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Btrfs: Add back the online defragging code

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Signed-off-by: Chris Mason <chris.mason@oracle.com>
This commit is contained in:
Chris Mason
2007-10-15 16:17:34 -04:00
parent 09e71a3263
commit 6b80053d02
7 changed files with 166 additions and 106 deletions
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7
fs/btrfs/disk-io.h
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@ -51,4 +51,11 @@ int btrfs_buffer_uptodate(struct extent_buffer *buf);
int btrfs_set_buffer_uptodate(struct extent_buffer *buf);
int wait_on_tree_block_writeback(struct btrfs_root *root,
struct extent_buffer *buf);
void btrfs_set_buffer_defrag(struct extent_buffer *buf);
void btrfs_set_buffer_defrag_done(struct extent_buffer *buf);
int btrfs_buffer_defrag(struct extent_buffer *buf);
int btrfs_buffer_defrag_done(struct extent_buffer *buf);
int btrfs_clear_buffer_defrag(struct extent_buffer *buf);
int btrfs_clear_buffer_defrag_done(struct extent_buffer *buf);
int btrfs_read_buffer(struct extent_buffer *buf);
#endif