222  * len <= EXT2_NAME_LEN and de != NULL are guaranteed by caller.
225 					struct ext2_dir_entry_2 * de)  in ext2_match()  argument
227 	if (len != de->name_len)  in ext2_match()
229 	if (!de->inode)  in ext2_match()
231 	return !memcmp(name, de->name, len);  in ext2_match()
246 	ext2_dirent *de = (ext2_dirent*)(base + offset);  in ext2_validate_entry()  local
248 	while ((char*)p < (char*)de) {  in ext2_validate_entry()
256 static inline void ext2_set_de_type(ext2_dirent *de, struct inode *inode)  in ext2_set_de_type()  argument
259 		de->file_type = fs_umode_to_ftype(inode->i_mode);  in ext2_set_de_type()
261 		de->file_type = 0;  in ext2_set_de_type()
285 		ext2_dirent *de;  in ext2_readdir()  local
303 		de = (ext2_dirent *)(kaddr+offset);  in ext2_readdir()
305 		for ( ;(char*)de <= limit; de = ext2_next_entry(de)) {  in ext2_readdir()
306 			if (de->rec_len == 0) {  in ext2_readdir()
312 			if (de->inode) {  in ext2_readdir()
316 					d_type = fs_ftype_to_dtype(de->file_type);  in ext2_readdir()
318 				if (!dir_emit(ctx, de->name, de->name_len,  in ext2_readdir()
319 						le32_to_cpu(de->inode),  in ext2_readdir()
325 			ctx->pos += ext2_rec_len_from_disk(de->rec_len);  in ext2_readdir()
359 	ext2_dirent * de;  in ext2_find_entry()  local
380 		de = (ext2_dirent *) kaddr;  in ext2_find_entry()
382 		while ((char *) de <= kaddr) {  in ext2_find_entry()
383 			if (de->rec_len == 0) {  in ext2_find_entry()
389 			if (ext2_match(namelen, name, de))  in ext2_find_entry()
391 			de = ext2_next_entry(de);  in ext2_find_entry()
413 	return de;  in ext2_find_entry()
433 	ext2_dirent *de = NULL;  in ext2_dotdot()  local
436 		de = ext2_next_entry((ext2_dirent *) page_addr);  in ext2_dotdot()
440 	return de;  in ext2_dotdot()
445 	struct ext2_dir_entry_2 *de;  in ext2_inode_by_name()  local
449 	de = ext2_find_entry(dir, child, &page, &page_addr);  in ext2_inode_by_name()
450 	if (IS_ERR(de))  in ext2_inode_by_name()
451 		return PTR_ERR(de);  in ext2_inode_by_name()
453 	*ino = le32_to_cpu(de->inode);  in ext2_inode_by_name()
463 void ext2_set_link(struct inode *dir, struct ext2_dir_entry_2 *de,  in ext2_set_link()  argument
468 			(char *) de - (char *) page_addr;  in ext2_set_link()
469 	unsigned len = ext2_rec_len_from_disk(de->rec_len);  in ext2_set_link()
475 	de->inode = cpu_to_le32(inode->i_ino);  in ext2_set_link()
476 	ext2_set_de_type(de, inode);  in ext2_set_link()
497 	ext2_dirent * de;  in ext2_add_link()  local
519 		de = (ext2_dirent *)kaddr;  in ext2_add_link()
521 		while ((char *)de <= kaddr) {  in ext2_add_link()
522 			if ((char *)de == dir_end) {  in ext2_add_link()
526 				de->rec_len = ext2_rec_len_to_disk(chunk_size);  in ext2_add_link()
527 				de->inode = 0;  in ext2_add_link()
530 			if (de->rec_len == 0) {  in ext2_add_link()
537 			if (ext2_match (namelen, name, de))  in ext2_add_link()
539 			name_len = EXT2_DIR_REC_LEN(de->name_len);  in ext2_add_link()
540 			rec_len = ext2_rec_len_from_disk(de->rec_len);  in ext2_add_link()
541 			if (!de->inode && rec_len >= reclen)  in ext2_add_link()
545 			de = (ext2_dirent *) ((char *) de + rec_len);  in ext2_add_link()
555 		(char *)de - (char *)page_addr;  in ext2_add_link()
559 	if (de->inode) {  in ext2_add_link()
560 		ext2_dirent *de1 = (ext2_dirent *) ((char *) de + name_len);  in ext2_add_link()
562 		de->rec_len = ext2_rec_len_to_disk(name_len);  in ext2_add_link()
563 		de = de1;  in ext2_add_link()
565 	de->name_len = namelen;  in ext2_add_link()
566 	memcpy(de->name, name, namelen);  in ext2_add_link()
567 	de->inode = cpu_to_le32(inode->i_ino);  in ext2_add_link()
568 	ext2_set_de_type (de, inode);  in ext2_add_link()
596 	ext2_dirent * de = (ext2_dirent *) (kaddr + from);  in ext2_delete_entry()  local
599 	while ((char*)de < (char*)dir) {  in ext2_delete_entry()
600 		if (de->rec_len == 0) {  in ext2_delete_entry()
606 		pde = de;  in ext2_delete_entry()
607 		de = ext2_next_entry(de);  in ext2_delete_entry()
633 	struct ext2_dir_entry_2 * de;  in ext2_make_empty()  local
647 	de = (struct ext2_dir_entry_2 *)kaddr;  in ext2_make_empty()
648 	de->name_len = 1;  in ext2_make_empty()
649 	de->rec_len = ext2_rec_len_to_disk(EXT2_DIR_REC_LEN(1));  in ext2_make_empty()
650 	memcpy (de->name, ".\0\0", 4);  in ext2_make_empty()
651 	de->inode = cpu_to_le32(inode->i_ino);  in ext2_make_empty()
652 	ext2_set_de_type (de, inode);  in ext2_make_empty()
654 	de = (struct ext2_dir_entry_2 *)(kaddr + EXT2_DIR_REC_LEN(1));  in ext2_make_empty()
655 	de->name_len = 2;  in ext2_make_empty()
656 	de->rec_len = ext2_rec_len_to_disk(chunk_size - EXT2_DIR_REC_LEN(1));  in ext2_make_empty()
657 	de->inode = cpu_to_le32(parent->i_ino);  in ext2_make_empty()
658 	memcpy (de->name, "..\0", 4);  in ext2_make_empty()
659 	ext2_set_de_type (de, inode);  in ext2_make_empty()
678 		ext2_dirent * de;  in ext2_empty_dir()  local
685 		de = (ext2_dirent *)kaddr;  in ext2_empty_dir()
688 		while ((char *)de <= kaddr) {  in ext2_empty_dir()
689 			if (de->rec_len == 0) {  in ext2_empty_dir()
692 				printk("kaddr=%p, de=%p\n", kaddr, de);  in ext2_empty_dir()
695 			if (de->inode != 0) {  in ext2_empty_dir()
697 				if (de->name[0] != '.')  in ext2_empty_dir()
699 				if (de->name_len > 2)  in ext2_empty_dir()
701 				if (de->name_len < 2) {  in ext2_empty_dir()
702 					if (de->inode !=  in ext2_empty_dir()
705 				} else if (de->name[1] != '.')  in ext2_empty_dir()
708 			de = ext2_next_entry(de);  in ext2_empty_dir()