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btrfs: Pass 0 for bio_offset to btrfs_wq_submit_bio

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Buffered writeback always calls btrfs_csum_one_bio with the last 2
arguments being 0 irrespective of what the bio_offset has been passed to
btrfs_submit_bio_start. Make this apparent by explicitly passing 0 for
bio_offset when calling btrfs_wq_submit_bio from btrfs_submit_bio_hook.
This will allow for further simplifications down the line. No functional
changes.

Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Nikolay Borisov 2019-04-10 17:24:41 +03:00 committed by David Sterba
parent c2ccfbc62e
commit e7681167c3
1 changed files with 1 additions and 2 deletions
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3
fs/btrfs/inode.c
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@ -1991,8 +1991,7 @@ static blk_status_t btrfs_submit_bio_hook(struct inode *inode, struct bio *bio,
goto mapit;
/* we're doing a write, do the async checksumming */
ret = btrfs_wq_submit_bio(fs_info, bio, mirror_num, bio_flags,
bio_offset, inode,
btrfs_submit_bio_start);
0, inode, btrfs_submit_bio_start);
goto out;
} else if (!skip_sum) {
ret = btrfs_csum_one_bio(inode, bio, 0, 0);