Acked-By: Mikulas Patocka <mpatocka@xxxxxxxxxx> Also add this line, so that it gets backported: Cc: stable@xxxxxxxxxxxxxxx # 4.18+ On Wed, 23 Oct 2019, Maged Mokhtar wrote: > Call writecache_flush() on REQ_FUA. > > Signed-off-by: Maged Mokhtar <mmokhtar@xxxxxxxxxxx> > --- > drivers/md/dm-writecache.c | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) > > --- a/drivers/md/dm-writecache.c 2019-10-23 22:01:18.480115962 +0200 > +++ b/drivers/md/dm-writecache.c 2019-10-23 22:02:08.616113729 +0200 > @@ -1218,7 +1218,8 @@ 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); > -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel
