From 01e6acc4ea4c284c44bfb3d46c76f4ae580c6435 Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Mon, 3 Jan 2011 14:49:45 +0100 Subject: [PATCH] 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: Tejun Heo Cc: Sage Weil Cc: ceph-devel@vger.kernel.org Signed-off-by: Sage Weil --- fs/ceph/super.c | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) diff --git a/fs/ceph/super.c b/fs/ceph/super.c index 1417f3f3e24..bf6f0f34082 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; -- 2.20.1