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Go Back   Linux Archive > Redhat > Cluster Development

 
 
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Old 04-17-2008, 08:38 AM
 
Default Only wake the reclaim daemon if we need to

From: Bob Peterson <rpeterso@redhat.com>

This patch only wakes up the glock reclaim daemon if there is
actually something to be reclaimed.

Signed-off-by: Bob Peterson <rpeterso@redhat.com>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>

diff --git a/fs/gfs2/glock.c b/fs/gfs2/glock.c
index 7175a4d..5752dec 100644
--- a/fs/gfs2/glock.c
+++ b/fs/gfs2/glock.c
@@ -1594,10 +1594,10 @@ void gfs2_glock_schedule_for_reclaim(struct gfs2_glock *gl)
gfs2_glock_hold(gl);
list_add(&gl->gl_reclaim, &sdp->sd_reclaim_list);
atomic_inc(&sdp->sd_reclaim_count);
- }
- spin_unlock(&sdp->sd_reclaim_lock);
-
- wake_up(&sdp->sd_reclaim_wq);
+ spin_unlock(&sdp->sd_reclaim_lock);
+ wake_up(&sdp->sd_reclaim_wq);
+ } else
+ spin_unlock(&sdp->sd_reclaim_lock);
}

/**
--
1.5.1.2
 

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