[GFS2] Only wake the reclaim daemon if we need to

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>
git-mirror · Mar 31, 2008 · ef8c441 · ef8c441
1 parent 7eabb77
commit ef8c441
Showing 1 changed file with 4 additions and 4 deletions.
diff --git 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);
 }
 
 /**