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Btrfs: restructure btrfs_run_defrag_inodes()

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This patch restructure btrfs_run_defrag_inodes() and make the code of the auto
defragment more readable.

Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>
This commit is contained in:
Miao Xie
2012-11-26 09:26:20 +00:00
committed by Chris Mason
parent 8ddc473433
commit 26176e7c2a
3 changed files with 110 additions and 92 deletions
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fs/btrfs/ctree.h
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@@ -3510,6 +3510,7 @@ void btrfs_auto_defrag_exit(void);
int btrfs_add_inode_defrag(struct btrfs_trans_handle *trans,
struct inode *inode);
int btrfs_run_defrag_inodes(struct btrfs_fs_info *fs_info);
void btrfs_cleanup_defrag_inodes(struct btrfs_fs_info *fs_info);
int btrfs_sync_file(struct file *file, loff_t start, loff_t end, int datasync);
void btrfs_drop_extent_cache(struct inode *inode, u64 start, u64 end,
int skip_pinned);