BUFFER_TRACE2     577 fs/ext3/balloc.c 				BUFFER_TRACE2(debug_bh, bitmap_bh, "bitmap");
BUFFER_TRACE2    1662 fs/ext3/balloc.c 			BUFFER_TRACE2(debug_bh, bitmap_bh, "bitmap state");
BUFFER_TRACE2     464 fs/ext4/balloc.c 				BUFFER_TRACE2(debug_bh, bitmap_bh, "bitmap");