Adding upstream version 4.19.304.upstream/4.19.304upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 11 insertions, 0 deletions

diff --git a/fs/gfs2/quota.c b/fs/gfs2/quota.c
index dd0f9bc13..9f753595d 100644
--- a/fs/gfs2/quota.c
+++ b/fs/gfs2/quota.c
@@ -434,6 +434,17 @@ static int qd_check_sync(struct gfs2_sbd *sdp, struct gfs2_quota_data *qd,
 	    (sync_gen && (qd->qd_sync_gen >= *sync_gen)))
 		return 0;
 
+	/*
+	 * If qd_change is 0 it means a pending quota change was negated.
+	 * We should not sync it, but we still have a qd reference and slot
+	 * reference taken by gfs2_quota_change -> do_qc that need to be put.
+	 */
+	if (!qd->qd_change && test_and_clear_bit(QDF_CHANGE, &qd->qd_flags)) {
+		slot_put(qd);
+		qd_put(qd);
+		return 0;
+	}
+
 	if (!lockref_get_not_dead(&qd->qd_lockref))
 		return 0;