158 static struct f2fs_dir_entry *find_in_level(struct inode *dir,  in find_in_level()  argument
175 	f2fs_bug_on(F2FS_I_SB(dir), level > MAX_DIR_HASH_DEPTH);  in find_in_level()
177 	nbucket = dir_buckets(level, F2FS_I(dir)->i_dir_level);  in find_in_level()
180 	bidx = dir_block_index(level, F2FS_I(dir)->i_dir_level,  in find_in_level()
186 		dentry_page = find_data_page(dir, bidx);  in find_in_level()
202 	if (!de && room && F2FS_I(dir)->chash != namehash) {  in find_in_level()
203 		F2FS_I(dir)->chash = namehash;  in find_in_level()
204 		F2FS_I(dir)->clevel = level;  in find_in_level()
216 struct f2fs_dir_entry *f2fs_find_entry(struct inode *dir,  in f2fs_find_entry()  argument
219 	unsigned long npages = dir_blocks(dir);  in f2fs_find_entry()
228 	err = f2fs_fname_setup_filename(dir, child, 1, &fname);  in f2fs_find_entry()
232 	if (f2fs_has_inline_dentry(dir)) {  in f2fs_find_entry()
233 		de = find_in_inline_dir(dir, &fname, res_page);  in f2fs_find_entry()
240 	max_depth = F2FS_I(dir)->i_current_depth;  in f2fs_find_entry()
243 		de = find_in_level(dir, level, &fname, res_page);  in f2fs_find_entry()
252 struct f2fs_dir_entry *f2fs_parent_dir(struct inode *dir, struct page **p)  in f2fs_parent_dir()  argument
258 	if (f2fs_has_inline_dentry(dir))  in f2fs_parent_dir()
259 		return f2fs_parent_inline_dir(dir, p);  in f2fs_parent_dir()
261 	page = get_lock_data_page(dir, 0, false);  in f2fs_parent_dir()
272 ino_t f2fs_inode_by_name(struct inode *dir, struct qstr *qstr)  in f2fs_inode_by_name()  argument
278 	de = f2fs_find_entry(dir, qstr, &page);  in f2fs_inode_by_name()
281 		f2fs_dentry_kunmap(dir, page);  in f2fs_inode_by_name()
288 void f2fs_set_link(struct inode *dir, struct f2fs_dir_entry *de,  in f2fs_set_link()  argument
291 	enum page_type type = f2fs_has_inline_dentry(dir) ? NODE : DATA;  in f2fs_set_link()
296 	f2fs_dentry_kunmap(dir, page);  in f2fs_set_link()
298 	dir->i_mtime = dir->i_ctime = CURRENT_TIME;  in f2fs_set_link()
299 	mark_inode_dirty(dir);  in f2fs_set_link()
384 struct page *init_inode_metadata(struct inode *inode, struct inode *dir,  in init_inode_metadata()  argument
396 			err = make_empty_dir(inode, dir, page);  in init_inode_metadata()
401 		err = f2fs_init_acl(inode, dir, page, dpage);  in init_inode_metadata()
405 		err = f2fs_init_security(inode, dir, name, page);  in init_inode_metadata()
409 		if (f2fs_encrypted_inode(dir) && f2fs_may_encrypt(inode)) {  in init_inode_metadata()
410 			err = f2fs_inherit_context(dir, inode, page);  in init_inode_metadata()
415 		page = get_node_page(F2FS_I_SB(dir), inode->i_ino);  in init_inode_metadata()
436 			remove_orphan_inode(F2FS_I_SB(dir), inode->i_ino);  in init_inode_metadata()
452 void update_parent_metadata(struct inode *dir, struct inode *inode,  in update_parent_metadata()  argument
457 			inc_nlink(dir);  in update_parent_metadata()
458 			set_inode_flag(F2FS_I(dir), FI_UPDATE_DIR);  in update_parent_metadata()
462 	dir->i_mtime = dir->i_ctime = CURRENT_TIME;  in update_parent_metadata()
463 	mark_inode_dirty(dir);  in update_parent_metadata()
465 	if (F2FS_I(dir)->i_current_depth != current_depth) {  in update_parent_metadata()
466 		F2FS_I(dir)->i_current_depth = current_depth;  in update_parent_metadata()
467 		set_inode_flag(F2FS_I(dir), FI_UPDATE_DIR);  in update_parent_metadata()
516 int __f2fs_add_link(struct inode *dir, const struct qstr *name,  in __f2fs_add_link()  argument
533 	err = f2fs_fname_setup_filename(dir, name, 0, &fname);  in __f2fs_add_link()
540 	if (f2fs_has_inline_dentry(dir)) {  in __f2fs_add_link()
541 		err = f2fs_add_inline_entry(dir, &new_name, inode, ino, mode);  in __f2fs_add_link()
552 	current_depth = F2FS_I(dir)->i_current_depth;  in __f2fs_add_link()
553 	if (F2FS_I(dir)->chash == dentry_hash) {  in __f2fs_add_link()
554 		level = F2FS_I(dir)->clevel;  in __f2fs_add_link()
555 		F2FS_I(dir)->chash = 0;  in __f2fs_add_link()
568 	nbucket = dir_buckets(level, F2FS_I(dir)->i_dir_level);  in __f2fs_add_link()
571 	bidx = dir_block_index(level, F2FS_I(dir)->i_dir_level,  in __f2fs_add_link()
575 		dentry_page = get_new_data_page(dir, NULL, block, true);  in __f2fs_add_link()
599 		page = init_inode_metadata(inode, dir, &new_name, NULL);  in __f2fs_add_link()
604 		if (f2fs_encrypted_inode(dir))  in __f2fs_add_link()
615 		F2FS_I(inode)->i_pino = dir->i_ino;  in __f2fs_add_link()
620 	update_parent_metadata(dir, inode, current_depth);  in __f2fs_add_link()
625 	if (is_inode_flag_set(F2FS_I(dir), FI_UPDATE_DIR)) {  in __f2fs_add_link()
626 		update_inode_page(dir);  in __f2fs_add_link()
627 		clear_inode_flag(F2FS_I(dir), FI_UPDATE_DIR);  in __f2fs_add_link()
636 int f2fs_do_tmpfile(struct inode *inode, struct inode *dir)  in f2fs_do_tmpfile()  argument
642 	page = init_inode_metadata(inode, dir, NULL, NULL);  in f2fs_do_tmpfile()
657 void f2fs_drop_nlink(struct inode *dir, struct inode *inode, struct page *page)  in f2fs_drop_nlink()  argument
659 	struct f2fs_sb_info *sbi = F2FS_I_SB(dir);  in f2fs_drop_nlink()
664 		drop_nlink(dir);  in f2fs_drop_nlink()
666 			update_inode(dir, page);  in f2fs_drop_nlink()
668 			update_inode_page(dir);  in f2fs_drop_nlink()
691 					struct inode *dir, struct inode *inode)  in f2fs_delete_entry()  argument
698 	if (f2fs_has_inline_dentry(dir))  in f2fs_delete_entry()
699 		return f2fs_delete_inline_entry(dentry, page, dir, inode);  in f2fs_delete_entry()
716 	dir->i_ctime = dir->i_mtime = CURRENT_TIME;  in f2fs_delete_entry()
719 		f2fs_drop_nlink(dir, inode, NULL);  in f2fs_delete_entry()
722 			!truncate_hole(dir, page->index, page->index + 1)) {  in f2fs_delete_entry()
726 		inode_dec_dirty_pages(dir);  in f2fs_delete_entry()
731 bool f2fs_empty_dir(struct inode *dir)  in f2fs_empty_dir()  argument
737 	unsigned long nblock = dir_blocks(dir);  in f2fs_empty_dir()
739 	if (f2fs_has_inline_dentry(dir))  in f2fs_empty_dir()
740 		return f2fs_empty_inline_dir(dir);  in f2fs_empty_dir()
743 		dentry_page = get_lock_data_page(dir, bidx, false);  in f2fs_empty_dir()