diff options
Diffstat (limited to 'fs/btrfs/file-item.c')
| -rw-r--r-- | fs/btrfs/file-item.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/fs/btrfs/file-item.c b/fs/btrfs/file-item.c index 5a3be16ca93d..d431ea8198e4 100644 --- a/fs/btrfs/file-item.c +++ b/fs/btrfs/file-item.c @@ -413,6 +413,16 @@ fail: return ret; } +/* + * btrfs_csum_one_bio - Calculates checksums of the data contained inside a bio + * @inode: Owner of the data inside the bio + * @bio: Contains the data to be checksummed + * @file_start: offset in file this bio begins to describe + * @contig: Boolean. If true/1 means all bio vecs in this bio are + * contiguous and they begin at @file_start in the file. False/0 + * means this bio can contains potentially discontigous bio vecs + * so the logical offset of each should be calculated separately. + */ blk_status_t btrfs_csum_one_bio(struct inode *inode, struct bio *bio, u64 file_start, int contig) { |