[GFS2] Remove debugging printks

A few of my printks slipped through last time. Also fix a couple of
minor bugs.

Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
diff --git a/fs/gfs2/lops.c b/fs/gfs2/lops.c
index a76f1a7..93563e7 100644
--- a/fs/gfs2/lops.c
+++ b/fs/gfs2/lops.c
@@ -650,7 +650,7 @@
 		} else
 			gfs2_log_unlock(sdp);
 
-		kfree(bd1);
+		kmem_cache_free(gfs2_bufdata_cachep, bd1);
 	}
 
 	/* We've removed all the ordered write bufs here, so only jdata left */