14  * on code by Martin von Loewis <martin@mira.isdn.cs.tu-berlin.de>.
33  * len <= UFS_MAXNAMLEN and de != NULL are guaranteed by caller.
36 		const unsigned char *name, struct ufs_dir_entry *de)  in ufs_match()  argument
38 	if (len != ufs_get_de_namlen(sb, de))  in ufs_match()
40 	if (!de->d_ino)  in ufs_match()
42 	return !memcmp(name, de->d_name, len);  in ufs_match()
73 	struct ufs_dir_entry *de;  in ufs_inode_by_name()  local
76 	de = ufs_find_entry(dir, qstr, &page);  in ufs_inode_by_name()
77 	if (de) {  in ufs_inode_by_name()
78 		res = fs32_to_cpu(dir->i_sb, de->d_ino);  in ufs_inode_by_name()
86 void ufs_set_link(struct inode *dir, struct ufs_dir_entry *de,  in ufs_set_link()  argument
91 			(char *) de - (char *) page_address(page);  in ufs_set_link()
92 	unsigned len = fs16_to_cpu(dir->i_sb, de->d_reclen);  in ufs_set_link()
99 	de->d_ino = cpu_to_fs32(dir->i_sb, inode->i_ino);  in ufs_set_link()
100 	ufs_set_de_type(dir->i_sb, de, inode->i_mode);  in ufs_set_link()
232 	struct ufs_dir_entry *de = NULL;  in ufs_dotdot()  local
235 		de = ufs_next_entry(dir->i_sb,  in ufs_dotdot()
239 	return de;  in ufs_dotdot()
261 	struct ufs_dir_entry *de;  in ufs_find_entry()  local
281 			de = (struct ufs_dir_entry *) kaddr;  in ufs_find_entry()
283 			while ((char *) de <= kaddr) {  in ufs_find_entry()
284 				if (ufs_match(sb, namelen, name, de))  in ufs_find_entry()
286 				de = ufs_next_entry(sb, de);  in ufs_find_entry()
299 	return de;  in ufs_find_entry()
315 	struct ufs_dir_entry *de;  in ufs_add_link()  local
339 		de = (struct ufs_dir_entry *)kaddr;  in ufs_add_link()
341 		while ((char *)de <= kaddr) {  in ufs_add_link()
342 			if ((char *)de == dir_end) {  in ufs_add_link()
346 				de->d_reclen = cpu_to_fs16(sb, chunk_size);  in ufs_add_link()
347 				de->d_ino = 0;  in ufs_add_link()
350 			if (de->d_reclen == 0) {  in ufs_add_link()
357 			if (ufs_match(sb, namelen, name, de))  in ufs_add_link()
359 			name_len = UFS_DIR_REC_LEN(ufs_get_de_namlen(sb, de));  in ufs_add_link()
360 			rec_len = fs16_to_cpu(sb, de->d_reclen);  in ufs_add_link()
361 			if (!de->d_ino && rec_len >= reclen)  in ufs_add_link()
365 			de = (struct ufs_dir_entry *) ((char *) de + rec_len);  in ufs_add_link()
375 			(char*)de - (char*)page_address(page);  in ufs_add_link()
379 	if (de->d_ino) {  in ufs_add_link()
381 			(struct ufs_dir_entry *) ((char *) de + name_len);  in ufs_add_link()
383 		de->d_reclen = cpu_to_fs16(sb, name_len);  in ufs_add_link()
385 		de = de1;  in ufs_add_link()
388 	ufs_set_de_namlen(sb, de, namelen);  in ufs_add_link()
389 	memcpy(de->d_name, name, namelen + 1);  in ufs_add_link()
390 	de->d_ino = cpu_to_fs32(sb, inode->i_ino);  in ufs_add_link()
391 	ufs_set_de_type(sb, de, inode->i_mode);  in ufs_add_link()
411 	struct ufs_dir_entry *de = (struct ufs_dir_entry*)(base + offset);  in ufs_validate_entry()  local
413 	while ((char*)p < (char*)de)  in ufs_validate_entry()
442 		struct ufs_dir_entry *de;  in ufs_readdir()  local
462 		de = (struct ufs_dir_entry *)(kaddr+offset);  in ufs_readdir()
464 		for ( ;(char*)de <= limit; de = ufs_next_entry(sb, de)) {  in ufs_readdir()
465 			if (de->d_ino) {  in ufs_readdir()
468 				UFSD("filldir(%s,%u)\n", de->d_name,  in ufs_readdir()
469 				      fs32_to_cpu(sb, de->d_ino));  in ufs_readdir()
470 				UFSD("namlen %u\n", ufs_get_de_namlen(sb, de));  in ufs_readdir()
473 					d_type = de->d_u.d_44.d_type;  in ufs_readdir()
475 				if (!dir_emit(ctx, de->d_name,  in ufs_readdir()
476 					       ufs_get_de_namlen(sb, de),  in ufs_readdir()
477 					       fs32_to_cpu(sb, de->d_ino),  in ufs_readdir()
483 			ctx->pos += fs16_to_cpu(sb, de->d_reclen);  in ufs_readdir()
504 	struct ufs_dir_entry *de = (struct ufs_dir_entry *) (kaddr + from);  in ufs_delete_entry()  local
510 	      fs32_to_cpu(sb, de->d_ino),  in ufs_delete_entry()
511 	      fs16_to_cpu(sb, de->d_reclen),  in ufs_delete_entry()
512 	      ufs_get_de_namlen(sb, de), de->d_name);  in ufs_delete_entry()
514 	while ((char*)de < (char*)dir) {  in ufs_delete_entry()
515 		if (de->d_reclen == 0) {  in ufs_delete_entry()
521 		pde = de;  in ufs_delete_entry()
522 		de = ufs_next_entry(sb, de);  in ufs_delete_entry()
549 	struct ufs_dir_entry * de;  in ufs_make_empty()  local
566 	de = (struct ufs_dir_entry *) base;  in ufs_make_empty()
568 	de->d_ino = cpu_to_fs32(sb, inode->i_ino);  in ufs_make_empty()
569 	ufs_set_de_type(sb, de, inode->i_mode);  in ufs_make_empty()
570 	ufs_set_de_namlen(sb, de, 1);  in ufs_make_empty()
571 	de->d_reclen = cpu_to_fs16(sb, UFS_DIR_REC_LEN(1));  in ufs_make_empty()
572 	strcpy (de->d_name, ".");  in ufs_make_empty()
573 	de = (struct ufs_dir_entry *)  in ufs_make_empty()
574 		((char *)de + fs16_to_cpu(sb, de->d_reclen));  in ufs_make_empty()
575 	de->d_ino = cpu_to_fs32(sb, dir->i_ino);  in ufs_make_empty()
576 	ufs_set_de_type(sb, de, dir->i_mode);  in ufs_make_empty()
577 	de->d_reclen = cpu_to_fs16(sb, chunk_size - UFS_DIR_REC_LEN(1));  in ufs_make_empty()
578 	ufs_set_de_namlen(sb, de, 2);  in ufs_make_empty()
579 	strcpy (de->d_name, "..");  in ufs_make_empty()
599 		struct ufs_dir_entry *de;  in ufs_empty_dir()  local
606 		de = (struct ufs_dir_entry *)kaddr;  in ufs_empty_dir()
609 		while ((char *)de <= kaddr) {  in ufs_empty_dir()
610 			if (de->d_reclen == 0) {  in ufs_empty_dir()
613 					"kaddr=%p, de=%p\n", kaddr, de);  in ufs_empty_dir()
616 			if (de->d_ino) {  in ufs_empty_dir()
617 				u16 namelen=ufs_get_de_namlen(sb, de);  in ufs_empty_dir()
619 				if (de->d_name[0] != '.')  in ufs_empty_dir()
625 					    fs32_to_cpu(sb, de->d_ino))  in ufs_empty_dir()
627 				} else if (de->d_name[1] != '.')  in ufs_empty_dir()
630 			de = ufs_next_entry(sb, de);  in ufs_empty_dir()