From: Maged Mokhtar mmokhtar@petasan.org
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
--- drivers/md/dm-writecache.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
--- a/drivers/md/dm-writecache.c +++ b/drivers/md/dm-writecache.c @@ -1223,7 +1223,8 @@ bio_copy: } } 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);