192 static struct bio *do_mpage_readpage(struct mpage_readpage_args *args)  in do_mpage_readpage()  argument
194 	struct page *page = args->page;  in do_mpage_readpage()
199 	struct buffer_head *map_bh = &args->map_bh;  in do_mpage_readpage()
214 	if (args->is_readahead) {  in do_mpage_readpage()
226 	last_block = block_in_file + args->nr_pages * blocks_per_page;  in do_mpage_readpage()
237 			block_in_file > args->first_logical_block &&  in do_mpage_readpage()
238 			block_in_file < (args->first_logical_block + nblocks)) {  in do_mpage_readpage()
239 		unsigned map_offset = block_in_file - args->first_logical_block;  in do_mpage_readpage()
267 			if (args->get_block(inode, block_in_file, map_bh, 0))  in do_mpage_readpage()
269 			args->first_logical_block = block_in_file;  in do_mpage_readpage()
332 	if (args->bio && (args->last_block_in_bio != blocks[0] - 1))  in do_mpage_readpage()
333 		args->bio = mpage_bio_submit(REQ_OP_READ, op_flags, args->bio);  in do_mpage_readpage()
336 	if (args->bio == NULL) {  in do_mpage_readpage()
342 		args->bio = mpage_alloc(bdev, blocks[0] << (blkbits - 9),  in do_mpage_readpage()
343 					min_t(int, args->nr_pages,  in do_mpage_readpage()
346 		if (args->bio == NULL)  in do_mpage_readpage()
351 	if (bio_add_page(args->bio, page, length, 0) < length) {  in do_mpage_readpage()
352 		args->bio = mpage_bio_submit(REQ_OP_READ, op_flags, args->bio);  in do_mpage_readpage()
356 	relative_block = block_in_file - args->first_logical_block;  in do_mpage_readpage()
360 		args->bio = mpage_bio_submit(REQ_OP_READ, op_flags, args->bio);  in do_mpage_readpage()
362 		args->last_block_in_bio = blocks[blocks_per_page - 1];  in do_mpage_readpage()
364 	return args->bio;  in do_mpage_readpage()
367 	if (args->bio)  in do_mpage_readpage()
368 		args->bio = mpage_bio_submit(REQ_OP_READ, op_flags, args->bio);  in do_mpage_readpage()
370 		block_read_full_page(page, args->get_block);  in do_mpage_readpage()
424 	struct mpage_readpage_args args = {  in mpage_readpages()  local
438 			args.page = page;  in mpage_readpages()
439 			args.nr_pages = nr_pages - page_idx;  in mpage_readpages()
440 			args.bio = do_mpage_readpage(&args);  in mpage_readpages()
445 	if (args.bio)  in mpage_readpages()
446 		mpage_bio_submit(REQ_OP_READ, REQ_RAHEAD, args.bio);  in mpage_readpages()
456 	struct mpage_readpage_args args = {  in mpage_readpage()  local
462 	args.bio = do_mpage_readpage(&args);  in mpage_readpage()
463 	if (args.bio)  in mpage_readpage()
464 		mpage_bio_submit(REQ_OP_READ, 0, args.bio);  in mpage_readpage()