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btrfs: rename btrfs_block_group_cache 

The type name is misleading, a single entry is named 'cache' while this
normally means a collection of objects. Rename that everywhere. Also the
identifier was quite long, making function prototypes harder to format.

Suggested-by: Nikolay Borisov <nborisov@suse.com>
Reviewed-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
David Sterba 2019-10-29 19:20:18 +01:00
parent d49a2ddb15
commit 32da5386d9
26 changed files with 278 additions and 293 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

128
fs/btrfs/block-group.c
View File

@ -120,12 +120,12 @@ u64 btrfs_get_alloc_profile(struct btrfs_fs_info *fs_info, u64 orig_flags)
return get_alloc_profile(fs_info, orig_flags);
}
void btrfs_get_block_group(struct btrfs_block_group_cache *cache)
void btrfs_get_block_group(struct btrfs_block_group *cache)
{
atomic_inc(&cache->count);
}
void btrfs_put_block_group(struct btrfs_block_group_cache *cache)
void btrfs_put_block_group(struct btrfs_block_group *cache)
{
if (atomic_dec_and_test(&cache->count)) {
WARN_ON(cache->pinned > 0);
@ -149,19 +149,18 @@ void btrfs_put_block_group(struct btrfs_block_group_cache *cache)
* This adds the block group to the fs_info rb tree for the block group cache
*/
static int btrfs_add_block_group_cache(struct btrfs_fs_info *info,
struct btrfs_block_group_cache *block_group)
struct btrfs_block_group *block_group)
{
struct rb_node **p;
struct rb_node *parent = NULL;
struct btrfs_block_group_cache *cache;
struct btrfs_block_group *cache;
spin_lock(&info->block_group_cache_lock);
p = &info->block_group_cache_tree.rb_node;
while (*p) {
parent = *p;
cache = rb_entry(parent, struct btrfs_block_group_cache,
cache_node);
cache = rb_entry(parent, struct btrfs_block_group, cache_node);
if (block_group->start < cache->start) {
p = &(*p)->rb_left;
} else if (block_group->start > cache->start) {
@ -188,10 +187,10 @@ static int btrfs_add_block_group_cache(struct btrfs_fs_info *info,
* This will return the block group at or after bytenr if contains is 0, else
* it will return the block group that contains the bytenr
*/
static struct btrfs_block_group_cache *block_group_cache_tree_search(
static struct btrfs_block_group *block_group_cache_tree_search(
struct btrfs_fs_info *info, u64 bytenr, int contains)
{
struct btrfs_block_group_cache *cache, *ret = NULL;
struct btrfs_block_group *cache, *ret = NULL;
struct rb_node *n;
u64 end, start;
@ -199,8 +198,7 @@ static struct btrfs_block_group_cache *block_group_cache_tree_search(
n = info->block_group_cache_tree.rb_node;
while (n) {
cache = rb_entry(n, struct btrfs_block_group_cache,
cache_node);
cache = rb_entry(n, struct btrfs_block_group, cache_node);
end = cache->start + cache->length - 1;
start = cache->start;
@ -232,7 +230,7 @@ static struct btrfs_block_group_cache *block_group_cache_tree_search(
/*
* Return the block group that starts at or after bytenr
*/
struct btrfs_block_group_cache *btrfs_lookup_first_block_group(
struct btrfs_block_group *btrfs_lookup_first_block_group(
struct btrfs_fs_info *info, u64 bytenr)
{
return block_group_cache_tree_search(info, bytenr, 0);
@ -241,14 +239,14 @@ struct btrfs_block_group_cache *btrfs_lookup_first_block_group(
/*
* Return the block group that contains the given bytenr
*/
struct btrfs_block_group_cache *btrfs_lookup_block_group(
struct btrfs_block_group *btrfs_lookup_block_group(
struct btrfs_fs_info *info, u64 bytenr)
{
return block_group_cache_tree_search(info, bytenr, 1);
}
struct btrfs_block_group_cache *btrfs_next_block_group(
struct btrfs_block_group_cache *cache)
struct btrfs_block_group *btrfs_next_block_group(
struct btrfs_block_group *cache)
{
struct btrfs_fs_info *fs_info = cache->fs_info;
struct rb_node *node;
@ -266,8 +264,7 @@ struct btrfs_block_group_cache *btrfs_next_block_group(
node = rb_next(&cache->cache_node);
btrfs_put_block_group(cache);
if (node) {
cache = rb_entry(node, struct btrfs_block_group_cache,
cache_node);
cache = rb_entry(node, struct btrfs_block_group, cache_node);
btrfs_get_block_group(cache);
} else
cache = NULL;
@ -277,7 +274,7 @@ struct btrfs_block_group_cache *btrfs_next_block_group(
bool btrfs_inc_nocow_writers(struct btrfs_fs_info *fs_info, u64 bytenr)
{
struct btrfs_block_group_cache *bg;
struct btrfs_block_group *bg;
bool ret = true;
bg = btrfs_lookup_block_group(fs_info, bytenr);
@ -300,7 +297,7 @@ bool btrfs_inc_nocow_writers(struct btrfs_fs_info *fs_info, u64 bytenr)
void btrfs_dec_nocow_writers(struct btrfs_fs_info *fs_info, u64 bytenr)
{
struct btrfs_block_group_cache *bg;
struct btrfs_block_group *bg;
bg = btrfs_lookup_block_group(fs_info, bytenr);
ASSERT(bg);
@ -314,7 +311,7 @@ void btrfs_dec_nocow_writers(struct btrfs_fs_info *fs_info, u64 bytenr)
btrfs_put_block_group(bg);
}
void btrfs_wait_nocow_writers(struct btrfs_block_group_cache *bg)
void btrfs_wait_nocow_writers(struct btrfs_block_group *bg)
{
wait_var_event(&bg->nocow_writers, !atomic_read(&bg->nocow_writers));
}
@ -322,7 +319,7 @@ void btrfs_wait_nocow_writers(struct btrfs_block_group_cache *bg)
void btrfs_dec_block_group_reservations(struct btrfs_fs_info *fs_info,
const u64 start)
{
struct btrfs_block_group_cache *bg;
struct btrfs_block_group *bg;
bg = btrfs_lookup_block_group(fs_info, start);
ASSERT(bg);
@ -331,7 +328,7 @@ void btrfs_dec_block_group_reservations(struct btrfs_fs_info *fs_info,
btrfs_put_block_group(bg);
}
void btrfs_wait_block_group_reservations(struct btrfs_block_group_cache *bg)
void btrfs_wait_block_group_reservations(struct btrfs_block_group *bg)
{
struct btrfs_space_info *space_info = bg->space_info;
@ -357,7 +354,7 @@ void btrfs_wait_block_group_reservations(struct btrfs_block_group_cache *bg)
}
struct btrfs_caching_control *btrfs_get_caching_control(
struct btrfs_block_group_cache *cache)
struct btrfs_block_group *cache)
{
struct btrfs_caching_control *ctl;
@ -392,7 +389,7 @@ void btrfs_put_caching_control(struct btrfs_caching_control *ctl)
* Callers of this must check if cache->cached == BTRFS_CACHE_ERROR before using
* any of the information in this block group.
*/
void btrfs_wait_block_group_cache_progress(struct btrfs_block_group_cache *cache,
void btrfs_wait_block_group_cache_progress(struct btrfs_block_group *cache,
u64 num_bytes)
{
struct btrfs_caching_control *caching_ctl;
@ -401,13 +398,13 @@ void btrfs_wait_block_group_cache_progress(struct btrfs_block_group_cache *cache
if (!caching_ctl)
return;
wait_event(caching_ctl->wait, btrfs_block_group_cache_done(cache) ||
wait_event(caching_ctl->wait, btrfs_block_group_done(cache) ||
(cache->free_space_ctl->free_space >= num_bytes));
btrfs_put_caching_control(caching_ctl);
}
int btrfs_wait_block_group_cache_done(struct btrfs_block_group_cache *cache)
int btrfs_wait_block_group_cache_done(struct btrfs_block_group *cache)
{
struct btrfs_caching_control *caching_ctl;
int ret = 0;
@ -416,7 +413,7 @@ int btrfs_wait_block_group_cache_done(struct btrfs_block_group_cache *cache)
if (!caching_ctl)
return (cache->cached == BTRFS_CACHE_ERROR) ? -EIO : 0;
wait_event(caching_ctl->wait, btrfs_block_group_cache_done(cache));
wait_event(caching_ctl->wait, btrfs_block_group_done(cache));
if (cache->cached == BTRFS_CACHE_ERROR)
ret = -EIO;
btrfs_put_caching_control(caching_ctl);
@ -424,7 +421,7 @@ int btrfs_wait_block_group_cache_done(struct btrfs_block_group_cache *cache)
}
#ifdef CONFIG_BTRFS_DEBUG
static void fragment_free_space(struct btrfs_block_group_cache *block_group)
static void fragment_free_space(struct btrfs_block_group *block_group)
{
struct btrfs_fs_info *fs_info = block_group->fs_info;
u64 start = block_group->start;
@ -450,8 +447,7 @@ static void fragment_free_space(struct btrfs_block_group_cache *block_group)
* used yet since their free space will be released as soon as the transaction
* commits.
*/
u64 add_new_free_space(struct btrfs_block_group_cache *block_group,
u64 start, u64 end)
u64 add_new_free_space(struct btrfs_block_group *block_group, u64 start, u64 end)
{
struct btrfs_fs_info *info = block_group->fs_info;
u64 extent_start, extent_end, size, total_added = 0;
@ -491,7 +487,7 @@ u64 add_new_free_space(struct btrfs_block_group_cache *block_group,
static int load_extent_tree_free(struct btrfs_caching_control *caching_ctl)
{
struct btrfs_block_group_cache *block_group = caching_ctl->block_group;
struct btrfs_block_group *block_group = caching_ctl->block_group;
struct btrfs_fs_info *fs_info = block_group->fs_info;
struct btrfs_root *extent_root = fs_info->extent_root;
struct btrfs_path *path;
@ -626,7 +622,7 @@ out:
static noinline void caching_thread(struct btrfs_work *work)
{
struct btrfs_block_group_cache *block_group;
struct btrfs_block_group *block_group;
struct btrfs_fs_info *fs_info;
struct btrfs_caching_control *caching_ctl;
int ret;
@ -674,8 +670,7 @@ static noinline void caching_thread(struct btrfs_work *work)
btrfs_put_block_group(block_group);
}
int btrfs_cache_block_group(struct btrfs_block_group_cache *cache,
int load_cache_only)
int btrfs_cache_block_group(struct btrfs_block_group *cache, int load_cache_only)
{
DEFINE_WAIT(wait);
struct btrfs_fs_info *fs_info = cache->fs_info;
@ -867,7 +862,7 @@ int btrfs_remove_block_group(struct btrfs_trans_handle *trans,
struct btrfs_fs_info *fs_info = trans->fs_info;
struct btrfs_root *root = fs_info->extent_root;
struct btrfs_path *path;
struct btrfs_block_group_cache *block_group;
struct btrfs_block_group *block_group;
struct btrfs_free_cluster *cluster;
struct btrfs_root *tree_root = fs_info->tree_root;
struct btrfs_key key;
@ -1185,7 +1180,7 @@ struct btrfs_trans_handle *btrfs_start_trans_remove_block_group(
* data in this block group. That check should be done by relocation routine,
* not this function.
*/
static int inc_block_group_ro(struct btrfs_block_group_cache *cache, int force)
static int inc_block_group_ro(struct btrfs_block_group *cache, int force)
{
struct btrfs_space_info *sinfo = cache->space_info;
u64 num_bytes;
@ -1251,7 +1246,7 @@ out:
*/
void btrfs_delete_unused_bgs(struct btrfs_fs_info *fs_info)
{
struct btrfs_block_group_cache *block_group;
struct btrfs_block_group *block_group;
struct btrfs_space_info *space_info;
struct btrfs_trans_handle *trans;
int ret = 0;
@ -1265,7 +1260,7 @@ void btrfs_delete_unused_bgs(struct btrfs_fs_info *fs_info)
int trimming;
block_group = list_first_entry(&fs_info->unused_bgs,
struct btrfs_block_group_cache,
struct btrfs_block_group,
bg_list);
list_del_init(&block_group->bg_list);
@ -1413,7 +1408,7 @@ next:
spin_unlock(&fs_info->unused_bgs_lock);
}
void btrfs_mark_bg_unused(struct btrfs_block_group_cache *bg)
void btrfs_mark_bg_unused(struct btrfs_block_group *bg)
{
struct btrfs_fs_info *fs_info = bg->fs_info;
@ -1521,7 +1516,7 @@ static void set_avail_alloc_bits(struct btrfs_fs_info *fs_info, u64 flags)
write_sequnlock(&fs_info->profiles_lock);
}
static int exclude_super_stripes(struct btrfs_block_group_cache *cache)
static int exclude_super_stripes(struct btrfs_block_group *cache)
{
struct btrfs_fs_info *fs_info = cache->fs_info;
u64 bytenr;
@ -1576,7 +1571,7 @@ static int exclude_super_stripes(struct btrfs_block_group_cache *cache)
return 0;
}
static void link_block_group(struct btrfs_block_group_cache *cache)
static void link_block_group(struct btrfs_block_group *cache)
{
struct btrfs_space_info *space_info = cache->space_info;
int index = btrfs_bg_flags_to_raid_index(cache->flags);
@ -1592,10 +1587,10 @@ static void link_block_group(struct btrfs_block_group_cache *cache)
btrfs_sysfs_add_block_group_type(cache);
}
static struct btrfs_block_group_cache *btrfs_create_block_group_cache(
static struct btrfs_block_group *btrfs_create_block_group_cache(
struct btrfs_fs_info *fs_info, u64 start, u64 size)
{
struct btrfs_block_group_cache *cache;
struct btrfs_block_group *cache;
cache = kzalloc(sizeof(*cache), GFP_NOFS);
if (!cache)
@ -1640,7 +1635,7 @@ static int check_chunk_block_group_mappings(struct btrfs_fs_info *fs_info)
{
struct extent_map_tree *map_tree = &fs_info->mapping_tree;
struct extent_map *em;
struct btrfs_block_group_cache *bg;
struct btrfs_block_group *bg;
u64 start = 0;
int ret = 0;
@ -1692,7 +1687,7 @@ static int read_one_block_group(struct btrfs_fs_info *info,
int need_clear)
{
struct extent_buffer *leaf = path->nodes[0];
struct btrfs_block_group_cache *cache;
struct btrfs_block_group *cache;
struct btrfs_space_info *space_info;
struct btrfs_block_group_item bgi;
const bool mixed = btrfs_fs_incompat(info, MIXED_GROUPS);
@ -1792,7 +1787,7 @@ int btrfs_read_block_groups(struct btrfs_fs_info *info)
{
struct btrfs_path *path;
int ret;
struct btrfs_block_group_cache *cache;
struct btrfs_block_group *cache;
struct btrfs_space_info *space_info;
struct btrfs_key key;
int need_clear = 0;
@ -1860,7 +1855,7 @@ error:
void btrfs_create_pending_block_groups(struct btrfs_trans_handle *trans)
{
struct btrfs_fs_info *fs_info = trans->fs_info;
struct btrfs_block_group_cache *block_group;
struct btrfs_block_group *block_group;
struct btrfs_root *extent_root = fs_info->extent_root;
struct btrfs_block_group_item item;
struct btrfs_key key;
@ -1871,7 +1866,7 @@ void btrfs_create_pending_block_groups(struct btrfs_trans_handle *trans)
while (!list_empty(&trans->new_bgs)) {
block_group = list_first_entry(&trans->new_bgs,
struct btrfs_block_group_cache,
struct btrfs_block_group,
bg_list);
if (ret)
goto next;
@ -1906,7 +1901,7 @@ int btrfs_make_block_group(struct btrfs_trans_handle *trans, u64 bytes_used,
u64 type, u64 chunk_offset, u64 size)
{
struct btrfs_fs_info *fs_info = trans->fs_info;
struct btrfs_block_group_cache *cache;
struct btrfs_block_group *cache;
int ret;
btrfs_set_log_full_commit(trans);
@ -2022,7 +2017,7 @@ static u64 update_block_group_flags(struct btrfs_fs_info *fs_info, u64 flags)
return flags;
}
int btrfs_inc_block_group_ro(struct btrfs_block_group_cache *cache)
int btrfs_inc_block_group_ro(struct btrfs_block_group *cache)
{
struct btrfs_fs_info *fs_info = cache->fs_info;
@ -2092,7 +2087,7 @@ out:
return ret;
}
void btrfs_dec_block_group_ro(struct btrfs_block_group_cache *cache)
void btrfs_dec_block_group_ro(struct btrfs_block_group *cache)
{
struct btrfs_space_info *sinfo = cache->space_info;
u64 num_bytes;
@ -2113,7 +2108,7 @@ void btrfs_dec_block_group_ro(struct btrfs_block_group_cache *cache)
static int write_one_cache_group(struct btrfs_trans_handle *trans,
struct btrfs_path *path,
struct btrfs_block_group_cache *cache)
struct btrfs_block_group *cache)
{
struct btrfs_fs_info *fs_info = trans->fs_info;
int ret;
@ -2148,7 +2143,7 @@ fail:
}
static int cache_save_setup(struct btrfs_block_group_cache *block_group,
static int cache_save_setup(struct btrfs_block_group *block_group,
struct btrfs_trans_handle *trans,
struct btrfs_path *path)
{
@ -2312,7 +2307,7 @@ out:
int btrfs_setup_space_cache(struct btrfs_trans_handle *trans)
{
struct btrfs_fs_info *fs_info = trans->fs_info;
struct btrfs_block_group_cache *cache, *tmp;
struct btrfs_block_group *cache, *tmp;
struct btrfs_transaction *cur_trans = trans->transaction;
struct btrfs_path *path;
@ -2350,7 +2345,7 @@ int btrfs_setup_space_cache(struct btrfs_trans_handle *trans)
int btrfs_start_dirty_block_groups(struct btrfs_trans_handle *trans)
{
struct btrfs_fs_info *fs_info = trans->fs_info;
struct btrfs_block_group_cache *cache;
struct btrfs_block_group *cache;
struct btrfs_transaction *cur_trans = trans->transaction;
int ret = 0;
int should_put;
@ -2387,8 +2382,7 @@ again:
while (!list_empty(&dirty)) {
bool drop_reserve = true;
cache = list_first_entry(&dirty,
struct btrfs_block_group_cache,
cache = list_first_entry(&dirty, struct btrfs_block_group,
dirty_list);
/*
* This can happen if something re-dirties a block group that
@ -2513,7 +2507,7 @@ again:
int btrfs_write_dirty_block_groups(struct btrfs_trans_handle *trans)
{
struct btrfs_fs_info *fs_info = trans->fs_info;
struct btrfs_block_group_cache *cache;
struct btrfs_block_group *cache;
struct btrfs_transaction *cur_trans = trans->transaction;
int ret = 0;
int should_put;
@ -2543,7 +2537,7 @@ int btrfs_write_dirty_block_groups(struct btrfs_trans_handle *trans)
spin_lock(&cur_trans->dirty_bgs_lock);
while (!list_empty(&cur_trans->dirty_bgs)) {
cache = list_first_entry(&cur_trans->dirty_bgs,
struct btrfs_block_group_cache,
struct btrfs_block_group,
dirty_list);
/*
@ -2625,7 +2619,7 @@ int btrfs_write_dirty_block_groups(struct btrfs_trans_handle *trans)
* to use it without any locking
*/
while (!list_empty(io)) {
cache = list_first_entry(io, struct btrfs_block_group_cache,
cache = list_first_entry(io, struct btrfs_block_group,
io_list);
list_del_init(&cache->io_list);
btrfs_wait_cache_io(trans, cache, path);
@ -2640,7 +2634,7 @@ int btrfs_update_block_group(struct btrfs_trans_handle *trans,
u64 bytenr, u64 num_bytes, int alloc)
{
struct btrfs_fs_info *info = trans->fs_info;
struct btrfs_block_group_cache *cache = NULL;
struct btrfs_block_group *cache = NULL;
u64 total = num_bytes;
u64 old_val;
u64 byte_in_group;
@ -2671,7 +2665,7 @@ int btrfs_update_block_group(struct btrfs_trans_handle *trans,
* is because we need the unpinning stage to actually add the
* space back to the block group, otherwise we will leak space.
*/
if (!alloc && !btrfs_block_group_cache_done(cache))
if (!alloc && !btrfs_block_group_done(cache))
btrfs_cache_block_group(cache, 1);
byte_in_group = bytenr - cache->start;
@ -2755,7 +2749,7 @@ int btrfs_update_block_group(struct btrfs_trans_handle *trans,
* reservation and the block group has become read only we cannot make the
* reservation and return -EAGAIN, otherwise this function always succeeds.
*/
int btrfs_add_reserved_bytes(struct btrfs_block_group_cache *cache,
int btrfs_add_reserved_bytes(struct btrfs_block_group *cache,
u64 ram_bytes, u64 num_bytes, int delalloc)
{
struct btrfs_space_info *space_info = cache->space_info;
@ -2791,7 +2785,7 @@ int btrfs_add_reserved_bytes(struct btrfs_block_group_cache *cache,
* A and before transaction A commits you free that leaf, you call this with
* reserve set to 0 in order to clear the reservation.
*/
void btrfs_free_reserved_bytes(struct btrfs_block_group_cache *cache,
void btrfs_free_reserved_bytes(struct btrfs_block_group *cache,
u64 num_bytes, int delalloc)
{
struct btrfs_space_info *space_info = cache->space_info;
@ -3054,7 +3048,7 @@ void check_system_chunk(struct btrfs_trans_handle *trans, u64 type)
void btrfs_put_block_group_cache(struct btrfs_fs_info *info)
{
struct btrfs_block_group_cache *block_group;
struct btrfs_block_group *block_group;
u64 last = 0;
while (1) {
@ -3094,7 +3088,7 @@ void btrfs_put_block_group_cache(struct btrfs_fs_info *info)
*/
int btrfs_free_block_groups(struct btrfs_fs_info *info)
{
struct btrfs_block_group_cache *block_group;
struct btrfs_block_group *block_group;
struct btrfs_space_info *space_info;
struct btrfs_caching_control *caching_ctl;
struct rb_node *n;
@ -3111,7 +3105,7 @@ int btrfs_free_block_groups(struct btrfs_fs_info *info)
spin_lock(&info->unused_bgs_lock);
while (!list_empty(&info->unused_bgs)) {
block_group = list_first_entry(&info->unused_bgs,
struct btrfs_block_group_cache,
struct btrfs_block_group,
bg_list);
list_del_init(&block_group->bg_list);
btrfs_put_block_group(block_group);
@ -3120,7 +3114,7 @@ int btrfs_free_block_groups(struct btrfs_fs_info *info)
spin_lock(&info->block_group_cache_lock);
while ((n = rb_last(&info->block_group_cache_tree)) != NULL) {
block_group = rb_entry(n, struct btrfs_block_group_cache,
block_group = rb_entry(n, struct btrfs_block_group,
cache_node);
rb_erase(&block_group->cache_node,
&info->block_group_cache_tree);

45
fs/btrfs/block-group.h
View File

@ -34,7 +34,7 @@ struct btrfs_caching_control {
struct mutex mutex;
wait_queue_head_t wait;
struct btrfs_work work;
struct btrfs_block_group_cache *block_group;
struct btrfs_block_group *block_group;
u64 progress;
refcount_t count;
};
@ -42,7 +42,7 @@ struct btrfs_caching_control {
/* Once caching_thread() finds this much free space, it will wake up waiters. */
#define CACHING_CTL_WAKE_UP SZ_2M
struct btrfs_block_group_cache {
struct btrfs_block_group {
struct btrfs_fs_info *fs_info;
struct inode *inode;
spinlock_t lock;
@ -160,7 +160,7 @@ struct btrfs_block_group_cache {
#ifdef CONFIG_BTRFS_DEBUG
static inline int btrfs_should_fragment_free_space(
struct btrfs_block_group_cache *block_group)
struct btrfs_block_group *block_group)
{
struct btrfs_fs_info *fs_info = block_group->fs_info;
@ -171,29 +171,29 @@ static inline int btrfs_should_fragment_free_space(
}
#endif
struct btrfs_block_group_cache *btrfs_lookup_first_block_group(
struct btrfs_block_group *btrfs_lookup_first_block_group(
struct btrfs_fs_info *info, u64 bytenr);
struct btrfs_block_group_cache *btrfs_lookup_block_group(
struct btrfs_block_group *btrfs_lookup_block_group(
struct btrfs_fs_info *info, u64 bytenr);
struct btrfs_block_group_cache *btrfs_next_block_group(
struct btrfs_block_group_cache *cache);
void btrfs_get_block_group(struct btrfs_block_group_cache *cache);
void btrfs_put_block_group(struct btrfs_block_group_cache *cache);
struct btrfs_block_group *btrfs_next_block_group(
struct btrfs_block_group *cache);
void btrfs_get_block_group(struct btrfs_block_group *cache);
void btrfs_put_block_group(struct btrfs_block_group *cache);
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);
void btrfs_wait_block_group_reservations(struct btrfs_block_group *bg);
bool btrfs_inc_nocow_writers(struct btrfs_fs_info *fs_info, u64 bytenr);
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_wait_block_group_cache_progress(struct btrfs_block_group_cache *cache,
void btrfs_wait_nocow_writers(struct btrfs_block_group *bg);
void btrfs_wait_block_group_cache_progress(struct btrfs_block_group *cache,
u64 num_bytes);
int btrfs_wait_block_group_cache_done(struct btrfs_block_group_cache *cache);
int btrfs_cache_block_group(struct btrfs_block_group_cache *cache,
int btrfs_wait_block_group_cache_done(struct btrfs_block_group *cache);
int btrfs_cache_block_group(struct btrfs_block_group *cache,
int load_cache_only);
void btrfs_put_caching_control(struct btrfs_caching_control *ctl);
struct btrfs_caching_control *btrfs_get_caching_control(
struct btrfs_block_group_cache *cache);
u64 add_new_free_space(struct btrfs_block_group_cache *block_group,
struct btrfs_block_group *cache);
u64 add_new_free_space(struct btrfs_block_group *block_group,
u64 start, u64 end);
struct btrfs_trans_handle *btrfs_start_trans_remove_block_group(
struct btrfs_fs_info *fs_info,
@ -201,21 +201,21 @@ struct btrfs_trans_handle *btrfs_start_trans_remove_block_group(
int btrfs_remove_block_group(struct btrfs_trans_handle *trans,
u64 group_start, struct extent_map *em);
void btrfs_delete_unused_bgs(struct btrfs_fs_info *fs_info);
void btrfs_mark_bg_unused(struct btrfs_block_group_cache *bg);
void btrfs_mark_bg_unused(struct btrfs_block_group *bg);
int btrfs_read_block_groups(struct btrfs_fs_info *info);
int btrfs_make_block_group(struct btrfs_trans_handle *trans, u64 bytes_used,
u64 type, u64 chunk_offset, u64 size);
void btrfs_create_pending_block_groups(struct btrfs_trans_handle *trans);
int btrfs_inc_block_group_ro(struct btrfs_block_group_cache *cache);
void btrfs_dec_block_group_ro(struct btrfs_block_group_cache *cache);
int btrfs_inc_block_group_ro(struct btrfs_block_group *cache);
void btrfs_dec_block_group_ro(struct btrfs_block_group *cache);
int btrfs_start_dirty_block_groups(struct btrfs_trans_handle *trans);
int btrfs_write_dirty_block_groups(struct btrfs_trans_handle *trans);
int btrfs_setup_space_cache(struct btrfs_trans_handle *trans);
int btrfs_update_block_group(struct btrfs_trans_handle *trans,
u64 bytenr, u64 num_bytes, int alloc);
int btrfs_add_reserved_bytes(struct btrfs_block_group_cache *cache,
int btrfs_add_reserved_bytes(struct btrfs_block_group *cache,
u64 ram_bytes, u64 num_bytes, int delalloc);
void btrfs_free_reserved_bytes(struct btrfs_block_group_cache *cache,
void btrfs_free_reserved_bytes(struct btrfs_block_group *cache,
u64 num_bytes, int delalloc);
int btrfs_chunk_alloc(struct btrfs_trans_handle *trans, u64 flags,
enum btrfs_chunk_alloc_enum force);
@ -240,8 +240,7 @@ static inline u64 btrfs_system_alloc_profile(struct btrfs_fs_info *fs_info)
return btrfs_get_alloc_profile(fs_info, BTRFS_BLOCK_GROUP_SYSTEM);
}
static inline int btrfs_block_group_cache_done(
struct btrfs_block_group_cache *cache)
static inline int btrfs_block_group_done(struct btrfs_block_group *cache)
{
smp_mb();
return cache->cached == BTRFS_CACHE_FINISHED ||

14
fs/btrfs/ctree.h
View File

@ -39,7 +39,7 @@ struct btrfs_transaction;
struct btrfs_pending_snapshot;
struct btrfs_delayed_ref_root;
struct btrfs_space_info;
struct btrfs_block_group_cache;
struct btrfs_block_group;
extern struct kmem_cache *btrfs_trans_handle_cachep;
extern struct kmem_cache *btrfs_bit_radix_cachep;
extern struct kmem_cache *btrfs_path_cachep;
@ -415,7 +415,7 @@ struct btrfs_free_cluster {
/* We did a full search and couldn't create a cluster */
bool fragmented;
struct btrfs_block_group_cache *block_group;
struct btrfs_block_group *block_group;
/*
* when a cluster is allocated from a block group, we put the
* cluster onto a list in the block group so that it can
@ -478,8 +478,8 @@ struct btrfs_swapfile_pin {
void *ptr;
struct inode *inode;
/*
* If true, ptr points to a struct btrfs_block_group_cache. Otherwise,
* ptr points to a struct btrfs_device.
* If true, ptr points to a struct btrfs_block_group. Otherwise, ptr
* points to a struct btrfs_device.
*/
bool is_block_group;
};
@ -2401,7 +2401,7 @@ static inline u64 btrfs_calc_metadata_size(struct btrfs_fs_info *fs_info,
int btrfs_add_excluded_extent(struct btrfs_fs_info *fs_info,
u64 start, u64 num_bytes);
void btrfs_free_excluded_extents(struct btrfs_block_group_cache *cache);
void btrfs_free_excluded_extents(struct btrfs_block_group *cache);
int btrfs_run_delayed_refs(struct btrfs_trans_handle *trans,
unsigned long count);
void btrfs_cleanup_ref_head_accounting(struct btrfs_fs_info *fs_info,
@ -2457,8 +2457,8 @@ int btrfs_inc_extent_ref(struct btrfs_trans_handle *trans,
struct btrfs_ref *generic_ref);
int btrfs_extent_readonly(struct btrfs_fs_info *fs_info, u64 bytenr);
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_get_block_group_trimming(struct btrfs_block_group *cache);
void btrfs_put_block_group_trimming(struct btrfs_block_group *cache);
void btrfs_clear_space_info_full(struct btrfs_fs_info *info);
enum btrfs_reserve_flush_enum {

8
fs/btrfs/disk-io.c
View File

@ -4409,7 +4409,7 @@ again:
return 0;
}
static void btrfs_cleanup_bg_io(struct btrfs_block_group_cache *cache)
static void btrfs_cleanup_bg_io(struct btrfs_block_group *cache)
{
struct inode *inode;
@ -4426,12 +4426,12 @@ static void btrfs_cleanup_bg_io(struct btrfs_block_group_cache *cache)
void btrfs_cleanup_dirty_bgs(struct btrfs_transaction *cur_trans,
struct btrfs_fs_info *fs_info)
{
struct btrfs_block_group_cache *cache;
struct btrfs_block_group *cache;
spin_lock(&cur_trans->dirty_bgs_lock);
while (!list_empty(&cur_trans->dirty_bgs)) {
cache = list_first_entry(&cur_trans->dirty_bgs,
struct btrfs_block_group_cache,
struct btrfs_block_group,
dirty_list);
if (!list_empty(&cache->io_list)) {
@ -4459,7 +4459,7 @@ void btrfs_cleanup_dirty_bgs(struct btrfs_transaction *cur_trans,
*/
while (!list_empty(&cur_trans->io_bgs)) {
cache = list_first_entry(&cur_trans->io_bgs,
struct btrfs_block_group_cache,
struct btrfs_block_group,
io_list);
list_del_init(&cache->io_list);

67
fs/btrfs/extent-tree.c
View File

@ -54,7 +54,7 @@ static int alloc_reserved_tree_block(struct btrfs_trans_handle *trans,
static int find_next_key(struct btrfs_path *path, int level,
struct btrfs_key *key);
static int block_group_bits(struct btrfs_block_group_cache *cache, u64 bits)
static int block_group_bits(struct btrfs_block_group *cache, u64 bits)
{
return (cache->flags & bits) == bits;
}
@ -70,7 +70,7 @@ int btrfs_add_excluded_extent(struct btrfs_fs_info *fs_info,
return 0;
}
void btrfs_free_excluded_extents(struct btrfs_block_group_cache *cache)
void btrfs_free_excluded_extents(struct btrfs_block_group *cache)
{
struct btrfs_fs_info *fs_info = cache->fs_info;
u64 start, end;
@ -2537,7 +2537,7 @@ int btrfs_dec_ref(struct btrfs_trans_handle *trans, struct btrfs_root *root,
int btrfs_extent_readonly(struct btrfs_fs_info *fs_info, u64 bytenr)
{
struct btrfs_block_group_cache *block_group;
struct btrfs_block_group *block_group;
int readonly = 0;
block_group = btrfs_lookup_block_group(fs_info, bytenr);
@ -2567,7 +2567,7 @@ static u64 get_alloc_profile_by_root(struct btrfs_root *root, int data)
static u64 first_logical_byte(struct btrfs_fs_info *fs_info, u64 search_start)
{
struct btrfs_block_group_cache *cache;
struct btrfs_block_group *cache;
u64 bytenr;
spin_lock(&fs_info->block_group_cache_lock);
@ -2587,7 +2587,7 @@ static u64 first_logical_byte(struct btrfs_fs_info *fs_info, u64 search_start)
return bytenr;
}
static int pin_down_extent(struct btrfs_block_group_cache *cache,
static int pin_down_extent(struct btrfs_block_group *cache,
u64 bytenr, u64 num_bytes, int reserved)
{
struct btrfs_fs_info *fs_info = cache->fs_info;
@ -2614,7 +2614,7 @@ static int pin_down_extent(struct btrfs_block_group_cache *cache,
int btrfs_pin_extent(struct btrfs_fs_info *fs_info,
u64 bytenr, u64 num_bytes, int reserved)
{
struct btrfs_block_group_cache *cache;
struct btrfs_block_group *cache;
ASSERT(fs_info->running_transaction);
@ -2633,7 +2633,7 @@ int btrfs_pin_extent(struct btrfs_fs_info *fs_info,
int btrfs_pin_extent_for_log_replay(struct btrfs_fs_info *fs_info,
u64 bytenr, u64 num_bytes)
{
struct btrfs_block_group_cache *cache;
struct btrfs_block_group *cache;
int ret;
cache = btrfs_lookup_block_group(fs_info, bytenr);
@ -2660,7 +2660,7 @@ static int __exclude_logged_extent(struct btrfs_fs_info *fs_info,
u64 start, u64 num_bytes)
{
int ret;
struct btrfs_block_group_cache *block_group;
struct btrfs_block_group *block_group;
struct btrfs_caching_control *caching_ctl;
block_group = btrfs_lookup_block_group(fs_info, start);
@ -2672,7 +2672,7 @@ static int __exclude_logged_extent(struct btrfs_fs_info *fs_info,
if (!caching_ctl) {
/* Logic error */
BUG_ON(!btrfs_block_group_cache_done(block_group));
BUG_ON(!btrfs_block_group_done(block_group));
ret = btrfs_remove_free_space(block_group, start, num_bytes);
} else {
mutex_lock(&caching_ctl->mutex);
@ -2737,7 +2737,7 @@ int btrfs_exclude_logged_extents(struct extent_buffer *eb)
}
static void
btrfs_inc_block_group_reservations(struct btrfs_block_group_cache *bg)
btrfs_inc_block_group_reservations(struct btrfs_block_group *bg)
{
atomic_inc(&bg->reservations);
}
@ -2746,14 +2746,14 @@ void btrfs_prepare_extent_commit(struct btrfs_fs_info *fs_info)
{
struct btrfs_caching_control *next;
struct btrfs_caching_control *caching_ctl;
struct btrfs_block_group_cache *cache;
struct btrfs_block_group *cache;
down_write(&fs_info->commit_root_sem);
list_for_each_entry_safe(caching_ctl, next,
&fs_info->caching_block_groups, list) {
cache = caching_ctl->block_group;
if (btrfs_block_group_cache_done(cache)) {
if (btrfs_block_group_done(cache)) {
cache->last_byte_to_unpin = (u64)-1;
list_del_init(&caching_ctl->list);
btrfs_put_caching_control(caching_ctl);
@ -2805,7 +2805,7 @@ static int unpin_extent_range(struct btrfs_fs_info *fs_info,
u64 start, u64 end,
const bool return_free_space)
{
struct btrfs_block_group_cache *cache = NULL;
struct btrfs_block_group *cache = NULL;
struct btrfs_space_info *space_info;
struct btrfs_block_rsv *global_rsv = &fs_info->global_block_rsv;
struct btrfs_free_cluster *cluster = NULL;
@ -2900,7 +2900,7 @@ static int unpin_extent_range(struct btrfs_fs_info *fs_info,
int btrfs_finish_extent_commit(struct btrfs_trans_handle *trans)
{
struct btrfs_fs_info *fs_info = trans->fs_info;
struct btrfs_block_group_cache *block_group, *tmp;
struct btrfs_block_group *block_group, *tmp;
struct list_head *deleted_bgs;
struct extent_io_tree *unpin;
u64 start;
@ -3282,7 +3282,7 @@ void btrfs_free_tree_block(struct btrfs_trans_handle *trans,
}
if (last_ref && btrfs_header_generation(buf) == trans->transid) {
struct btrfs_block_group_cache *cache;
struct btrfs_block_group *cache;
if (root->root_key.objectid != BTRFS_TREE_LOG_OBJECTID) {
ret = check_ref_cleanup(trans, buf->start);
@ -3369,15 +3369,14 @@ enum btrfs_loop_type {
};
static inline void
btrfs_lock_block_group(struct btrfs_block_group_cache *cache,
btrfs_lock_block_group(struct btrfs_block_group *cache,
int delalloc)
{
if (delalloc)
down_read(&cache->data_rwsem);
}
static inline void
btrfs_grab_block_group(struct btrfs_block_group_cache *cache,
static inline void btrfs_grab_block_group(struct btrfs_block_group *cache,
int delalloc)
{
btrfs_get_block_group(cache);
@ -3385,12 +3384,12 @@ btrfs_grab_block_group(struct btrfs_block_group_cache *cache,
down_read(&cache->data_rwsem);
}
static struct btrfs_block_group_cache *
btrfs_lock_cluster(struct btrfs_block_group_cache *block_group,
static struct btrfs_block_group *btrfs_lock_cluster(
struct btrfs_block_group *block_group,
struct btrfs_free_cluster *cluster,
int delalloc)
{
struct btrfs_block_group_cache *used_bg = NULL;
struct btrfs_block_group *used_bg = NULL;
spin_lock(&cluster->refill_lock);
while (1) {
@ -3424,7 +3423,7 @@ btrfs_lock_cluster(struct btrfs_block_group_cache *block_group,
}
static inline void
btrfs_release_block_group(struct btrfs_block_group_cache *cache,
btrfs_release_block_group(struct btrfs_block_group *cache,
int delalloc)
{
if (delalloc)
@ -3495,12 +3494,12 @@ struct find_free_extent_ctl {
* Return >0 to inform caller that we find nothing
* Return 0 means we have found a location and set ffe_ctl->found_offset.
*/
static int find_free_extent_clustered(struct btrfs_block_group_cache *bg,
static int find_free_extent_clustered(struct btrfs_block_group *bg,
struct btrfs_free_cluster *last_ptr,
struct find_free_extent_ctl *ffe_ctl,
struct btrfs_block_group_cache **cluster_bg_ret)
struct btrfs_block_group **cluster_bg_ret)
{
struct btrfs_block_group_cache *cluster_bg;
struct btrfs_block_group *cluster_bg;
u64 aligned_cluster;
u64 offset;
int ret;
@ -3599,7 +3598,7 @@ refill_cluster:
* Return 0 when we found an free extent and set ffe_ctrl->found_offset
* Return -EAGAIN to inform caller that we need to re-search this block group
*/
static int find_free_extent_unclustered(struct btrfs_block_group_cache *bg,
static int find_free_extent_unclustered(struct btrfs_block_group *bg,
struct btrfs_free_cluster *last_ptr,
struct find_free_extent_ctl *ffe_ctl)
{
@ -3801,7 +3800,7 @@ static noinline int find_free_extent(struct btrfs_fs_info *fs_info,
{
int ret = 0;
struct btrfs_free_cluster *last_ptr = NULL;
struct btrfs_block_group_cache *block_group = NULL;
struct btrfs_block_group *block_group = NULL;
struct find_free_extent_ctl ffe_ctl = {0};
struct btrfs_space_info *space_info;
bool use_cluster = true;
@ -3955,7 +3954,7 @@ search:
}
have_block_group:
ffe_ctl.cached = btrfs_block_group_cache_done(block_group);
ffe_ctl.cached = btrfs_block_group_done(block_group);
if (unlikely(!ffe_ctl.cached)) {
ffe_ctl.have_caching_bg = true;
ret = btrfs_cache_block_group(block_group, 0);
@ -3971,7 +3970,7 @@ have_block_group:
* lets look there
*/
if (last_ptr && use_cluster) {
struct btrfs_block_group_cache *cluster_bg = NULL;
struct btrfs_block_group *cluster_bg = NULL;
ret = find_free_extent_clustered(block_group, last_ptr,
&ffe_ctl, &cluster_bg);
@ -4153,7 +4152,7 @@ static int __btrfs_free_reserved_extent(struct btrfs_fs_info *fs_info,
u64 start, u64 len,
int pin, int delalloc)
{
struct btrfs_block_group_cache *cache;
struct btrfs_block_group *cache;
int ret = 0;
cache = btrfs_lookup_block_group(fs_info, start);
@ -4386,7 +4385,7 @@ int btrfs_alloc_logged_file_extent(struct btrfs_trans_handle *trans,
{
struct btrfs_fs_info *fs_info = trans->fs_info;
int ret;
struct btrfs_block_group_cache *block_group;
struct btrfs_block_group *block_group;
struct btrfs_space_info *space_info;
/*
@ -5500,7 +5499,7 @@ int btrfs_drop_subtree(struct btrfs_trans_handle *trans,
*/
u64 btrfs_account_ro_block_groups_free_space(struct btrfs_space_info *sinfo)
{
struct btrfs_block_group_cache *block_group;
struct btrfs_block_group *block_group;
u64 free_bytes = 0;
int factor;
@ -5642,7 +5641,7 @@ static int btrfs_trim_free_extents(struct btrfs_device *device, u64 *trimmed)
*/
int btrfs_trim_fs(struct btrfs_fs_info *fs_info, struct fstrim_range *range)
{
struct btrfs_block_group_cache *cache = NULL;
struct btrfs_block_group *cache = NULL;
struct btrfs_device *device;
struct list_head *devices;
u64 group_trimmed;
@ -5675,7 +5674,7 @@ int btrfs_trim_fs(struct btrfs_fs_info *fs_info, struct fstrim_range *range)
end = min(range_end, cache->start + cache->length);
if (end - start >= range->minlen) {
if (!btrfs_block_group_cache_done(cache)) {
if (!btrfs_block_group_done(cache)) {
ret = btrfs_cache_block_group(cache, 0);
if (ret) {
bg_failed++;

71
fs/btrfs/free-space-cache.c
View File

@ -91,8 +91,7 @@ static struct inode *__lookup_free_space_inode(struct btrfs_root *root,
return inode;
}
struct inode *lookup_free_space_inode(
struct btrfs_block_group_cache *block_group,
struct inode *lookup_free_space_inode(struct btrfs_block_group *block_group,
struct btrfs_path *path)
{
struct btrfs_fs_info *fs_info = block_group->fs_info;
@ -190,7 +189,7 @@ static int __create_free_space_inode(struct btrfs_root *root,
}
int create_free_space_inode(struct btrfs_trans_handle *trans,
struct btrfs_block_group_cache *block_group,
struct btrfs_block_group *block_group,
struct btrfs_path *path)
{
int ret;
@ -224,7 +223,7 @@ int btrfs_check_trunc_cache_free_space(struct btrfs_fs_info *fs_info,
}
int btrfs_truncate_free_space_cache(struct btrfs_trans_handle *trans,
struct btrfs_block_group_cache *block_group,
struct btrfs_block_group *block_group,
struct inode *inode)
{
struct btrfs_root *root = BTRFS_I(inode)->root;
@ -820,7 +819,7 @@ free_cache:
goto out;
}
int load_free_space_cache(struct btrfs_block_group_cache *block_group)
int load_free_space_cache(struct btrfs_block_group *block_group)
{
struct btrfs_fs_info *fs_info = block_group->fs_info;
struct btrfs_free_space_ctl *ctl = block_group->free_space_ctl;
@ -919,7 +918,7 @@ out:
static noinline_for_stack
int write_cache_extent_entries(struct btrfs_io_ctl *io_ctl,
struct btrfs_free_space_ctl *ctl,
struct btrfs_block_group_cache *block_group,
struct btrfs_block_group *block_group,
int *entries, int *bitmaps,
struct list_head *bitmap_list)
{
@ -1047,7 +1046,7 @@ fail:
}
static noinline_for_stack int write_pinned_extent_entries(
struct btrfs_block_group_cache *block_group,
struct btrfs_block_group *block_group,
struct btrfs_io_ctl *io_ctl,
int *entries)
{
@ -1146,7 +1145,7 @@ cleanup_write_cache_enospc(struct inode *inode,
static int __btrfs_wait_cache_io(struct btrfs_root *root,
struct btrfs_trans_handle *trans,
struct btrfs_block_group_cache *block_group,
struct btrfs_block_group *block_group,
struct btrfs_io_ctl *io_ctl,
struct btrfs_path *path, u64 offset)
{
@ -1215,7 +1214,7 @@ static int btrfs_wait_cache_io_root(struct btrfs_root *root,
}
int btrfs_wait_cache_io(struct btrfs_trans_handle *trans,
struct btrfs_block_group_cache *block_group,
struct btrfs_block_group *block_group,
struct btrfs_path *path)
{
return __btrfs_wait_cache_io(block_group->fs_info->tree_root, trans,
@ -1236,7 +1235,7 @@ int btrfs_wait_cache_io(struct btrfs_trans_handle *trans,
*/
static int __btrfs_write_out_cache(struct btrfs_root *root, struct inode *inode,
struct btrfs_free_space_ctl *ctl,
struct btrfs_block_group_cache *block_group,
struct btrfs_block_group *block_group,
struct btrfs_io_ctl *io_ctl,
struct btrfs_trans_handle *trans)
{
@ -1374,7 +1373,7 @@ out_unlock:
}
int btrfs_write_out_cache(struct btrfs_trans_handle *trans,
struct btrfs_block_group_cache *block_group,
struct btrfs_block_group *block_group,
struct btrfs_path *path)
{
struct btrfs_fs_info *fs_info = trans->fs_info;
@ -1652,7 +1651,7 @@ static int link_free_space(struct btrfs_free_space_ctl *ctl,
static void recalculate_thresholds(struct btrfs_free_space_ctl *ctl)
{
struct btrfs_block_group_cache *block_group = ctl->private;
struct btrfs_block_group *block_group = ctl->private;
u64 max_bytes;
u64 bitmap_bytes;
u64 extent_bytes;
@ -1996,7 +1995,7 @@ static u64 add_bytes_to_bitmap(struct btrfs_free_space_ctl *ctl,
static bool use_bitmap(struct btrfs_free_space_ctl *ctl,
struct btrfs_free_space *info)
{
struct btrfs_block_group_cache *block_group = ctl->private;
struct btrfs_block_group *block_group = ctl->private;
struct btrfs_fs_info *fs_info = block_group->fs_info;
bool forced = false;
@ -2048,7 +2047,7 @@ static int insert_into_bitmap(struct btrfs_free_space_ctl *ctl,
struct btrfs_free_space *info)
{
struct btrfs_free_space *bitmap_info;
struct btrfs_block_group_cache *block_group = NULL;
struct btrfs_block_group *block_group = NULL;
int added = 0;
u64 bytes, offset, bytes_added;
int ret;
@ -2385,7 +2384,7 @@ out:
return ret;
}
int btrfs_add_free_space(struct btrfs_block_group_cache *block_group,
int btrfs_add_free_space(struct btrfs_block_group *block_group,
u64 bytenr, u64 size)
{
return __btrfs_add_free_space(block_group->fs_info,
@ -2393,7 +2392,7 @@ int btrfs_add_free_space(struct btrfs_block_group_cache *block_group,
bytenr, size);
}
int btrfs_remove_free_space(struct btrfs_block_group_cache *block_group,
int btrfs_remove_free_space(struct btrfs_block_group *block_group,
u64 offset, u64 bytes)
{
struct btrfs_free_space_ctl *ctl = block_group->free_space_ctl;
@ -2483,7 +2482,7 @@ out:
return ret;
}
void btrfs_dump_free_space(struct btrfs_block_group_cache *block_group,
void btrfs_dump_free_space(struct btrfs_block_group *block_group,
u64 bytes)
{
struct btrfs_fs_info *fs_info = block_group->fs_info;
@ -2508,7 +2507,7 @@ void btrfs_dump_free_space(struct btrfs_block_group_cache *block_group,
"%d blocks of free space at or bigger than bytes is", count);
}
void btrfs_init_free_space_ctl(struct btrfs_block_group_cache *block_group)
void btrfs_init_free_space_ctl(struct btrfs_block_group *block_group)
{
struct btrfs_fs_info *fs_info = block_group->fs_info;
struct btrfs_free_space_ctl *ctl = block_group->free_space_ctl;
@ -2537,7 +2536,7 @@ void btrfs_init_free_space_ctl(struct btrfs_block_group_cache *block_group)
*/
static int
__btrfs_return_cluster_to_free_space(
struct btrfs_block_group_cache *block_group,
struct btrfs_block_group *block_group,
struct btrfs_free_cluster *cluster)
{
struct btrfs_free_space_ctl *ctl = block_group->free_space_ctl;
@ -2603,7 +2602,7 @@ void __btrfs_remove_free_space_cache(struct btrfs_free_space_ctl *ctl)
spin_unlock(&ctl->tree_lock);
}
void btrfs_remove_free_space_cache(struct btrfs_block_group_cache *block_group)
void btrfs_remove_free_space_cache(struct btrfs_block_group *block_group)
{
struct btrfs_free_space_ctl *ctl = block_group->free_space_ctl;
struct btrfs_free_cluster *cluster;
@ -2625,7 +2624,7 @@ void btrfs_remove_free_space_cache(struct btrfs_block_group_cache *block_group)
}
u64 btrfs_find_space_for_alloc(struct btrfs_block_group_cache *block_group,
u64 btrfs_find_space_for_alloc(struct btrfs_block_group *block_group,
u64 offset, u64 bytes, u64 empty_size,
u64 *max_extent_size)
{
@ -2679,7 +2678,7 @@ out:
* cluster and remove the cluster from it.
*/
int btrfs_return_cluster_to_free_space(
struct btrfs_block_group_cache *block_group,
struct btrfs_block_group *block_group,
struct btrfs_free_cluster *cluster)
{
struct btrfs_free_space_ctl *ctl;
@ -2713,7 +2712,7 @@ int btrfs_return_cluster_to_free_space(
return ret;
}
static u64 btrfs_alloc_from_bitmap(struct btrfs_block_group_cache *block_group,
static u64 btrfs_alloc_from_bitmap(struct btrfs_block_group *block_group,
struct btrfs_free_cluster *cluster,
struct btrfs_free_space *entry,
u64 bytes, u64 min_start,
@ -2746,7 +2745,7 @@ static u64 btrfs_alloc_from_bitmap(struct btrfs_block_group_cache *block_group,
* if it couldn't find anything suitably large, or a logical disk offset
* if things worked out
*/
u64 btrfs_alloc_from_cluster(struct btrfs_block_group_cache *block_group,
u64 btrfs_alloc_from_cluster(struct btrfs_block_group *block_group,
struct btrfs_free_cluster *cluster, u64 bytes,
u64 min_start, u64 *max_extent_size)
{
@ -2832,7 +2831,7 @@ out:
return ret;
}
static int btrfs_bitmap_cluster(struct btrfs_block_group_cache *block_group,
static int btrfs_bitmap_cluster(struct btrfs_block_group *block_group,
struct btrfs_free_space *entry,
struct btrfs_free_cluster *cluster,
u64 offset, u64 bytes,
@ -2914,7 +2913,7 @@ again:
* extent of cont1_bytes, and other clusters of at least min_bytes.
*/
static noinline int
setup_cluster_no_bitmap(struct btrfs_block_group_cache *block_group,
setup_cluster_no_bitmap(struct btrfs_block_group *block_group,
struct btrfs_free_cluster *cluster,
struct list_head *bitmaps, u64 offset, u64 bytes,
u64 cont1_bytes, u64 min_bytes)
@ -3005,7 +3004,7 @@ setup_cluster_no_bitmap(struct btrfs_block_group_cache *block_group,
* that we have already failed to find extents that will work.
*/
static noinline int
setup_cluster_bitmap(struct btrfs_block_group_cache *block_group,
setup_cluster_bitmap(struct btrfs_block_group *block_group,
struct btrfs_free_cluster *cluster,
struct list_head *bitmaps, u64 offset, u64 bytes,
u64 cont1_bytes, u64 min_bytes)
@ -3055,7 +3054,7 @@ 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_block_group_cache *block_group,
int btrfs_find_space_cluster(struct btrfs_block_group *block_group,
struct btrfs_free_cluster *cluster,
u64 offset, u64 bytes, u64 empty_size)
{
@ -3146,7 +3145,7 @@ void btrfs_init_free_cluster(struct btrfs_free_cluster *cluster)
cluster->block_group = NULL;
}
static int do_trimming(struct btrfs_block_group_cache *block_group,
static int do_trimming(struct btrfs_block_group *block_group,
u64 *total_trimmed, u64 start, u64 bytes,
u64 reserved_start, u64 reserved_bytes,
struct btrfs_trim_range *trim_entry)
@ -3191,7 +3190,7 @@ static int do_trimming(struct btrfs_block_group_cache *block_group,
return ret;
}
static int trim_no_bitmap(struct btrfs_block_group_cache *block_group,
static int trim_no_bitmap(struct btrfs_block_group *block_group,
u64 *total_trimmed, u64 start, u64 end, u64 minlen)
{
struct btrfs_free_space_ctl *ctl = block_group->free_space_ctl;
@ -3276,7 +3275,7 @@ out:
return ret;
}
static int trim_bitmaps(struct btrfs_block_group_cache *block_group,
static int trim_bitmaps(struct btrfs_block_group *block_group,
u64 *total_trimmed, u64 start, u64 end, u64 minlen)
{
struct btrfs_free_space_ctl *ctl = block_group->free_space_ctl;
@ -3357,12 +3356,12 @@ next:
return ret;
}
void btrfs_get_block_group_trimming(struct btrfs_block_group_cache *cache)
void btrfs_get_block_group_trimming(struct btrfs_block_group *cache)
{
atomic_inc(&cache->trimming);
}
void btrfs_put_block_group_trimming(struct btrfs_block_group_cache *block_group)
void btrfs_put_block_group_trimming(struct btrfs_block_group *block_group)
{
struct btrfs_fs_info *fs_info = block_group->fs_info;
struct extent_map_tree *em_tree;
@ -3397,7 +3396,7 @@ void btrfs_put_block_group_trimming(struct btrfs_block_group_cache *block_group)
}
}
int btrfs_trim_block_group(struct btrfs_block_group_cache *block_group,
int btrfs_trim_block_group(struct btrfs_block_group *block_group,
u64 *trimmed, u64 start, u64 end, u64 minlen)
{
int ret;
@ -3595,7 +3594,7 @@ int btrfs_write_out_ino_cache(struct btrfs_root *root,
* how the free space cache loading stuff works, so you can get really weird
* configurations.
*/
int test_add_free_space_entry(struct btrfs_block_group_cache *cache,
int test_add_free_space_entry(struct btrfs_block_group *cache,
u64 offset, u64 bytes, bool bitmap)
{
struct btrfs_free_space_ctl *ctl = cache->free_space_ctl;
@ -3663,7 +3662,7 @@ again:
* just used to check the absence of space, so if there is free space in the
* range at all we will return 1.
*/
int test_check_exists(struct btrfs_block_group_cache *cache,
int test_check_exists(struct btrfs_block_group *cache,
u64 offset, u64 bytes)
{
struct btrfs_free_space_ctl *ctl = cache->free_space_ctl;

39
fs/btrfs/free-space-cache.h
View File

@ -50,24 +50,23 @@ struct btrfs_io_ctl {
unsigned check_crcs:1;
};
struct inode *lookup_free_space_inode(
struct btrfs_block_group_cache *block_group,
struct inode *lookup_free_space_inode(struct btrfs_block_group *block_group,
struct btrfs_path *path);
int create_free_space_inode(struct btrfs_trans_handle *trans,
struct btrfs_block_group_cache *block_group,
struct btrfs_block_group *block_group,
struct btrfs_path *path);
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_trans_handle *trans,
struct btrfs_block_group_cache *block_group,
struct btrfs_block_group *block_group,
struct inode *inode);
int load_free_space_cache(struct btrfs_block_group_cache *block_group);
int load_free_space_cache(struct btrfs_block_group *block_group);
int btrfs_wait_cache_io(struct btrfs_trans_handle *trans,
struct btrfs_block_group_cache *block_group,
struct btrfs_block_group *block_group,
struct btrfs_path *path);
int btrfs_write_out_cache(struct btrfs_trans_handle *trans,
struct btrfs_block_group_cache *block_group,
struct btrfs_block_group *block_group,
struct btrfs_path *path);
struct inode *lookup_free_ino_inode(struct btrfs_root *root,
struct btrfs_path *path);
@ -81,42 +80,40 @@ int btrfs_write_out_ino_cache(struct btrfs_root *root,
struct btrfs_path *path,
struct inode *inode);
void btrfs_init_free_space_ctl(struct btrfs_block_group_cache *block_group);
void btrfs_init_free_space_ctl(struct btrfs_block_group *block_group);
int __btrfs_add_free_space(struct btrfs_fs_info *fs_info,
struct btrfs_free_space_ctl *ctl,
u64 bytenr, u64 size);
int btrfs_add_free_space(struct btrfs_block_group_cache *block_group,
int btrfs_add_free_space(struct btrfs_block_group *block_group,
u64 bytenr, u64 size);
int btrfs_remove_free_space(struct btrfs_block_group_cache *block_group,
int btrfs_remove_free_space(struct btrfs_block_group *block_group,
u64 bytenr, u64 size);
void __btrfs_remove_free_space_cache(struct btrfs_free_space_ctl *ctl);
void btrfs_remove_free_space_cache(struct btrfs_block_group_cache
*block_group);
u64 btrfs_find_space_for_alloc(struct btrfs_block_group_cache *block_group,
void btrfs_remove_free_space_cache(struct btrfs_block_group *block_group);
u64 btrfs_find_space_for_alloc(struct btrfs_block_group *block_group,
u64 offset, u64 bytes, u64 empty_size,
u64 *max_extent_size);
u64 btrfs_find_ino_for_alloc(struct btrfs_root *fs_root);
void btrfs_dump_free_space(struct btrfs_block_group_cache *block_group,
void btrfs_dump_free_space(struct btrfs_block_group *block_group,
u64 bytes);
int btrfs_find_space_cluster(struct btrfs_block_group_cache *block_group,
int btrfs_find_space_cluster(struct btrfs_block_group *block_group,
struct btrfs_free_cluster *cluster,
u64 offset, u64 bytes, u64 empty_size);
void btrfs_init_free_cluster(struct btrfs_free_cluster *cluster);
u64 btrfs_alloc_from_cluster(struct btrfs_block_group_cache *block_group,
u64 btrfs_alloc_from_cluster(struct btrfs_block_group *block_group,
struct btrfs_free_cluster *cluster, u64 bytes,
u64 min_start, u64 *max_extent_size);
int btrfs_return_cluster_to_free_space(
struct btrfs_block_group_cache *block_group,
struct btrfs_block_group *block_group,
struct btrfs_free_cluster *cluster);
int btrfs_trim_block_group(struct btrfs_block_group_cache *block_group,
int btrfs_trim_block_group(struct btrfs_block_group *block_group,
u64 *trimmed, u64 start, u64 end, u64 minlen);
/* Support functions for running our sanity tests */
#ifdef CONFIG_BTRFS_FS_RUN_SANITY_TESTS
int test_add_free_space_entry(struct btrfs_block_group_cache *cache,
int test_add_free_space_entry(struct btrfs_block_group *cache,
u64 offset, u64 bytes, bool bitmap);
int test_check_exists(struct btrfs_block_group_cache *cache,
u64 offset, u64 bytes);
int test_check_exists(struct btrfs_block_group *cache, u64 offset, u64 bytes);
#endif
#endif

50
fs/btrfs/free-space-tree.c
View File

@ -13,10 +13,10 @@
#include "block-group.h"
static int __add_block_group_free_space(struct btrfs_trans_handle *trans,
struct btrfs_block_group_cache *block_group,
struct btrfs_block_group *block_group,
struct btrfs_path *path);
void set_free_space_tree_thresholds(struct btrfs_block_group_cache *cache)
void set_free_space_tree_thresholds(struct btrfs_block_group *cache)
{
u32 bitmap_range;
size_t bitmap_size;
@ -44,7 +44,7 @@ void set_free_space_tree_thresholds(struct btrfs_block_group_cache *cache)
}
static int add_new_free_space_info(struct btrfs_trans_handle *trans,
struct btrfs_block_group_cache *block_group,
struct btrfs_block_group *block_group,
struct btrfs_path *path)
{
struct btrfs_root *root = trans->fs_info->free_space_root;
@ -77,7 +77,7 @@ out:
EXPORT_FOR_TESTS
struct btrfs_free_space_info *search_free_space_info(
struct btrfs_trans_handle *trans,
struct btrfs_block_group_cache *block_group,
struct btrfs_block_group *block_group,
struct btrfs_path *path, int cow)
{
struct btrfs_fs_info *fs_info = block_group->fs_info;
@ -179,7 +179,7 @@ static void le_bitmap_set(unsigned long *map, unsigned int start, int len)
EXPORT_FOR_TESTS
int convert_free_space_to_bitmaps(struct btrfs_trans_handle *trans,
struct btrfs_block_group_cache *block_group,
struct btrfs_block_group *block_group,
struct btrfs_path *path)
{
struct btrfs_fs_info *fs_info = trans->fs_info;
@ -319,7 +319,7 @@ out:
EXPORT_FOR_TESTS
int convert_free_space_to_extents(struct btrfs_trans_handle *trans,
struct btrfs_block_group_cache *block_group,
struct btrfs_block_group *block_group,
struct btrfs_path *path)
{
struct btrfs_fs_info *fs_info = trans->fs_info;
@ -452,7 +452,7 @@ out:
}
static int update_free_space_extent_count(struct btrfs_trans_handle *trans,
struct btrfs_block_group_cache *block_group,
struct btrfs_block_group *block_group,
struct btrfs_path *path,
int new_extents)
{
@ -490,7 +490,7 @@ out:
}
EXPORT_FOR_TESTS
int free_space_test_bit(struct btrfs_block_group_cache *block_group,
int free_space_test_bit(struct btrfs_block_group *block_group,
struct btrfs_path *path, u64 offset)
{
struct extent_buffer *leaf;
@ -512,7 +512,7 @@ int free_space_test_bit(struct btrfs_block_group_cache *block_group,
return !!extent_buffer_test_bit(leaf, ptr, i);
}
static void free_space_set_bits(struct btrfs_block_group_cache *block_group,
static void free_space_set_bits(struct btrfs_block_group *block_group,
struct btrfs_path *path, u64 *start, u64 *size,
int bit)
{
@ -580,7 +580,7 @@ static int free_space_next_bitmap(struct btrfs_trans_handle *trans,
* the bitmap.
*/
static int modify_free_space_bitmap(struct btrfs_trans_handle *trans,
struct btrfs_block_group_cache *block_group,
struct btrfs_block_group *block_group,
struct btrfs_path *path,
u64 start, u64 size, int remove)
{
@ -693,7 +693,7 @@ out:
}
static int remove_free_space_extent(struct btrfs_trans_handle *trans,
struct btrfs_block_group_cache *block_group,
struct btrfs_block_group *block_group,
struct btrfs_path *path,
u64 start, u64 size)
{
@ -780,7 +780,7 @@ out:
EXPORT_FOR_TESTS
int __remove_from_free_space_tree(struct btrfs_trans_handle *trans,
struct btrfs_block_group_cache *block_group,
struct btrfs_block_group *block_group,
struct btrfs_path *path, u64 start, u64 size)
{
struct btrfs_free_space_info *info;
@ -811,7 +811,7 @@ int __remove_from_free_space_tree(struct btrfs_trans_handle *trans,
int remove_from_free_space_tree(struct btrfs_trans_handle *trans,
u64 start, u64 size)
{
struct btrfs_block_group_cache *block_group;
struct btrfs_block_group *block_group;
struct btrfs_path *path;
int ret;
@ -845,7 +845,7 @@ out:
}
static int add_free_space_extent(struct btrfs_trans_handle *trans,
struct btrfs_block_group_cache *block_group,
struct btrfs_block_group *block_group,
struct btrfs_path *path,
u64 start, u64 size)
{
@ -973,7 +973,7 @@ out:
EXPORT_FOR_TESTS
int __add_to_free_space_tree(struct btrfs_trans_handle *trans,
struct btrfs_block_group_cache *block_group,
struct btrfs_block_group *block_group,
struct btrfs_path *path, u64 start, u64 size)
{
struct btrfs_free_space_info *info;
@ -1004,7 +1004,7 @@ int __add_to_free_space_tree(struct btrfs_trans_handle *trans,
int add_to_free_space_tree(struct btrfs_trans_handle *trans,
u64 start, u64 size)
{
struct btrfs_block_group_cache *block_group;
struct btrfs_block_group *block_group;
struct btrfs_path *path;
int ret;
@ -1042,7 +1042,7 @@ out:
* through the normal add/remove hooks.
*/
static int populate_free_space_tree(struct btrfs_trans_handle *trans,
struct btrfs_block_group_cache *block_group)
struct btrfs_block_group *block_group)
{
struct btrfs_root *extent_root = trans->fs_info->extent_root;
struct btrfs_path *path, *path2;
@ -1139,7 +1139,7 @@ int btrfs_create_free_space_tree(struct btrfs_fs_info *fs_info)
struct btrfs_trans_handle *trans;
struct btrfs_root *tree_root = fs_info->tree_root;
struct btrfs_root *free_space_root;
struct btrfs_block_group_cache *block_group;
struct btrfs_block_group *block_group;
struct rb_node *node;
int ret;
@ -1158,7 +1158,7 @@ int btrfs_create_free_space_tree(struct btrfs_fs_info *fs_info)
node = rb_first(&fs_info->block_group_cache_tree);
while (node) {
block_group = rb_entry(node, struct btrfs_block_group_cache,
block_group = rb_entry(node, struct btrfs_block_group,
cache_node);
ret = populate_free_space_tree(trans, block_group);
if (ret)
@ -1264,7 +1264,7 @@ abort:
}
static int __add_block_group_free_space(struct btrfs_trans_handle *trans,
struct btrfs_block_group_cache *block_group,
struct btrfs_block_group *block_group,
struct btrfs_path *path)
{
int ret;
@ -1281,7 +1281,7 @@ static int __add_block_group_free_space(struct btrfs_trans_handle *trans,
}
int add_block_group_free_space(struct btrfs_trans_handle *trans,
struct btrfs_block_group_cache *block_group)
struct btrfs_block_group *block_group)
{
struct btrfs_fs_info *fs_info = trans->fs_info;
struct btrfs_path *path = NULL;
@ -1311,7 +1311,7 @@ out:
}
int remove_block_group_free_space(struct btrfs_trans_handle *trans,
struct btrfs_block_group_cache *block_group)
struct btrfs_block_group *block_group)
{
struct btrfs_root *root = trans->fs_info->free_space_root;
struct btrfs_path *path;
@ -1390,7 +1390,7 @@ static int load_free_space_bitmaps(struct btrfs_caching_control *caching_ctl,
struct btrfs_path *path,
u32 expected_extent_count)
{
struct btrfs_block_group_cache *block_group;
struct btrfs_block_group *block_group;
struct btrfs_fs_info *fs_info;
struct btrfs_root *root;
struct btrfs_key key;
@ -1471,7 +1471,7 @@ static int load_free_space_extents(struct btrfs_caching_control *caching_ctl,
struct btrfs_path *path,
u32 expected_extent_count)
{
struct btrfs_block_group_cache *block_group;
struct btrfs_block_group *block_group;
struct btrfs_fs_info *fs_info;
struct btrfs_root *root;
struct btrfs_key key;
@ -1531,7 +1531,7 @@ out:
int load_free_space_tree(struct btrfs_caching_control *caching_ctl)
{
struct btrfs_block_group_cache *block_group;
struct btrfs_block_group *block_group;
struct btrfs_free_space_info *info;
struct btrfs_path *path;
u32 extent_count, flags;

18
fs/btrfs/free-space-tree.h
View File

@ -16,14 +16,14 @@ struct btrfs_caching_control;
#define BTRFS_FREE_SPACE_BITMAP_SIZE 256
#define BTRFS_FREE_SPACE_BITMAP_BITS (BTRFS_FREE_SPACE_BITMAP_SIZE * BITS_PER_BYTE)
void set_free_space_tree_thresholds(struct btrfs_block_group_cache *block_group);
void set_free_space_tree_thresholds(struct btrfs_block_group *block_group);
int btrfs_create_free_space_tree(struct btrfs_fs_info *fs_info);
int btrfs_clear_free_space_tree(struct btrfs_fs_info *fs_info);
int load_free_space_tree(struct btrfs_caching_control *caching_ctl);
int add_block_group_free_space(struct btrfs_trans_handle *trans,
struct btrfs_block_group_cache *block_group);
struct btrfs_block_group *block_group);
int remove_block_group_free_space(struct btrfs_trans_handle *trans,
struct btrfs_block_group_cache *block_group);
struct btrfs_block_group *block_group);
int add_to_free_space_tree(struct btrfs_trans_handle *trans,
u64 start, u64 size);
int remove_from_free_space_tree(struct btrfs_trans_handle *trans,
@ -32,21 +32,21 @@ int remove_from_free_space_tree(struct btrfs_trans_handle *trans,
#ifdef CONFIG_BTRFS_FS_RUN_SANITY_TESTS
struct btrfs_free_space_info *
search_free_space_info(struct btrfs_trans_handle *trans,
struct btrfs_block_group_cache *block_group,
struct btrfs_block_group *block_group,
struct btrfs_path *path, int cow);
int __add_to_free_space_tree(struct btrfs_trans_handle *trans,
struct btrfs_block_group_cache *block_group,
struct btrfs_block_group *block_group,
struct btrfs_path *path, u64 start, u64 size);
int __remove_from_free_space_tree(struct btrfs_trans_handle *trans,
struct btrfs_block_group_cache *block_group,
struct btrfs_block_group *block_group,
struct btrfs_path *path, u64 start, u64 size);
int convert_free_space_to_bitmaps(struct btrfs_trans_handle *trans,
struct btrfs_block_group_cache *block_group,
struct btrfs_block_group *block_group,
struct btrfs_path *path);
int convert_free_space_to_extents(struct btrfs_trans_handle *trans,
struct btrfs_block_group_cache *block_group,
struct btrfs_block_group *block_group,
struct btrfs_path *path);
int free_space_test_bit(struct btrfs_block_group_cache *block_group,
int free_space_test_bit(struct btrfs_block_group *block_group,
struct btrfs_path *path, u64 offset);
#endif

4
fs/btrfs/inode.c
View File

@ -3040,7 +3040,7 @@ out_kfree:
static void btrfs_release_delalloc_bytes(struct btrfs_fs_info *fs_info,
u64 start, u64 len)
{
struct btrfs_block_group_cache *cache;
struct btrfs_block_group *cache;
cache = btrfs_lookup_block_group(fs_info, start);
ASSERT(cache);
@ -10837,7 +10837,7 @@ static int btrfs_swap_activate(struct swap_info_struct *sis, struct file *file,
start = 0;
while (start < isize) {
u64 logical_block_start, physical_block_start;
struct btrfs_block_group_cache *bg;
struct btrfs_block_group *bg;
u64 len = isize - start;
em = btrfs_get_extent(BTRFS_I(inode), NULL, 0, start, len, 0);

2
fs/btrfs/ioctl.c
View File

@ -4031,7 +4031,7 @@ out:
static void get_block_group_info(struct list_head *groups_list,
struct btrfs_ioctl_space_info *space)
{
struct btrfs_block_group_cache *block_group;
struct btrfs_block_group *block_group;
space->total_bytes = 0;
space->used_bytes = 0;

2
fs/btrfs/qgroup.c
View File

@ -3823,7 +3823,7 @@ out:
*/
int btrfs_qgroup_add_swapped_blocks(struct btrfs_trans_handle *trans,
struct btrfs_root *subvol_root,
struct btrfs_block_group_cache *bg,
struct btrfs_block_group *bg,
struct extent_buffer *subvol_parent, int subvol_slot,
struct extent_buffer *reloc_parent, int reloc_slot,
u64 last_snapshot)

2
fs/btrfs/qgroup.h
View File

@ -408,7 +408,7 @@ void btrfs_qgroup_init_swapped_blocks(
void btrfs_qgroup_clean_swapped_blocks(struct btrfs_root *root);
int btrfs_qgroup_add_swapped_blocks(struct btrfs_trans_handle *trans,
struct btrfs_root *subvol_root,
struct btrfs_block_group_cache *bg,
struct btrfs_block_group *bg,
struct extent_buffer *subvol_parent, int subvol_slot,
struct extent_buffer *reloc_parent, int reloc_slot,
u64 last_snapshot);

2
fs/btrfs/reada.c
View File

@ -227,7 +227,7 @@ static struct reada_zone *reada_find_zone(struct btrfs_device *dev, u64 logical,
struct btrfs_fs_info *fs_info = dev->fs_info;
int ret;
struct reada_zone *zone;
struct btrfs_block_group_cache *cache = NULL;
struct btrfs_block_group *cache = NULL;
u64 start;
u64 end;
int i;

13
fs/btrfs/relocation.c
View File

@ -147,7 +147,7 @@ struct file_extent_cluster {
struct reloc_control {
/* block group to relocate */
struct btrfs_block_group_cache *block_group;
struct btrfs_block_group *block_group;
/* extent tree */
struct btrfs_root *extent_root;
/* inode for moving data */
@ -1560,8 +1560,7 @@ again:
return NULL;
}
static int in_block_group(u64 bytenr,
struct btrfs_block_group_cache *block_group)
static int in_block_group(u64 bytenr, struct btrfs_block_group *block_group)
{
if (bytenr >= block_group->start &&
bytenr < block_group->start + block_group->length)
@ -3544,7 +3543,7 @@ static int block_use_full_backref(struct reloc_control *rc,
}
static int delete_block_group_cache(struct btrfs_fs_info *fs_info,
struct btrfs_block_group_cache *block_group,
struct btrfs_block_group *block_group,
struct inode *inode,
u64 ino)
{
@ -4219,7 +4218,7 @@ out:
*/
static noinline_for_stack
struct inode *create_reloc_inode(struct btrfs_fs_info *fs_info,
struct btrfs_block_group_cache *group)
struct btrfs_block_group *group)
{
struct inode *inode = NULL;
struct btrfs_trans_handle *trans;
@ -4283,7 +4282,7 @@ static struct reloc_control *alloc_reloc_control(struct btrfs_fs_info *fs_info)
* Print the block group being relocated
*/
static void describe_relocation(struct btrfs_fs_info *fs_info,
struct btrfs_block_group_cache *block_group)
struct btrfs_block_group *block_group)
{
char buf[128] = {'\0'};
@ -4299,7 +4298,7 @@ static void describe_relocation(struct btrfs_fs_info *fs_info,
*/
int btrfs_relocate_block_group(struct btrfs_fs_info *fs_info, u64 group_start)
{
struct btrfs_block_group_cache *bg;
struct btrfs_block_group *bg;
struct btrfs_root *extent_root = fs_info->extent_root;
struct reloc_control *rc;
struct inode *inode;

11
fs/btrfs/scrub.c
View File

@ -389,8 +389,7 @@ static struct full_stripe_lock *search_full_stripe_lock(
*
* Caller must ensure @cache is a RAID56 block group.
*/
static u64 get_full_stripe_logical(struct btrfs_block_group_cache *cache,
u64 bytenr)
static u64 get_full_stripe_logical(struct btrfs_block_group *cache, u64 bytenr)
{
u64 ret;
@ -423,7 +422,7 @@ static u64 get_full_stripe_logical(struct btrfs_block_group_cache *cache,
static int lock_full_stripe(struct btrfs_fs_info *fs_info, u64 bytenr,
bool *locked_ret)
{
struct btrfs_block_group_cache *bg_cache;
struct btrfs_block_group *bg_cache;
struct btrfs_full_stripe_locks_tree *locks_root;
struct full_stripe_lock *existing;
u64 fstripe_start;
@ -470,7 +469,7 @@ out:
static int unlock_full_stripe(struct btrfs_fs_info *fs_info, u64 bytenr,
bool locked)
{
struct btrfs_block_group_cache *bg_cache;
struct btrfs_block_group *bg_cache;
struct btrfs_full_stripe_locks_tree *locks_root;
struct full_stripe_lock *fstripe_lock;
u64 fstripe_start;
@ -3417,7 +3416,7 @@ static noinline_for_stack int scrub_chunk(struct scrub_ctx *sctx,
struct btrfs_device *scrub_dev,
u64 chunk_offset, u64 length,
u64 dev_offset,
struct btrfs_block_group_cache *cache)
struct btrfs_block_group *cache)
{
struct btrfs_fs_info *fs_info = sctx->fs_info;
struct extent_map_tree *map_tree = &fs_info->mapping_tree;
@ -3481,7 +3480,7 @@ int scrub_enumerate_chunks(struct scrub_ctx *sctx,
struct extent_buffer *l;
struct btrfs_key key;
struct btrfs_key found_key;
struct btrfs_block_group_cache *cache;
struct btrfs_block_group *cache;
struct btrfs_dev_replace *dev_replace = &fs_info->dev_replace;
path = btrfs_alloc_path();

2
fs/btrfs/space-info.c
View File

@ -284,7 +284,7 @@ void btrfs_dump_space_info(struct btrfs_fs_info *fs_info,
struct btrfs_space_info *info, u64 bytes,
int dump_block_groups)
{
struct btrfs_block_group_cache *cache;
struct btrfs_block_group *cache;
int index = 0;
spin_lock(&info->lock);

4
fs/btrfs/sysfs.c
View File

@ -397,7 +397,7 @@ static ssize_t raid_bytes_show(struct kobject *kobj,
{
struct btrfs_space_info *sinfo = to_space_info(kobj->parent);
struct btrfs_block_group_cache *block_group;
struct btrfs_block_group *block_group;
int index = btrfs_bg_flags_to_raid_index(to_raid_kobj(kobj)->flags);
u64 val = 0;
@ -861,7 +861,7 @@ static void init_feature_attrs(void)
* Create a sysfs entry for a given block group type at path
* /sys/fs/btrfs/UUID/allocation/data/TYPE
*/
void btrfs_sysfs_add_block_group_type(struct btrfs_block_group_cache *cache)
void btrfs_sysfs_add_block_group_type(struct btrfs_block_group *cache)
{
struct btrfs_fs_info *fs_info = cache->fs_info;
struct btrfs_space_info *space_info = cache->space_info;

2
fs/btrfs/sysfs.h
View File

@ -32,7 +32,7 @@ int __init btrfs_init_sysfs(void);
void __cold btrfs_exit_sysfs(void);
int btrfs_sysfs_add_mounted(struct btrfs_fs_info *fs_info);
void btrfs_sysfs_remove_mounted(struct btrfs_fs_info *fs_info);
void btrfs_sysfs_add_block_group_type(struct btrfs_block_group_cache *cache);
void btrfs_sysfs_add_block_group_type(struct btrfs_block_group *cache);
int btrfs_sysfs_add_space_info_type(struct btrfs_fs_info *fs_info,
struct btrfs_space_info *space_info);
void btrfs_sysfs_remove_space_info(struct btrfs_space_info *space_info);

6
fs/btrfs/tests/btrfs-tests.c
View File

@ -202,11 +202,11 @@ void btrfs_free_dummy_root(struct btrfs_root *root)
kfree(root);
}
struct btrfs_block_group_cache *
struct btrfs_block_group *
btrfs_alloc_dummy_block_group(struct btrfs_fs_info *fs_info,
unsigned long length)
{
struct btrfs_block_group_cache *cache;
struct btrfs_block_group *cache;
cache = kzalloc(sizeof(*cache), GFP_KERNEL);
if (!cache)
@ -232,7 +232,7 @@ btrfs_alloc_dummy_block_group(struct btrfs_fs_info *fs_info,
return cache;
}
void btrfs_free_dummy_block_group(struct btrfs_block_group_cache *cache)
void btrfs_free_dummy_block_group(struct btrfs_block_group *cache)
{
if (!cache)
return;

4
fs/btrfs/tests/btrfs-tests.h
View File

@ -41,9 +41,9 @@ struct inode *btrfs_new_test_inode(void);
struct btrfs_fs_info *btrfs_alloc_dummy_fs_info(u32 nodesize, u32 sectorsize);
void btrfs_free_dummy_fs_info(struct btrfs_fs_info *fs_info);
void btrfs_free_dummy_root(struct btrfs_root *root);
struct btrfs_block_group_cache *
struct btrfs_block_group *
btrfs_alloc_dummy_block_group(struct btrfs_fs_info *fs_info, unsigned long length);
void btrfs_free_dummy_block_group(struct btrfs_block_group_cache *cache);
void btrfs_free_dummy_block_group(struct btrfs_block_group *cache);
void btrfs_init_dummy_trans(struct btrfs_trans_handle *trans,
struct btrfs_fs_info *fs_info);
#else

15
fs/btrfs/tests/free-space-tests.c
View File

@ -17,7 +17,7 @@
* entry and remove space from either end and the middle, and make sure we can
* remove space that covers adjacent extent entries.
*/
static int test_extents(struct btrfs_block_group_cache *cache)
static int test_extents(struct btrfs_block_group *cache)
{
int ret = 0;
@ -87,8 +87,7 @@ static int test_extents(struct btrfs_block_group_cache *cache)
return 0;
}
static int test_bitmaps(struct btrfs_block_group_cache *cache,
u32 sectorsize)
static int test_bitmaps(struct btrfs_block_group *cache, u32 sectorsize)
{
u64 next_bitmap_offset;
int ret;
@ -156,7 +155,7 @@ static int test_bitmaps(struct btrfs_block_group_cache *cache,
}
/* This is the high grade jackassery */
static int test_bitmaps_and_extents(struct btrfs_block_group_cache *cache,
static int test_bitmaps_and_extents(struct btrfs_block_group *cache,
u32 sectorsize)
{
u64 bitmap_offset = (u64)(BITS_PER_BITMAP * sectorsize);
@ -331,7 +330,7 @@ static bool test_use_bitmap(struct btrfs_free_space_ctl *ctl,
/* Used by test_steal_space_from_bitmap_to_extent(). */
static int
check_num_extents_and_bitmaps(const struct btrfs_block_group_cache *cache,
check_num_extents_and_bitmaps(const struct btrfs_block_group *cache,
const int num_extents,
const int num_bitmaps)
{
@ -351,7 +350,7 @@ check_num_extents_and_bitmaps(const struct btrfs_block_group_cache *cache,
}
/* Used by test_steal_space_from_bitmap_to_extent(). */
static int check_cache_empty(struct btrfs_block_group_cache *cache)
static int check_cache_empty(struct btrfs_block_group *cache)
{
u64 offset;
u64 max_extent_size;
@ -393,7 +392,7 @@ static int check_cache_empty(struct btrfs_block_group_cache *cache)
* requests.
*/
static int
test_steal_space_from_bitmap_to_extent(struct btrfs_block_group_cache *cache,
test_steal_space_from_bitmap_to_extent(struct btrfs_block_group *cache,
u32 sectorsize)
{
int ret;
@ -829,7 +828,7 @@ test_steal_space_from_bitmap_to_extent(struct btrfs_block_group_cache *cache,
int btrfs_test_free_space_cache(u32 sectorsize, u32 nodesize)
{
struct btrfs_fs_info *fs_info;
struct btrfs_block_group_cache *cache;
struct btrfs_block_group *cache;
struct btrfs_root *root = NULL;
int ret = -ENOMEM;

26
fs/btrfs/tests/free-space-tree-tests.c
View File

@ -18,7 +18,7 @@ struct free_space_extent {
static int __check_free_space_extents(struct btrfs_trans_handle *trans,
struct btrfs_fs_info *fs_info,
struct btrfs_block_group_cache *cache,
struct btrfs_block_group *cache,
struct btrfs_path *path,
const struct free_space_extent * const extents,
unsigned int num_extents)
@ -107,7 +107,7 @@ invalid:
static int check_free_space_extents(struct btrfs_trans_handle *trans,
struct btrfs_fs_info *fs_info,
struct btrfs_block_group_cache *cache,
struct btrfs_block_group *cache,
struct btrfs_path *path,
const struct free_space_extent * const extents,
unsigned int num_extents)
@ -150,7 +150,7 @@ static int check_free_space_extents(struct btrfs_trans_handle *trans,
static int test_empty_block_group(struct btrfs_trans_handle *trans,
struct btrfs_fs_info *fs_info,
struct btrfs_block_group_cache *cache,
struct btrfs_block_group *cache,
struct btrfs_path *path,
u32 alignment)
{
@ -164,7 +164,7 @@ static int test_empty_block_group(struct btrfs_trans_handle *trans,
static int test_remove_all(struct btrfs_trans_handle *trans,
struct btrfs_fs_info *fs_info,
struct btrfs_block_group_cache *cache,
struct btrfs_block_group *cache,
struct btrfs_path *path,
u32 alignment)
{
@ -185,7 +185,7 @@ static int test_remove_all(struct btrfs_trans_handle *trans,
static int test_remove_beginning(struct btrfs_trans_handle *trans,
struct btrfs_fs_info *fs_info,
struct btrfs_block_group_cache *cache,
struct btrfs_block_group *cache,
struct btrfs_path *path,
u32 alignment)
{
@ -208,7 +208,7 @@ static int test_remove_beginning(struct btrfs_trans_handle *trans,
static int test_remove_end(struct btrfs_trans_handle *trans,
struct btrfs_fs_info *fs_info,
struct btrfs_block_group_cache *cache,
struct btrfs_block_group *cache,
struct btrfs_path *path,
u32 alignment)
{
@ -231,7 +231,7 @@ static int test_remove_end(struct btrfs_trans_handle *trans,
static int test_remove_middle(struct btrfs_trans_handle *trans,
struct btrfs_fs_info *fs_info,
struct btrfs_block_group_cache *cache,
struct btrfs_block_group *cache,
struct btrfs_path *path,
u32 alignment)
{
@ -255,7 +255,7 @@ static int test_remove_middle(struct btrfs_trans_handle *trans,
static int test_merge_left(struct btrfs_trans_handle *trans,
struct btrfs_fs_info *fs_info,
struct btrfs_block_group_cache *cache,
struct btrfs_block_group *cache,
struct btrfs_path *path,
u32 alignment)
{
@ -292,7 +292,7 @@ static int test_merge_left(struct btrfs_trans_handle *trans,
static int test_merge_right(struct btrfs_trans_handle *trans,
struct btrfs_fs_info *fs_info,
struct btrfs_block_group_cache *cache,
struct btrfs_block_group *cache,
struct btrfs_path *path,
u32 alignment)
{
@ -330,7 +330,7 @@ static int test_merge_right(struct btrfs_trans_handle *trans,
static int test_merge_both(struct btrfs_trans_handle *trans,
struct btrfs_fs_info *fs_info,
struct btrfs_block_group_cache *cache,
struct btrfs_block_group *cache,
struct btrfs_path *path,
u32 alignment)
{
@ -373,7 +373,7 @@ static int test_merge_both(struct btrfs_trans_handle *trans,
static int test_merge_none(struct btrfs_trans_handle *trans,
struct btrfs_fs_info *fs_info,
struct btrfs_block_group_cache *cache,
struct btrfs_block_group *cache,
struct btrfs_path *path,
u32 alignment)
{
@ -418,7 +418,7 @@ static int test_merge_none(struct btrfs_trans_handle *trans,
typedef int (*test_func_t)(struct btrfs_trans_handle *,
struct btrfs_fs_info *,
struct btrfs_block_group_cache *,
struct btrfs_block_group *,
struct btrfs_path *,
u32 alignment);
@ -427,7 +427,7 @@ static int run_test(test_func_t test_func, int bitmaps, u32 sectorsize,
{
struct btrfs_fs_info *fs_info;
struct btrfs_root *root = NULL;
struct btrfs_block_group_cache *cache = NULL;
struct btrfs_block_group *cache = NULL;
struct btrfs_trans_handle trans;
struct btrfs_path *path = NULL;
int ret;

6
fs/btrfs/transaction.c
View File

@ -133,10 +133,10 @@ void btrfs_put_transaction(struct btrfs_transaction *transaction)
* discard the physical locations of the block groups.
*/
while (!list_empty(&transaction->deleted_bgs)) {
struct btrfs_block_group_cache *cache;
struct btrfs_block_group *cache;
cache = list_first_entry(&transaction->deleted_bgs,
struct btrfs_block_group_cache,
struct btrfs_block_group,
bg_list);
list_del_init(&cache->bg_list);
btrfs_put_block_group_trimming(cache);
@ -1937,7 +1937,7 @@ static void cleanup_transaction(struct btrfs_trans_handle *trans, int err)
static void btrfs_cleanup_pending_block_groups(struct btrfs_trans_handle *trans)
{
struct btrfs_fs_info *fs_info = trans->fs_info;
struct btrfs_block_group_cache *block_group, *tmp;
struct btrfs_block_group *block_group, *tmp;
list_for_each_entry_safe(block_group, tmp, &trans->new_bgs, bg_list) {
btrfs_delayed_refs_rsv_release(fs_info, 1);

6
fs/btrfs/volumes.c
View File

@ -2997,7 +2997,7 @@ error:
static int btrfs_may_alloc_data_chunk(struct btrfs_fs_info *fs_info,
u64 chunk_offset)
{
struct btrfs_block_group_cache *cache;
struct btrfs_block_group *cache;
u64 bytes_used;
u64 chunk_type;
@ -3206,7 +3206,7 @@ static int chunk_profiles_filter(u64 chunk_type,
static int chunk_usage_range_filter(struct btrfs_fs_info *fs_info, u64 chunk_offset,
struct btrfs_balance_args *bargs)
{
struct btrfs_block_group_cache *cache;
struct btrfs_block_group *cache;
u64 chunk_used;
u64 user_thresh_min;
u64 user_thresh_max;
@ -3239,7 +3239,7 @@ static int chunk_usage_range_filter(struct btrfs_fs_info *fs_info, u64 chunk_off
static int chunk_usage_filter(struct btrfs_fs_info *fs_info,
u64 chunk_offset, struct btrfs_balance_args *bargs)
{
struct btrfs_block_group_cache *cache;
struct btrfs_block_group *cache;
u64 chunk_used, user_thresh;
int ret = 1;

24
include/trace/events/btrfs.h
View File

@ -19,7 +19,7 @@ struct btrfs_delayed_ref_node;
struct btrfs_delayed_tree_ref;
struct btrfs_delayed_data_ref;
struct btrfs_delayed_ref_head;
struct btrfs_block_group_cache;
struct btrfs_block_group;
struct btrfs_free_cluster;
struct map_lookup;
struct extent_buffer;
@ -699,7 +699,7 @@ TRACE_EVENT(btrfs_sync_fs,
TRACE_EVENT(btrfs_add_block_group,
TP_PROTO(const struct btrfs_fs_info *fs_info,
const struct btrfs_block_group_cache *block_group, int create),
const struct btrfs_block_group *block_group, int create),
TP_ARGS(fs_info, block_group, create),
@ -1184,7 +1184,7 @@ TRACE_EVENT(find_free_extent,
DECLARE_EVENT_CLASS(btrfs__reserve_extent,
TP_PROTO(const struct btrfs_block_group_cache *block_group, u64 start,
TP_PROTO(const struct btrfs_block_group *block_group, u64 start,
u64 len),
TP_ARGS(block_group, start, len),
@ -1214,7 +1214,7 @@ DECLARE_EVENT_CLASS(btrfs__reserve_extent,
DEFINE_EVENT(btrfs__reserve_extent, btrfs_reserve_extent,
TP_PROTO(const struct btrfs_block_group_cache *block_group, u64 start,
TP_PROTO(const struct btrfs_block_group *block_group, u64 start,
u64 len),
TP_ARGS(block_group, start, len)
@ -1222,7 +1222,7 @@ DEFINE_EVENT(btrfs__reserve_extent, btrfs_reserve_extent,
DEFINE_EVENT(btrfs__reserve_extent, btrfs_reserve_extent_cluster,
TP_PROTO(const struct btrfs_block_group_cache *block_group, u64 start,
TP_PROTO(const struct btrfs_block_group *block_group, u64 start,
u64 len),
TP_ARGS(block_group, start, len)
@ -1230,7 +1230,7 @@ DEFINE_EVENT(btrfs__reserve_extent, btrfs_reserve_extent_cluster,
TRACE_EVENT(btrfs_find_cluster,
TP_PROTO(const struct btrfs_block_group_cache *block_group, u64 start,
TP_PROTO(const struct btrfs_block_group *block_group, u64 start,
u64 bytes, u64 empty_size, u64 min_bytes),
TP_ARGS(block_group, start, bytes, empty_size, min_bytes),
@ -1263,7 +1263,7 @@ TRACE_EVENT(btrfs_find_cluster,
TRACE_EVENT(btrfs_failed_cluster_setup,
TP_PROTO(const struct btrfs_block_group_cache *block_group),
TP_PROTO(const struct btrfs_block_group *block_group),
TP_ARGS(block_group),
@ -1280,7 +1280,7 @@ TRACE_EVENT(btrfs_failed_cluster_setup,
TRACE_EVENT(btrfs_setup_cluster,
TP_PROTO(const struct btrfs_block_group_cache *block_group,
TP_PROTO(const struct btrfs_block_group *block_group,
const struct btrfs_free_cluster *cluster,
u64 size, int bitmap),
@ -1844,7 +1844,7 @@ TRACE_EVENT(btrfs_inode_mod_outstanding_extents,
);
DECLARE_EVENT_CLASS(btrfs__block_group,
TP_PROTO(const struct btrfs_block_group_cache *bg_cache),
TP_PROTO(const struct btrfs_block_group *bg_cache),
TP_ARGS(bg_cache),
@ -1868,19 +1868,19 @@ DECLARE_EVENT_CLASS(btrfs__block_group,
);
DEFINE_EVENT(btrfs__block_group, btrfs_remove_block_group,
TP_PROTO(const struct btrfs_block_group_cache *bg_cache),
TP_PROTO(const struct btrfs_block_group *bg_cache),
TP_ARGS(bg_cache)
);
DEFINE_EVENT(btrfs__block_group, btrfs_add_unused_block_group,
TP_PROTO(const struct btrfs_block_group_cache *bg_cache),
TP_PROTO(const struct btrfs_block_group *bg_cache),
TP_ARGS(bg_cache)
);
DEFINE_EVENT(btrfs__block_group, btrfs_skip_unused_block_group,
TP_PROTO(const struct btrfs_block_group_cache *bg_cache),
TP_PROTO(const struct btrfs_block_group *bg_cache),
TP_ARGS(bg_cache)
);