196 	const unsigned blkbits = inode->i_blkbits;  in do_mpage_readpage()  local
197 	const unsigned blocks_per_page = PAGE_SIZE >> blkbits;  in do_mpage_readpage()
198 	const unsigned blocksize = 1 << blkbits;  in do_mpage_readpage()
225 	block_in_file = (sector_t)page->index << (PAGE_SHIFT - blkbits);  in do_mpage_readpage()
227 	last_block_in_file = (i_size_read(inode) + blocksize - 1) >> blkbits;  in do_mpage_readpage()
235 	nblocks = map_bh->b_size >> blkbits;  in do_mpage_readpage()
266 			map_bh->b_size = (last_block-block_in_file) << blkbits;  in do_mpage_readpage()
298 		nblocks = map_bh->b_size >> blkbits;  in do_mpage_readpage()
313 		zero_user_segment(page, first_hole << blkbits, PAGE_SIZE);  in do_mpage_readpage()
338 			if (!bdev_read_page(bdev, blocks[0] << (blkbits - 9),  in do_mpage_readpage()
342 		args->bio = mpage_alloc(bdev, blocks[0] << (blkbits - 9),  in do_mpage_readpage()
350 	length = first_hole << blkbits;  in do_mpage_readpage()
357 	nblocks = map_bh->b_size >> blkbits;  in do_mpage_readpage()
539 	const unsigned blkbits = inode->i_blkbits;  in __mpage_writepage()  local
541 	const unsigned blocks_per_page = PAGE_SIZE >> blkbits;  in __mpage_writepage()
611 	block_in_file = (sector_t)page->index << (PAGE_SHIFT - blkbits);  in __mpage_writepage()
612 	last_block = (i_size - 1) >> blkbits;  in __mpage_writepage()
617 		map_bh.b_size = 1 << blkbits;  in __mpage_writepage()
668 			if (!bdev_write_page(bdev, blocks[0] << (blkbits - 9),  in __mpage_writepage()
672 		bio = mpage_alloc(bdev, blocks[0] << (blkbits - 9),  in __mpage_writepage()
687 	length = first_unmapped << blkbits;  in __mpage_writepage()
702 					boundary_block, 1 << blkbits);  in __mpage_writepage()