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btrfs: simplify btrfs_wait_cache_io prototype

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With the exception of the one case where btrfs_wait_cache_io is called
without a block group, it's called with the same arguments.  The root
argument is only used in the special case, so let's factor out the core
and simplify the call in the normal case to require a trans, block group,
and path.

Signed-off-by: Jeff Mahoney <jeffm@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Jeff Mahoney
2016-09-09 12:09:35 -04:00
committed by David Sterba
parent 71ff6437c2
commit afdb571890
3 changed files with 34 additions and 27 deletions
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6
fs/btrfs/free-space-cache.h
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@@ -67,11 +67,9 @@ int btrfs_truncate_free_space_cache(struct btrfs_root *root,
struct inode *inode);
int load_free_space_cache(struct btrfs_fs_info *fs_info,
struct btrfs_block_group_cache *block_group);
int btrfs_wait_cache_io(struct btrfs_root *root,
struct btrfs_trans_handle *trans,
int btrfs_wait_cache_io(struct btrfs_trans_handle *trans,
struct btrfs_block_group_cache *block_group,
struct btrfs_io_ctl *io_ctl,
struct btrfs_path *path, u64 offset);
struct btrfs_path *path);
int btrfs_write_out_cache(struct btrfs_fs_info *fs_info,
struct btrfs_trans_handle *trans,
struct btrfs_block_group_cache *block_group,