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authorTejun Heo <tj@kernel.org>2011-01-03 14:49:45 +0100
committerSage Weil <sage@newdream.net>2011-01-12 15:15:14 -0800
commit01e6acc4ea4c284c44bfb3d46c76f4ae580c6435 (patch)
treed5b5c2c82827eae7f23ac6141feb4adfbb781920 /fs/ceph
parentb0aee3516d84c05240065a53f238ba7a718f56b9 (diff)
downloadop-kernel-dev-01e6acc4ea4c284c44bfb3d46c76f4ae580c6435.zip
op-kernel-dev-01e6acc4ea4c284c44bfb3d46c76f4ae580c6435.tar.gz
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 <tj@kernel.org> Cc: Sage Weil <sage@newdream.net> Cc: ceph-devel@vger.kernel.org Signed-off-by: Sage Weil <sage@newdream.net>
Diffstat (limited to 'fs/ceph')
-rw-r--r--fs/ceph/super.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/fs/ceph/super.c b/fs/ceph/super.c
index 1417f3f..bf6f0f3 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;
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