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Btrfs: remove non-sense btrfs_error_discard_extent() function 

It doesn't do anything special, it just calls btrfs_discard_extent(),
so just remove it.

Signed-off-by: Filipe Manana <fdmanana@suse.com>
Signed-off-by: Chris Mason <clm@fb.com>
This commit is contained in:
Filipe Manana 2014-12-08 14:01:12 +00:00 committed by Chris Mason
parent 678886bdc6
commit 1edb647bb9
3 changed files with 6 additions and 12 deletions
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4
fs/btrfs/ctree.h
View File

@ -3481,8 +3481,8 @@ 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,
u64 start, u64 end);
int btrfs_error_discard_extent(struct btrfs_root *root, u64 bytenr,
u64 num_bytes, u64 *actual_bytes);
int btrfs_discard_extent(struct btrfs_root *root, 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);

10
fs/btrfs/extent-tree.c
View File

@ -1889,8 +1889,8 @@ static int btrfs_issue_discard(struct block_device *bdev,
return blkdev_issue_discard(bdev, start >> 9, len >> 9, GFP_NOFS, 0);
}
static int btrfs_discard_extent(struct btrfs_root *root, u64 bytenr,
u64 num_bytes, u64 *actual_bytes)
int btrfs_discard_extent(struct btrfs_root *root, u64 bytenr,
u64 num_bytes, u64 *actual_bytes)
{
int ret;
u64 discarded_bytes = 0;
@ -9698,12 +9698,6 @@ int btrfs_error_unpin_extent_range(struct btrfs_root *root, u64 start, u64 end)
return unpin_extent_range(root, start, end, false);
}
int btrfs_error_discard_extent(struct btrfs_root *root, u64 bytenr,
u64 num_bytes, u64 *actual_bytes)
{
return btrfs_discard_extent(root, bytenr, num_bytes, actual_bytes);
}
int btrfs_trim_fs(struct btrfs_root *root, struct fstrim_range *range)
{
struct btrfs_fs_info *fs_info = root->fs_info;

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

@ -2966,8 +2966,8 @@ static int do_trimming(struct btrfs_block_group_cache *block_group,
spin_unlock(&block_group->lock);
spin_unlock(&space_info->lock);
ret = btrfs_error_discard_extent(fs_info->extent_root,
start, bytes, &trimmed);
ret = btrfs_discard_extent(fs_info->extent_root,
start, bytes, &trimmed);
if (!ret)
*total_trimmed += trimmed;