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| author | Chris Mason <chris.mason@oracle.com> | 2007-10-15 16:22:25 -0400 |
|---|---|---|
| committer | Chris Mason <chris.mason@oracle.com> | 2008-09-25 11:03:57 -0400 |
| commit | ff79f8190b6e955ff7a71faf804a3017d526e657 (patch) | |
| tree | d3f56ae2822eb312eba760dcf4df1a058de5a699 /fs/btrfs/disk-io.h | |
| parent | cf786e79e3f96f4bc037c69e1a7afb5fb85c6111 (diff) | |
| download | lwn-ff79f8190b6e955ff7a71faf804a3017d526e657.tar.gz lwn-ff79f8190b6e955ff7a71faf804a3017d526e657.zip | |
Btrfs: Add back file data checksumming
Signed-off-by: Chris Mason <chris.mason@oracle.com>
Diffstat (limited to 'fs/btrfs/disk-io.h')
| -rw-r--r-- | fs/btrfs/disk-io.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/btrfs/disk-io.h b/fs/btrfs/disk-io.h index 190b07bc642b..33d2ccfd74d8 100644 --- a/fs/btrfs/disk-io.h +++ b/fs/btrfs/disk-io.h @@ -58,4 +58,6 @@ 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); +u32 btrfs_csum_data(struct btrfs_root *root, char *data, u32 seed, size_t len); +void btrfs_csum_final(u32 crc, char *result); #endif |