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| author | Chris Mason <chris.mason@oracle.com> | 2008-04-16 11:15:20 -0400 |
|---|---|---|
| committer | Chris Mason <chris.mason@oracle.com> | 2008-09-25 11:04:01 -0400 |
| commit | e015640f9c4fa2417dcc3bbbb3b2b61ad4059ab0 (patch) | |
| tree | 2ba41617e428f60ff970abc8a862ab77980b4a20 /fs/btrfs/ctree.h | |
| parent | 44b8bd7edda4f63de180d0f7325c9fb704b3806b (diff) | |
| download | lwn-e015640f9c4fa2417dcc3bbbb3b2b61ad4059ab0.tar.gz lwn-e015640f9c4fa2417dcc3bbbb3b2b61ad4059ab0.zip | |
Btrfs: Write bio checksumming outside the FS mutex
This significantly improves streaming write performance by allowing
concurrency in the data checksumming.
Signed-off-by: Chris Mason <chris.mason@oracle.com>
Diffstat (limited to 'fs/btrfs/ctree.h')
| -rw-r--r-- | fs/btrfs/ctree.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h index ff15b8513f90..b56ae1950658 100644 --- a/fs/btrfs/ctree.h +++ b/fs/btrfs/ctree.h @@ -1515,7 +1515,9 @@ int btrfs_lookup_file_extent(struct btrfs_trans_handle *trans, u64 bytenr, int mod); int btrfs_csum_file_blocks(struct btrfs_trans_handle *trans, struct btrfs_root *root, struct inode *inode, - struct bio *bio); + struct bio *bio, char *sums); +int btrfs_csum_one_bio(struct btrfs_root *root, + struct bio *bio, char **sums_ret); struct btrfs_csum_item *btrfs_lookup_csum(struct btrfs_trans_handle *trans, struct btrfs_root *root, struct btrfs_path *path, |