62 		struct page *first_page = bio->bi_io_vec[0].bv_page;  in mpage_end_io()
71 		struct page *page = bv->bv_page;  in mpage_end_io()  local
72 		page_endio(page, bio_op(bio),  in mpage_end_io()
82 		struct page *first_page = bio->bi_io_vec[0].bv_page;  in mpage_bio_submit()
140 map_buffer_to_page(struct page *page, struct buffer_head *bh, int page_block)   in map_buffer_to_page()  argument
142 	struct inode *inode = page->mapping->host;  in map_buffer_to_page()
146 	if (!page_has_buffers(page)) {  in map_buffer_to_page()
153 			SetPageUptodate(page);      in map_buffer_to_page()
156 		create_empty_buffers(page, i_blocksize(inode), 0);  in map_buffer_to_page()
158 	head = page_buffers(page);  in map_buffer_to_page()
174 	struct page *page;  member
194 	struct page *page = args->page;  in do_mpage_readpage()  local
195 	struct inode *inode = page->mapping->host;  in do_mpage_readpage()
216 		gfp = readahead_gfp_mask(page->mapping);  in do_mpage_readpage()
219 		gfp = mapping_gfp_constraint(page->mapping, GFP_KERNEL);  in do_mpage_readpage()
222 	if (page_has_buffers(page))  in do_mpage_readpage()
225 	block_in_file = (sector_t)page->index << (PAGE_SHIFT - blkbits);  in do_mpage_readpage()
260 	map_bh->b_page = page;  in do_mpage_readpage()
288 			map_buffer_to_page(page, map_bh, page_block);  in do_mpage_readpage()
313 		zero_user_segment(page, first_hole << blkbits, PAGE_SIZE);  in do_mpage_readpage()
315 			SetPageUptodate(page);  in do_mpage_readpage()
316 			unlock_page(page);  in do_mpage_readpage()
320 		SetPageMappedToDisk(page);  in do_mpage_readpage()
323 	if (fully_mapped && blocks_per_page == 1 && !PageUptodate(page) &&  in do_mpage_readpage()
324 	    cleancache_get_page(page) == 0) {  in do_mpage_readpage()
325 		SetPageUptodate(page);  in do_mpage_readpage()
339 								page))  in do_mpage_readpage()
351 	if (bio_add_page(args->bio, page, length, 0) < length) {  in do_mpage_readpage()
369 	if (!PageUptodate(page))  in do_mpage_readpage()
370 		block_read_full_page(page, args->get_block);  in do_mpage_readpage()
372 		unlock_page(page);  in do_mpage_readpage()
431 		struct page *page = lru_to_page(pages);  in mpage_readpages()  local
433 		prefetchw(&page->flags);  in mpage_readpages()
434 		list_del(&page->lru);  in mpage_readpages()
435 		if (!add_to_page_cache_lru(page, mapping,  in mpage_readpages()
436 					page->index,  in mpage_readpages()
438 			args.page = page;  in mpage_readpages()
442 		put_page(page);  in mpage_readpages()
454 int mpage_readpage(struct page *page, get_block_t get_block)  in mpage_readpage()  argument
457 		.page = page,  in mpage_readpage()
497 static void clean_buffers(struct page *page, unsigned first_unmapped)  in clean_buffers()  argument
501 	if (!page_has_buffers(page))  in clean_buffers()
503 	head = page_buffers(page);  in clean_buffers()
518 	if (buffer_heads_over_limit && PageUptodate(page))  in clean_buffers()
519 		try_to_free_buffers(page);  in clean_buffers()
527 void clean_page_buffers(struct page *page)  in clean_page_buffers()  argument
529 	clean_buffers(page, ~0U);  in clean_page_buffers()
532 static int __mpage_writepage(struct page *page, struct writeback_control *wbc,  in __mpage_writepage()  argument
537 	struct address_space *mapping = page->mapping;  in __mpage_writepage()
538 	struct inode *inode = page->mapping->host;  in __mpage_writepage()
557 	if (page_has_buffers(page)) {  in __mpage_writepage()
558 		struct buffer_head *head = page_buffers(page);  in __mpage_writepage()
610 	BUG_ON(!PageUptodate(page));  in __mpage_writepage()
611 	block_in_file = (sector_t)page->index << (PAGE_SHIFT - blkbits);  in __mpage_writepage()
613 	map_bh.b_page = page;  in __mpage_writepage()
643 	if (page->index >= end_index) {  in __mpage_writepage()
654 		if (page->index > end_index || !offset)  in __mpage_writepage()
656 		zero_user_segment(page, offset, PAGE_SIZE);  in __mpage_writepage()
669 								page, wbc))  in __mpage_writepage()
686 	wbc_account_cgroup_owner(wbc, page, PAGE_SIZE);  in __mpage_writepage()
688 	if (bio_add_page(bio, page, length, 0) < length) {  in __mpage_writepage()
693 	clean_buffers(page, first_unmapped);  in __mpage_writepage()
695 	BUG_ON(PageWriteback(page));  in __mpage_writepage()
696 	set_page_writeback(page);  in __mpage_writepage()
697 	unlock_page(page);  in __mpage_writepage()
714 		ret = mapping->a_ops->writepage(page, wbc);  in __mpage_writepage()
778 int mpage_writepage(struct page *page, get_block_t get_block,  in mpage_writepage()  argument
787 	int ret = __mpage_writepage(page, wbc, &mpd);  in mpage_writepage()