Call writecache_flush() on REQ_FUA
Signed-off-by: Maged Mokhtar <mmokhtar@xxxxxxxxxxx>
Acked-By: Mikulas Patocka <mpatocka@xxxxxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx # 4.18+
---
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);
--
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