From: David Teigland <teigland@redhat.com>
Date: Mon, 18 Jul 2011 20:28:34 +0000 (-0500)
Subject: dlm: don't limit active work items
X-Git-Tag: v3.1-rc1~323^2
X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?p=pandora-kernel.git;a=commitdiff_plain;h=10d1459fafbb02a18e7bc8f2c384a9e973560b00

dlm: don't limit active work items

Allow multiple workqueue items (locks with callbacks) to be
processed concurrently.  There should be no reason not to
take advantage of this workqueue feature.

Signed-off-by: David Teigland <teigland@redhat.com>
---

diff --git a/fs/dlm/ast.c b/fs/dlm/ast.c
index 4f29add0e7d1..90e5997262ea 100644
--- a/fs/dlm/ast.c
+++ b/fs/dlm/ast.c
@@ -267,7 +267,10 @@ 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, 1);
+					     WQ_UNBOUND |
+					     WQ_MEM_RECLAIM |
+					     WQ_NON_REENTRANT,
+					     0);
 	if (!ls->ls_callback_wq) {
 		log_print("can't start dlm_callback workqueue");
 		return -ENOMEM;