xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Btrfs: Handle data checksumming on bios that span multiple ordered extents

Browse Source 
Data checksumming is done right before the bio is sent down the IO stack,
which means a single bio might span more than one ordered extent.  In
this case, the checksumming data is split between two ordered extents.

Signed-off-by: Chris Mason <chris.mason@oracle.com>
This commit is contained in:
Chris Mason
2008-07-18 06:17:13 -04:00
parent eb84ae039e
commit 3edf7d33f4
5 changed files with 69 additions and 31 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
fs/btrfs/ctree.h
View File

@@ -1579,8 +1579,8 @@ int btrfs_lookup_file_extent(struct btrfs_trans_handle *trans,
int btrfs_csum_file_blocks(struct btrfs_trans_handle *trans,
struct btrfs_root *root, struct inode *inode,
struct btrfs_ordered_sum *sums);
int btrfs_csum_one_bio(struct btrfs_root *root,
struct bio *bio, struct btrfs_ordered_sum **sums_ret);
int btrfs_csum_one_bio(struct btrfs_root *root, struct inode *inode,
struct bio *bio);
struct btrfs_csum_item *btrfs_lookup_csum(struct btrfs_trans_handle *trans,
struct btrfs_root *root,
struct btrfs_path *path,