(inode)->delayed_node)
btrfs_balance_delayed_items(root);
btrfs_balance_delayed_items(fs_info);
return ret;
}
@ -6394,6 +6395,7 @@ static int btrfs_add_nondir(struct btrfs_trans_handle *trans,
static int btrfs_mknod(struct inode *dir, struct dentry *dentry,
umode_t mode, dev_t rdev)
{
struct btrfs_fs_info *fs_info = btrfs_sb(dir->i_sb);
struct btrfs_trans_handle *trans;
struct btrfs_root *root = BTRFS_I(dir)->root;
struct inode *inode = NULL;
@ -6447,8 +6449,8 @@ static int btrfs_mknod(struct inode *dir, struct dentry *dentry,
out_unlock:
btrfs_end_transaction(trans, root);
btrfs_balance_delayed_items(root);
btrfs_btree_balance_dirty(root);
btrfs_balance_delayed_items(fs_info);
btrfs_btree_balance_dirty(fs_info);
if (drop_inode) {
inode_dec_link_count(inode);
iput(inode);
@ -6465,6 +6467,7 @@ out_unlock_inode:
static int btrfs_create(struct inode *dir, struct dentry *dentry,
umode_t mode, bool excl)
{
struct btrfs_fs_info *fs_info = btrfs_sb(dir->i_sb);
struct btrfs_trans_handle *trans;
struct btrfs_root *root = BTRFS_I(dir)->root;
struct inode *inode = NULL;
@ -6526,8 +6529,8 @@ out_unlock:
inode_dec_link_count(inode);
iput(inode);
}
btrfs_balance_delayed_items(root);
btrfs_btree_balance_dirty(root);
btrfs_balance_delayed_items(fs_info);
btrfs_btree_balance_dirty(fs_info);
return err;
out_unlock_inode:
@ -6542,6 +6545,7 @@ static int btrfs_link(struct dentry *old_dentry, struct inode *dir,
struct btrfs_trans_handle *trans = NULL;
struct btrfs_root *root = BTRFS_I(dir)->root;
struct inode *inode = d_inode(old_dentry);
struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb);
u64 index;
int err;
int drop_inode = 0;
@ -6599,7 +6603,7 @@ static int btrfs_link(struct dentry *old_dentry, struct inode *dir,
btrfs_log_new_name(trans, inode, NULL, parent);
}
btrfs_balance_delayed_items(root);
btrfs_balance_delayed_items(fs_info);
fail:
if (trans)
btrfs_end_transaction(trans, root);
@ -6607,12 +6611,13 @@ fail:
inode_dec_link_count(inode);
iput(inode);
}
btrfs_btree_balance_dirty(root);
btrfs_btree_balance_dirty(fs_info);
return err;
}
static int btrfs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
{
struct btrfs_fs_info *fs_info = btrfs_sb(dir->i_sb);
struct inode *inode = NULL;
struct btrfs_trans_handle *trans;
struct btrfs_root *root = BTRFS_I(dir)->root;
@ -6675,8 +6680,8 @@ out_fail:
inode_dec_link_count(inode);
iput(inode);
}
btrfs_balance_delayed_items(root);
btrfs_btree_balance_dirty(root);
btrfs_balance_delayed_items(fs_info);
btrfs_btree_balance_dirty(fs_info);
return err;
out_fail_inode:
@ -7255,7 +7260,8 @@ static struct extent_map *btrfs_new_extent_direct(struct inode *inode,
ins.offset, 0);
btrfs_dec_block_group_reservations(fs_info, ins.objectid);
if (IS_ERR(em))
btrfs_free_reserved_extent(root, ins.objectid, ins.offset, 1);
btrfs_free_reserved_extent(fs_info, ins.objectid,
ins.offset, 1);
return em;
}
@ -7268,6 +7274,7 @@ noinline int can_nocow_extent(struct inode *inode, u64 offset, u64 *len,
u64 *orig_start, u64 *orig_block_len,
u64 *ram_bytes)
{
struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb);
struct btrfs_trans_handle *trans;
struct btrfs_path *path;
int ret;
@ -7348,7 +7355,7 @@ noinline int can_nocow_extent(struct inode *inode, u64 offset, u64 *len,
*ram_bytes = btrfs_file_extent_ram_bytes(leaf, fi);
}
if (btrfs_extent_readonly(root, disk_bytenr))
if (btrfs_extent_readonly(fs_info, disk_bytenr))
goto out;
num_bytes = min(offset + *len, extent_end) - offset;
@ -7393,8 +7400,8 @@ noinline int can_nocow_extent(struct inode *inode, u64 offset, u64 *len,
*/
disk_bytenr += backref_offset;
disk_bytenr += offset - key.offset;
if (csum_exist_in_range(root, disk_bytenr, num_bytes))
goto out;
if (csum_exist_in_range(fs_info, disk_bytenr, num_bytes))
goto out;
/*
* all of the above have passed, it is safe to overwrite this extent
* without cow
@ -7832,19 +7839,18 @@ err:
static inline int submit_dio_repair_bio(struct inode *inode, struct bio *bio,
int mirror_num)
{
struct btrfs_root *root = BTRFS_I(inode)->root;
struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb);
int ret;
BUG_ON(bio_op(bio) == REQ_OP_WRITE);
bio_get(bio);
ret = btrfs_bio_wq_end_io(root->fs_info, bio,
BTRFS_WQ_ENDIO_DIO_REPAIR);
ret = btrfs_bio_wq_end_io(fs_info, bio, BTRFS_WQ_ENDIO_DIO_REPAIR);
if (ret)
goto err;
ret = btrfs_map_bio(root, bio, mirror_num, 0);
ret = btrfs_map_bio(fs_info, bio, mirror_num, 0);
err:
bio_put(bio);
return ret;
@ -8225,8 +8231,7 @@ static int __btrfs_submit_bio_start_direct_io(struct inode *inode,
unsigned long bio_flags, u64 offset)
{
int ret;
struct btrfs_root *root = BTRFS_I(inode)->root;
ret = btrfs_csum_one_bio(root, inode, bio, offset, 1);
ret = btrfs_csum_one_bio(inode, bio, offset, 1);
BUG_ON(ret); /* -ENOMEM */
return 0;
}
@ -8280,8 +8285,7 @@ static struct bio *btrfs_dio_bio_alloc(struct block_device *bdev,
return bio;
}
static inline int btrfs_lookup_and_bind_dio_csum(struct btrfs_root *root,
struct inode *inode,
static inline int btrfs_lookup_and_bind_dio_csum(struct inode *inode,
struct btrfs_dio_private *dip,
struct bio *bio,
u64 file_offset)
@ -8296,7 +8300,7 @@ static inline int btrfs_lookup_and_bind_dio_csum(struct btrfs_root *root,
* contention.
*/
if (dip->logical_offset == file_offset) {
ret = btrfs_lookup_bio_sums_dio(root, inode, dip->orig_bio,
ret = btrfs_lookup_bio_sums_dio(inode, dip->orig_bio,
file_offset);
if (ret)
return ret;
@ -8319,7 +8323,6 @@ static inline int __btrfs_submit_dio_bio(struct bio *bio, struct inode *inode,
struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb);
struct btrfs_dio_private *dip = bio->bi_private;
bool write = bio_op(bio) == REQ_OP_WRITE;
struct btrfs_root *root = BTRFS_I(inode)->root;
int ret;
if (async_submit)
@ -8347,17 +8350,17 @@ static inline int __btrfs_submit_dio_bio(struct bio *bio, struct inode *inode,
* If we aren't doing async submit, calculate the csum of the
* bio now.
*/
ret = btrfs_csum_one_bio(root, inode, bio, file_offset, 1);
ret = btrfs_csum_one_bio(inode, bio, file_offset, 1);
if (ret)
goto err;
} else {
ret = btrfs_lookup_and_bind_dio_csum(root, inode, dip, bio,
ret = btrfs_lookup_and_bind_dio_csum(inode, dip, bio,
file_offset);
if (ret)
goto err;
}
map:
ret = btrfs_map_bio(root, bio, 0, async_submit);
ret = btrfs_map_bio(fs_info, bio, 0, async_submit);
err:
bio_put(bio);
return ret;
@ -8595,10 +8598,10 @@ free_ordered:
kfree(dip);
}
static ssize_t check_direct_IO(struct btrfs_root *root, struct kiocb *iocb,
const struct iov_iter *iter, loff_t offset)
static ssize_t check_direct_IO(struct btrfs_fs_info *fs_info,
struct kiocb *iocb,
const struct iov_iter *iter, loff_t offset)
{
struct btrfs_fs_info *fs_info = root->fs_info;
int seg;
int i;
unsigned int blocksize_mask = fs_info->sectorsize - 1;
@ -8642,7 +8645,7 @@ static ssize_t btrfs_direct_IO(struct kiocb *iocb, struct iov_iter *iter)
bool relock = false;
ssize_t ret;
if (check_direct_IO(BTRFS_I(inode)->root, iocb, iter, offset))
if (check_direct_IO(fs_info, iocb, iter, offset))
return 0;
inode_dio_begin(inode);
@ -9150,7 +9153,7 @@ static int btrfs_truncate(struct inode *inode)
* 3) fs_info->trans_block_rsv - this will have 1 items worth left for
* updating the inode.
*/
rsv = btrfs_alloc_block_rsv(root, BTRFS_BLOCK_RSV_TEMP);
rsv = btrfs_alloc_block_rsv(fs_info, BTRFS_BLOCK_RSV_TEMP);
if (!rsv)
return -ENOMEM;
rsv->size = min_size;
@ -9198,7 +9201,7 @@ static int btrfs_truncate(struct inode *inode)
}
btrfs_end_transaction(trans, root);
btrfs_btree_balance_dirty(root);
btrfs_btree_balance_dirty(fs_info);
trans = btrfs_start_transaction(root, 2);
if (IS_ERR(trans)) {
@ -9227,10 +9230,10 @@ static int btrfs_truncate(struct inode *inode)
err = ret;
ret = btrfs_end_transaction(trans, root);
btrfs_btree_balance_dirty(root);
btrfs_btree_balance_dirty(fs_info);
}
out:
btrfs_free_block_rsv(root, rsv);
btrfs_free_block_rsv(fs_info, rsv);
if (ret && !err)
err = ret;
@ -10302,7 +10305,7 @@ out_unlock:
inode_dec_link_count(inode);
iput(inode);
}
btrfs_btree_balance_dirty(root);
btrfs_btree_balance_dirty(fs_info);
return err;
out_unlock_inode:
@ -10365,7 +10368,7 @@ static int __btrfs_prealloc_file_range(struct inode *inode, int mode,
ins.offset, 0, 0, 0,
BTRFS_FILE_EXTENT_PREALLOC);
if (ret) {
btrfs_free_reserved_extent(root, ins.objectid,
btrfs_free_reserved_extent(fs_info, ins.objectid,
ins.offset, 0);
btrfs_abort_transaction(trans, ret);
if (own_trans)
@ -10482,6 +10485,7 @@ static int btrfs_permission(struct inode *inode, int mask)
static int btrfs_tmpfile(struct inode *dir, struct dentry *dentry, umode_t mode)
{
struct btrfs_fs_info *fs_info = btrfs_sb(dir->i_sb);
struct btrfs_trans_handle *trans;
struct btrfs_root *root = BTRFS_I(dir)->root;
struct inode *inode = NULL;
@ -10541,8 +10545,8 @@ out:
btrfs_end_transaction(trans, root);
if (ret)
iput(inode);
btrfs_balance_delayed_items(root);
btrfs_btree_balance_dirty(root);
btrfs_balance_delayed_items(fs_info);
btrfs_btree_balance_dirty(fs_info);
return ret;
out_inode:

108
fs/btrfs/ioctl.c
View File

@ -411,7 +411,7 @@ static noinline int btrfs_ioctl_fitrim(struct file *file, void __user *arg)
range.len = min(range.len, total_bytes - range.start);
range.minlen = max(range.minlen, minlen);
ret = btrfs_trim_fs(fs_info->tree_root, &range);
ret = btrfs_trim_fs(fs_info, &range);
if (ret < 0)
return ret;
@ -487,7 +487,7 @@ static noinline int create_subvol(struct inode *dir,
trans = btrfs_start_transaction(root, 0);
if (IS_ERR(trans)) {
ret = PTR_ERR(trans);
btrfs_subvolume_release_metadata(root, &block_rsv,
btrfs_subvolume_release_metadata(fs_info, &block_rsv,
qgroup_reserved);
goto fail_free;
}
@ -613,7 +613,7 @@ fail:
kfree(root_item);
trans->block_rsv = NULL;
trans->bytes_reserved = 0;
btrfs_subvolume_release_metadata(root, &block_rsv, qgroup_reserved);
btrfs_subvolume_release_metadata(fs_info, &block_rsv, qgroup_reserved);
if (async_transid) {
*async_transid = trans->transid;
@ -755,7 +755,7 @@ static int create_snapshot(struct btrfs_root *root, struct inode *dir,
d_instantiate(dentry, inode);
ret = 0;
fail:
btrfs_subvolume_release_metadata(BTRFS_I(dir)->root,
btrfs_subvolume_release_metadata(fs_info,
&pending_snapshot->block_rsv,
pending_snapshot->qgroup_reserved);
dec_and_free:
@ -2557,7 +2557,7 @@ out_end_trans:
err = ret;
inode->i_flags |= S_DEAD;
out_release:
btrfs_subvolume_release_metadata(root, &block_rsv, qgroup_reserved);
btrfs_subvolume_release_metadata(fs_info, &block_rsv, qgroup_reserved);
out_up_write:
up_write(&fs_info->subvol_sem);
if (err) {
@ -2661,9 +2661,8 @@ out:
return ret;
}
static long btrfs_ioctl_add_dev(struct btrfs_root *root, void __user *arg)
static long btrfs_ioctl_add_dev(struct btrfs_fs_info *fs_info, void __user *arg)
{
struct btrfs_fs_info *fs_info = root->fs_info;
struct btrfs_ioctl_vol_args *vol_args;
int ret;
@ -2681,7 +2680,7 @@ static long btrfs_ioctl_add_dev(struct btrfs_root *root, void __user *arg)
}
vol_args->name[BTRFS_PATH_NAME_MAX] = '\0';
ret = btrfs_init_new_device(root->fs_info, vol_args->name);
ret = btrfs_init_new_device(fs_info, vol_args->name);
if (!ret)
btrfs_info(fs_info, "disk added %s", vol_args->name);
@ -2697,7 +2696,6 @@ static long btrfs_ioctl_rm_dev_v2(struct file *file, void __user *arg)
{
struct inode *inode = file_inode(file);
struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb);
struct btrfs_root *root = BTRFS_I(inode)->root;
struct btrfs_ioctl_vol_args_v2 *vol_args;
int ret;
@ -2725,10 +2723,10 @@ static long btrfs_ioctl_rm_dev_v2(struct file *file, void __user *arg)
mutex_lock(&fs_info->volume_mutex);
if (vol_args->flags & BTRFS_DEVICE_SPEC_BY_ID) {
ret = btrfs_rm_device(root, NULL, vol_args->devid);
ret = btrfs_rm_device(fs_info, NULL, vol_args->devid);
} else {
vol_args->name[BTRFS_SUBVOL_NAME_MAX] = '\0';
ret = btrfs_rm_device(root, vol_args->name, 0);
ret = btrfs_rm_device(fs_info, vol_args->name, 0);
}
mutex_unlock(&fs_info->volume_mutex);
atomic_set(&fs_info->mutually_exclusive_operation_running, 0);
@ -2752,7 +2750,6 @@ static long btrfs_ioctl_rm_dev(struct file *file, void __user *arg)
{
struct inode *inode = file_inode(file);
struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb);
struct btrfs_root *root = BTRFS_I(inode)->root;
struct btrfs_ioctl_vol_args *vol_args;
int ret;
@ -2776,7 +2773,7 @@ static long btrfs_ioctl_rm_dev(struct file *file, void __user *arg)
vol_args->name[BTRFS_PATH_NAME_MAX] = '\0';
mutex_lock(&fs_info->volume_mutex);
ret = btrfs_rm_device(root, vol_args->name, 0);
ret = btrfs_rm_device(fs_info, vol_args->name, 0);
mutex_unlock(&fs_info->volume_mutex);
if (!ret)
@ -2790,9 +2787,9 @@ out_drop_write:
return ret;
}
static long btrfs_ioctl_fs_info(struct btrfs_root *root, void __user *arg)
static long btrfs_ioctl_fs_info(struct btrfs_fs_info *fs_info,
void __user *arg)
{
struct btrfs_fs_info *fs_info = root->fs_info;
struct btrfs_ioctl_fs_info_args *fi_args;
struct btrfs_device *device;
struct btrfs_fs_devices *fs_devices = fs_info->fs_devices;
@ -2823,9 +2820,9 @@ static long btrfs_ioctl_fs_info(struct btrfs_root *root, void __user *arg)
return ret;
}
static long btrfs_ioctl_dev_info(struct btrfs_root *root, void __user *arg)
static long btrfs_ioctl_dev_info(struct btrfs_fs_info *fs_info,
void __user *arg)
{
struct btrfs_fs_info *fs_info = root->fs_info;
struct btrfs_ioctl_dev_info_args *di_args;
struct btrfs_device *dev;
struct btrfs_fs_devices *fs_devices = fs_info->fs_devices;
@ -3750,7 +3747,8 @@ process_slot:
if (disko) {
inode_add_bytes(inode, datal);
ret = btrfs_inc_extent_ref(trans, root,
ret = btrfs_inc_extent_ref(trans,
fs_info,
disko, diskl, 0,
root->root_key.objectid,
btrfs_ino(inode),
@ -4151,9 +4149,9 @@ void btrfs_get_block_group_info(struct list_head *groups_list,
}
}
static long btrfs_ioctl_space_info(struct btrfs_root *root, void __user *arg)
static long btrfs_ioctl_space_info(struct btrfs_fs_info *fs_info,
void __user *arg)
{
struct btrfs_fs_info *fs_info = root->fs_info;
struct btrfs_ioctl_space_args space_args;
struct btrfs_ioctl_space_info space;
struct btrfs_ioctl_space_info *dest;
@ -4346,7 +4344,7 @@ out:
return 0;
}
static noinline long btrfs_ioctl_wait_sync(struct btrfs_root *root,
static noinline long btrfs_ioctl_wait_sync(struct btrfs_fs_info *fs_info,
void __user *argp)
{
u64 transid;
@ -4357,7 +4355,7 @@ static noinline long btrfs_ioctl_wait_sync(struct btrfs_root *root,
} else {
transid = 0; /* current trans */
}
return btrfs_wait_for_commit(root, transid);
return btrfs_wait_for_commit(fs_info, transid);
}
static long btrfs_ioctl_scrub(struct file *file, void __user *arg)
@ -4393,15 +4391,15 @@ out:
return ret;
}
static long btrfs_ioctl_scrub_cancel(struct btrfs_root *root, void __user *arg)
static long btrfs_ioctl_scrub_cancel(struct btrfs_fs_info *fs_info)
{
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
return btrfs_scrub_cancel(root->fs_info);
return btrfs_scrub_cancel(fs_info);
}
static long btrfs_ioctl_scrub_progress(struct btrfs_root *root,
static long btrfs_ioctl_scrub_progress(struct btrfs_fs_info *fs_info,
void __user *arg)
{
struct btrfs_ioctl_scrub_args *sa;
@ -4414,7 +4412,7 @@ static long btrfs_ioctl_scrub_progress(struct btrfs_root *root,
if (IS_ERR(sa))
return PTR_ERR(sa);
ret = btrfs_scrub_progress(root, sa->devid, &sa->progress);
ret = btrfs_scrub_progress(fs_info, sa->devid, &sa->progress);
if (copy_to_user(arg, sa, sizeof(*sa)))
ret = -EFAULT;
@ -4423,7 +4421,7 @@ static long btrfs_ioctl_scrub_progress(struct btrfs_root *root,
return ret;
}
static long btrfs_ioctl_get_dev_stats(struct btrfs_root *root,
static long btrfs_ioctl_get_dev_stats(struct btrfs_fs_info *fs_info,
void __user *arg)
{
struct btrfs_ioctl_get_dev_stats *sa;
@ -4438,7 +4436,7 @@ static long btrfs_ioctl_get_dev_stats(struct btrfs_root *root,
return -EPERM;
}
ret = btrfs_get_dev_stats(root, sa);
ret = btrfs_get_dev_stats(fs_info, sa);
if (copy_to_user(arg, sa, sizeof(*sa)))
ret = -EFAULT;
@ -4447,9 +4445,9 @@ static long btrfs_ioctl_get_dev_stats(struct btrfs_root *root,
return ret;
}
static long btrfs_ioctl_dev_replace(struct btrfs_root *root, void __user *arg)
static long btrfs_ioctl_dev_replace(struct btrfs_fs_info *fs_info,
void __user *arg)
{
struct btrfs_fs_info *fs_info = root->fs_info;
struct btrfs_ioctl_dev_replace_args *p;
int ret;
@ -4470,7 +4468,7 @@ static long btrfs_ioctl_dev_replace(struct btrfs_root *root, void __user *arg)
&fs_info->mutually_exclusive_operation_running, 1)) {
ret = BTRFS_ERROR_DEV_EXCL_RUN_IN_PROGRESS;
} else {
ret = btrfs_dev_replace_by_ioctl(root, p);
ret = btrfs_dev_replace_by_ioctl(fs_info, p);
atomic_set(
&fs_info->mutually_exclusive_operation_running, 0);
}
@ -4573,7 +4571,7 @@ static int build_ino_list(u64 inum, u64 offset, u64 root, void *ctx)
return 0;
}
static long btrfs_ioctl_logical_to_ino(struct btrfs_root *root,
static long btrfs_ioctl_logical_to_ino(struct btrfs_fs_info *fs_info,
void __user *arg)
{
int ret = 0;
@ -4603,7 +4601,7 @@ static long btrfs_ioctl_logical_to_ino(struct btrfs_root *root,
goto out;
}
ret = iterate_inodes_from_logical(loi->logical, root->fs_info, path,
ret = iterate_inodes_from_logical(loi->logical, fs_info, path,
build_ino_list, inodes);
if (ret == -EINVAL)
ret = -ENOENT;
@ -4799,10 +4797,8 @@ out:
return ret;
}
static long btrfs_ioctl_balance_ctl(struct btrfs_root *root, int cmd)
static long btrfs_ioctl_balance_ctl(struct btrfs_fs_info *fs_info, int cmd)
{
struct btrfs_fs_info *fs_info = root->fs_info;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
@ -4816,10 +4812,9 @@ static long btrfs_ioctl_balance_ctl(struct btrfs_root *root, int cmd)
return -EINVAL;
}
static long btrfs_ioctl_balance_progress(struct btrfs_root *root,
static long btrfs_ioctl_balance_progress(struct btrfs_fs_info *fs_info,
void __user *arg)
{
struct btrfs_fs_info *fs_info = root->fs_info;
struct btrfs_ioctl_balance_args *bargs;
int ret = 0;
@ -5395,12 +5390,11 @@ static int btrfs_ioctl_get_features(struct file *file, void __user *arg)
return 0;
}
static int check_feature_bits(struct btrfs_root *root,
static int check_feature_bits(struct btrfs_fs_info *fs_info,
enum btrfs_feature_set set,
u64 change_mask, u64 flags, u64 supported_flags,
u64 safe_set, u64 safe_clear)
{
struct btrfs_fs_info *fs_info = root->fs_info;
const char *type = btrfs_feature_set_names[set];
char *names;
u64 disallowed, unsupported;
@ -5455,8 +5449,8 @@ static int check_feature_bits(struct btrfs_root *root,
return 0;
}
#define check_feature(root, change_mask, flags, mask_base) \
check_feature_bits(root, FEAT_##mask_base, change_mask, flags, \
#define check_feature(fs_info, change_mask, flags, mask_base) \
check_feature_bits(fs_info, FEAT_##mask_base, change_mask, flags, \
BTRFS_FEATURE_ ## mask_base ## _SUPP, \
BTRFS_FEATURE_ ## mask_base ## _SAFE_SET, \
BTRFS_FEATURE_ ## mask_base ## _SAFE_CLEAR)
@ -5483,17 +5477,17 @@ static int btrfs_ioctl_set_features(struct file *file, void __user *arg)
!flags[0].incompat_flags)
return 0;
ret = check_feature(root, flags[0].compat_flags,
ret = check_feature(fs_info, flags[0].compat_flags,
flags[1].compat_flags, COMPAT);
if (ret)
return ret;
ret = check_feature(root, flags[0].compat_ro_flags,
ret = check_feature(fs_info, flags[0].compat_ro_flags,
flags[1].compat_ro_flags, COMPAT_RO);
if (ret)
return ret;
ret = check_feature(root, flags[0].incompat_flags,
ret = check_feature(fs_info, flags[0].incompat_flags,
flags[1].incompat_flags, INCOMPAT);
if (ret)
return ret;
@ -5572,15 +5566,15 @@ long btrfs_ioctl(struct file *file, unsigned int
case BTRFS_IOC_RESIZE:
return btrfs_ioctl_resize(file, argp);
case BTRFS_IOC_ADD_DEV:
return btrfs_ioctl_add_dev(root, argp);
return btrfs_ioctl_add_dev(fs_info, argp);
case BTRFS_IOC_RM_DEV:
return btrfs_ioctl_rm_dev(file, argp);
case BTRFS_IOC_RM_DEV_V2:
return btrfs_ioctl_rm_dev_v2(file, argp);
case BTRFS_IOC_FS_INFO:
return btrfs_ioctl_fs_info(root, argp);
return btrfs_ioctl_fs_info(fs_info, argp);
case BTRFS_IOC_DEV_INFO:
return btrfs_ioctl_dev_info(root, argp);
return btrfs_ioctl_dev_info(fs_info, argp);
case BTRFS_IOC_BALANCE:
return btrfs_ioctl_balance(file, NULL);
case BTRFS_IOC_TRANS_START:
@ -5596,9 +5590,9 @@ long btrfs_ioctl(struct file *file, unsigned int
case BTRFS_IOC_INO_PATHS:
return btrfs_ioctl_ino_to_path(root, argp);
case BTRFS_IOC_LOGICAL_INO:
return btrfs_ioctl_logical_to_ino(root, argp);
return btrfs_ioctl_logical_to_ino(fs_info, argp);
case BTRFS_IOC_SPACE_INFO:
return btrfs_ioctl_space_info(root, argp);
return btrfs_ioctl_space_info(fs_info, argp);
case BTRFS_IOC_SYNC: {
int ret;
@ -5617,19 +5611,19 @@ long btrfs_ioctl(struct file *file, unsigned int
case BTRFS_IOC_START_SYNC:
return btrfs_ioctl_start_sync(root, argp);
case BTRFS_IOC_WAIT_SYNC:
return btrfs_ioctl_wait_sync(root, argp);
return btrfs_ioctl_wait_sync(fs_info, argp);
case BTRFS_IOC_SCRUB:
return btrfs_ioctl_scrub(file, argp);
case BTRFS_IOC_SCRUB_CANCEL:
return btrfs_ioctl_scrub_cancel(root, argp);
return btrfs_ioctl_scrub_cancel(fs_info);
case BTRFS_IOC_SCRUB_PROGRESS:
return btrfs_ioctl_scrub_progress(root, argp);
return btrfs_ioctl_scrub_progress(fs_info, argp);
case BTRFS_IOC_BALANCE_V2:
return btrfs_ioctl_balance(file, argp);
case BTRFS_IOC_BALANCE_CTL:
return btrfs_ioctl_balance_ctl(root, arg);
return btrfs_ioctl_balance_ctl(fs_info, arg);
case BTRFS_IOC_BALANCE_PROGRESS:
return btrfs_ioctl_balance_progress(root, argp);
return btrfs_ioctl_balance_progress(fs_info, argp);
case BTRFS_IOC_SET_RECEIVED_SUBVOL:
return btrfs_ioctl_set_received_subvol(file, argp);
#ifdef CONFIG_64BIT
@ -5639,7 +5633,7 @@ long btrfs_ioctl(struct file *file, unsigned int
case BTRFS_IOC_SEND:
return btrfs_ioctl_send(file, argp);
case BTRFS_IOC_GET_DEV_STATS:
return btrfs_ioctl_get_dev_stats(root, argp);
return btrfs_ioctl_get_dev_stats(fs_info, argp);
case BTRFS_IOC_QUOTA_CTL:
return btrfs_ioctl_quota_ctl(file, argp);
case BTRFS_IOC_QGROUP_ASSIGN:
@ -5655,7 +5649,7 @@ long btrfs_ioctl(struct file *file, unsigned int
case BTRFS_IOC_QUOTA_RESCAN_WAIT:
return btrfs_ioctl_quota_rescan_wait(file, argp);
case BTRFS_IOC_DEV_REPLACE:
return btrfs_ioctl_dev_replace(root, argp);
return btrfs_ioctl_dev_replace(fs_info, argp);
case BTRFS_IOC_GET_FSLABEL:
return btrfs_ioctl_get_fslabel(file, argp);
case BTRFS_IOC_SET_FSLABEL:

15
fs/btrfs/print-tree.c
View File

@ -161,9 +161,8 @@ static void print_uuid_item(struct extent_buffer *l, unsigned long offset,
}
}
void btrfs_print_leaf(struct btrfs_root *root, struct extent_buffer *l)
void btrfs_print_leaf(struct btrfs_fs_info *fs_info, struct extent_buffer *l)
{
struct btrfs_fs_info *fs_info = root->fs_info;
int i;
u32 type, nr;
struct btrfs_item *item;
@ -184,7 +183,8 @@ void btrfs_print_leaf(struct btrfs_root *root, struct extent_buffer *l)
nr = btrfs_header_nritems(l);
btrfs_info(fs_info, "leaf %llu total ptrs %d free space %d",
btrfs_header_bytenr(l), nr, btrfs_leaf_free_space(root, l));
btrfs_header_bytenr(l), nr,
btrfs_leaf_free_space(fs_info, l));
for (i = 0 ; i < nr ; i++) {
item = btrfs_item_nr(i);
btrfs_item_key_to_cpu(l, &key, i);
@ -315,9 +315,8 @@ void btrfs_print_leaf(struct btrfs_root *root, struct extent_buffer *l)
}
}
void btrfs_print_tree(struct btrfs_root *root, struct extent_buffer *c)
void btrfs_print_tree(struct btrfs_fs_info *fs_info, struct extent_buffer *c)
{
struct btrfs_fs_info *fs_info = root->fs_info;
int i; u32 nr;
struct btrfs_key key;
int level;
@ -327,7 +326,7 @@ void btrfs_print_tree(struct btrfs_root *root, struct extent_buffer *c)
nr = btrfs_header_nritems(c);
level = btrfs_header_level(c);
if (level == 0) {
btrfs_print_leaf(root, c);
btrfs_print_leaf(fs_info, c);
return;
}
btrfs_info(fs_info,
@ -341,7 +340,7 @@ void btrfs_print_tree(struct btrfs_root *root, struct extent_buffer *c)
btrfs_node_blockptr(c, i));
}
for (i = 0; i < nr; i++) {
struct extent_buffer *next = read_tree_block(root,
struct extent_buffer *next = read_tree_block(fs_info,
btrfs_node_blockptr(c, i),
btrfs_node_ptr_generation(c, i));
if (IS_ERR(next)) {
@ -357,7 +356,7 @@ void btrfs_print_tree(struct btrfs_root *root, struct extent_buffer *c)
if (btrfs_header_level(next) !=
level - 1)
BUG();
btrfs_print_tree(root, next);
btrfs_print_tree(fs_info, next);
free_extent_buffer(next);
}
}

4
fs/btrfs/print-tree.h
View File

@ -18,6 +18,6 @@
#ifndef __PRINT_TREE_
#define __PRINT_TREE_
void btrfs_print_leaf(struct btrfs_root *root, struct extent_buffer *l);
void btrfs_print_tree(struct btrfs_root *root, struct extent_buffer *c);
void btrfs_print_leaf(struct btrfs_fs_info *fs_info, struct extent_buffer *l);
void btrfs_print_tree(struct btrfs_fs_info *fs_info, struct extent_buffer *c);
#endif

5
fs/btrfs/props.c
View File

@ -301,6 +301,7 @@ static int inherit_props(struct btrfs_trans_handle *trans,
struct inode *parent)
{
struct btrfs_root *root = BTRFS_I(inode)->root;
struct btrfs_fs_info *fs_info = root->fs_info;
int ret;
int i;
@ -320,14 +321,14 @@ static int inherit_props(struct btrfs_trans_handle *trans,
if (!value)
continue;
num_bytes = btrfs_calc_trans_metadata_size(root->fs_info, 1);
num_bytes = btrfs_calc_trans_metadata_size(fs_info, 1);
ret = btrfs_block_rsv_add(root, trans->block_rsv,
num_bytes, BTRFS_RESERVE_NO_FLUSH);
if (ret)
goto out;
ret = __btrfs_set_prop(trans, inode, h->xattr_name,
value, strlen(value), 0);
btrfs_block_rsv_release(root, trans->block_rsv, num_bytes);
btrfs_block_rsv_release(fs_info, trans->block_rsv, num_bytes);
if (ret)
goto out;
}

14
fs/btrfs/qgroup.c
View File

@ -1509,8 +1509,7 @@ int btrfs_qgroup_trace_extent(struct btrfs_trans_handle *trans,
record->old_roots = NULL;
spin_lock(&delayed_refs->lock);
ret = btrfs_qgroup_trace_extent_nolock(fs_info, delayed_refs,
record);
ret = btrfs_qgroup_trace_extent_nolock(fs_info, delayed_refs, record);
spin_unlock(&delayed_refs->lock);
if (ret > 0)
kfree(record);
@ -1518,10 +1517,9 @@ int btrfs_qgroup_trace_extent(struct btrfs_trans_handle *trans,
}
int btrfs_qgroup_trace_leaf_items(struct btrfs_trans_handle *trans,
struct btrfs_root *root,
struct btrfs_fs_info *fs_info,
struct extent_buffer *eb)
{
struct btrfs_fs_info *fs_info = root->fs_info;
int nr = btrfs_header_nritems(eb);
int i, extent_type, ret;
struct btrfs_key key;
@ -1645,7 +1643,7 @@ int btrfs_qgroup_trace_subtree(struct btrfs_trans_handle *trans,
}
if (root_level == 0) {
ret = btrfs_qgroup_trace_leaf_items(trans, root, root_eb);
ret = btrfs_qgroup_trace_leaf_items(trans, fs_info, root_eb);
goto out;
}
@ -1683,7 +1681,7 @@ walk_down:
child_bytenr = btrfs_node_blockptr(eb, parent_slot);
child_gen = btrfs_node_ptr_generation(eb, parent_slot);
eb = read_tree_block(root, child_bytenr, child_gen);
eb = read_tree_block(fs_info, child_bytenr, child_gen);
if (IS_ERR(eb)) {
ret = PTR_ERR(eb);
goto out;
@ -1709,8 +1707,8 @@ walk_down:
}
if (level == 0) {
ret = btrfs_qgroup_trace_leaf_items(trans, root,
path->nodes[level]);
ret = btrfs_qgroup_trace_leaf_items(trans,fs_info,
path->nodes[level]);
if (ret)
goto out;

2
fs/btrfs/qgroup.h
View File

@ -129,7 +129,7 @@ int btrfs_qgroup_trace_extent(struct btrfs_trans_handle *trans,
* Return <0 for error(ENOMEM)
*/
int btrfs_qgroup_trace_leaf_items(struct btrfs_trans_handle *trans,
struct btrfs_root *root,
struct btrfs_fs_info *fs_info,
struct extent_buffer *eb);
/*
* Inform qgroup to trace a whole subtree, including all its child tree

26
fs/btrfs/raid56.c
View File

@ -969,8 +969,9 @@ static unsigned long rbio_nr_pages(unsigned long stripe_len, int nr_stripes)
* allocation and initial setup for the btrfs_raid_bio. Not
* this does not allocate any pages for rbio->pages.
*/
static struct btrfs_raid_bio *alloc_rbio(struct btrfs_root *root,
struct btrfs_bio *bbio, u64 stripe_len)
static struct btrfs_raid_bio *alloc_rbio(struct btrfs_fs_info *fs_info,
struct btrfs_bio *bbio,
u64 stripe_len)
{
struct btrfs_raid_bio *rbio;
int nr_data = 0;
@ -991,7 +992,7 @@ static struct btrfs_raid_bio *alloc_rbio(struct btrfs_root *root,
INIT_LIST_HEAD(&rbio->stripe_cache);
INIT_LIST_HEAD(&rbio->hash_list);
rbio->bbio = bbio;
rbio->fs_info = root->fs_info;
rbio->fs_info = fs_info;
rbio->stripe_len = stripe_len;
rbio->nr_pages = num_pages;
rbio->real_stripes = real_stripes;
@ -1734,16 +1735,15 @@ static void btrfs_raid_unplug(struct blk_plug_cb *cb, bool from_schedule)
/*
* our main entry point for writes from the rest of the FS.
*/
int raid56_parity_write(struct btrfs_root *root, struct bio *bio,
int raid56_parity_write(struct btrfs_fs_info *fs_info, struct bio *bio,
struct btrfs_bio *bbio, u64 stripe_len)
{
struct btrfs_fs_info *fs_info = root->fs_info;
struct btrfs_raid_bio *rbio;
struct btrfs_plug_cb *plug = NULL;
struct blk_plug_cb *cb;
int ret;
rbio = alloc_rbio(root, bbio, stripe_len);
rbio = alloc_rbio(fs_info, bbio, stripe_len);
if (IS_ERR(rbio)) {
btrfs_put_bbio(bbio);
return PTR_ERR(rbio);
@ -2113,15 +2113,14 @@ cleanup:
* so we assume the bio they send down corresponds to a failed part
* of the drive.
*/
int raid56_parity_recover(struct btrfs_root *root, struct bio *bio,
int raid56_parity_recover(struct btrfs_fs_info *fs_info, struct bio *bio,
struct btrfs_bio *bbio, u64 stripe_len,
int mirror_num, int generic_io)
{
struct btrfs_fs_info *fs_info = root->fs_info;
struct btrfs_raid_bio *rbio;
int ret;
rbio = alloc_rbio(root, bbio, stripe_len);
rbio = alloc_rbio(fs_info, bbio, stripe_len);
if (IS_ERR(rbio)) {
if (generic_io)
btrfs_put_bbio(bbio);
@ -2203,16 +2202,15 @@ static void read_rebuild_work(struct btrfs_work *work)
*/
struct btrfs_raid_bio *
raid56_parity_alloc_scrub_rbio(struct btrfs_root *root, struct bio *bio,
raid56_parity_alloc_scrub_rbio(struct btrfs_fs_info *fs_info, struct bio *bio,
struct btrfs_bio *bbio, u64 stripe_len,
struct btrfs_device *scrub_dev,
unsigned long *dbitmap, int stripe_nsectors)
{
struct btrfs_fs_info *fs_info = root->fs_info;
struct btrfs_raid_bio *rbio;
int i;
rbio = alloc_rbio(root, bbio, stripe_len);
rbio = alloc_rbio(fs_info, bbio, stripe_len);
if (IS_ERR(rbio))
return NULL;
bio_list_add(&rbio->bio_list, bio);
@ -2653,12 +2651,12 @@ void raid56_parity_submit_scrub_rbio(struct btrfs_raid_bio *rbio)
/* The following code is used for dev replace of a missing RAID 5/6 device. */
struct btrfs_raid_bio *
raid56_alloc_missing_rbio(struct btrfs_root *root, struct bio *bio,
raid56_alloc_missing_rbio(struct btrfs_fs_info *fs_info, struct bio *bio,
struct btrfs_bio *bbio, u64 length)
{
struct btrfs_raid_bio *rbio;
rbio = alloc_rbio(root, bbio, length);
rbio = alloc_rbio(fs_info, bbio, length);
if (IS_ERR(rbio))
return NULL;

8
fs/btrfs/raid56.h
View File

@ -42,24 +42,24 @@ static inline int nr_data_stripes(struct map_lookup *map)
struct btrfs_raid_bio;
struct btrfs_device;
int raid56_parity_recover(struct btrfs_root *root, struct bio *bio,
int raid56_parity_recover(struct btrfs_fs_info *fs_info, struct bio *bio,
struct btrfs_bio *bbio, u64 stripe_len,
int mirror_num, int generic_io);
int raid56_parity_write(struct btrfs_root *root, struct bio *bio,
int raid56_parity_write(struct btrfs_fs_info *fs_info, struct bio *bio,
struct btrfs_bio *bbio, u64 stripe_len);
void raid56_add_scrub_pages(struct btrfs_raid_bio *rbio, struct page *page,
u64 logical);
struct btrfs_raid_bio *
raid56_parity_alloc_scrub_rbio(struct btrfs_root *root, struct bio *bio,
raid56_parity_alloc_scrub_rbio(struct btrfs_fs_info *fs_info, struct bio *bio,
struct btrfs_bio *bbio, u64 stripe_len,
struct btrfs_device *scrub_dev,
unsigned long *dbitmap, int stripe_nsectors);
void raid56_parity_submit_scrub_rbio(struct btrfs_raid_bio *rbio);
struct btrfs_raid_bio *
raid56_alloc_missing_rbio(struct btrfs_root *root, struct bio *bio,
raid56_alloc_missing_rbio(struct btrfs_fs_info *fs_info, struct bio *bio,
struct btrfs_bio *bbio, u64 length);
void raid56_submit_missing_rbio(struct btrfs_raid_bio *rbio);

8
fs/btrfs/reada.c
View File

@ -303,14 +303,13 @@ static struct reada_zone *reada_find_zone(struct btrfs_fs_info *fs_info,
return zone;
}
static struct reada_extent *reada_find_extent(struct btrfs_root *root,
static struct reada_extent *reada_find_extent(struct btrfs_fs_info *fs_info,
u64 logical,
struct btrfs_key *top)
{
int ret;
struct reada_extent *re = NULL;
struct reada_extent *re_exist = NULL;
struct btrfs_fs_info *fs_info = root->fs_info;
struct btrfs_bio *bbio = NULL;
struct btrfs_device *dev;
struct btrfs_device *prev_dev;
@ -549,7 +548,7 @@ static int reada_add_block(struct reada_control *rc, u64 logical,
struct reada_extctl *rec;
/* takes one ref */
re = reada_find_extent(fs_info->tree_root, logical, top);
re = reada_find_extent(fs_info, logical, top);
if (!re)
return -1;
@ -705,8 +704,7 @@ static int reada_start_machine_dev(struct btrfs_fs_info *fs_info,
logical = re->logical;
atomic_inc(&dev->reada_in_flight);
ret = reada_tree_block_flagged(fs_info->extent_root, logical,
mirror_num, &eb);
ret = reada_tree_block_flagged(fs_info, logical, mirror_num, &eb);
if (ret)
__readahead_hook(fs_info, re, NULL, ret);
else if (eb)

78
fs/btrfs/relocation.c
View File

@ -1734,7 +1734,7 @@ int replace_file_extents(struct btrfs_trans_handle *trans,
dirty = 1;
key.offset -= btrfs_file_extent_offset(leaf, fi);
ret = btrfs_inc_extent_ref(trans, root, new_bytenr,
ret = btrfs_inc_extent_ref(trans, fs_info, new_bytenr,
num_bytes, parent,
btrfs_header_owner(leaf),
key.objectid, key.offset);
@ -1743,7 +1743,7 @@ int replace_file_extents(struct btrfs_trans_handle *trans,
break;
}
ret = btrfs_free_extent(trans, root, bytenr, num_bytes,
ret = btrfs_free_extent(trans, fs_info, bytenr, num_bytes,
parent, btrfs_header_owner(leaf),
key.objectid, key.offset);
if (ret) {
@ -1868,7 +1868,7 @@ again:
break;
}
eb = read_tree_block(dest, old_bytenr, old_ptr_gen);
eb = read_tree_block(fs_info, old_bytenr, old_ptr_gen);
if (IS_ERR(eb)) {
ret = PTR_ERR(eb);
break;
@ -1944,21 +1944,21 @@ again:
path->slots[level], old_ptr_gen);
btrfs_mark_buffer_dirty(path->nodes[level]);
ret = btrfs_inc_extent_ref(trans, src, old_bytenr, blocksize,
path->nodes[level]->start,
ret = btrfs_inc_extent_ref(trans, fs_info, old_bytenr,
blocksize, path->nodes[level]->start,
src->root_key.objectid, level - 1, 0);
BUG_ON(ret);
ret = btrfs_inc_extent_ref(trans, dest, new_bytenr, blocksize,
0, dest->root_key.objectid, level - 1,
0);
ret = btrfs_inc_extent_ref(trans, fs_info, new_bytenr,
blocksize, 0, dest->root_key.objectid,
level - 1, 0);
BUG_ON(ret);
ret = btrfs_free_extent(trans, src, new_bytenr, blocksize,
ret = btrfs_free_extent(trans, fs_info, new_bytenr, blocksize,
path->nodes[level]->start,
src->root_key.objectid, level - 1, 0);
BUG_ON(ret);
ret = btrfs_free_extent(trans, dest, old_bytenr, blocksize,
ret = btrfs_free_extent(trans, fs_info, old_bytenr, blocksize,
0, dest->root_key.objectid, level - 1,
0);
BUG_ON(ret);
@ -2017,6 +2017,7 @@ static noinline_for_stack
int walk_down_reloc_tree(struct btrfs_root *root, struct btrfs_path *path,
int *level)
{
struct btrfs_fs_info *fs_info = root->fs_info;
struct extent_buffer *eb = NULL;
int i;
u64 bytenr;
@ -2047,7 +2048,7 @@ int walk_down_reloc_tree(struct btrfs_root *root, struct btrfs_path *path,
}
bytenr = btrfs_node_blockptr(eb, path->slots[i]);
eb = read_tree_block(root, bytenr, ptr_gen);
eb = read_tree_block(fs_info, bytenr, ptr_gen);
if (IS_ERR(eb)) {
return PTR_ERR(eb);
} else if (!extent_buffer_uptodate(eb)) {
@ -2272,7 +2273,7 @@ static noinline_for_stack int merge_reloc_root(struct reloc_control *rc,
btrfs_end_transaction_throttle(trans, root);
trans = NULL;
btrfs_btree_balance_dirty(root);
btrfs_btree_balance_dirty(fs_info);
if (replaced && rc->stage == UPDATE_DATA_PTRS)
invalidate_extent_cache(root, &key, &next_key);
@ -2302,7 +2303,7 @@ out:
if (trans)
btrfs_end_transaction_throttle(trans, root);
btrfs_btree_balance_dirty(root);
btrfs_btree_balance_dirty(fs_info);
if (replaced && rc->stage == UPDATE_DATA_PTRS)
invalidate_extent_cache(root, &key, &next_key);
@ -2338,16 +2339,16 @@ again:
trans = btrfs_join_transaction(rc->extent_root);
if (IS_ERR(trans)) {
if (!err)
btrfs_block_rsv_release(rc->extent_root,
rc->block_rsv, num_bytes);
btrfs_block_rsv_release(fs_info, rc->block_rsv,
num_bytes);
return PTR_ERR(trans);
}
if (!err) {
if (num_bytes != rc->merging_rsv_size) {
btrfs_end_transaction(trans, rc->extent_root);
btrfs_block_rsv_release(rc->extent_root,
rc->block_rsv, num_bytes);
btrfs_block_rsv_release(fs_info, rc->block_rsv,
num_bytes);
goto again;
}
}
@ -2698,6 +2699,7 @@ static int do_relocation(struct btrfs_trans_handle *trans,
struct btrfs_key *key,
struct btrfs_path *path, int lowest)
{
struct btrfs_fs_info *fs_info = rc->extent_root->fs_info;
struct backref_node *upper;
struct backref_edge *edge;
struct backref_edge *edges[BTRFS_MAX_LEVEL - 1];
@ -2780,7 +2782,7 @@ static int do_relocation(struct btrfs_trans_handle *trans,
blocksize = root->fs_info->nodesize;
generation = btrfs_node_ptr_generation(upper->eb, slot);
eb = read_tree_block(root, bytenr, generation);
eb = read_tree_block(fs_info, bytenr, generation);
if (IS_ERR(eb)) {
err = PTR_ERR(eb);
goto next;
@ -2809,7 +2811,7 @@ static int do_relocation(struct btrfs_trans_handle *trans,
trans->transid);
btrfs_mark_buffer_dirty(upper->eb);
ret = btrfs_inc_extent_ref(trans, root,
ret = btrfs_inc_extent_ref(trans, root->fs_info,
node->eb->start, blocksize,
upper->eb->start,
btrfs_header_owner(upper->eb),
@ -2939,14 +2941,13 @@ static int tree_block_processed(u64 bytenr, struct reloc_control *rc)
return 0;
}
static int get_tree_block_key(struct reloc_control *rc,
static int get_tree_block_key(struct btrfs_fs_info *fs_info,
struct tree_block *block)
{
struct extent_buffer *eb;
BUG_ON(block->key_ready);
eb = read_tree_block(rc->extent_root, block->bytenr,
block->key.offset);
eb = read_tree_block(fs_info, block->bytenr, block->key.offset);
if (IS_ERR(eb)) {
return PTR_ERR(eb);
} else if (!extent_buffer_uptodate(eb)) {
@ -3025,6 +3026,7 @@ static noinline_for_stack
int relocate_tree_blocks(struct btrfs_trans_handle *trans,
struct reloc_control *rc, struct rb_root *blocks)
{
struct btrfs_fs_info *fs_info = rc->extent_root->fs_info;
struct backref_node *node;
struct btrfs_path *path;
struct tree_block *block;
@ -3042,7 +3044,7 @@ int relocate_tree_blocks(struct btrfs_trans_handle *trans,
while (rb_node) {
block = rb_entry(rb_node, struct tree_block, rb_node);
if (!block->key_ready)
readahead_tree_block(rc->extent_root, block->bytenr);
readahead_tree_block(fs_info, block->bytenr);
rb_node = rb_next(rb_node);
}
@ -3050,7 +3052,7 @@ int relocate_tree_blocks(struct btrfs_trans_handle *trans,
while (rb_node) {
block = rb_entry(rb_node, struct tree_block, rb_node);
if (!block->key_ready) {
err = get_tree_block_key(rc, block);
err = get_tree_block_key(fs_info, block);
if (err)
goto out_free_path;
}
@ -3178,6 +3180,7 @@ int setup_extent_mapping(struct inode *inode, u64 start, u64 end,
static int relocate_file_extent_cluster(struct inode *inode,
struct file_extent_cluster *cluster)
{
struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb);
u64 page_start;
u64 page_end;
u64 offset = BTRFS_I(inode)->index_cnt;
@ -3273,7 +3276,7 @@ static int relocate_file_extent_cluster(struct inode *inode,
index++;
balance_dirty_pages_ratelimited(inode->i_mapping);
btrfs_throttle(BTRFS_I(inode)->root);
btrfs_throttle(fs_info);
}
WARN_ON(nr != cluster->nr);
out:
@ -3502,7 +3505,7 @@ static int block_use_full_backref(struct reloc_control *rc,
btrfs_header_backref_rev(eb) < BTRFS_MIXED_BACKREF_REV)
return 1;
ret = btrfs_lookup_extent_info(NULL, rc->extent_root,
ret = btrfs_lookup_extent_info(NULL, rc->extent_root->fs_info,
eb->start, btrfs_header_level(eb), 1,
NULL, &flags);
BUG_ON(ret);
@ -3539,7 +3542,7 @@ static int delete_block_group_cache(struct btrfs_fs_info *fs_info,
}
truncate:
ret = btrfs_check_trunc_cache_free_space(root,
ret = btrfs_check_trunc_cache_free_space(fs_info,
&fs_info->global_block_rsv);
if (ret)
goto out;
@ -3553,7 +3556,7 @@ truncate:
ret = btrfs_truncate_free_space_cache(root, trans, block_group, inode);
btrfs_end_transaction(trans, root);
btrfs_btree_balance_dirty(root);
btrfs_btree_balance_dirty(fs_info);
out:
iput(inode);
return ret;
@ -3951,7 +3954,7 @@ int prepare_to_relocate(struct reloc_control *rc)
struct btrfs_trans_handle *trans;
int ret;
rc->block_rsv = btrfs_alloc_block_rsv(rc->extent_root,
rc->block_rsv = btrfs_alloc_block_rsv(rc->extent_root->fs_info,
BTRFS_BLOCK_RSV_TEMP);
if (!rc->block_rsv)
return -ENOMEM;
@ -3989,6 +3992,7 @@ int prepare_to_relocate(struct reloc_control *rc)
static noinline_for_stack int relocate_block_group(struct reloc_control *rc)
{
struct btrfs_fs_info *fs_info = rc->extent_root->fs_info;
struct rb_root blocks = RB_ROOT;
struct btrfs_key key;
struct btrfs_trans_handle *trans = NULL;
@ -4118,7 +4122,7 @@ restart:
}
btrfs_end_transaction_throttle(trans, rc->extent_root);
btrfs_btree_balance_dirty(rc->extent_root);
btrfs_btree_balance_dirty(fs_info);
trans = NULL;
if (rc->stage == MOVE_DATA_EXTENTS &&
@ -4133,7 +4137,7 @@ restart:
}
}
if (trans && progress && err == -ENOSPC) {
ret = btrfs_force_chunk_alloc(trans, rc->extent_root,
ret = btrfs_force_chunk_alloc(trans, fs_info,
rc->block_group->flags);
if (ret == 1) {
err = 0;
@ -4147,7 +4151,7 @@ restart:
if (trans) {
btrfs_end_transaction_throttle(trans, rc->extent_root);
btrfs_btree_balance_dirty(rc->extent_root);
btrfs_btree_balance_dirty(fs_info);
}
if (!err) {
@ -4161,7 +4165,7 @@ restart:
set_reloc_control(rc);
backref_cache_cleanup(&rc->backref_cache);
btrfs_block_rsv_release(rc->extent_root, rc->block_rsv, (u64)-1);
btrfs_block_rsv_release(fs_info, rc->block_rsv, (u64)-1);
err = prepare_to_merge(rc, err);
@ -4169,7 +4173,7 @@ restart:
rc->merge_reloc_tree = 0;
unset_reloc_control(rc);
btrfs_block_rsv_release(rc->extent_root, rc->block_rsv, (u64)-1);
btrfs_block_rsv_release(fs_info, rc->block_rsv, (u64)-1);
/* get rid of pinned extents */
trans = btrfs_join_transaction(rc->extent_root);
@ -4179,7 +4183,7 @@ restart:
}
btrfs_commit_transaction(trans, rc->extent_root);
out_free:
btrfs_free_block_rsv(rc->extent_root, rc->block_rsv);
btrfs_free_block_rsv(fs_info, rc->block_rsv);
btrfs_free_path(path);
return err;
}
@ -4254,7 +4258,7 @@ struct inode *create_reloc_inode(struct btrfs_fs_info *fs_info,
err = btrfs_orphan_add(trans, inode);
out:
btrfs_end_transaction(trans, root);
btrfs_btree_balance_dirty(root);
btrfs_btree_balance_dirty(fs_info);
if (err) {
if (inode)
iput(inode);
@ -4414,7 +4418,7 @@ int btrfs_relocate_block_group(struct btrfs_fs_info *fs_info, u64 group_start)
WARN_ON(btrfs_block_group_used(&rc->block_group->item) > 0);
out:
if (err && rw)
btrfs_dec_block_group_ro(extent_root, rc->block_group);
btrfs_dec_block_group_ro(rc->block_group);
iput(rc->data_inode);
btrfs_put_block_group(rc->block_group);
kfree(rc);

2
fs/btrfs/root-tree.c
View File

@ -151,7 +151,7 @@ int btrfs_update_root(struct btrfs_trans_handle *trans, struct btrfs_root
}
if (ret != 0) {
btrfs_print_leaf(root, path->nodes[0]);
btrfs_print_leaf(fs_info, path->nodes[0]);
btrfs_crit(fs_info, "unable to update root key %llu %u %llu",
key->objectid, key->type, key->offset);
BUG_ON(1);

21
fs/btrfs/scrub.c
View File

@ -1450,7 +1450,7 @@ static int scrub_submit_raid56_bio_wait(struct btrfs_fs_info *fs_info,
bio->bi_private = &done;
bio->bi_end_io = scrub_bio_wait_endio;
ret = raid56_parity_recover(fs_info->fs_root, bio, page->recover->bbio,
ret = raid56_parity_recover(fs_info, bio, page->recover->bbio,
page->recover->map_length,
page->mirror_num, 0);
if (ret)
@ -2181,7 +2181,6 @@ static void scrub_missing_raid56_pages(struct scrub_block *sblock)
{
struct scrub_ctx *sctx = sblock->sctx;
struct btrfs_fs_info *fs_info = sctx->fs_info;
struct btrfs_root *dev_root = fs_info->dev_root;
u64 length = sblock->page_count * PAGE_SIZE;
u64 logical = sblock->pagev[0]->logical;
struct btrfs_bio *bbio = NULL;
@ -2214,7 +2213,7 @@ static void scrub_missing_raid56_pages(struct scrub_block *sblock)
bio->bi_private = sblock;
bio->bi_end_io = scrub_missing_raid56_end_io;
rbio = raid56_alloc_missing_rbio(dev_root, bio, bbio, length);
rbio = raid56_alloc_missing_rbio(fs_info, bio, bbio, length);
if (!rbio)
goto rbio_out;
@ -2766,7 +2765,6 @@ static void scrub_parity_check_and_repair(struct scrub_parity *sparity)
{
struct scrub_ctx *sctx = sparity->sctx;
struct btrfs_fs_info *fs_info = sctx->fs_info;
struct btrfs_root *dev_root = fs_info->dev_root;
struct bio *bio;
struct btrfs_raid_bio *rbio;
struct scrub_page *spage;
@ -2792,7 +2790,7 @@ static void scrub_parity_check_and_repair(struct scrub_parity *sparity)
bio->bi_private = sparity;
bio->bi_end_io = scrub_parity_bio_endio;
rbio = raid56_parity_alloc_scrub_rbio(dev_root, bio, bbio,
rbio = raid56_parity_alloc_scrub_rbio(fs_info, bio, bbio,
length, sparity->scrub_dev,
sparity->dbitmap,
sparity->nsectors);
@ -3694,7 +3692,7 @@ int scrub_enumerate_chunks(struct scrub_ctx *sctx,
btrfs_dev_replace_unlock(&fs_info->dev_replace, 1);
if (ro_set)
btrfs_dec_block_group_ro(root, cache);
btrfs_dec_block_group_ro(cache);
/*
* We might have prevented the cleaner kthread from deleting
@ -3980,10 +3978,8 @@ int btrfs_scrub_dev(struct btrfs_fs_info *fs_info, u64 devid, u64 start,
return ret;
}
void btrfs_scrub_pause(struct btrfs_root *root)
void btrfs_scrub_pause(struct btrfs_fs_info *fs_info)
{
struct btrfs_fs_info *fs_info = root->fs_info;
mutex_lock(&fs_info->scrub_lock);
atomic_inc(&fs_info->scrub_pause_req);
while (atomic_read(&fs_info->scrubs_paused) !=
@ -3997,10 +3993,8 @@ void btrfs_scrub_pause(struct btrfs_root *root)
mutex_unlock(&fs_info->scrub_lock);
}
void btrfs_scrub_continue(struct btrfs_root *root)
void btrfs_scrub_continue(struct btrfs_fs_info *fs_info)
{
struct btrfs_fs_info *fs_info = root->fs_info;
atomic_dec(&fs_info->scrub_pause_req);
wake_up(&fs_info->scrub_pause_wait);
}
@ -4049,10 +4043,9 @@ int btrfs_scrub_cancel_dev(struct btrfs_fs_info *fs_info,
return 0;
}
int btrfs_scrub_progress(struct btrfs_root *root, u64 devid,
int btrfs_scrub_progress(struct btrfs_fs_info *fs_info, u64 devid,
struct btrfs_scrub_progress *progress)
{
struct btrfs_fs_info *fs_info = root->fs_info;
struct btrfs_device *dev;
struct scrub_ctx *sctx = NULL;

5
fs/btrfs/send.c
View File

@ -3435,6 +3435,7 @@ static int wait_for_dest_dir_move(struct send_ctx *sctx,
struct recorded_ref *parent_ref,
const bool is_orphan)
{
struct btrfs_fs_info *fs_info = sctx->parent_root->fs_info;
struct btrfs_path *path;
struct btrfs_key key;
struct btrfs_key di_key;
@ -3463,8 +3464,8 @@ static int wait_for_dest_dir_move(struct send_ctx *sctx,
goto out;
}
di = btrfs_match_dir_item_name(sctx->parent_root, path,
parent_ref->name, parent_ref->name_len);
di = btrfs_match_dir_item_name(fs_info, path, parent_ref->name,
parent_ref->name_len);
if (!di) {
ret = 0;
goto out;

5
fs/btrfs/super.c
View File

@ -396,10 +396,9 @@ static const match_table_t tokens = {
* reading in a new superblock is parsed here.
* XXX JDM: This needs to be cleaned up for remount.
*/
int btrfs_parse_options(struct btrfs_root *root, char *options,
int btrfs_parse_options(struct btrfs_fs_info *info, char *options,
unsigned long new_flags)
{
struct btrfs_fs_info *info = root->fs_info;
substring_t args[MAX_OPT_ARGS];
char *p, *num, *orig = NULL;
u64 cache_gen;
@ -1733,7 +1732,7 @@ static int btrfs_remount(struct super_block *sb, int *flags, char *data)
}
}
ret = btrfs_parse_options(root, data, *flags);
ret = btrfs_parse_options(fs_info, data, *flags);
if (ret) {
ret = -EINVAL;
goto restore;

172
fs/btrfs/transaction.c
View File

@ -184,10 +184,10 @@ static inline int extwriter_counter_read(struct btrfs_transaction *trans)
/*
* either allocate a new transaction or hop into the existing one
*/
static noinline int join_transaction(struct btrfs_root *root, unsigned int type)
static noinline int join_transaction(struct btrfs_fs_info *fs_info,
unsigned int type)
{
struct btrfs_transaction *cur_trans;
struct btrfs_fs_info *fs_info = root->fs_info;
spin_lock(&fs_info->trans_lock);
loop:
@ -425,9 +425,8 @@ static inline int is_transaction_blocked(struct btrfs_transaction *trans)
* when this is done, it is safe to start a new transaction, but the current
* transaction might not be fully on disk.
*/
static void wait_current_trans(struct btrfs_root *root)
static void wait_current_trans(struct btrfs_fs_info *fs_info)
{
struct btrfs_fs_info *fs_info = root->fs_info;
struct btrfs_transaction *cur_trans;
spin_lock(&fs_info->trans_lock);
@ -445,10 +444,8 @@ static void wait_current_trans(struct btrfs_root *root)
}
}
static int may_wait_transaction(struct btrfs_root *root, int type)
static int may_wait_transaction(struct btrfs_fs_info *fs_info, int type)
{
struct btrfs_fs_info *fs_info = root->fs_info;
if (test_bit(BTRFS_FS_LOG_RECOVERING, &fs_info->flags))
return 0;
@ -548,13 +545,13 @@ again:
if (type & __TRANS_FREEZABLE)
sb_start_intwrite(fs_info->sb);
if (may_wait_transaction(root, type))
wait_current_trans(root);
if (may_wait_transaction(fs_info, type))
wait_current_trans(fs_info);
do {
ret = join_transaction(root, type);
ret = join_transaction(fs_info, type);
if (ret == -EBUSY) {
wait_current_trans(root);
wait_current_trans(fs_info);
if (unlikely(type == TRANS_ATTACH))
ret = -ENOENT;
}
@ -578,7 +575,7 @@ again:
smp_mb();
if (cur_trans->state >= TRANS_STATE_BLOCKED &&
may_wait_transaction(root, type)) {
may_wait_transaction(fs_info, type)) {
current->journal_info = h;
btrfs_commit_transaction(h, root);
goto again;
@ -605,7 +602,7 @@ join_fail:
kmem_cache_free(btrfs_trans_handle_cachep, h);
alloc_fail:
if (num_bytes)
btrfs_block_rsv_release(root, &fs_info->trans_block_rsv,
btrfs_block_rsv_release(fs_info, &fs_info->trans_block_rsv,
num_bytes);
reserve_fail:
btrfs_qgroup_free_meta(root, qgroup_reserved);
@ -712,21 +709,19 @@ btrfs_attach_transaction_barrier(struct btrfs_root *root)
trans = start_transaction(root, 0, TRANS_ATTACH,
BTRFS_RESERVE_NO_FLUSH);
if (IS_ERR(trans) && PTR_ERR(trans) == -ENOENT)
btrfs_wait_for_commit(root, 0);
btrfs_wait_for_commit(root->fs_info, 0);
return trans;
}
/* wait for a transaction commit to be fully complete */
static noinline void wait_for_commit(struct btrfs_root *root,
struct btrfs_transaction *commit)
static noinline void wait_for_commit(struct btrfs_transaction *commit)
{
wait_event(commit->commit_wait, commit->state == TRANS_STATE_COMPLETED);
}
int btrfs_wait_for_commit(struct btrfs_root *root, u64 transid)
int btrfs_wait_for_commit(struct btrfs_fs_info *fs_info, u64 transid)
{
struct btrfs_fs_info *fs_info = root->fs_info;
struct btrfs_transaction *cur_trans = NULL, *t;
int ret = 0;
@ -777,35 +772,33 @@ int btrfs_wait_for_commit(struct btrfs_root *root, u64 transid)
goto out; /* nothing committing|committed */
}
wait_for_commit(root, cur_trans);
wait_for_commit(cur_trans);
btrfs_put_transaction(cur_trans);
out:
return ret;
}
void btrfs_throttle(struct btrfs_root *root)
void btrfs_throttle(struct btrfs_fs_info *fs_info)
{
struct btrfs_fs_info *fs_info = root->fs_info;
if (!atomic_read(&fs_info->open_ioctl_trans))
wait_current_trans(root);
wait_current_trans(fs_info);
}
static int should_end_transaction(struct btrfs_trans_handle *trans,
struct btrfs_root *root)
static int should_end_transaction(struct btrfs_trans_handle *trans)
{
struct btrfs_fs_info *fs_info = root->fs_info;
struct btrfs_fs_info *fs_info = trans->fs_info;
if (fs_info->global_block_rsv.space_info->full &&
btrfs_check_space_for_delayed_refs(trans, root))
btrfs_check_space_for_delayed_refs(trans, fs_info))
return 1;
return !!btrfs_block_rsv_check(root, &fs_info->global_block_rsv, 5);
return !!btrfs_block_rsv_check(&fs_info->global_block_rsv, 5);
}
int btrfs_should_end_transaction(struct btrfs_trans_handle *trans,
struct btrfs_root *root)
{
struct btrfs_fs_info *fs_info = root->fs_info;
struct btrfs_transaction *cur_trans = trans->transaction;
int updates;
int err;
@ -818,12 +811,12 @@ int btrfs_should_end_transaction(struct btrfs_trans_handle *trans,
updates = trans->delayed_ref_updates;
trans->delayed_ref_updates = 0;
if (updates) {
err = btrfs_run_delayed_refs(trans, root, updates * 2);
err = btrfs_run_delayed_refs(trans, fs_info, updates * 2);
if (err) /* Error code will also eval true */
return err;
}
return should_end_transaction(trans, root);
return should_end_transaction(trans);
}
static int __btrfs_end_transaction(struct btrfs_trans_handle *trans,
@ -843,16 +836,16 @@ static int __btrfs_end_transaction(struct btrfs_trans_handle *trans,
return 0;
}
btrfs_trans_release_metadata(trans, root);
btrfs_trans_release_metadata(trans, info);
trans->block_rsv = NULL;
if (!list_empty(&trans->new_bgs))
btrfs_create_pending_block_groups(trans, root);
btrfs_create_pending_block_groups(trans, info);
trans->delayed_ref_updates = 0;
if (!trans->sync) {
must_run_delayed_refs =
btrfs_should_throttle_delayed_refs(trans, root);
btrfs_should_throttle_delayed_refs(trans, info);
cur = max_t(unsigned long, cur, 32);
/*
@ -864,16 +857,16 @@ static int __btrfs_end_transaction(struct btrfs_trans_handle *trans,
must_run_delayed_refs = 2;
}
btrfs_trans_release_metadata(trans, root);
btrfs_trans_release_metadata(trans, info);
trans->block_rsv = NULL;
if (!list_empty(&trans->new_bgs))
btrfs_create_pending_block_groups(trans, root);
btrfs_create_pending_block_groups(trans, info);
btrfs_trans_release_chunk_metadata(trans);
if (lock && !atomic_read(&info->open_ioctl_trans) &&
should_end_transaction(trans, root) &&
should_end_transaction(trans) &&
ACCESS_ONCE(cur_trans->state) == TRANS_STATE_RUNNING) {
spin_lock(&info->trans_lock);
if (cur_trans->state == TRANS_STATE_RUNNING)
@ -908,7 +901,7 @@ static int __btrfs_end_transaction(struct btrfs_trans_handle *trans,
current->journal_info = NULL;
if (throttle)
btrfs_run_delayed_iputs(root);
btrfs_run_delayed_iputs(info);
if (trans->aborted ||
test_bit(BTRFS_FS_STATE_ERROR, &info->fs_state)) {
@ -919,7 +912,7 @@ static int __btrfs_end_transaction(struct btrfs_trans_handle *trans,
kmem_cache_free(btrfs_trans_handle_cachep, trans);
if (must_run_delayed_refs) {
btrfs_async_run_delayed_refs(root, cur, transid,
btrfs_async_run_delayed_refs(info, cur, transid,
must_run_delayed_refs == 1);
}
return err;
@ -942,12 +935,11 @@ int btrfs_end_transaction_throttle(struct btrfs_trans_handle *trans,
* them in one of two extent_io trees. This is used to make sure all of
* those extents are sent to disk but does not wait on them
*/
int btrfs_write_marked_extents(struct btrfs_root *root,
int btrfs_write_marked_extents(struct btrfs_fs_info *fs_info,
struct extent_io_tree *dirty_pages, int mark)
{
int err = 0;
int werr = 0;
struct btrfs_fs_info *fs_info = root->fs_info;
struct address_space *mapping = fs_info->btree_inode->i_mapping;
struct extent_state *cached_state = NULL;
u64 start = 0;
@ -1068,7 +1060,7 @@ static int btrfs_write_and_wait_marked_extents(struct btrfs_root *root,
struct blk_plug plug;
blk_start_plug(&plug);
ret = btrfs_write_marked_extents(root, dirty_pages, mark);
ret = btrfs_write_marked_extents(root->fs_info, dirty_pages, mark);
blk_finish_plug(&plug);
ret2 = btrfs_wait_marked_extents(root, dirty_pages, mark);
@ -1080,7 +1072,7 @@ static int btrfs_write_and_wait_marked_extents(struct btrfs_root *root,
}
static int btrfs_write_and_wait_transaction(struct btrfs_trans_handle *trans,
struct btrfs_root *root)
struct btrfs_root *root)
{
int ret;
@ -1140,9 +1132,8 @@ static int update_cowonly_root(struct btrfs_trans_handle *trans,
* to clean up the delayed refs.
*/
static noinline int commit_cowonly_roots(struct btrfs_trans_handle *trans,
struct btrfs_root *root)
struct btrfs_fs_info *fs_info)
{
struct btrfs_fs_info *fs_info = root->fs_info;
struct list_head *dirty_bgs = &trans->transaction->dirty_bgs;
struct list_head *io_bgs = &trans->transaction->io_bgs;
struct list_head *next;
@ -1158,7 +1149,7 @@ static noinline int commit_cowonly_roots(struct btrfs_trans_handle *trans,
if (ret)
return ret;
ret = btrfs_run_delayed_refs(trans, root, (unsigned long)-1);
ret = btrfs_run_delayed_refs(trans, fs_info, (unsigned long)-1);
if (ret)
return ret;
@ -1172,16 +1163,17 @@ static noinline int commit_cowonly_roots(struct btrfs_trans_handle *trans,
if (ret)
return ret;
ret = btrfs_setup_space_cache(trans, root);
ret = btrfs_setup_space_cache(trans, fs_info);
if (ret)
return ret;
/* run_qgroups might have added some more refs */
ret = btrfs_run_delayed_refs(trans, root, (unsigned long)-1);
ret = btrfs_run_delayed_refs(trans, fs_info, (unsigned long)-1);
if (ret)
return ret;
again:
while (!list_empty(&fs_info->dirty_cowonly_roots)) {
struct btrfs_root *root;
next = fs_info->dirty_cowonly_roots.next;
list_del_init(next);
root = list_entry(next, struct btrfs_root, dirty_list);
@ -1193,16 +1185,16 @@ again:
ret = update_cowonly_root(trans, root);
if (ret)
return ret;
ret = btrfs_run_delayed_refs(trans, root, (unsigned long)-1);
ret = btrfs_run_delayed_refs(trans, fs_info, (unsigned long)-1);
if (ret)
return ret;
}
while (!list_empty(dirty_bgs) || !list_empty(io_bgs)) {
ret = btrfs_write_dirty_block_groups(trans, root);
ret = btrfs_write_dirty_block_groups(trans, fs_info);
if (ret)
return ret;
ret = btrfs_run_delayed_refs(trans, root, (unsigned long)-1);
ret = btrfs_run_delayed_refs(trans, fs_info, (unsigned long)-1);
if (ret)
return ret;
}
@ -1309,7 +1301,7 @@ int btrfs_defrag_root(struct btrfs_root *root)
ret = btrfs_defrag_leaves(trans, root);
btrfs_end_transaction(trans, root);
btrfs_btree_balance_dirty(info->tree_root);
btrfs_btree_balance_dirty(info);
cond_resched();
if (btrfs_fs_closing(info) || ret != -EAGAIN)
@ -1388,7 +1380,7 @@ static int qgroup_account_snapshot(struct btrfs_trans_handle *trans,
* like chunk and root tree, as they won't affect qgroup.
* And we don't write super to avoid half committed status.
*/
ret = commit_cowonly_roots(trans, src);
ret = commit_cowonly_roots(trans, fs_info);
if (ret)
goto out;
switch_commit_roots(trans->transaction, fs_info);
@ -1515,7 +1507,7 @@ static noinline int create_pending_snapshot(struct btrfs_trans_handle *trans,
* otherwise we corrupt the FS during
* snapshot
*/
ret = btrfs_run_delayed_items(trans, root);
ret = btrfs_run_delayed_items(trans, fs_info);
if (ret) { /* Transaction aborted */
btrfs_abort_transaction(trans, ret);
goto fail;
@ -1611,7 +1603,7 @@ static noinline int create_pending_snapshot(struct btrfs_trans_handle *trans,
goto fail;
}
ret = btrfs_run_delayed_refs(trans, root, (unsigned long)-1);
ret = btrfs_run_delayed_refs(trans, fs_info, (unsigned long)-1);
if (ret) {
btrfs_abort_transaction(trans, ret);
goto fail;
@ -1665,7 +1657,7 @@ static noinline int create_pending_snapshot(struct btrfs_trans_handle *trans,
}
}
ret = btrfs_run_delayed_refs(trans, root, (unsigned long)-1);
ret = btrfs_run_delayed_refs(trans, fs_info, (unsigned long)-1);
if (ret) {
btrfs_abort_transaction(trans, ret);
goto fail;
@ -1706,9 +1698,8 @@ static noinline int create_pending_snapshots(struct btrfs_trans_handle *trans,
return ret;
}
static void update_super_roots(struct btrfs_root *root)
static void update_super_roots(struct btrfs_fs_info *fs_info)
{
struct btrfs_fs_info *fs_info = root->fs_info;
struct btrfs_root_item *root_item;
struct btrfs_super_block *super;
@ -1759,24 +1750,23 @@ int btrfs_transaction_blocked(struct btrfs_fs_info *info)
* wait for the current transaction commit to start and block subsequent
* transaction joins
*/
static void wait_current_trans_commit_start(struct btrfs_root *root,
static void wait_current_trans_commit_start(struct btrfs_fs_info *fs_info,
struct btrfs_transaction *trans)
{
wait_event(root->fs_info->transaction_blocked_wait,
trans->state >= TRANS_STATE_COMMIT_START ||
trans->aborted);
wait_event(fs_info->transaction_blocked_wait,
trans->state >= TRANS_STATE_COMMIT_START || trans->aborted);
}
/*
* wait for the current transaction to start and then become unblocked.
* caller holds ref.
*/
static void wait_current_trans_commit_start_and_unblock(struct btrfs_root *root,
struct btrfs_transaction *trans)
static void wait_current_trans_commit_start_and_unblock(
struct btrfs_fs_info *fs_info,
struct btrfs_transaction *trans)
{
wait_event(root->fs_info->transaction_wait,
trans->state >= TRANS_STATE_UNBLOCKED ||
trans->aborted);
wait_event(fs_info->transaction_wait,
trans->state >= TRANS_STATE_UNBLOCKED || trans->aborted);
}
/*
@ -1845,9 +1835,9 @@ int btrfs_commit_transaction_async(struct btrfs_trans_handle *trans,
/* wait for transaction to start and unblock */
if (wait_for_unblock)
wait_current_trans_commit_start_and_unblock(root, cur_trans);
wait_current_trans_commit_start_and_unblock(fs_info, cur_trans);
else
wait_current_trans_commit_start(root, cur_trans);
wait_current_trans_commit_start(fs_info, cur_trans);
if (current->journal_info == trans)
current->journal_info = NULL;
@ -1888,7 +1878,7 @@ static void cleanup_transaction(struct btrfs_trans_handle *trans,
}
spin_unlock(&fs_info->trans_lock);
btrfs_cleanup_one_transaction(trans->transaction, root);
btrfs_cleanup_one_transaction(trans->transaction, fs_info);
spin_lock(&fs_info->trans_lock);
if (cur_trans == fs_info->running_transaction)
@ -1947,13 +1937,13 @@ int btrfs_commit_transaction(struct btrfs_trans_handle *trans,
/* make a pass through all the delayed refs we have so far
* any runnings procs may add more while we are here
*/
ret = btrfs_run_delayed_refs(trans, root, 0);
ret = btrfs_run_delayed_refs(trans, fs_info, 0);
if (ret) {
btrfs_end_transaction(trans, root);
return ret;
}
btrfs_trans_release_metadata(trans, root);
btrfs_trans_release_metadata(trans, fs_info);
trans->block_rsv = NULL;
cur_trans = trans->transaction;
@ -1966,9 +1956,9 @@ int btrfs_commit_transaction(struct btrfs_trans_handle *trans,
smp_wmb();
if (!list_empty(&trans->new_bgs))
btrfs_create_pending_block_groups(trans, root);
btrfs_create_pending_block_groups(trans, fs_info);
ret = btrfs_run_delayed_refs(trans, root, 0);
ret = btrfs_run_delayed_refs(trans, fs_info, 0);
if (ret) {
btrfs_end_transaction(trans, root);
return ret;
@ -1997,7 +1987,7 @@ int btrfs_commit_transaction(struct btrfs_trans_handle *trans,
mutex_unlock(&fs_info->ro_block_group_mutex);
if (run_it)
ret = btrfs_start_dirty_block_groups(trans, root);
ret = btrfs_start_dirty_block_groups(trans, fs_info);
}
if (ret) {
btrfs_end_transaction(trans, root);
@ -2010,7 +2000,7 @@ int btrfs_commit_transaction(struct btrfs_trans_handle *trans,
atomic_inc(&cur_trans->use_count);
ret = btrfs_end_transaction(trans, root);
wait_for_commit(root, cur_trans);
wait_for_commit(cur_trans);
if (unlikely(cur_trans->aborted))
ret = cur_trans->aborted;
@ -2030,7 +2020,7 @@ int btrfs_commit_transaction(struct btrfs_trans_handle *trans,
atomic_inc(&prev_trans->use_count);
spin_unlock(&fs_info->trans_lock);
wait_for_commit(root, prev_trans);
wait_for_commit(prev_trans);
ret = prev_trans->aborted;
btrfs_put_transaction(prev_trans);
@ -2049,7 +2039,7 @@ int btrfs_commit_transaction(struct btrfs_trans_handle *trans,
if (ret)
goto cleanup_transaction;
ret = btrfs_run_delayed_items(trans, root);
ret = btrfs_run_delayed_items(trans, fs_info);
if (ret)
goto cleanup_transaction;
@ -2057,7 +2047,7 @@ int btrfs_commit_transaction(struct btrfs_trans_handle *trans,
extwriter_counter_read(cur_trans) == 0);
/* some pending stuffs might be added after the previous flush. */
ret = btrfs_run_delayed_items(trans, root);
ret = btrfs_run_delayed_items(trans, fs_info);
if (ret)
goto cleanup_transaction;
@ -2065,7 +2055,7 @@ int btrfs_commit_transaction(struct btrfs_trans_handle *trans,
btrfs_wait_pending_ordered(cur_trans);
btrfs_scrub_pause(root);
btrfs_scrub_pause(fs_info);
/*
* Ok now we need to make sure to block out any other joins while we
* commit the transaction. We could have started a join before setting
@ -2110,13 +2100,13 @@ int btrfs_commit_transaction(struct btrfs_trans_handle *trans,
* because all the tree which are snapshoted will be forced to COW
* the nodes and leaves.
*/
ret = btrfs_run_delayed_items(trans, root);
ret = btrfs_run_delayed_items(trans, fs_info);
if (ret) {
mutex_unlock(&fs_info->reloc_mutex);
goto scrub_continue;
}
ret = btrfs_run_delayed_refs(trans, root, (unsigned long)-1);
ret = btrfs_run_delayed_refs(trans, fs_info, (unsigned long)-1);
if (ret) {
mutex_unlock(&fs_info->reloc_mutex);
goto scrub_continue;
@ -2181,7 +2171,7 @@ int btrfs_commit_transaction(struct btrfs_trans_handle *trans,
goto scrub_continue;
}
ret = commit_cowonly_roots(trans, root);
ret = commit_cowonly_roots(trans, fs_info);
if (ret) {
mutex_unlock(&fs_info->tree_log_mutex);
mutex_unlock(&fs_info->reloc_mutex);
@ -2199,7 +2189,7 @@ int btrfs_commit_transaction(struct btrfs_trans_handle *trans,
goto scrub_continue;
}
btrfs_prepare_extent_commit(trans, root);
btrfs_prepare_extent_commit(trans, fs_info);
cur_trans = fs_info->running_transaction;
@ -2218,7 +2208,7 @@ int btrfs_commit_transaction(struct btrfs_trans_handle *trans,
assert_qgroups_uptodate(trans);
ASSERT(list_empty(&cur_trans->dirty_bgs));
ASSERT(list_empty(&cur_trans->io_bgs));
update_super_roots(root);
update_super_roots(fs_info);
btrfs_set_super_log_root(fs_info->super_copy, 0);
btrfs_set_super_log_root_level(fs_info->super_copy, 0);
@ -2226,7 +2216,7 @@ int btrfs_commit_transaction(struct btrfs_trans_handle *trans,
sizeof(*fs_info->super_copy));
btrfs_update_commit_device_size(fs_info);
btrfs_update_commit_device_bytes_used(root, cur_trans);
btrfs_update_commit_device_bytes_used(fs_info, cur_trans);
clear_bit(BTRFS_FS_LOG1_ERR, &fs_info->flags);
clear_bit(BTRFS_FS_LOG2_ERR, &fs_info->flags);
@ -2249,7 +2239,7 @@ int btrfs_commit_transaction(struct btrfs_trans_handle *trans,
goto scrub_continue;
}
ret = write_ctree_super(trans, root, 0);
ret = write_ctree_super(trans, fs_info, 0);
if (ret) {
mutex_unlock(&fs_info->tree_log_mutex);
goto scrub_continue;
@ -2261,7 +2251,7 @@ int btrfs_commit_transaction(struct btrfs_trans_handle *trans,
*/
mutex_unlock(&fs_info->tree_log_mutex);
btrfs_finish_extent_commit(trans, root);
btrfs_finish_extent_commit(trans, fs_info);
if (test_bit(BTRFS_TRANS_HAVE_FREE_BGS, &cur_trans->flags))
btrfs_clear_space_info_full(fs_info);
@ -2286,7 +2276,7 @@ int btrfs_commit_transaction(struct btrfs_trans_handle *trans,
trace_btrfs_transaction_commit(root);
btrfs_scrub_continue(root);
btrfs_scrub_continue(fs_info);
if (current->journal_info == trans)
current->journal_info = NULL;
@ -2299,14 +2289,14 @@ int btrfs_commit_transaction(struct btrfs_trans_handle *trans,
*/
if (current != fs_info->transaction_kthread &&
current != fs_info->cleaner_kthread && !fs_info->fs_frozen)
btrfs_run_delayed_iputs(root);
btrfs_run_delayed_iputs(fs_info);
return ret;
scrub_continue:
btrfs_scrub_continue(root);
btrfs_scrub_continue(fs_info);
cleanup_transaction:
btrfs_trans_release_metadata(trans, root);
btrfs_trans_release_metadata(trans, fs_info);
btrfs_trans_release_chunk_metadata(trans);
trans->block_rsv = NULL;
btrfs_warn(fs_info, "Skipping commit of aborted transaction.");

6
fs/btrfs/transaction.h
View File

@ -202,7 +202,7 @@ struct btrfs_trans_handle *btrfs_attach_transaction(struct btrfs_root *root);
struct btrfs_trans_handle *btrfs_attach_transaction_barrier(
struct btrfs_root *root);
struct btrfs_trans_handle *btrfs_start_ioctl_transaction(struct btrfs_root *root);
int btrfs_wait_for_commit(struct btrfs_root *root, u64 transid);
int btrfs_wait_for_commit(struct btrfs_fs_info *fs_info, u64 transid);
void btrfs_add_dead_root(struct btrfs_root *root);
int btrfs_defrag_root(struct btrfs_root *root);
@ -216,10 +216,10 @@ int btrfs_end_transaction_throttle(struct btrfs_trans_handle *trans,
struct btrfs_root *root);
int btrfs_should_end_transaction(struct btrfs_trans_handle *trans,
struct btrfs_root *root);
void btrfs_throttle(struct btrfs_root *root);
void btrfs_throttle(struct btrfs_fs_info *fs_info);
int btrfs_record_root_in_trans(struct btrfs_trans_handle *trans,
struct btrfs_root *root);
int btrfs_write_marked_extents(struct btrfs_root *root,
int btrfs_write_marked_extents(struct btrfs_fs_info *fs_info,
struct extent_io_tree *dirty_pages, int mark);
int btrfs_wait_marked_extents(struct btrfs_root *root,
struct extent_io_tree *dirty_pages, int mark);

58
fs/btrfs/tree-log.c
View File

@ -307,12 +307,12 @@ static int process_one_buffer(struct btrfs_root *log,
}
if (wc->pin)
ret = btrfs_pin_extent_for_log_replay(fs_info->extent_root,
eb->start, eb->len);
ret = btrfs_pin_extent_for_log_replay(fs_info, eb->start,
eb->len);
if (!ret && btrfs_buffer_uptodate(eb, gen, 0)) {
if (wc->pin && btrfs_header_level(eb) == 0)
ret = btrfs_exclude_logged_extents(log, eb);
ret = btrfs_exclude_logged_extents(fs_info, eb);
if (wc->write)
btrfs_write_tree_block(eb);
if (wc->wait)
@ -341,6 +341,7 @@ static noinline int overwrite_item(struct btrfs_trans_handle *trans,
struct extent_buffer *eb, int slot,
struct btrfs_key *key)
{
struct btrfs_fs_info *fs_info = root->fs_info;
int ret;
u32 item_size;
u64 saved_i_size = 0;
@ -461,9 +462,9 @@ insert:
found_size = btrfs_item_size_nr(path->nodes[0],
path->slots[0]);
if (found_size > item_size)
btrfs_truncate_item(root, path, item_size, 1);
btrfs_truncate_item(fs_info, path, item_size, 1);
else if (found_size < item_size)
btrfs_extend_item(root, path,
btrfs_extend_item(fs_info, path,
item_size - found_size);
} else if (ret) {
return ret;
@ -708,10 +709,10 @@ static noinline int replay_one_extent(struct btrfs_trans_handle *trans,
* is this extent already allocated in the extent
* allocation tree? If so, just add a reference
*/
ret = btrfs_lookup_data_extent(root, ins.objectid,
ret = btrfs_lookup_data_extent(fs_info, ins.objectid,
ins.offset);
if (ret == 0) {
ret = btrfs_inc_extent_ref(trans, root,
ret = btrfs_inc_extent_ref(trans, fs_info,
ins.objectid, ins.offset,
0, root->root_key.objectid,
key->objectid, offset);
@ -723,7 +724,8 @@ static noinline int replay_one_extent(struct btrfs_trans_handle *trans,
* allocation tree
*/
ret = btrfs_alloc_logged_file_extent(trans,
root, root->root_key.objectid,
fs_info,
root->root_key.objectid,
key->objectid, offset, &ins);
if (ret)
goto out;
@ -843,6 +845,7 @@ static noinline int drop_one_dir_item(struct btrfs_trans_handle *trans,
struct inode *dir,
struct btrfs_dir_item *di)
{
struct btrfs_fs_info *fs_info = root->fs_info;
struct inode *inode;
char *name;
int name_len;
@ -875,7 +878,7 @@ static noinline int drop_one_dir_item(struct btrfs_trans_handle *trans,
if (ret)
goto out;
else
ret = btrfs_run_delayed_items(trans, root);
ret = btrfs_run_delayed_items(trans, fs_info);
out:
kfree(name);
iput(inode);
@ -993,6 +996,7 @@ static inline int __add_inode_ref(struct btrfs_trans_handle *trans,
u64 ref_index, char *name, int namelen,
int *search_done)
{
struct btrfs_fs_info *fs_info = root->fs_info;
int ret;
char *victim_name;
int victim_name_len;
@ -1051,7 +1055,7 @@ again:
kfree(victim_name);
if (ret)
return ret;
ret = btrfs_run_delayed_items(trans, root);
ret = btrfs_run_delayed_items(trans, fs_info);
if (ret)
return ret;
*search_done = 1;
@ -1122,7 +1126,8 @@ again:
victim_name_len);
if (!ret)
ret = btrfs_run_delayed_items(
trans, root);
trans,
fs_info);
}
iput(victim_parent);
kfree(victim_name);
@ -1813,6 +1818,7 @@ static noinline int replay_one_dir_item(struct btrfs_trans_handle *trans,
struct extent_buffer *eb, int slot,
struct btrfs_key *key)
{
struct btrfs_fs_info *fs_info = root->fs_info;
int ret = 0;
u32 item_size = btrfs_item_size_nr(eb, slot);
struct btrfs_dir_item *di;
@ -1825,7 +1831,7 @@ static noinline int replay_one_dir_item(struct btrfs_trans_handle *trans,
ptr_end = ptr + item_size;
while (ptr < ptr_end) {
di = (struct btrfs_dir_item *)ptr;
if (verify_dir_item(root, eb, di))
if (verify_dir_item(fs_info, eb, di))
return -EIO;
name_len = btrfs_dir_name_len(eb, di);
ret = replay_one_name(trans, root, path, eb, di, key);
@ -1980,6 +1986,7 @@ static noinline int check_item_in_log(struct btrfs_trans_handle *trans,
struct inode *dir,
struct btrfs_key *dir_key)
{
struct btrfs_fs_info *fs_info = root->fs_info;
int ret;
struct extent_buffer *eb;
int slot;
@ -2001,7 +2008,7 @@ again:
ptr_end = ptr + item_size;
while (ptr < ptr_end) {
di = (struct btrfs_dir_item *)ptr;
if (verify_dir_item(root, eb, di)) {
if (verify_dir_item(fs_info, eb, di)) {
ret = -EIO;
goto out;
}
@ -2048,7 +2055,7 @@ again:
ret = btrfs_unlink_inode(trans, root, dir, inode,
name, name_len);
if (!ret)
ret = btrfs_run_delayed_items(trans, root);
ret = btrfs_run_delayed_items(trans, fs_info);
kfree(name);
iput(inode);
if (ret)
@ -2440,7 +2447,7 @@ static noinline int walk_down_log_tree(struct btrfs_trans_handle *trans,
parent = path->nodes[*level];
root_owner = btrfs_header_owner(parent);
next = btrfs_find_create_tree_block(root, bytenr);
next = btrfs_find_create_tree_block(fs_info, bytenr);
if (IS_ERR(next))
return PTR_ERR(next);
@ -2469,8 +2476,9 @@ static noinline int walk_down_log_tree(struct btrfs_trans_handle *trans,
WARN_ON(root_owner !=
BTRFS_TREE_LOG_OBJECTID);
ret = btrfs_free_and_pin_reserved_extent(root,
bytenr, blocksize);
ret = btrfs_free_and_pin_reserved_extent(
fs_info, bytenr,
blocksize);
if (ret) {
free_extent_buffer(next);
return ret;
@ -2547,7 +2555,8 @@ static noinline int walk_up_log_tree(struct btrfs_trans_handle *trans,
}
WARN_ON(root_owner != BTRFS_TREE_LOG_OBJECTID);
ret = btrfs_free_and_pin_reserved_extent(root,
ret = btrfs_free_and_pin_reserved_extent(
fs_info,
path->nodes[*level]->start,
path->nodes[*level]->len);
if (ret)
@ -2569,6 +2578,7 @@ static noinline int walk_up_log_tree(struct btrfs_trans_handle *trans,
static int walk_log_tree(struct btrfs_trans_handle *trans,
struct btrfs_root *log, struct walk_control *wc)
{
struct btrfs_fs_info *fs_info = log->fs_info;
int ret = 0;
int wret;
int level;
@ -2617,15 +2627,15 @@ static int walk_log_tree(struct btrfs_trans_handle *trans,
if (trans) {
btrfs_tree_lock(next);
btrfs_set_lock_blocking(next);
clean_tree_block(trans, log->fs_info, next);
clean_tree_block(trans, fs_info, next);
btrfs_wait_tree_block_writeback(next);
btrfs_tree_unlock(next);
}
WARN_ON(log->root_key.objectid !=
BTRFS_TREE_LOG_OBJECTID);
ret = btrfs_free_and_pin_reserved_extent(log, next->start,
next->len);
ret = btrfs_free_and_pin_reserved_extent(fs_info,
next->start, next->len);
if (ret)
goto out;
}
@ -2803,7 +2813,7 @@ int btrfs_sync_log(struct btrfs_trans_handle *trans,
* wait for them until later.
*/
blk_start_plug(&plug);
ret = btrfs_write_marked_extents(log, &log->dirty_log_pages, mark);
ret = btrfs_write_marked_extents(fs_info, &log->dirty_log_pages, mark);
if (ret) {
blk_finish_plug(&plug);
btrfs_abort_transaction(trans, ret);
@ -2911,7 +2921,7 @@ int btrfs_sync_log(struct btrfs_trans_handle *trans,
goto out_wake_log_root;
}
ret = btrfs_write_marked_extents(log_root_tree,
ret = btrfs_write_marked_extents(fs_info,
&log_root_tree->dirty_log_pages,
EXTENT_DIRTY | EXTENT_NEW);
blk_finish_plug(&plug);
@ -2950,7 +2960,7 @@ int btrfs_sync_log(struct btrfs_trans_handle *trans,
* the running transaction open, so a full commit can't hop
* in and cause problems either.
*/
ret = write_ctree_super(trans, fs_info->tree_root, 1);
ret = write_ctree_super(trans, fs_info, 1);
if (ret) {
btrfs_set_log_full_commit(fs_info, trans);
btrfs_abort_transaction(trans, ret);

4
fs/btrfs/uuid-tree.c
View File

@ -133,7 +133,7 @@ int btrfs_uuid_tree_add(struct btrfs_trans_handle *trans,
* An item with that type already exists.
* Extend the item and store the new subid at the end.
*/
btrfs_extend_item(uuid_root, path, sizeof(subid_le));
btrfs_extend_item(fs_info, path, sizeof(subid_le));
eb = path->nodes[0];
slot = path->slots[0];
offset = btrfs_item_ptr_offset(eb, slot);
@ -231,7 +231,7 @@ int btrfs_uuid_tree_rem(struct btrfs_trans_handle *trans,
move_src = offset + sizeof(subid);
move_len = item_size - (move_src - btrfs_item_ptr_offset(eb, slot));
memmove_extent_buffer(eb, move_dst, move_src, move_len);
btrfs_truncate_item(uuid_root, path, item_size - sizeof(subid), 1);
btrfs_truncate_item(fs_info, path, item_size - sizeof(subid), 1);
out:
btrfs_free_path(path);

159
fs/btrfs/volumes.c
View File

@ -134,9 +134,9 @@ const int btrfs_raid_mindev_error[BTRFS_NR_RAID_TYPES] = {
};
static int init_first_rw_device(struct btrfs_trans_handle *trans,
struct btrfs_root *root,
struct btrfs_fs_info *fs_info,
struct btrfs_device *device);
static int btrfs_relocate_sys_chunks(struct btrfs_root *root);
static int btrfs_relocate_sys_chunks(struct btrfs_fs_info *fs_info);
static void __btrfs_reset_dev_stats(struct btrfs_device *dev);
static void btrfs_dev_stat_print_on_error(struct btrfs_device *dev);
static void btrfs_dev_stat_print_on_load(struct btrfs_device *device);
@ -1852,9 +1852,8 @@ void btrfs_assign_next_active_device(struct btrfs_fs_info *fs_info,
fs_info->fs_devices->latest_bdev = next_device->bdev;
}
int btrfs_rm_device(struct btrfs_root *root, char *device_path, u64 devid)
int btrfs_rm_device(struct btrfs_fs_info *fs_info, char *device_path, u64 devid)
{
struct btrfs_fs_info *fs_info = root->fs_info;
struct btrfs_device *device;
struct btrfs_fs_devices *cur_devices;
u64 num_devices;
@ -1875,8 +1874,8 @@ int btrfs_rm_device(struct btrfs_root *root, char *device_path, u64 devid)
if (ret)
goto out;
ret = btrfs_find_device_by_devspec(root, devid, device_path,
&device);
ret = btrfs_find_device_by_devspec(fs_info, devid, device_path,
&device);
if (ret)
goto out;
@ -2092,10 +2091,10 @@ void btrfs_destroy_dev_replace_tgtdev(struct btrfs_fs_info *fs_info,
call_rcu(&tgtdev->rcu, free_device);
}
static int btrfs_find_device_by_path(struct btrfs_root *root, char *device_path,
static int btrfs_find_device_by_path(struct btrfs_fs_info *fs_info,
char *device_path,
struct btrfs_device **device)
{
struct btrfs_fs_info *fs_info = root->fs_info;
int ret = 0;
struct btrfs_super_block *disk_super;
u64 devid;
@ -2119,12 +2118,10 @@ static int btrfs_find_device_by_path(struct btrfs_root *root, char *device_path,
return ret;
}
int btrfs_find_device_missing_or_by_path(struct btrfs_root *root,
int btrfs_find_device_missing_or_by_path(struct btrfs_fs_info *fs_info,
char *device_path,
struct btrfs_device **device)
{
struct btrfs_fs_info *fs_info = root->fs_info;
*device = NULL;
if (strcmp(device_path, "missing") == 0) {
struct list_head *devices;
@ -2147,18 +2144,16 @@ int btrfs_find_device_missing_or_by_path(struct btrfs_root *root,
return 0;
} else {
return btrfs_find_device_by_path(root, device_path, device);
return btrfs_find_device_by_path(fs_info, device_path, device);
}
}
/*
* Lookup a device given by device id, or the path if the id is 0.
*/
int btrfs_find_device_by_devspec(struct btrfs_root *root, u64 devid,
char *devpath,
struct btrfs_device **device)
int btrfs_find_device_by_devspec(struct btrfs_fs_info *fs_info, u64 devid,
char *devpath, struct btrfs_device **device)
{
struct btrfs_fs_info *fs_info = root->fs_info;
int ret;
if (devid) {
@ -2170,7 +2165,7 @@ int btrfs_find_device_by_devspec(struct btrfs_root *root, u64 devid,
if (!devpath || !devpath[0])
return -EINVAL;
ret = btrfs_find_device_missing_or_by_path(root, devpath,
ret = btrfs_find_device_missing_or_by_path(fs_info, devpath,
device);
}
return ret;
@ -2179,9 +2174,8 @@ int btrfs_find_device_by_devspec(struct btrfs_root *root, u64 devid,
/*
* does all the dirty work required for changing file system's UUID.
*/
static int btrfs_prepare_sprout(struct btrfs_root *root)
static int btrfs_prepare_sprout(struct btrfs_fs_info *fs_info)
{
struct btrfs_fs_info *fs_info = root->fs_info;
struct btrfs_fs_devices *fs_devices = fs_info->fs_devices;
struct btrfs_fs_devices *old_devices;
struct btrfs_fs_devices *seed_devices;
@ -2401,7 +2395,7 @@ int btrfs_init_new_device(struct btrfs_fs_info *fs_info, char *device_path)
if (seeding_dev) {
sb->s_flags &= ~MS_RDONLY;
ret = btrfs_prepare_sprout(root);
ret = btrfs_prepare_sprout(fs_info);
BUG_ON(ret); /* -ENOMEM */
}
@ -2446,7 +2440,7 @@ int btrfs_init_new_device(struct btrfs_fs_info *fs_info, char *device_path)
if (seeding_dev) {
lock_chunks(fs_info);
ret = init_first_rw_device(trans, root, device);
ret = init_first_rw_device(trans, fs_info, device);
unlock_chunks(fs_info);
if (ret) {
btrfs_abort_transaction(trans, ret);
@ -2490,7 +2484,7 @@ int btrfs_init_new_device(struct btrfs_fs_info *fs_info, char *device_path)
if (ret) /* transaction commit */
return ret;
ret = btrfs_relocate_sys_chunks(root);
ret = btrfs_relocate_sys_chunks(fs_info);
if (ret < 0)
btrfs_handle_fs_error(fs_info, ret,
"Failed to relocate sys chunks after device initialization. This can be fixed using the \"btrfs balance\" command.");
@ -2521,14 +2515,14 @@ error:
return ret;
}
int btrfs_init_dev_replace_tgtdev(struct btrfs_root *root, char *device_path,
int btrfs_init_dev_replace_tgtdev(struct btrfs_fs_info *fs_info,
char *device_path,
struct btrfs_device *srcdev,
struct btrfs_device **device_out)
{
struct request_queue *q;
struct btrfs_device *device;
struct block_device *bdev;
struct btrfs_fs_info *fs_info = root->fs_info;
struct list_head *devices;
struct rcu_string *name;
u64 devid = BTRFS_DEV_REPLACE_DEVID;
@ -2805,7 +2799,6 @@ int btrfs_remove_chunk(struct btrfs_trans_handle *trans,
{
struct extent_map_tree *em_tree;
struct extent_map *em;
struct btrfs_root *extent_root = fs_info->extent_root;
struct map_lookup *map;
u64 dev_extent_len = 0;
u64 chunk_objectid = BTRFS_FIRST_CHUNK_TREE_OBJECTID;
@ -2832,7 +2825,7 @@ int btrfs_remove_chunk(struct btrfs_trans_handle *trans,
}
map = em->map_lookup;
lock_chunks(fs_info);
check_system_chunk(trans, extent_root, map->type);
check_system_chunk(trans, fs_info, map->type);
unlock_chunks(fs_info);
/*
@ -2929,9 +2922,9 @@ static int btrfs_relocate_chunk(struct btrfs_fs_info *fs_info, u64 chunk_offset)
return -ENOSPC;
/* step one, relocate all the extents inside this chunk */
btrfs_scrub_pause(root);
btrfs_scrub_pause(fs_info);
ret = btrfs_relocate_block_group(fs_info, chunk_offset);
btrfs_scrub_continue(root);
btrfs_scrub_continue(fs_info);
if (ret)
return ret;
@ -2952,9 +2945,8 @@ static int btrfs_relocate_chunk(struct btrfs_fs_info *fs_info, u64 chunk_offset)
return ret;
}
static int btrfs_relocate_sys_chunks(struct btrfs_root *root)
static int btrfs_relocate_sys_chunks(struct btrfs_fs_info *fs_info)
{
struct btrfs_fs_info *fs_info = root->fs_info;
struct btrfs_root *chunk_root = fs_info->chunk_root;
struct btrfs_path *path;
struct extent_buffer *leaf;
@ -3369,11 +3361,10 @@ static int chunk_soft_convert_filter(u64 chunk_type,
return 0;
}
static int should_balance_chunk(struct btrfs_root *root,
static int should_balance_chunk(struct btrfs_fs_info *fs_info,
struct extent_buffer *leaf,
struct btrfs_chunk *chunk, u64 chunk_offset)
{
struct btrfs_fs_info *fs_info = root->fs_info;
struct btrfs_balance_control *bctl = fs_info->balance_ctl;
struct btrfs_balance_args *bargs = NULL;
u64 chunk_type = btrfs_chunk_type(leaf, chunk);
@ -3607,7 +3598,7 @@ again:
spin_unlock(&fs_info->balance_lock);
}
ret = should_balance_chunk(chunk_root, leaf, chunk,
ret = should_balance_chunk(fs_info, leaf, chunk,
found_key.offset);
btrfs_release_path(path);
@ -3660,7 +3651,7 @@ again:
goto error;
}
ret = btrfs_force_chunk_alloc(trans, chunk_root,
ret = btrfs_force_chunk_alloc(trans, fs_info,
BTRFS_BLOCK_GROUP_DATA);
btrfs_end_transaction(trans, chunk_root);
if (ret < 0) {
@ -4522,11 +4513,10 @@ done:
return ret;
}
static int btrfs_add_system_chunk(struct btrfs_root *root,
static int btrfs_add_system_chunk(struct btrfs_fs_info *fs_info,
struct btrfs_key *key,
struct btrfs_chunk *chunk, int item_size)
{
struct btrfs_fs_info *fs_info = root->fs_info;
struct btrfs_super_block *super_copy = fs_info->super_copy;
struct btrfs_disk_key disk_key;
u32 array_size;
@ -4595,10 +4585,10 @@ static void check_raid56_incompat_flag(struct btrfs_fs_info *info, u64 type)
/ sizeof(struct btrfs_stripe) + 1)
static int __btrfs_alloc_chunk(struct btrfs_trans_handle *trans,
struct btrfs_root *extent_root, u64 start,
struct btrfs_fs_info *fs_info, u64 start,
u64 type)
{
struct btrfs_fs_info *info = extent_root->fs_info;
struct btrfs_fs_info *info = trans->fs_info;
struct btrfs_fs_devices *fs_devices = info->fs_devices;
struct list_head *cur;
struct map_lookup *map = NULL;
@ -4852,7 +4842,7 @@ static int __btrfs_alloc_chunk(struct btrfs_trans_handle *trans,
goto error;
}
ret = btrfs_make_block_group(trans, extent_root, 0, type,
ret = btrfs_make_block_group(trans, info, 0, type,
BTRFS_FIRST_CHUNK_TREE_OBJECTID,
start, num_bytes);
if (ret)
@ -4997,8 +4987,7 @@ int btrfs_finish_chunk_alloc(struct btrfs_trans_handle *trans,
* TODO: Cleanup of inserted chunk root in case of
* failure.
*/
ret = btrfs_add_system_chunk(chunk_root, &key, chunk,
item_size);
ret = btrfs_add_system_chunk(fs_info, &key, chunk, item_size);
}
out:
@ -5015,37 +5004,34 @@ out:
* bootstrap process of adding storage to a seed btrfs.
*/
int btrfs_alloc_chunk(struct btrfs_trans_handle *trans,
struct btrfs_root *extent_root, u64 type)
struct btrfs_fs_info *fs_info, u64 type)
{
struct btrfs_fs_info *fs_info = extent_root->fs_info;
u64 chunk_offset;
ASSERT(mutex_is_locked(&fs_info->chunk_mutex));
chunk_offset = find_next_chunk(fs_info);
return __btrfs_alloc_chunk(trans, extent_root, chunk_offset, type);
return __btrfs_alloc_chunk(trans, fs_info, chunk_offset, type);
}
static noinline int init_first_rw_device(struct btrfs_trans_handle *trans,
struct btrfs_root *root,
struct btrfs_fs_info *fs_info,
struct btrfs_device *device)
{
struct btrfs_root *extent_root = fs_info->extent_root;
u64 chunk_offset;
u64 sys_chunk_offset;
u64 alloc_profile;
struct btrfs_fs_info *fs_info = root->fs_info;
struct btrfs_root *extent_root = fs_info->extent_root;
int ret;
chunk_offset = find_next_chunk(fs_info);
alloc_profile = btrfs_get_alloc_profile(extent_root, 0);
ret = __btrfs_alloc_chunk(trans, extent_root, chunk_offset,
alloc_profile);
ret = __btrfs_alloc_chunk(trans, fs_info, chunk_offset, alloc_profile);
if (ret)
return ret;
sys_chunk_offset = find_next_chunk(fs_info);
alloc_profile = btrfs_get_alloc_profile(fs_info->chunk_root, 0);
ret = __btrfs_alloc_chunk(trans, extent_root, sys_chunk_offset,
ret = __btrfs_alloc_chunk(trans, fs_info, sys_chunk_offset,
alloc_profile);
return ret;
}
@ -5068,9 +5054,8 @@ static inline int btrfs_chunk_max_errors(struct map_lookup *map)
return max_errors;
}
int btrfs_chunk_readonly(struct btrfs_root *root, u64 chunk_offset)
int btrfs_chunk_readonly(struct btrfs_fs_info *fs_info, u64 chunk_offset)
{
struct btrfs_fs_info *fs_info = root->fs_info;
struct extent_map *em;
struct map_lookup *map;
struct btrfs_mapping_tree *map_tree = &fs_info->mapping_tree;
@ -5185,11 +5170,10 @@ int btrfs_num_copies(struct btrfs_fs_info *fs_info, u64 logical, u64 len)
return ret;
}
unsigned long btrfs_full_stripe_len(struct btrfs_root *root,
unsigned long btrfs_full_stripe_len(struct btrfs_fs_info *fs_info,
struct btrfs_mapping_tree *map_tree,
u64 logical)
{
struct btrfs_fs_info *fs_info = root->fs_info;
struct extent_map *em;
struct map_lookup *map;
struct extent_map_tree *em_tree = &map_tree->map_tree;
@ -6075,8 +6059,7 @@ static void btrfs_end_bio(struct bio *bio)
* This will add one bio to the pending list for a device and make sure
* the work struct is scheduled.
*/
static noinline void btrfs_schedule_bio(struct btrfs_root *root,
struct btrfs_device *device,
static noinline void btrfs_schedule_bio(struct btrfs_device *device,
struct bio *bio)
{
struct btrfs_fs_info *fs_info = device->fs_info;
@ -6127,11 +6110,11 @@ static noinline void btrfs_schedule_bio(struct btrfs_root *root,
btrfs_queue_work(fs_info->submit_workers, &device->work);
}
static void submit_stripe_bio(struct btrfs_root *root, struct btrfs_bio *bbio,
struct bio *bio, u64 physical, int dev_nr,
int async)
static void submit_stripe_bio(struct btrfs_bio *bbio, struct bio *bio,
u64 physical, int dev_nr, int async)
{
struct btrfs_device *dev = bbio->stripes[dev_nr].dev;
struct btrfs_fs_info *fs_info = bbio->fs_info;
bio->bi_private = bbio;
btrfs_io_bio(bio)->stripe_index = dev_nr;
@ -6154,10 +6137,10 @@ static void submit_stripe_bio(struct btrfs_root *root, struct btrfs_bio *bbio,
#endif
bio->bi_bdev = dev->bdev;
btrfs_bio_counter_inc_noblocked(root->fs_info);
btrfs_bio_counter_inc_noblocked(fs_info);
if (async)
btrfs_schedule_bio(root, dev, bio);
btrfs_schedule_bio(dev, bio);
else
btrfsic_submit_bio(bio);
}
@ -6176,10 +6159,9 @@ static void bbio_error(struct btrfs_bio *bbio, struct bio *bio, u64 logical)
}
}
int btrfs_map_bio(struct btrfs_root *root, struct bio *bio,
int btrfs_map_bio(struct btrfs_fs_info *fs_info, struct bio *bio,
int mirror_num, int async_submit)
{
struct btrfs_fs_info *fs_info = root->fs_info;
struct btrfs_device *dev;
struct bio *first_bio = bio;
u64 logical = (u64)bio->bi_iter.bi_sector << 9;
@ -6213,10 +6195,11 @@ int btrfs_map_bio(struct btrfs_root *root, struct bio *bio,
/* In this case, map_length has been set to the length of
a single stripe; not the whole write */
if (bio_op(bio) == REQ_OP_WRITE) {
ret = raid56_parity_write(root, bio, bbio, map_length);
ret = raid56_parity_write(fs_info, bio, bbio,
map_length);
} else {
ret = raid56_parity_recover(root, bio, bbio, map_length,
mirror_num, 1);
ret = raid56_parity_recover(fs_info, bio, bbio,
map_length, mirror_num, 1);
}
btrfs_bio_counter_dec(fs_info);
@ -6244,9 +6227,8 @@ int btrfs_map_bio(struct btrfs_root *root, struct bio *bio,
} else
bio = first_bio;
submit_stripe_bio(root, bbio, bio,
bbio->stripes[dev_nr].physical, dev_nr,
async_submit);
submit_stripe_bio(bbio, bio, bbio->stripes[dev_nr].physical,
dev_nr, async_submit);
}
btrfs_bio_counter_dec(fs_info);
return 0;
@ -6272,8 +6254,7 @@ struct btrfs_device *btrfs_find_device(struct btrfs_fs_info *fs_info, u64 devid,
return NULL;
}
static struct btrfs_device *add_missing_dev(struct btrfs_root *root,
struct btrfs_fs_devices *fs_devices,
static struct btrfs_device *add_missing_dev(struct btrfs_fs_devices *fs_devices,
u64 devid, u8 *dev_uuid)
{
struct btrfs_device *device;
@ -6344,11 +6325,10 @@ struct btrfs_device *btrfs_alloc_device(struct btrfs_fs_info *fs_info,
}
/* Return -EIO if any error, otherwise return 0. */
static int btrfs_check_chunk_valid(struct btrfs_root *root,
static int btrfs_check_chunk_valid(struct btrfs_fs_info *fs_info,
struct extent_buffer *leaf,
struct btrfs_chunk *chunk, u64 logical)
{
struct btrfs_fs_info *fs_info = root->fs_info;
u64 length;
u64 stripe_len;
u16 num_stripes;
@ -6409,11 +6389,10 @@ static int btrfs_check_chunk_valid(struct btrfs_root *root,
return 0;
}
static int read_one_chunk(struct btrfs_root *root, struct btrfs_key *key,
static int read_one_chunk(struct btrfs_fs_info *fs_info, struct btrfs_key *key,
struct extent_buffer *leaf,
struct btrfs_chunk *chunk)
{
struct btrfs_fs_info *fs_info = root->fs_info;
struct btrfs_mapping_tree *map_tree = &fs_info->mapping_tree;
struct map_lookup *map;
struct extent_map *em;
@ -6431,7 +6410,7 @@ static int read_one_chunk(struct btrfs_root *root, struct btrfs_key *key,
stripe_len = btrfs_chunk_stripe_len(leaf, chunk);
num_stripes = btrfs_chunk_num_stripes(leaf, chunk);
ret = btrfs_check_chunk_valid(root, leaf, chunk, logical);
ret = btrfs_check_chunk_valid(fs_info, leaf, chunk, logical);
if (ret)
return ret;
@ -6487,8 +6466,8 @@ static int read_one_chunk(struct btrfs_root *root, struct btrfs_key *key,
}
if (!map->stripes[i].dev) {
map->stripes[i].dev =
add_missing_dev(root, fs_info->fs_devices,
devid, uuid);
add_missing_dev(fs_info->fs_devices, devid,
uuid);
if (!map->stripes[i].dev) {
free_extent_map(em);
return -EIO;
@ -6531,10 +6510,9 @@ static void fill_device_from_item(struct extent_buffer *leaf,
read_extent_buffer(leaf, device->uuid, ptr, BTRFS_UUID_SIZE);
}
static struct btrfs_fs_devices *open_seed_devices(struct btrfs_root *root,
static struct btrfs_fs_devices *open_seed_devices(struct btrfs_fs_info *fs_info,
u8 *fsid)
{
struct btrfs_fs_info *fs_info = root->fs_info;
struct btrfs_fs_devices *fs_devices;
int ret;
@ -6587,11 +6565,10 @@ out:
return fs_devices;
}
static int read_one_dev(struct btrfs_root *root,
static int read_one_dev(struct btrfs_fs_info *fs_info,
struct extent_buffer *leaf,
struct btrfs_dev_item *dev_item)
{
struct btrfs_fs_info *fs_info = root->fs_info;
struct btrfs_fs_devices *fs_devices = fs_info->fs_devices;
struct btrfs_device *device;
u64 devid;
@ -6606,7 +6583,7 @@ static int read_one_dev(struct btrfs_root *root,
BTRFS_UUID_SIZE);
if (memcmp(fs_uuid, fs_info->fsid, BTRFS_UUID_SIZE)) {
fs_devices = open_seed_devices(root, fs_uuid);
fs_devices = open_seed_devices(fs_info, fs_uuid);
if (IS_ERR(fs_devices))
return PTR_ERR(fs_devices);
}
@ -6616,7 +6593,7 @@ static int read_one_dev(struct btrfs_root *root,
if (!btrfs_test_opt(fs_info, DEGRADED))
return -EIO;
device = add_missing_dev(root, fs_devices, devid, dev_uuid);
device = add_missing_dev(fs_devices, devid, dev_uuid);
if (!device)
return -ENOMEM;
btrfs_warn(fs_info, "devid %llu uuid %pU missing",
@ -6694,7 +6671,7 @@ int btrfs_read_sys_array(struct btrfs_fs_info *fs_info)
* fixed to BTRFS_SUPER_INFO_SIZE. If nodesize > sb size, this will
* overallocate but we can keep it as-is, only the first page is used.
*/
sb = btrfs_find_create_tree_block(root, BTRFS_SUPER_INFO_OFFSET);
sb = btrfs_find_create_tree_block(fs_info, BTRFS_SUPER_INFO_OFFSET);
if (IS_ERR(sb))
return PTR_ERR(sb);
set_extent_buffer_uptodate(sb);
@ -6765,7 +6742,7 @@ int btrfs_read_sys_array(struct btrfs_fs_info *fs_info)
if (cur_offset + len > array_size)
goto out_short_read;
ret = read_one_chunk(root, &key, sb, chunk);
ret = read_one_chunk(fs_info, &key, sb, chunk);
if (ret)
break;
} else {
@ -6837,14 +6814,14 @@ int btrfs_read_chunk_tree(struct btrfs_fs_info *fs_info)
struct btrfs_dev_item *dev_item;
dev_item = btrfs_item_ptr(leaf, slot,
struct btrfs_dev_item);
ret = read_one_dev(root, leaf, dev_item);
ret = read_one_dev(fs_info, leaf, dev_item);
if (ret)
goto error;
total_dev++;
} else if (found_key.type == BTRFS_CHUNK_ITEM_KEY) {
struct btrfs_chunk *chunk;
chunk = btrfs_item_ptr(leaf, slot, struct btrfs_chunk);
ret = read_one_chunk(root, &found_key, leaf, chunk);
ret = read_one_chunk(fs_info, &found_key, leaf, chunk);
if (ret)
goto error;
}
@ -7095,10 +7072,9 @@ static void btrfs_dev_stat_print_on_load(struct btrfs_device *dev)
btrfs_dev_stat_read(dev, BTRFS_DEV_STAT_GENERATION_ERRS));
}
int btrfs_get_dev_stats(struct btrfs_root *root,
int btrfs_get_dev_stats(struct btrfs_fs_info *fs_info,
struct btrfs_ioctl_get_dev_stats *stats)
{
struct btrfs_fs_info *fs_info = root->fs_info;
struct btrfs_device *dev;
struct btrfs_fs_devices *fs_devices = fs_info->fs_devices;
int i;
@ -7185,10 +7161,9 @@ void btrfs_update_commit_device_size(struct btrfs_fs_info *fs_info)
}
/* Must be invoked during the transaction commit */
void btrfs_update_commit_device_bytes_used(struct btrfs_root *root,
void btrfs_update_commit_device_bytes_used(struct btrfs_fs_info *fs_info,
struct btrfs_transaction *transaction)
{
struct btrfs_fs_info *fs_info = root->fs_info;
struct extent_map *em;
struct map_lookup *map;
struct btrfs_device *dev;

22
fs/btrfs/volumes.h
View File

@ -408,10 +408,10 @@ int btrfs_rmap_block(struct btrfs_fs_info *fs_info,
int btrfs_read_sys_array(struct btrfs_fs_info *fs_info);
int btrfs_read_chunk_tree(struct btrfs_fs_info *fs_info);
int btrfs_alloc_chunk(struct btrfs_trans_handle *trans,
struct btrfs_root *extent_root, u64 type);
struct btrfs_fs_info *fs_info, u64 type);
void btrfs_mapping_init(struct btrfs_mapping_tree *tree);
void btrfs_mapping_tree_free(struct btrfs_mapping_tree *tree);
int btrfs_map_bio(struct btrfs_root *root, struct bio *bio,
int btrfs_map_bio(struct btrfs_fs_info *fs_info, struct bio *bio,
int mirror_num, int async_submit);
int btrfs_open_devices(struct btrfs_fs_devices *fs_devices,
fmode_t flags, void *holder);
@ -421,16 +421,17 @@ int btrfs_close_devices(struct btrfs_fs_devices *fs_devices);
void btrfs_close_extra_devices(struct btrfs_fs_devices *fs_devices, int step);
void btrfs_assign_next_active_device(struct btrfs_fs_info *fs_info,
struct btrfs_device *device, struct btrfs_device *this_dev);
int btrfs_find_device_missing_or_by_path(struct btrfs_root *root,
int btrfs_find_device_missing_or_by_path(struct btrfs_fs_info *fs_info,
char *device_path,
struct btrfs_device **device);
int btrfs_find_device_by_devspec(struct btrfs_root *root, u64 devid,
int btrfs_find_device_by_devspec(struct btrfs_fs_info *fs_info, u64 devid,
char *devpath,
struct btrfs_device **device);
struct btrfs_device *btrfs_alloc_device(struct btrfs_fs_info *fs_info,
const u64 *devid,
const u8 *uuid);
int btrfs_rm_device(struct btrfs_root *root, char *device_path, u64 devid);
int btrfs_rm_device(struct btrfs_fs_info *fs_info,
char *device_path, u64 devid);
void btrfs_cleanup_fs_uuids(void);
int btrfs_num_copies(struct btrfs_fs_info *fs_info, u64 logical, u64 len);
int btrfs_grow_device(struct btrfs_trans_handle *trans,
@ -439,7 +440,8 @@ struct btrfs_device *btrfs_find_device(struct btrfs_fs_info *fs_info, u64 devid,
u8 *uuid, u8 *fsid);
int btrfs_shrink_device(struct btrfs_device *device, u64 new_size);
int btrfs_init_new_device(struct btrfs_fs_info *fs_info, char *path);
int btrfs_init_dev_replace_tgtdev(struct btrfs_root *root, char *device_path,
int btrfs_init_dev_replace_tgtdev(struct btrfs_fs_info *fs_info,
char *device_path,
struct btrfs_device *srcdev,
struct btrfs_device **device_out);
int btrfs_balance(struct btrfs_balance_control *bctl,
@ -450,7 +452,7 @@ int btrfs_pause_balance(struct btrfs_fs_info *fs_info);
int btrfs_cancel_balance(struct btrfs_fs_info *fs_info);
int btrfs_create_uuid_tree(struct btrfs_fs_info *fs_info);
int btrfs_check_uuid_tree(struct btrfs_fs_info *fs_info);
int btrfs_chunk_readonly(struct btrfs_root *root, u64 chunk_offset);
int btrfs_chunk_readonly(struct btrfs_fs_info *fs_info, u64 chunk_offset);
int find_free_dev_extent_start(struct btrfs_transaction *transaction,
struct btrfs_device *device, u64 num_bytes,
u64 search_start, u64 *start, u64 *max_avail);
@ -458,7 +460,7 @@ int find_free_dev_extent(struct btrfs_trans_handle *trans,
struct btrfs_device *device, u64 num_bytes,
u64 *start, u64 *max_avail);
void btrfs_dev_stat_inc_and_print(struct btrfs_device *dev, int index);
int btrfs_get_dev_stats(struct btrfs_root *root,
int btrfs_get_dev_stats(struct btrfs_fs_info *fs_info,
struct btrfs_ioctl_get_dev_stats *stats);
void btrfs_init_devices_late(struct btrfs_fs_info *fs_info);
int btrfs_init_dev_stats(struct btrfs_fs_info *fs_info);
@ -475,7 +477,7 @@ void btrfs_init_dev_replace_tgtdev_for_resume(struct btrfs_fs_info *fs_info,
void btrfs_scratch_superblocks(struct block_device *bdev, char *device_path);
int btrfs_is_parity_mirror(struct btrfs_mapping_tree *map_tree,
u64 logical, u64 len, int mirror_num);
unsigned long btrfs_full_stripe_len(struct btrfs_root *root,
unsigned long btrfs_full_stripe_len(struct btrfs_fs_info *fs_info,
struct btrfs_mapping_tree *map_tree,
u64 logical);
int btrfs_finish_chunk_alloc(struct btrfs_trans_handle *trans,
@ -529,7 +531,7 @@ static inline void btrfs_dev_stat_reset(struct btrfs_device *dev,
}
void btrfs_update_commit_device_size(struct btrfs_fs_info *fs_info);
void btrfs_update_commit_device_bytes_used(struct btrfs_root *root,
void btrfs_update_commit_device_bytes_used(struct btrfs_fs_info *fs_info,
struct btrfs_transaction *transaction);
static inline void lock_chunks(struct btrfs_fs_info *fs_info)

17
fs/btrfs/xattr.c
View File

@ -94,6 +94,7 @@ static int do_setxattr(struct btrfs_trans_handle *trans,
{
struct btrfs_dir_item *di = NULL;
struct btrfs_root *root = BTRFS_I(inode)->root;
struct btrfs_fs_info *fs_info = root->fs_info;
struct btrfs_path *path;
size_t name_len = strlen(name);
int ret = 0;
@ -149,14 +150,14 @@ static int do_setxattr(struct btrfs_trans_handle *trans,
*/
ret = 0;
btrfs_assert_tree_locked(path->nodes[0]);
di = btrfs_match_dir_item_name(root, path, name, name_len);
di = btrfs_match_dir_item_name(fs_info, path, name, name_len);
if (!di && !(flags & XATTR_REPLACE)) {
ret = -ENOSPC;
goto out;
}
} else if (ret == -EEXIST) {
ret = 0;
di = btrfs_match_dir_item_name(root, path, name, name_len);
di = btrfs_match_dir_item_name(fs_info, path, name, name_len);
ASSERT(di); /* logic error */
} else if (ret) {
goto out;
@ -185,7 +186,7 @@ static int do_setxattr(struct btrfs_trans_handle *trans,
char *ptr;
if (size > old_data_len) {
if (btrfs_leaf_free_space(root, leaf) <
if (btrfs_leaf_free_space(fs_info, leaf) <
(size - old_data_len)) {
ret = -ENOSPC;
goto out;
@ -195,16 +196,17 @@ static int do_setxattr(struct btrfs_trans_handle *trans,
if (old_data_len + name_len + sizeof(*di) == item_size) {
/* No other xattrs packed in the same leaf item. */
if (size > old_data_len)
btrfs_extend_item(root, path,
btrfs_extend_item(fs_info, path,
size - old_data_len);
else if (size < old_data_len)
btrfs_truncate_item(root, path, data_size, 1);
btrfs_truncate_item(fs_info, path,
data_size, 1);
} else {
/* There are other xattrs packed in the same item. */
ret = btrfs_delete_one_dir_name(trans, root, path, di);
if (ret)
goto out;
btrfs_extend_item(root, path, data_size);
btrfs_extend_item(fs_info, path, data_size);
}
item = btrfs_item_nr(slot);
@ -265,6 +267,7 @@ ssize_t btrfs_listxattr(struct dentry *dentry, char *buffer, size_t size)
{
struct btrfs_key key;
struct inode *inode = d_inode(dentry);
struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb);
struct btrfs_root *root = BTRFS_I(inode)->root;
struct btrfs_path *path;
int ret = 0;
@ -333,7 +336,7 @@ ssize_t btrfs_listxattr(struct dentry *dentry, char *buffer, size_t size)
u32 this_len = sizeof(*di) + name_len + data_len;
unsigned long name_ptr = (unsigned long)(di + 1);
if (verify_dir_item(root, leaf, di)) {
if (verify_dir_item(fs_info, leaf, di)) {
ret = -EIO;
goto err;
}