From: Yang Sheng <ys@whamcloud.com>
Date: Sat, 29 Jan 2022 14:24:17 +0000 (+0800)
Subject: LU-15503 quota: fix list entry usage
X-Git-Tag: 2.15.0-RC1~5
X-Git-Url: https://git.whamcloud.com/?a=commitdiff_plain;h=a501deaf3930e9999ebbf476008a08ac6d5da1ec;p=fs%2Flustre-release.git

LU-15503 quota: fix list entry usage

Fetch next list entry.

Fixes: d527e81246 (LU-15283 quota: deadlock between reint & lquota_wb)
Signed-off-by: Yang Sheng <ys@whamcloud.com>
Change-Id: I86befdfaa96151a6fd61902ffbf43ee8e5cae8cb
Reviewed-on: https://review.whamcloud.com/46380
Reviewed-by: Andreas Dilger <adilger@whamcloud.com>
Reviewed-by: Patrick Farrell <pfarrell@whamcloud.com>
Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: Oleg Drokin <green@whamcloud.com>
---

diff --git a/lustre/quota/qsd_writeback.c b/lustre/quota/qsd_writeback.c
index 58f0629..9f36287 100644
--- a/lustre/quota/qsd_writeback.c
+++ b/lustre/quota/qsd_writeback.c
@@ -530,8 +530,8 @@ static int qsd_upd_thread(void *_args)
 				break;
 			count++;
 			if (count % 7 == 0) {
-				n = list_entry(&queue, struct qsd_upd_rec,
-					       qur_link);
+				n = list_first_entry(&queue, struct qsd_upd_rec,
+						     qur_link);
 				CWARN("%s: The reintegration thread [%d] "
 				      "blocked more than %ld seconds\n",
 				      n->qur_qqi->qqi_qsd->qsd_svname,