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xfs: chain bios the right way around in xfs_rw_bdev 

We need to chain the earlier bios to the later ones, so that
submit_bio_wait waits on the bio that all the completions are
dispatched to.

Fixes: 6ad5b3255b ("xfs: use bios directly to read and write the log recovery buffers")
Reported-by: Dave Chinner <david@fromorbit.com>
Tested-by: Dave Chinner <david@fromorbit.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
alistair/sunxi64-5.4-dsi
Christoph Hellwig 2019-07-09 08:58:28 -07:00 committed by Darrick J. Wong
parent 0df5c39b3e
commit 488ca3d8d0
1 changed files with 1 additions and 1 deletions
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2
fs/xfs/xfs_bio_io.c
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@ -43,7 +43,7 @@ xfs_rw_bdev(
bio_copy_dev(bio, prev);
bio->bi_iter.bi_sector = bio_end_sector(prev);
bio->bi_opf = prev->bi_opf;
bio_chain(bio, prev);
bio_chain(prev, bio);
submit_bio(prev);
}