buffer_busy      3226 fs/buffer.c    		if (buffer_busy(bh))
buffer_busy       107 fs/gfs2/log.c  		if (!buffer_busy(bh)) {
buffer_busy       206 fs/gfs2/log.c  		if (buffer_busy(bh))
buffer_busy       796 fs/gfs2/lops.c 						buffer_busy(rgd->rd_bits->bi_bh) ? 1 : 0,