174 	const unsigned blkbits = inode->i_blkbits;  in do_mpage_readpage()  local
175 	const unsigned blocks_per_page = PAGE_CACHE_SIZE >> blkbits;  in do_mpage_readpage()
176 	const unsigned blocksize = 1 << blkbits;  in do_mpage_readpage()
192 	block_in_file = (sector_t)page->index << (PAGE_CACHE_SHIFT - blkbits);  in do_mpage_readpage()
194 	last_block_in_file = (i_size_read(inode) + blocksize - 1) >> blkbits;  in do_mpage_readpage()
202 	nblocks = map_bh->b_size >> blkbits;  in do_mpage_readpage()
232 			map_bh->b_size = (last_block-block_in_file) << blkbits;  in do_mpage_readpage()
264 		nblocks = map_bh->b_size >> blkbits;  in do_mpage_readpage()
279 		zero_user_segment(page, first_hole << blkbits, PAGE_CACHE_SIZE);  in do_mpage_readpage()
297 		bio = mpage_alloc(bdev, blocks[0] << (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()
449 	const unsigned blkbits = inode->i_blkbits;  in __mpage_writepage()  local
451 	const unsigned blocks_per_page = PAGE_CACHE_SIZE >> blkbits;  in __mpage_writepage()
520 	block_in_file = (sector_t)page->index << (PAGE_CACHE_SHIFT - blkbits);  in __mpage_writepage()
521 	last_block = (i_size - 1) >> blkbits;  in __mpage_writepage()
526 		map_bh.b_size = 1 << blkbits;  in __mpage_writepage()
577 		bio = mpage_alloc(bdev, blocks[0] << (blkbits - 9),  in __mpage_writepage()
588 	length = first_unmapped << blkbits;  in __mpage_writepage()
626 					boundary_block, 1 << blkbits);  in __mpage_writepage()