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Commit 01e6acc4 authored by Tejun Heo's avatar Tejun Heo Committed by Sage Weil
Browse files

ceph: fsc->*_wq's aren't used in memory reclaim path 



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

Signed-off-by: default avatarTejun Heo <tj@kernel.org>
Cc: Sage Weil <sage@newdream.net>
Cc: ceph-devel@vger.kernel.org
Signed-off-by: default avatarSage Weil <sage@newdream.net>
parent b0aee351

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;