Commit 89f5fa47 authored Dec 03, 2018 by Mike Snitzer

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



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

Depends-on: af67c31f ("blk: remove bio_set arg from blk_queue_split()")
Fixes: 744889b7 ("block: don't deal with discard limit in blkdev_issue_discard()")
Cc: stable@vger.kernel.org
Signed-off-by: Mike Snitzer <snitzer@redhat.com>

parent 687cf441

drivers/md/dm.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -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) {

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