Hi Jan, Thanks for reviewing, and I will resend this patch again. thanks, Jun On 2018/1/9 23:07, Jan Kara wrote: > On Tue 09-01-18 20:37:54, piaojun wrote: >> destroy_workqueue() will do flushing work for us. >> >> Signed-off-by: Jun Piao <piaojun@xxxxxxxxxx> > > Looks good. You can add: > > Reviewed-by: Jan Kara <jack@xxxxxxx> > > Adding Ted to CC as a maintainer... > > Honza > >> --- >> fs/ext4/super.c | 1 - >> 1 file changed, 1 deletion(-) >> >> diff --git a/fs/ext4/super.c b/fs/ext4/super.c >> index 0556cd0..2f46b0b 100644 >> --- a/fs/ext4/super.c >> +++ b/fs/ext4/super.c >> @@ -870,7 +870,6 @@ 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) { >> --