diff --git a/fs/ceph/super.c b/fs/ceph/super.c
index 1417f3f3e246ea590ed837dadfdaf0805a23e928..bf6f0f34082a082d1a39d3640f5a30956dbcb13d 100644
--- a/fs/ceph/super.c
+++ b/fs/ceph/super.c
@@ -444,13 +444,17 @@ struct ceph_fs_client *create_fs_client(struct ceph_mount_options *fsopt,
 		goto fail_client;
 
 	err = -ENOMEM;
-	fsc->wb_wq = create_workqueue("ceph-writeback");
+	/*
+	 * The number of concurrent works can be high but they don't need
+	 * to be processed in parallel, limit concurrency.
+	 */
+	fsc->wb_wq = alloc_workqueue("ceph-writeback", 0, 1);
 	if (fsc->wb_wq == NULL)
 		goto fail_bdi;
-	fsc->pg_inv_wq = create_singlethread_workqueue("ceph-pg-invalid");
+	fsc->pg_inv_wq = alloc_workqueue("ceph-pg-invalid", 0, 1);
 	if (fsc->pg_inv_wq == NULL)
 		goto fail_wb_wq;
-	fsc->trunc_wq = create_singlethread_workqueue("ceph-trunc");
+	fsc->trunc_wq = alloc_workqueue("ceph-trunc", 0, 1);
 	if (fsc->trunc_wq == NULL)
 		goto fail_pg_inv_wq;