Only wake the reclaim daemon if we need to

Hi,

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

Regards,

Bob Peterson
Red Hat GFS

Signed-off-by Bob Peterson <[email protected]>

--

 fs/gfs2/glock.c |    8 ++++----
 1 files changed, 4 insertions(+), 4 deletions(-)

fs/gfs2/glock.c +4 -4

index 80e09c5..894c70e 100644
@@ -1586,10 +1586,10 @@ 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);
 }
 
 /**