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btrfs: Make btrfs_clear_bit_hook take btrfs_inode 

Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Nikolay Borisov 2017-02-20 13:51:03 +02:00 committed by David Sterba
parent 9cdc512410
commit 6fc0ef6870
3 changed files with 25 additions and 21 deletions
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3
fs/btrfs/extent_io.c
View File

@ -428,7 +428,8 @@ static void clear_state_cb(struct extent_io_tree *tree,
struct extent_state *state, unsigned *bits)
{
if (tree->ops && tree->ops->clear_bit_hook)
tree->ops->clear_bit_hook(tree->mapping->host, state, bits);
tree->ops->clear_bit_hook(BTRFS_I(tree->mapping->host),
state, bits);
}
static void set_state_bits(struct extent_io_tree *tree,

6
fs/btrfs/extent_io.h
View File

@ -84,6 +84,7 @@ extern void le_bitmap_clear(u8 *map, unsigned int start, int len);
struct extent_state;
struct btrfs_root;
struct btrfs_inode;
struct btrfs_io_bio;
struct io_failure_record;
@ -107,8 +108,9 @@ struct extent_io_ops {
struct extent_state *state, int uptodate);
void (*set_bit_hook)(struct inode *inode, struct extent_state *state,
unsigned *bits);
void (*clear_bit_hook)(struct inode *inode, struct extent_state *state,
unsigned *bits);
void (*clear_bit_hook)(struct btrfs_inode *inode,
struct extent_state *state,
unsigned *bits);
void (*merge_extent_hook)(struct inode *inode,
struct extent_state *new,
struct extent_state *other);

37
fs/btrfs/inode.c
View File

@ -1703,18 +1703,18 @@ static void btrfs_set_bit_hook(struct inode *inode,
/*
* extent_io.c clear_bit_hook, see set_bit_hook for why
*/
static void btrfs_clear_bit_hook(struct inode *inode,
static void btrfs_clear_bit_hook(struct btrfs_inode *inode,
struct extent_state *state,
unsigned *bits)
{
struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb);
struct btrfs_fs_info *fs_info = btrfs_sb(inode->vfs_inode.i_sb);
u64 len = state->end + 1 - state->start;
u32 num_extents = count_max_extents(len);
spin_lock(&BTRFS_I(inode)->lock);
spin_lock(&inode->lock);
if ((state->state & EXTENT_DEFRAG) && (*bits & EXTENT_DEFRAG))
BTRFS_I(inode)->defrag_bytes -= len;
spin_unlock(&BTRFS_I(inode)->lock);
inode->defrag_bytes -= len;
spin_unlock(&inode->lock);
/*
* set_bit and clear bit hooks normally require _irqsave/restore
@ -1722,15 +1722,15 @@ static void btrfs_clear_bit_hook(struct inode *inode,
* bit, which is only set or cleared with irqs on
*/
if ((state->state & EXTENT_DELALLOC) && (*bits & EXTENT_DELALLOC)) {
struct btrfs_root *root = BTRFS_I(inode)->root;
bool do_list = !btrfs_is_free_space_inode(BTRFS_I(inode));
struct btrfs_root *root = inode->root;
bool do_list = !btrfs_is_free_space_inode(inode);
if (*bits & EXTENT_FIRST_DELALLOC) {
*bits &= ~EXTENT_FIRST_DELALLOC;
} else if (!(*bits & EXTENT_DO_ACCOUNTING)) {
spin_lock(&BTRFS_I(inode)->lock);
BTRFS_I(inode)->outstanding_extents -= num_extents;
spin_unlock(&BTRFS_I(inode)->lock);
spin_lock(&inode->lock);
inode->outstanding_extents -= num_extents;
spin_unlock(&inode->lock);
}
/*
@ -1740,7 +1740,7 @@ static void btrfs_clear_bit_hook(struct inode *inode,
*/
if (*bits & EXTENT_DO_ACCOUNTING &&
root != fs_info->tree_root)
btrfs_delalloc_release_metadata(BTRFS_I(inode), len);
btrfs_delalloc_release_metadata(inode, len);
/* For sanity tests. */
if (btrfs_is_testing(fs_info))
@ -1750,18 +1750,19 @@ static void btrfs_clear_bit_hook(struct inode *inode,
&& do_list && !(state->state & EXTENT_NORESERVE)
&& (*bits & (EXTENT_DO_ACCOUNTING |
EXTENT_CLEAR_DATA_RESV)))
btrfs_free_reserved_data_space_noquota(inode,
btrfs_free_reserved_data_space_noquota(
&inode->vfs_inode,
state->start, len);
__percpu_counter_add(&fs_info->delalloc_bytes, -len,
fs_info->delalloc_batch);
spin_lock(&BTRFS_I(inode)->lock);
BTRFS_I(inode)->delalloc_bytes -= len;
if (do_list && BTRFS_I(inode)->delalloc_bytes == 0 &&
spin_lock(&inode->lock);
inode->delalloc_bytes -= len;
if (do_list && inode->delalloc_bytes == 0 &&
test_bit(BTRFS_INODE_IN_DELALLOC_LIST,
&BTRFS_I(inode)->runtime_flags))
btrfs_del_delalloc_inode(root, inode);
spin_unlock(&BTRFS_I(inode)->lock);
&inode->runtime_flags))
btrfs_del_delalloc_inode(root, &inode->vfs_inode);
spin_unlock(&inode->lock);
}
}