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()
158 static struct f2fs_dir_entry *find_in_level(struct inode *dir,  in find_in_level()
216 struct f2fs_dir_entry *f2fs_find_entry(struct inode *dir,  in f2fs_find_entry()
252 struct f2fs_dir_entry *f2fs_parent_dir(struct inode *dir, struct page **p)  in f2fs_parent_dir()
272 ino_t f2fs_inode_by_name(struct inode *dir, struct qstr *qstr)  in f2fs_inode_by_name()
288 void f2fs_set_link(struct inode *dir, struct f2fs_dir_entry *de,  in f2fs_set_link()
289 		struct page *page, struct inode *inode)  in f2fs_set_link()  argument
294 	de->ino = cpu_to_le32(inode->i_ino);  in f2fs_set_link()
295 	set_de_type(de, inode->i_mode);  in f2fs_set_link()
317 int update_dent_inode(struct inode *inode, struct inode *to,  in update_dent_inode()  argument
325 	page = get_node_page(F2FS_I_SB(inode), inode->i_ino);  in update_dent_inode()
335 void do_make_empty_dir(struct inode *inode, struct inode *parent,  in do_make_empty_dir()  argument
343 	de->ino = cpu_to_le32(inode->i_ino);  in do_make_empty_dir()
345 	set_de_type(de, inode->i_mode);  in do_make_empty_dir()
358 static int make_empty_dir(struct inode *inode,  in make_empty_dir()  argument
359 		struct inode *parent, struct page *page)  in make_empty_dir()
365 	if (f2fs_has_inline_dentry(inode))  in make_empty_dir()
366 		return make_empty_inline_dir(inode, parent, page);  in make_empty_dir()
368 	dentry_page = get_new_data_page(inode, page, 0, true);  in make_empty_dir()
375 	do_make_empty_dir(inode, parent, &d);  in make_empty_dir()
384 struct page *init_inode_metadata(struct inode *inode, struct inode *dir,  in init_inode_metadata()  argument
390 	if (is_inode_flag_set(F2FS_I(inode), FI_NEW_INODE)) {  in init_inode_metadata()
391 		page = new_inode_page(inode);  in init_inode_metadata()
395 		if (S_ISDIR(inode->i_mode)) {  in init_inode_metadata()
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()
419 		set_cold_node(inode, page);  in init_inode_metadata()
429 	if (is_inode_flag_set(F2FS_I(inode), FI_INC_LINK)) {  in init_inode_metadata()
430 		file_lost_pino(inode);  in init_inode_metadata()
435 		if (inode->i_nlink == 0)  in init_inode_metadata()
436 			remove_orphan_inode(F2FS_I_SB(dir), inode->i_ino);  in init_inode_metadata()
437 		inc_nlink(inode);  in init_inode_metadata()
445 	truncate_inode_pages(&inode->i_data, 0);  in init_inode_metadata()
446 	truncate_blocks(inode, 0, false);  in init_inode_metadata()
447 	remove_dirty_dir_inode(inode);  in init_inode_metadata()
448 	remove_inode_page(inode);  in init_inode_metadata()
452 void update_parent_metadata(struct inode *dir, struct inode *inode,  in update_parent_metadata()  argument
455 	if (inode && is_inode_flag_set(F2FS_I(inode), FI_NEW_INODE)) {  in update_parent_metadata()
456 		if (S_ISDIR(inode->i_mode)) {  in update_parent_metadata()
460 		clear_inode_flag(F2FS_I(inode), FI_NEW_INODE);  in update_parent_metadata()
470 	if (inode && is_inode_flag_set(F2FS_I(inode), FI_INC_LINK))  in update_parent_metadata()
471 		clear_inode_flag(F2FS_I(inode), FI_INC_LINK);  in update_parent_metadata()
516 int __f2fs_add_link(struct inode *dir, const struct qstr *name,  in __f2fs_add_link()
517 				struct inode *inode, nid_t ino, umode_t mode)  in __f2fs_add_link()  argument
541 		err = f2fs_add_inline_entry(dir, &new_name, inode, ino, mode);  in __f2fs_add_link()
597 	if (inode) {  in __f2fs_add_link()
598 		down_write(&F2FS_I(inode)->i_sem);  in __f2fs_add_link()
599 		page = init_inode_metadata(inode, dir, &new_name, NULL);  in __f2fs_add_link()
605 			file_set_enc_name(inode);  in __f2fs_add_link()
613 	if (inode) {  in __f2fs_add_link()
615 		F2FS_I(inode)->i_pino = dir->i_ino;  in __f2fs_add_link()
616 		update_inode(inode, page);  in __f2fs_add_link()
620 	update_parent_metadata(dir, inode, current_depth);  in __f2fs_add_link()
622 	if (inode)  in __f2fs_add_link()
623 		up_write(&F2FS_I(inode)->i_sem);  in __f2fs_add_link()
636 int f2fs_do_tmpfile(struct inode *inode, struct inode *dir)  in f2fs_do_tmpfile()  argument
641 	down_write(&F2FS_I(inode)->i_sem);  in f2fs_do_tmpfile()
642 	page = init_inode_metadata(inode, dir, NULL, NULL);  in f2fs_do_tmpfile()
648 	update_inode(inode, page);  in f2fs_do_tmpfile()
651 	clear_inode_flag(F2FS_I(inode), FI_NEW_INODE);  in f2fs_do_tmpfile()
653 	up_write(&F2FS_I(inode)->i_sem);  in f2fs_do_tmpfile()
657 void f2fs_drop_nlink(struct inode *dir, struct inode *inode, struct page *page)  in f2fs_drop_nlink()  argument
661 	down_write(&F2FS_I(inode)->i_sem);  in f2fs_drop_nlink()
663 	if (S_ISDIR(inode->i_mode)) {  in f2fs_drop_nlink()
670 	inode->i_ctime = CURRENT_TIME;  in f2fs_drop_nlink()
672 	drop_nlink(inode);  in f2fs_drop_nlink()
673 	if (S_ISDIR(inode->i_mode)) {  in f2fs_drop_nlink()
674 		drop_nlink(inode);  in f2fs_drop_nlink()
675 		i_size_write(inode, 0);  in f2fs_drop_nlink()
677 	up_write(&F2FS_I(inode)->i_sem);  in f2fs_drop_nlink()
678 	update_inode_page(inode);  in f2fs_drop_nlink()
680 	if (inode->i_nlink == 0)  in f2fs_drop_nlink()
681 		add_orphan_inode(sbi, inode->i_ino);  in f2fs_drop_nlink()
691 					struct inode *dir, struct inode *inode)  in f2fs_delete_entry()  argument
699 		return f2fs_delete_inline_entry(dentry, page, dir, inode);  in f2fs_delete_entry()
718 	if (inode)  in f2fs_delete_entry()
719 		f2fs_drop_nlink(dir, inode, NULL);  in f2fs_delete_entry()
731 bool f2fs_empty_dir(struct inode *dir)  in f2fs_empty_dir()
793 		if (f2fs_encrypted_inode(d->inode)) {  in f2fs_fill_dentries()
803 			ret = f2fs_fname_disk_to_usr(d->inode, &de->hash_code,  in f2fs_fill_dentries()
825 	struct inode *inode = file_inode(file);  in f2fs_readdir()  local
826 	unsigned long npages = dir_blocks(inode);  in f2fs_readdir()
835 	if (f2fs_encrypted_inode(inode)) {  in f2fs_readdir()
836 		err = f2fs_get_encryption_info(inode);  in f2fs_readdir()
840 		err = f2fs_fname_crypto_alloc_buffer(inode, F2FS_NAME_LEN,  in f2fs_readdir()
846 	if (f2fs_has_inline_dentry(inode)) {  in f2fs_readdir()
853 		page_cache_sync_readahead(inode->i_mapping, ra, file, n,  in f2fs_readdir()
857 		dentry_page = get_lock_data_page(inode, n, false);  in f2fs_readdir()
863 		make_dentry_ptr(inode, &d, (void *)dentry_blk, 1);  in f2fs_readdir()