18 static unsigned long dir_blocks(struct inode *inode)  in dir_blocks()  argument
20 	return ((unsigned long long) (i_size_read(inode) + PAGE_CACHE_SIZE - 1))  in dir_blocks()
157 static struct f2fs_dir_entry *find_in_level(struct inode *dir,  in find_in_level()
209 struct f2fs_dir_entry *f2fs_find_entry(struct inode *dir,  in f2fs_find_entry()
241 struct f2fs_dir_entry *f2fs_parent_dir(struct inode *dir, struct page **p)  in f2fs_parent_dir()
261 ino_t f2fs_inode_by_name(struct inode *dir, struct qstr *qstr)  in f2fs_inode_by_name()
277 void f2fs_set_link(struct inode *dir, struct f2fs_dir_entry *de,  in f2fs_set_link()
278 		struct page *page, struct inode *inode)  in f2fs_set_link()  argument
283 	de->ino = cpu_to_le32(inode->i_ino);  in f2fs_set_link()
284 	set_de_type(de, inode->i_mode);  in f2fs_set_link()
306 int update_dent_inode(struct inode *inode, const struct qstr *name)  in update_dent_inode()  argument
310 	page = get_node_page(F2FS_I_SB(inode), inode->i_ino);  in update_dent_inode()
320 void do_make_empty_dir(struct inode *inode, struct inode *parent,  in do_make_empty_dir()  argument
328 	de->ino = cpu_to_le32(inode->i_ino);  in do_make_empty_dir()
330 	set_de_type(de, inode->i_mode);  in do_make_empty_dir()
343 static int make_empty_dir(struct inode *inode,  in make_empty_dir()  argument
344 		struct inode *parent, struct page *page)  in make_empty_dir()
350 	if (f2fs_has_inline_dentry(inode))  in make_empty_dir()
351 		return make_empty_inline_dir(inode, parent, page);  in make_empty_dir()
353 	dentry_page = get_new_data_page(inode, page, 0, true);  in make_empty_dir()
360 	do_make_empty_dir(inode, parent, &d);  in make_empty_dir()
369 struct page *init_inode_metadata(struct inode *inode, struct inode *dir,  in init_inode_metadata()  argument
375 	if (is_inode_flag_set(F2FS_I(inode), FI_NEW_INODE)) {  in init_inode_metadata()
376 		page = new_inode_page(inode);  in init_inode_metadata()
380 		if (S_ISDIR(inode->i_mode)) {  in init_inode_metadata()
381 			err = make_empty_dir(inode, dir, page);  in init_inode_metadata()
386 		err = f2fs_init_acl(inode, dir, page, dpage);  in init_inode_metadata()
390 		err = f2fs_init_security(inode, dir, name, page);  in init_inode_metadata()
394 		page = get_node_page(F2FS_I_SB(dir), inode->i_ino);  in init_inode_metadata()
398 		set_cold_node(inode, page);  in init_inode_metadata()
408 	if (is_inode_flag_set(F2FS_I(inode), FI_INC_LINK)) {  in init_inode_metadata()
409 		file_lost_pino(inode);  in init_inode_metadata()
414 		if (inode->i_nlink == 0)  in init_inode_metadata()
415 			remove_orphan_inode(F2FS_I_SB(dir), inode->i_ino);  in init_inode_metadata()
416 		inc_nlink(inode);  in init_inode_metadata()
424 	truncate_inode_pages(&inode->i_data, 0);  in init_inode_metadata()
425 	truncate_blocks(inode, 0, false);  in init_inode_metadata()
426 	remove_dirty_dir_inode(inode);  in init_inode_metadata()
427 	remove_inode_page(inode);  in init_inode_metadata()
431 void update_parent_metadata(struct inode *dir, struct inode *inode,  in update_parent_metadata()  argument
434 	if (inode && is_inode_flag_set(F2FS_I(inode), FI_NEW_INODE)) {  in update_parent_metadata()
435 		if (S_ISDIR(inode->i_mode)) {  in update_parent_metadata()
439 		clear_inode_flag(F2FS_I(inode), FI_NEW_INODE);  in update_parent_metadata()
449 	if (inode && is_inode_flag_set(F2FS_I(inode), FI_INC_LINK))  in update_parent_metadata()
450 		clear_inode_flag(F2FS_I(inode), FI_INC_LINK);  in update_parent_metadata()
495 int __f2fs_add_link(struct inode *dir, const struct qstr *name,  in __f2fs_add_link()
496 				struct inode *inode, nid_t ino, umode_t mode)  in __f2fs_add_link()  argument
513 		err = f2fs_add_inline_entry(dir, name, inode, ino, mode);  in __f2fs_add_link()
563 	if (inode) {  in __f2fs_add_link()
564 		down_write(&F2FS_I(inode)->i_sem);  in __f2fs_add_link()
565 		page = init_inode_metadata(inode, dir, name, NULL);  in __f2fs_add_link()
577 	if (inode) {  in __f2fs_add_link()
579 		F2FS_I(inode)->i_pino = dir->i_ino;  in __f2fs_add_link()
580 		update_inode(inode, page);  in __f2fs_add_link()
584 	update_parent_metadata(dir, inode, current_depth);  in __f2fs_add_link()
586 	if (inode)  in __f2fs_add_link()
587 		up_write(&F2FS_I(inode)->i_sem);  in __f2fs_add_link()
598 int f2fs_do_tmpfile(struct inode *inode, struct inode *dir)  in f2fs_do_tmpfile()  argument
603 	down_write(&F2FS_I(inode)->i_sem);  in f2fs_do_tmpfile()
604 	page = init_inode_metadata(inode, dir, NULL, NULL);  in f2fs_do_tmpfile()
610 	update_inode(inode, page);  in f2fs_do_tmpfile()
613 	clear_inode_flag(F2FS_I(inode), FI_NEW_INODE);  in f2fs_do_tmpfile()
615 	up_write(&F2FS_I(inode)->i_sem);  in f2fs_do_tmpfile()
619 void f2fs_drop_nlink(struct inode *dir, struct inode *inode, struct page *page)  in f2fs_drop_nlink()  argument
623 	down_write(&F2FS_I(inode)->i_sem);  in f2fs_drop_nlink()
625 	if (S_ISDIR(inode->i_mode)) {  in f2fs_drop_nlink()
632 	inode->i_ctime = CURRENT_TIME;  in f2fs_drop_nlink()
634 	drop_nlink(inode);  in f2fs_drop_nlink()
635 	if (S_ISDIR(inode->i_mode)) {  in f2fs_drop_nlink()
636 		drop_nlink(inode);  in f2fs_drop_nlink()
637 		i_size_write(inode, 0);  in f2fs_drop_nlink()
639 	up_write(&F2FS_I(inode)->i_sem);  in f2fs_drop_nlink()
640 	update_inode_page(inode);  in f2fs_drop_nlink()
642 	if (inode->i_nlink == 0)  in f2fs_drop_nlink()
643 		add_orphan_inode(sbi, inode->i_ino);  in f2fs_drop_nlink()
653 					struct inode *dir, struct inode *inode)  in f2fs_delete_entry()  argument
661 		return f2fs_delete_inline_entry(dentry, page, dir, inode);  in f2fs_delete_entry()
680 	if (inode)  in f2fs_delete_entry()
681 		f2fs_drop_nlink(dir, inode, NULL);  in f2fs_delete_entry()
693 bool f2fs_empty_dir(struct inode *dir)  in f2fs_empty_dir()
763 	struct inode *inode = file_inode(file);  in f2fs_readdir()  local
764 	unsigned long npages = dir_blocks(inode);  in f2fs_readdir()
771 	if (f2fs_has_inline_dentry(inode))  in f2fs_readdir()
776 		page_cache_sync_readahead(inode->i_mapping, ra, file, n,  in f2fs_readdir()
780 		dentry_page = get_lock_data_page(inode, n);  in f2fs_readdir()