157 static struct f2fs_dir_entry *find_in_level(struct inode *dir,  in find_in_level()  argument
169 	f2fs_bug_on(F2FS_I_SB(dir), level > MAX_DIR_HASH_DEPTH);  in find_in_level()
171 	nbucket = dir_buckets(level, F2FS_I(dir)->i_dir_level);  in find_in_level()
174 	bidx = dir_block_index(level, F2FS_I(dir)->i_dir_level,  in find_in_level()
180 		dentry_page = find_data_page(dir, bidx, true);  in find_in_level()
195 	if (!de && room && F2FS_I(dir)->chash != namehash) {  in find_in_level()
196 		F2FS_I(dir)->chash = namehash;  in find_in_level()
197 		F2FS_I(dir)->clevel = level;  in find_in_level()
209 struct f2fs_dir_entry *f2fs_find_entry(struct inode *dir,  in f2fs_find_entry()  argument
212 	unsigned long npages = dir_blocks(dir);  in f2fs_find_entry()
220 	if (f2fs_has_inline_dentry(dir))  in f2fs_find_entry()
221 		return find_in_inline_dir(dir, child, res_page);  in f2fs_find_entry()
227 	max_depth = F2FS_I(dir)->i_current_depth;  in f2fs_find_entry()
230 		de = find_in_level(dir, level, child, name_hash, res_page);  in f2fs_find_entry()
234 	if (!de && F2FS_I(dir)->chash != name_hash) {  in f2fs_find_entry()
235 		F2FS_I(dir)->chash = name_hash;  in f2fs_find_entry()
236 		F2FS_I(dir)->clevel = level - 1;  in f2fs_find_entry()
241 struct f2fs_dir_entry *f2fs_parent_dir(struct inode *dir, struct page **p)  in f2fs_parent_dir()  argument
247 	if (f2fs_has_inline_dentry(dir))  in f2fs_parent_dir()
248 		return f2fs_parent_inline_dir(dir, p);  in f2fs_parent_dir()
250 	page = get_lock_data_page(dir, 0);  in f2fs_parent_dir()
261 ino_t f2fs_inode_by_name(struct inode *dir, struct qstr *qstr)  in f2fs_inode_by_name()  argument
267 	de = f2fs_find_entry(dir, qstr, &page);  in f2fs_inode_by_name()
270 		f2fs_dentry_kunmap(dir, page);  in f2fs_inode_by_name()
277 void f2fs_set_link(struct inode *dir, struct f2fs_dir_entry *de,  in f2fs_set_link()  argument
280 	enum page_type type = f2fs_has_inline_dentry(dir) ? NODE : DATA;  in f2fs_set_link()
285 	f2fs_dentry_kunmap(dir, page);  in f2fs_set_link()
287 	dir->i_mtime = dir->i_ctime = CURRENT_TIME;  in f2fs_set_link()
288 	mark_inode_dirty(dir);  in f2fs_set_link()
369 struct page *init_inode_metadata(struct inode *inode, struct inode *dir,  in init_inode_metadata()  argument
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()
415 			remove_orphan_inode(F2FS_I_SB(dir), inode->i_ino);  in init_inode_metadata()
431 void update_parent_metadata(struct inode *dir, struct inode *inode,  in update_parent_metadata()  argument
436 			inc_nlink(dir);  in update_parent_metadata()
437 			set_inode_flag(F2FS_I(dir), FI_UPDATE_DIR);  in update_parent_metadata()
441 	dir->i_mtime = dir->i_ctime = CURRENT_TIME;  in update_parent_metadata()
442 	mark_inode_dirty(dir);  in update_parent_metadata()
444 	if (F2FS_I(dir)->i_current_depth != current_depth) {  in update_parent_metadata()
445 		F2FS_I(dir)->i_current_depth = current_depth;  in update_parent_metadata()
446 		set_inode_flag(F2FS_I(dir), FI_UPDATE_DIR);  in update_parent_metadata()
495 int __f2fs_add_link(struct inode *dir, const struct qstr *name,  in __f2fs_add_link()  argument
512 	if (f2fs_has_inline_dentry(dir)) {  in __f2fs_add_link()
513 		err = f2fs_add_inline_entry(dir, name, inode, ino, mode);  in __f2fs_add_link()
522 	current_depth = F2FS_I(dir)->i_current_depth;  in __f2fs_add_link()
523 	if (F2FS_I(dir)->chash == dentry_hash) {  in __f2fs_add_link()
524 		level = F2FS_I(dir)->clevel;  in __f2fs_add_link()
525 		F2FS_I(dir)->chash = 0;  in __f2fs_add_link()
536 	nbucket = dir_buckets(level, F2FS_I(dir)->i_dir_level);  in __f2fs_add_link()
539 	bidx = dir_block_index(level, F2FS_I(dir)->i_dir_level,  in __f2fs_add_link()
543 		dentry_page = get_new_data_page(dir, NULL, block, true);  in __f2fs_add_link()
565 		page = init_inode_metadata(inode, dir, name, NULL);  in __f2fs_add_link()
579 		F2FS_I(inode)->i_pino = dir->i_ino;  in __f2fs_add_link()
584 	update_parent_metadata(dir, inode, current_depth);  in __f2fs_add_link()
589 	if (is_inode_flag_set(F2FS_I(dir), FI_UPDATE_DIR)) {  in __f2fs_add_link()
590 		update_inode_page(dir);  in __f2fs_add_link()
591 		clear_inode_flag(F2FS_I(dir), FI_UPDATE_DIR);  in __f2fs_add_link()
598 int f2fs_do_tmpfile(struct inode *inode, struct inode *dir)  in f2fs_do_tmpfile()  argument
604 	page = init_inode_metadata(inode, dir, NULL, NULL);  in f2fs_do_tmpfile()
619 void f2fs_drop_nlink(struct inode *dir, struct inode *inode, struct page *page)  in f2fs_drop_nlink()  argument
621 	struct f2fs_sb_info *sbi = F2FS_I_SB(dir);  in f2fs_drop_nlink()
626 		drop_nlink(dir);  in f2fs_drop_nlink()
628 			update_inode(dir, page);  in f2fs_drop_nlink()
630 			update_inode_page(dir);  in f2fs_drop_nlink()
653 					struct inode *dir, struct inode *inode)  in f2fs_delete_entry()  argument
660 	if (f2fs_has_inline_dentry(dir))  in f2fs_delete_entry()
661 		return f2fs_delete_inline_entry(dentry, page, dir, inode);  in f2fs_delete_entry()
678 	dir->i_ctime = dir->i_mtime = CURRENT_TIME;  in f2fs_delete_entry()
681 		f2fs_drop_nlink(dir, inode, NULL);  in f2fs_delete_entry()
684 		truncate_hole(dir, page->index, page->index + 1);  in f2fs_delete_entry()
688 		inode_dec_dirty_pages(dir);  in f2fs_delete_entry()
693 bool f2fs_empty_dir(struct inode *dir)  in f2fs_empty_dir()  argument
699 	unsigned long nblock = dir_blocks(dir);  in f2fs_empty_dir()
701 	if (f2fs_has_inline_dentry(dir))  in f2fs_empty_dir()
702 		return f2fs_empty_inline_dir(dir);  in f2fs_empty_dir()
705 		dentry_page = get_lock_data_page(dir, bidx);  in f2fs_empty_dir()