From: Xiao Ni <xni@redhat.com>
Date: Sat, 21 Jan 2023 01:48:10 +0000 (+0800)
Subject: md: Free writes_pending in md_stop
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=07dbb13542cc022677b64acc6e0bd0d8a2cbf4dc;p=linux.git

md: Free writes_pending in md_stop

dm raid calls md_stop to stop the raid device. It needs to
free the writes_pending here.

Signed-off-by: Xiao Ni <xni@redhat.com>
Signed-off-by: Song Liu <song@kernel.org>
---

diff --git a/drivers/md/md.c b/drivers/md/md.c
index da6370835c477..0cf340243ddb3 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -6265,6 +6265,7 @@ void md_stop(struct mddev *mddev)
 	 */
 	__md_stop_writes(mddev);
 	__md_stop(mddev);
+	percpu_ref_exit(&mddev->writes_pending);
 	percpu_ref_exit(&mddev->active_io);
 	bioset_exit(&mddev->bio_set);
 	bioset_exit(&mddev->sync_set);