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authorChris Mason <chris.mason@oracle.com>2007-10-16 00:22:25 +0400
committerChris Mason <chris.mason@oracle.com>2008-09-25 19:03:57 +0400
commitff79f8190b6e955ff7a71faf804a3017d526e657 (patch)
treed3f56ae2822eb312eba760dcf4df1a058de5a699 /fs/btrfs/disk-io.h
parentcf786e79e3f96f4bc037c69e1a7afb5fb85c6111 (diff)
downloadlinux-ff79f8190b6e955ff7a71faf804a3017d526e657.tar.xz
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.h2
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