korg/linux
0
0
Fork 0
mirror of https://mirrors.bfsu.edu.cn/git/linux.git synced 2024-11-28 22:54:05 +08:00
Code Issues Packages Projects Releases Wiki Activity

btrfs: use bbio->ordered in btrfs_csum_one_bio

Browse Source 
Use the ordered_extent pointer in the btrfs_bio instead of looking it
up manually.

Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Christoph Hellwig 2023-05-31 09:54:03 +02:00 committed by David Sterba
parent ec63b84d46
commit c59360f61a
1 changed files with 1 additions and 20 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

21
fs/btrfs/file-item.c
View File

@ -721,13 +721,12 @@ fail:
*/
blk_status_t btrfs_csum_one_bio(struct btrfs_bio *bbio)
{
struct btrfs_ordered_extent *ordered = bbio->ordered;
struct btrfs_inode *inode = bbio->inode;
struct btrfs_fs_info *fs_info = inode->root->fs_info;
SHASH_DESC_ON_STACK(shash, fs_info->csum_shash);
struct bio *bio = &bbio->bio;
u64 offset = bbio->file_offset;
struct btrfs_ordered_sum *sums;
struct btrfs_ordered_extent *ordered = NULL;
char *data;
struct bvec_iter iter;
struct bio_vec bvec;
@ -753,22 +752,6 @@ blk_status_t btrfs_csum_one_bio(struct btrfs_bio *bbio)
shash->tfm = fs_info->csum_shash;
bio_for_each_segment(bvec, bio, iter) {
if (!ordered) {
ordered = btrfs_lookup_ordered_extent(inode, offset);
/*
* The bio range is not covered by any ordered extent,
* must be a code logic error.
*/
if (unlikely(!ordered)) {
WARN(1, KERN_WARNING
"no ordered extent for root %llu ino %llu offset %llu\n",
inode->root->root_key.objectid,
btrfs_ino(inode), offset);
kvfree(sums);
return BLK_STS_IOERR;
}
}
blockcount = BTRFS_BYTES_TO_BLKS(fs_info,
bvec.bv_len + fs_info->sectorsize
- 1);
@ -781,14 +764,12 @@ blk_status_t btrfs_csum_one_bio(struct btrfs_bio *bbio)
sums->sums + index);
kunmap_local(data);
index += fs_info->csum_size;
offset += fs_info->sectorsize;
}
}
bbio->sums = sums;
btrfs_add_ordered_sum(ordered, sums);
btrfs_put_ordered_extent(ordered);
return 0;
}