162 	const unsigned blkbits = inode->i_blkbits;  in do_mpage_readpage()  local
163 	const unsigned blocks_per_page = PAGE_SIZE >> blkbits;  in do_mpage_readpage()
164 	const unsigned blocksize = 1 << blkbits;  in do_mpage_readpage()
191 	block_in_file = (sector_t)folio->index << (PAGE_SHIFT - blkbits);  in do_mpage_readpage()
193 	last_block_in_file = (i_size_read(inode) + blocksize - 1) >> blkbits;  in do_mpage_readpage()
201 	nblocks = map_bh->b_size >> blkbits;  in do_mpage_readpage()
231 			map_bh->b_size = (last_block-block_in_file) << blkbits;  in do_mpage_readpage()
265 		nblocks = map_bh->b_size >> blkbits;  in do_mpage_readpage()
279 		folio_zero_segment(folio, first_hole << blkbits, PAGE_SIZE);  in do_mpage_readpage()
301 		args->bio->bi_iter.bi_sector = first_block << (blkbits - 9);  in do_mpage_readpage()
304 	length = first_hole << blkbits;  in do_mpage_readpage()
311 	nblocks = map_bh->b_size >> blkbits;  in do_mpage_readpage()
465 	const unsigned blkbits = inode->i_blkbits;  in __mpage_writepage()  local
466 	const unsigned blocks_per_page = PAGE_SIZE >> blkbits;  in __mpage_writepage()
537 	block_in_file = (sector_t)folio->index << (PAGE_SHIFT - blkbits);  in __mpage_writepage()
542 	if (block_in_file >= (i_size + (1 << blkbits) - 1) >> blkbits)  in __mpage_writepage()
544 	last_block = (i_size - 1) >> blkbits;  in __mpage_writepage()
549 		map_bh.b_size = 1 << blkbits;  in __mpage_writepage()
606 		bio->bi_iter.bi_sector = first_block << (blkbits - 9);  in __mpage_writepage()
616 	length = first_unmapped << blkbits;  in __mpage_writepage()
631 					boundary_block, 1 << blkbits);  in __mpage_writepage()