diff --git a/fs/quota/dquot.c b/fs/quota/dquot.c
index 058f0b94b98d550fa540dc4f01eeb0e2be3ee19a..961df0108a551803c8f6579e5dde3eb9a0cec9e4 100644
--- a/fs/quota/dquot.c
+++ b/fs/quota/dquot.c
@@ -161,6 +161,9 @@ static struct quota_module_name module_names[] = INIT_QUOTA_MODULE_NAMES;
 /* SLAB cache for dquot structures */
 static struct kmem_cache *dquot_cachep;
 
+/* workqueue for work quota_release_work*/
+static struct workqueue_struct *quota_unbound_wq;
+
 int register_quota_format(struct quota_format_type *fmt)
 {
 	spin_lock(&dq_list_lock);
@@ -882,7 +885,7 @@ void dqput(struct dquot *dquot)
 	put_releasing_dquots(dquot);
 	atomic_dec(&dquot->dq_count);
 	spin_unlock(&dq_list_lock);
-	queue_delayed_work(system_unbound_wq, &quota_release_work, 1);
+	queue_delayed_work(quota_unbound_wq, &quota_release_work, 1);
 }
 EXPORT_SYMBOL(dqput);
 
@@ -3062,6 +3065,11 @@ static int __init dquot_init(void)
 	if (register_shrinker(&dqcache_shrinker))
 		panic("Cannot register dquot shrinker");
 
+	quota_unbound_wq = alloc_workqueue("quota_events_unbound",
+					   WQ_UNBOUND | WQ_MEM_RECLAIM, WQ_MAX_ACTIVE);
+	if (!quota_unbound_wq)
+		panic("Cannot create quota_unbound_wq\n");
+
 	return 0;
 }
 fs_initcall(dquot_init);