From: Mikulas Patocka <mpatocka@redhat.com>
Date: Tue, 10 Nov 2020 07:44:01 -0500
Subject: [PATCH] dm writecache: advance the number of arguments when reporting
 max_age
Git-commit: e5d41cbca1b2036362c9e29d705d3a175a01eff8
Patch-mainline: v5.10-rc7
References: git-fixes

When reporting the "max_age" value the number of arguments must
advance by two.

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Fixes: 3923d4854e18 ("dm writecache: implement gradual cleanup")
Cc: stable@vger.kernel.org # v5.7+
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Acked-by: Hannes Reinecke <hare@suse.com>
---
 drivers/md/dm-writecache.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/md/dm-writecache.c b/drivers/md/dm-writecache.c
index 9ae4ce7df95c..1ea923af47c6 100644
--- a/drivers/md/dm-writecache.c
+++ b/drivers/md/dm-writecache.c
@@ -2479,6 +2479,8 @@ static void writecache_status(struct dm_target *ti, status_type_t type,
 			extra_args += 2;
 		if (wc->autocommit_time_set)
 			extra_args += 2;
+		if (wc->max_age != MAX_AGE_UNSPECIFIED)
+			extra_args += 2;
 		if (wc->cleaner)
 			extra_args++;
 		if (wc->writeback_fua_set)
-- 
2.29.2