[PATCH 5.9 43/75] dm writecache: advance the number of arguments when reporting max_age

[Greg Kroah-Hartman]

From: Mikulas Patocka <mpatocka@xxxxxxxxxx>

commit e5d41cbca1b2036362c9e29d705d3a175a01eff8 upstream.

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

Signed-off-by: Mikulas Patocka <mpatocka@xxxxxxxxxx>
Fixes: 3923d4854e18 ("dm writecache: implement gradual cleanup")
Cc: stable@xxxxxxxxxxxxxxx # v5.7+
Signed-off-by: Mike Snitzer <snitzer@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
 drivers/md/dm-writecache.c |    2 ++
 1 file changed, 2 insertions(+)

--- a/drivers/md/dm-writecache.c
+++ b/drivers/md/dm-writecache.c
@@ -2479,6 +2479,8 @@ static void writecache_status(struct dm_
 			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)