155 	const unsigned blkbits = inode->i_blkbits;  in do_mpage_readpage()  local
156 	const unsigned blocks_per_folio = folio_size(folio) >> blkbits;  in do_mpage_readpage()
157 	const unsigned blocksize = 1 << blkbits;  in do_mpage_readpage()
181 	block_in_file = folio_pos(folio) >> blkbits;  in do_mpage_readpage()
182 	last_block = block_in_file + ((args->nr_pages * PAGE_SIZE) >> blkbits);  in do_mpage_readpage()
183 	last_block_in_file = (i_size_read(inode) + blocksize - 1) >> blkbits;  in do_mpage_readpage()
191 	nblocks = map_bh->b_size >> blkbits;  in do_mpage_readpage()
221 			map_bh->b_size = (last_block-block_in_file) << blkbits;  in do_mpage_readpage()
255 		nblocks = map_bh->b_size >> blkbits;  in do_mpage_readpage()
269 		folio_zero_segment(folio, first_hole << blkbits, folio_size(folio));  in do_mpage_readpage()
291 		args->bio->bi_iter.bi_sector = first_block << (blkbits - 9);  in do_mpage_readpage()
294 	length = first_hole << blkbits;  in do_mpage_readpage()
301 	nblocks = map_bh->b_size >> blkbits;  in do_mpage_readpage()
460 	const unsigned blkbits = inode->i_blkbits;  in mpage_write_folio()  local
461 	const unsigned blocks_per_folio = folio_size(folio) >> blkbits;  in mpage_write_folio()
532 	block_in_file = folio_pos(folio) >> blkbits;  in mpage_write_folio()
537 	if (block_in_file >= (i_size + (1 << blkbits) - 1) >> blkbits)  in mpage_write_folio()
539 	last_block = (i_size - 1) >> blkbits;  in mpage_write_folio()
544 		map_bh.b_size = 1 << blkbits;  in mpage_write_folio()
601 		bio->bi_iter.bi_sector = first_block << (blkbits - 9);  in mpage_write_folio()
612 	length = first_unmapped << blkbits;  in mpage_write_folio()
627 					boundary_block, 1 << blkbits);  in mpage_write_folio()