91 static struct f2fs_dir_entry *find_in_block(struct page *dentry_page,  in find_in_block()  argument
99 	dentry_blk = (struct f2fs_dentry_block *)kmap(dentry_page);  in find_in_block()
105 		*res_page = dentry_page;  in find_in_block()
107 		kunmap(dentry_page);  in find_in_block()
113 	f2fs_bug_on(F2FS_P_SB(dentry_page), d.max < 0);  in find_in_block()
164 	struct page *dentry_page;  in find_in_level()  local
180 		dentry_page = find_data_page(dir, bidx, true);  in find_in_level()
181 		if (IS_ERR(dentry_page)) {  in find_in_level()
186 		de = find_in_block(dentry_page, name, &max_slots, res_page);  in find_in_level()
192 		f2fs_put_page(dentry_page, 0);  in find_in_level()
346 	struct page *dentry_page;  in make_empty_dir()  local
353 	dentry_page = get_new_data_page(inode, page, 0, true);  in make_empty_dir()
354 	if (IS_ERR(dentry_page))  in make_empty_dir()
355 		return PTR_ERR(dentry_page);  in make_empty_dir()
357 	dentry_blk = kmap_atomic(dentry_page);  in make_empty_dir()
364 	set_page_dirty(dentry_page);  in make_empty_dir()
365 	f2fs_put_page(dentry_page, 1);  in make_empty_dir()
505 	struct page *dentry_page = NULL;  in __f2fs_add_link()  local
543 		dentry_page = get_new_data_page(dir, NULL, block, true);  in __f2fs_add_link()
544 		if (IS_ERR(dentry_page))  in __f2fs_add_link()
545 			return PTR_ERR(dentry_page);  in __f2fs_add_link()
547 		dentry_blk = kmap(dentry_page);  in __f2fs_add_link()
553 		kunmap(dentry_page);  in __f2fs_add_link()
554 		f2fs_put_page(dentry_page, 1);  in __f2fs_add_link()
561 	f2fs_wait_on_page_writeback(dentry_page, DATA);  in __f2fs_add_link()
575 	set_page_dirty(dentry_page);  in __f2fs_add_link()
593 	kunmap(dentry_page);  in __f2fs_add_link()
594 	f2fs_put_page(dentry_page, 1);  in __f2fs_add_link()
696 	struct page *dentry_page;  in f2fs_empty_dir()  local
705 		dentry_page = get_lock_data_page(dir, bidx);  in f2fs_empty_dir()
706 		if (IS_ERR(dentry_page)) {  in f2fs_empty_dir()
707 			if (PTR_ERR(dentry_page) == -ENOENT)  in f2fs_empty_dir()
713 		dentry_blk = kmap_atomic(dentry_page);  in f2fs_empty_dir()
723 		f2fs_put_page(dentry_page, 1);  in f2fs_empty_dir()
766 	struct page *dentry_page = NULL;  in f2fs_readdir()  local
780 		dentry_page = get_lock_data_page(inode, n);  in f2fs_readdir()
781 		if (IS_ERR(dentry_page))  in f2fs_readdir()
784 		dentry_blk = kmap(dentry_page);  in f2fs_readdir()
792 		kunmap(dentry_page);  in f2fs_readdir()
793 		f2fs_put_page(dentry_page, 1);  in f2fs_readdir()
794 		dentry_page = NULL;  in f2fs_readdir()
797 	if (dentry_page && !IS_ERR(dentry_page)) {  in f2fs_readdir()
798 		kunmap(dentry_page);  in f2fs_readdir()
799 		f2fs_put_page(dentry_page, 1);  in f2fs_readdir()