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authorMaged Mokhtar <mmokhtar@petasan.org>2019-10-23 22:41:17 +0200
committerMike Snitzer <snitzer@redhat.com>2019-11-05 14:21:40 -0500
commitc1005322ff02110a4df7f0033368ea015062b583 (patch)
tree510473d47a9b700bf032abdb6f3294af1e7e7954 /drivers/md
parentdm writecache: fix uninitialized variable warning (diff)
downloadlinux-dev-c1005322ff02110a4df7f0033368ea015062b583.tar.xz
linux-dev-c1005322ff02110a4df7f0033368ea015062b583.zip
dm writecache: handle REQ_FUA
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>
Diffstat (limited to 'drivers/md')
-rw-r--r--drivers/md/dm-writecache.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/md/dm-writecache.c b/drivers/md/dm-writecache.c
index ea7b8be0b833..7d727a72aa13 100644
--- a/drivers/md/dm-writecache.c
+++ b/drivers/md/dm-writecache.c
@@ -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);