buffer_busy      3095 fs/buffer.c    		if (buffer_busy(bh))
buffer_busy        64 fs/gfs2/glops.c 		gfs2_assert_withdraw(sdp, !buffer_busy(bh));
buffer_busy       107 fs/gfs2/log.c  			if (!buffer_busy(bh)) {
buffer_busy       155 fs/gfs2/log.c  		if (buffer_busy(bh)) {