From a90ac0f5dc17f23d15f20abdb9d08ef07f155480 Mon Sep 17 00:00:00 2001
From: piaojun <piaojun@huawei.com>
Date: Tue, 9 Jan 2018 21:32:41 -0500
Subject: ext4: no need flush workqueue before destroying it

destroy_workqueue() will do flushing work for us.

Signed-off-by: Jun Piao <piaojun@huawei.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Reviewed-by: Jan Kara <jack@suse.cz>
---
 fs/ext4/super.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index e5b9a305ff72..2a7faf94bb90 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -871,7 +871,6 @@ static void ext4_put_super(struct super_block *sb)
 	ext4_unregister_li_request(sb);
 	ext4_quota_off_umount(sb);
 
-	flush_workqueue(sbi->rsv_conversion_wq);
 	destroy_workqueue(sbi->rsv_conversion_wq);
 
 	if (sbi->s_journal) {
-- 
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