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dm: call blk_queue_split() to impose device limits on bios

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Otherwise the incoming bios, of various types, won't be shaped based on
the DM device's advertised limits.

Depends-on: af67c31fba ("blk: remove bio_set arg from blk_queue_split()")
Fixes: 744889b7cb ("block: don't deal with discard limit in blkdev_issue_discard()")
Cc: stable@vger.kernel.org
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
This commit is contained in:
Mike Snitzer 2018-12-03 16:47:21 -05:00
parent 687cf4412a
commit 89f5fa4747
1 changed files with 2 additions and 0 deletions
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2
drivers/md/dm.c
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@ -1593,6 +1593,8 @@ static blk_qc_t __split_and_process_bio(struct mapped_device *md,
return ret;
}
blk_queue_split(md->queue, &bio);
init_clone_info(&ci, md, map, bio);
if (bio->bi_opf & REQ_PREFLUSH) {