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()
78 	struct ufs_dir_entry *de;  in ufs_inode_by_name()  local
81 	de = ufs_find_entry(dir, qstr, &page);  in ufs_inode_by_name()
82 	if (de) {  in ufs_inode_by_name()
83 		res = fs32_to_cpu(dir->i_sb, de->d_ino);  in ufs_inode_by_name()
91 void ufs_set_link(struct inode *dir, struct ufs_dir_entry *de,  in ufs_set_link()  argument
96 			(char *) de - (char *) page_address(page);  in ufs_set_link()
97 	unsigned len = fs16_to_cpu(dir->i_sb, de->d_reclen);  in ufs_set_link()
104 	de->d_ino = cpu_to_fs32(dir->i_sb, inode->i_ino);  in ufs_set_link()
105 	ufs_set_de_type(dir->i_sb, de, inode->i_mode);  in ufs_set_link()
238 	struct ufs_dir_entry *de = NULL;  in ufs_dotdot()  local
241 		de = ufs_next_entry(dir->i_sb,  in ufs_dotdot()
245 	return de;  in ufs_dotdot()
267 	struct ufs_dir_entry *de;  in ufs_find_entry()  local
287 			de = (struct ufs_dir_entry *) kaddr;  in ufs_find_entry()
289 			while ((char *) de <= kaddr) {  in ufs_find_entry()
290 				if (ufs_match(sb, namelen, name, de))  in ufs_find_entry()
292 				de = ufs_next_entry(sb, de);  in ufs_find_entry()
305 	return de;  in ufs_find_entry()
321 	struct ufs_dir_entry *de;  in ufs_add_link()  local
345 		de = (struct ufs_dir_entry *)kaddr;  in ufs_add_link()
347 		while ((char *)de <= kaddr) {  in ufs_add_link()
348 			if ((char *)de == dir_end) {  in ufs_add_link()
352 				de->d_reclen = cpu_to_fs16(sb, chunk_size);  in ufs_add_link()
353 				de->d_ino = 0;  in ufs_add_link()
356 			if (de->d_reclen == 0) {  in ufs_add_link()
363 			if (ufs_match(sb, namelen, name, de))  in ufs_add_link()
365 			name_len = UFS_DIR_REC_LEN(ufs_get_de_namlen(sb, de));  in ufs_add_link()
366 			rec_len = fs16_to_cpu(sb, de->d_reclen);  in ufs_add_link()
367 			if (!de->d_ino && rec_len >= reclen)  in ufs_add_link()
371 			de = (struct ufs_dir_entry *) ((char *) de + rec_len);  in ufs_add_link()
381 			(char*)de - (char*)page_address(page);  in ufs_add_link()
385 	if (de->d_ino) {  in ufs_add_link()
387 			(struct ufs_dir_entry *) ((char *) de + name_len);  in ufs_add_link()
389 		de->d_reclen = cpu_to_fs16(sb, name_len);  in ufs_add_link()
391 		de = de1;  in ufs_add_link()
394 	ufs_set_de_namlen(sb, de, namelen);  in ufs_add_link()
395 	memcpy(de->d_name, name, namelen + 1);  in ufs_add_link()
396 	de->d_ino = cpu_to_fs32(sb, inode->i_ino);  in ufs_add_link()
397 	ufs_set_de_type(sb, de, inode->i_mode);  in ufs_add_link()
418 	struct ufs_dir_entry *de = (struct ufs_dir_entry*)(base + offset);  in ufs_validate_entry()  local
420 	while ((char*)p < (char*)de)  in ufs_validate_entry()
449 		struct ufs_dir_entry *de;  in ufs_readdir()  local
469 		de = (struct ufs_dir_entry *)(kaddr+offset);  in ufs_readdir()
471 		for ( ;(char*)de <= limit; de = ufs_next_entry(sb, de)) {  in ufs_readdir()
472 			if (de->d_ino) {  in ufs_readdir()
475 				UFSD("filldir(%s,%u)\n", de->d_name,  in ufs_readdir()
476 				      fs32_to_cpu(sb, de->d_ino));  in ufs_readdir()
477 				UFSD("namlen %u\n", ufs_get_de_namlen(sb, de));  in ufs_readdir()
480 					d_type = de->d_u.d_44.d_type;  in ufs_readdir()
482 				if (!dir_emit(ctx, de->d_name,  in ufs_readdir()
483 					       ufs_get_de_namlen(sb, de),  in ufs_readdir()
484 					       fs32_to_cpu(sb, de->d_ino),  in ufs_readdir()
490 			ctx->pos += fs16_to_cpu(sb, de->d_reclen);  in ufs_readdir()
511 	struct ufs_dir_entry *de = (struct ufs_dir_entry *) (kaddr + from);  in ufs_delete_entry()  local
517 	      fs32_to_cpu(sb, de->d_ino),  in ufs_delete_entry()
518 	      fs16_to_cpu(sb, de->d_reclen),  in ufs_delete_entry()
519 	      ufs_get_de_namlen(sb, de), de->d_name);  in ufs_delete_entry()
521 	while ((char*)de < (char*)dir) {  in ufs_delete_entry()
522 		if (de->d_reclen == 0) {  in ufs_delete_entry()
528 		pde = de;  in ufs_delete_entry()
529 		de = ufs_next_entry(sb, de);  in ufs_delete_entry()
557 	struct ufs_dir_entry * de;  in ufs_make_empty()  local
574 	de = (struct ufs_dir_entry *) base;  in ufs_make_empty()
576 	de->d_ino = cpu_to_fs32(sb, inode->i_ino);  in ufs_make_empty()
577 	ufs_set_de_type(sb, de, inode->i_mode);  in ufs_make_empty()
578 	ufs_set_de_namlen(sb, de, 1);  in ufs_make_empty()
579 	de->d_reclen = cpu_to_fs16(sb, UFS_DIR_REC_LEN(1));  in ufs_make_empty()
580 	strcpy (de->d_name, ".");  in ufs_make_empty()
581 	de = (struct ufs_dir_entry *)  in ufs_make_empty()
582 		((char *)de + fs16_to_cpu(sb, de->d_reclen));  in ufs_make_empty()
583 	de->d_ino = cpu_to_fs32(sb, dir->i_ino);  in ufs_make_empty()
584 	ufs_set_de_type(sb, de, dir->i_mode);  in ufs_make_empty()
585 	de->d_reclen = cpu_to_fs16(sb, chunk_size - UFS_DIR_REC_LEN(1));  in ufs_make_empty()
586 	ufs_set_de_namlen(sb, de, 2);  in ufs_make_empty()
587 	strcpy (de->d_name, "..");  in ufs_make_empty()
608 		struct ufs_dir_entry *de;  in ufs_empty_dir()  local
615 		de = (struct ufs_dir_entry *)kaddr;  in ufs_empty_dir()
618 		while ((char *)de <= kaddr) {  in ufs_empty_dir()
619 			if (de->d_reclen == 0) {  in ufs_empty_dir()
622 					"kaddr=%p, de=%p\n", kaddr, de);  in ufs_empty_dir()
625 			if (de->d_ino) {  in ufs_empty_dir()
626 				u16 namelen=ufs_get_de_namlen(sb, de);  in ufs_empty_dir()
628 				if (de->d_name[0] != '.')  in ufs_empty_dir()
634 					    fs32_to_cpu(sb, de->d_ino))  in ufs_empty_dir()
636 				} else if (de->d_name[1] != '.')  in ufs_empty_dir()
639 			de = ufs_next_entry(sb, de);  in ufs_empty_dir()