Imported linux-2.6.27.39 suse/xen patches.

[ipfire-2.x.git] / src / patches / suse-2.6.27.39 / patches.suse / dlm-replace-schedule-with-cond_resched.patch

From: Steven Whitehouse <swhiteho@redhat.com>
commit d61e9aac96317a43c192f1faabfa95d4d675b7ce
Author: Steven Whitehouse <swhiteho@redhat.com>
Date:   Wed Dec 10 09:31:02 2008 -0600
Subject: dlm: replace schedule with cond_resched
    
    This is a one-liner to use cond_resched() rather than schedule()
    in the ast delivery loop. It should not be necessary to schedule
    every time, so this will save some cpu time while continuing to
    allow scheduling when required.
    
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
Signed-off-by: David Teigland <teigland@redhat.com>
Signed-off-by: Coly Li <coly.li@suse.de>

---
 fs/dlm/ast.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/fs/dlm/ast.c
+++ b/fs/dlm/ast.c
@@ -98,7 +98,7 @@ static void process_asts(void)
 		   and may result in the lkb being freed */
 		dlm_put_lkb(lkb);
 
-		schedule();
+		cond_resched();
 	}
 }