Commit 10b9bf59 authored Oct 23, 2019 by Maged Mokhtar Committed by Greg Kroah-Hartman Dec 17, 2019

dm writecache: handle REQ_FUA



commit c1005322ff02110a4df7f0033368ea015062b583 upstream.

Call writecache_flush() on REQ_FUA in writecache_map().

Cc: stable@vger.kernel.org # 4.18+
Signed-off-by: Maged Mokhtar <mmokhtar@petasan.org>
Acked-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

parent 7c07d026

drivers/md/dm-writecache.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -1223,7 +1223,8 @@ static int writecache_map(struct dm_target ti, struct bio bio)
		}
		} while (bio->bi_iter.bi_size);

		if (unlikely(wc->uncommitted_blocks >= wc->autocommit_blocks))
		if (unlikely(bio->bi_opf & REQ_FUA \|\|
		wc->uncommitted_blocks >= wc->autocommit_blocks))
		writecache_flush(wc);
		else
		writecache_schedule_autocommit(wc);