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authorBob Peterson <rpeterso@redhat.com>2016-10-19 18:34:54 +0300
committerDavid Teigland <teigland@redhat.com>2016-10-19 19:13:04 +0300
commitaa9f1012858bc7f44368f1e4453c989d873b0860 (patch)
treecf8329a420755c14ddc1071c20be7307c9b60af5
parentd2fee58a3bb15b2b8f1eaff14aa3432cf0f35d8c (diff)
downloadlinux-aa9f1012858bc7f44368f1e4453c989d873b0860.tar.xz
dlm: don't specify WQ_UNBOUND for the ast callback workqueue
This patch removes the WQ_UNBOUND flag (which implies WQ_HIGHPRI) from the DLM's ast work queue, in favor of just WQ_HIGHPRI. This has been shown to cause a 19 percent performance increase for simultaneous inode creates on GFS2 with fs_mark. Signed-off-by: Bob Peterson <rpeterso@redhat.com> Signed-off-by: David Teigland <teigland@redhat.com>
-rw-r--r--fs/dlm/ast.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/dlm/ast.c b/fs/dlm/ast.c
index dcea1e37a1b7..07fed838d8fd 100644
--- a/fs/dlm/ast.c
+++ b/fs/dlm/ast.c
@@ -268,7 +268,7 @@ void dlm_callback_work(struct work_struct *work)
int dlm_callback_start(struct dlm_ls *ls)
{
ls->ls_callback_wq = alloc_workqueue("dlm_callback",
- WQ_UNBOUND | WQ_MEM_RECLAIM, 0);
+ WQ_HIGHPRI | WQ_MEM_RECLAIM, 0);
if (!ls->ls_callback_wq) {
log_print("can't start dlm_callback workqueue");
return -ENOMEM;