32 struct page *grab_meta_page(struct f2fs_sb_info *sbi, pgoff_t index)  in grab_meta_page()
35 	struct page *page = NULL;  in grab_meta_page()  local
37 	page = grab_cache_page(mapping, index);  in grab_meta_page()
38 	if (!page) {  in grab_meta_page()
42 	f2fs_wait_on_page_writeback(page, META);  in grab_meta_page()
43 	SetPageUptodate(page);  in grab_meta_page()
44 	return page;  in grab_meta_page()
50 static struct page *__get_meta_page(struct f2fs_sb_info *sbi, pgoff_t index,  in __get_meta_page()
54 	struct page *page;  in __get_meta_page()  local
66 	page = grab_cache_page(mapping, index);  in __get_meta_page()
67 	if (!page) {  in __get_meta_page()
71 	if (PageUptodate(page))  in __get_meta_page()
74 	fio.page = page;  in __get_meta_page()
77 		f2fs_put_page(page, 1);  in __get_meta_page()
81 	lock_page(page);  in __get_meta_page()
82 	if (unlikely(page->mapping != mapping)) {  in __get_meta_page()
83 		f2fs_put_page(page, 1);  in __get_meta_page()
92 	if (unlikely(!PageUptodate(page)))  in __get_meta_page()
95 	return page;  in __get_meta_page()
98 struct page *get_meta_page(struct f2fs_sb_info *sbi, pgoff_t index)  in get_meta_page()
104 struct page *get_tmp_page(struct f2fs_sb_info *sbi, pgoff_t index)  in get_tmp_page()
147 	struct page *page;  in ra_meta_pages()  local
190 		page = grab_cache_page(META_MAPPING(sbi), fio.blk_addr);  in ra_meta_pages()
191 		if (!page)  in ra_meta_pages()
193 		if (PageUptodate(page)) {  in ra_meta_pages()
194 			f2fs_put_page(page, 1);  in ra_meta_pages()
198 		fio.page = page;  in ra_meta_pages()
200 		f2fs_put_page(page, 0);  in ra_meta_pages()
209 	struct page *page;  in ra_meta_pages_cond()  local
212 	page = find_get_page(META_MAPPING(sbi), index);  in ra_meta_pages_cond()
213 	if (!page || (page && !PageUptodate(page)))  in ra_meta_pages_cond()
215 	f2fs_put_page(page, 0);  in ra_meta_pages_cond()
221 static int f2fs_write_meta_page(struct page *page,  in f2fs_write_meta_page()  argument
224 	struct f2fs_sb_info *sbi = F2FS_P_SB(page);  in f2fs_write_meta_page()
226 	trace_f2fs_writepage(page, META);  in f2fs_write_meta_page()
230 	if (wbc->for_reclaim && page->index < GET_SUM_BLOCK(sbi, 0))  in f2fs_write_meta_page()
235 	f2fs_wait_on_page_writeback(page, META);  in f2fs_write_meta_page()
236 	write_meta_page(sbi, page);  in f2fs_write_meta_page()
238 	unlock_page(page);  in f2fs_write_meta_page()
245 	redirty_page_for_writepage(wbc, page);  in f2fs_write_meta_page()
297 			struct page *page = pvec.pages[i];  in sync_meta_pages()  local
300 				prev = page->index - 1;  in sync_meta_pages()
301 			if (nr_to_write != LONG_MAX && page->index != prev + 1) {  in sync_meta_pages()
306 			lock_page(page);  in sync_meta_pages()
308 			if (unlikely(page->mapping != mapping)) {  in sync_meta_pages()
310 				unlock_page(page);  in sync_meta_pages()
313 			if (!PageDirty(page)) {  in sync_meta_pages()
318 			if (!clear_page_dirty_for_io(page))  in sync_meta_pages()
321 			if (mapping->a_ops->writepage(page, &wbc)) {  in sync_meta_pages()
322 				unlock_page(page);  in sync_meta_pages()
326 			prev = page->index;  in sync_meta_pages()
340 static int f2fs_set_meta_page_dirty(struct page *page)  in f2fs_set_meta_page_dirty()  argument
342 	trace_f2fs_set_page_dirty(page, META);  in f2fs_set_meta_page_dirty()
344 	SetPageUptodate(page);  in f2fs_set_meta_page_dirty()
345 	if (!PageDirty(page)) {  in f2fs_set_meta_page_dirty()
346 		__set_page_dirty_nobuffers(page);  in f2fs_set_meta_page_dirty()
347 		inc_page_count(F2FS_P_SB(page), F2FS_DIRTY_META);  in f2fs_set_meta_page_dirty()
348 		SetPagePrivate(page);  in f2fs_set_meta_page_dirty()
349 		f2fs_trace_pid(page);  in f2fs_set_meta_page_dirty()
528 		struct page *page = get_meta_page(sbi, start_blk + i);  in recover_orphan_inodes()  local
531 		orphan_blk = (struct f2fs_orphan_block *)page_address(page);  in recover_orphan_inodes()
536 				f2fs_put_page(page, 1);  in recover_orphan_inodes()
540 		f2fs_put_page(page, 1);  in recover_orphan_inodes()
554 	struct page *page = NULL;  in write_orphan_inodes()  local
569 		if (!page) {  in write_orphan_inodes()
570 			page = grab_meta_page(sbi, start_blk++);  in write_orphan_inodes()
572 				(struct f2fs_orphan_block *)page_address(page);  in write_orphan_inodes()
587 			set_page_dirty(page);  in write_orphan_inodes()
588 			f2fs_put_page(page, 1);  in write_orphan_inodes()
591 			page = NULL;  in write_orphan_inodes()
595 	if (page) {  in write_orphan_inodes()
599 		set_page_dirty(page);  in write_orphan_inodes()
600 		f2fs_put_page(page, 1);  in write_orphan_inodes()
604 static struct page *validate_checkpoint(struct f2fs_sb_info *sbi,  in validate_checkpoint()
607 	struct page *cp_page_1, *cp_page_2 = NULL;  in validate_checkpoint()
660 	struct page *cp1, *cp2, *cur_page;  in get_valid_checkpoint()
739 void update_dirty_page(struct inode *inode, struct page *page)  in update_dirty_page()  argument
766 	SetPagePrivate(page);  in update_dirty_page()
767 	f2fs_trace_pid(page);  in update_dirty_page()