ceph: fsc->*_wq's aren't used in memory reclaim path (01e6acc4) · Commits · 戴 / test

fsc->*_wq's aren't depended upon during memory reclaim. Convert to alloc_workqueue() w/o WQ_MEM_RECLAIM. Signed-off-by:

Tejun Heo <tj@kernel.org> Cc: Sage Weil <sage@newdream.net> Cc: ceph-devel@vger.kernel.org Signed-off-by:

fs/ceph/super.c

+7 −3

Original line number	Diff line number	Diff line
		@@ -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;