4.19-stable review patch. If anyone has any objections, please let me know.
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From: Mike Snitzer snitzer@redhat.com
commit 89f5fa47476eda56402e29fff3c5097f5c2a1e19 upstream.
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 Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- drivers/md/dm.c | 2 ++ 1 file changed, 2 insertions(+)
--- a/drivers/md/dm.c +++ b/drivers/md/dm.c @@ -1592,6 +1592,8 @@ static blk_qc_t __split_and_process_bio( return ret; }
+ blk_queue_split(md->queue, &bio); + init_clone_info(&ci, md, map, bio);
if (bio->bi_opf & REQ_PREFLUSH) {