xfs_buf_btoct     370 fs/xfs/linux-2.6/xfs_buf.c 	page_count = xfs_buf_btoc(end) - xfs_buf_btoct(bp->b_file_offset);
xfs_buf_btoct    1311 fs/xfs/linux-2.6/xfs_buf.c 		page = bp->b_pages[xfs_buf_btoct(boff + bp->b_offset)];