219 nilfs_match(int len, const unsigned char *name, struct nilfs_dir_entry *de)  in nilfs_match()  argument
221 	if (len != de->name_len)  in nilfs_match()
223 	if (!de->inode)  in nilfs_match()
225 	return !memcmp(name, de->name, len);  in nilfs_match()
261 static void nilfs_set_de_type(struct nilfs_dir_entry *de, struct inode *inode)  in nilfs_set_de_type()  argument
265 	de->file_type = nilfs_type_by_mode[(mode & S_IFMT)>>S_SHIFT];  in nilfs_set_de_type()
282 		struct nilfs_dir_entry *de;  in nilfs_readdir()  local
291 		de = (struct nilfs_dir_entry *)(kaddr + offset);  in nilfs_readdir()
294 		for ( ; (char *)de <= limit; de = nilfs_next_entry(de)) {  in nilfs_readdir()
295 			if (de->rec_len == 0) {  in nilfs_readdir()
300 			if (de->inode) {  in nilfs_readdir()
303 				if (de->file_type < NILFS_FT_MAX)  in nilfs_readdir()
304 					t = nilfs_filetype_table[de->file_type];  in nilfs_readdir()
308 				if (!dir_emit(ctx, de->name, de->name_len,  in nilfs_readdir()
309 						le64_to_cpu(de->inode), t)) {  in nilfs_readdir()
314 			ctx->pos += nilfs_rec_len_from_disk(de->rec_len);  in nilfs_readdir()
342 	struct nilfs_dir_entry *de;  in nilfs_find_entry()  local
360 		de = (struct nilfs_dir_entry *)kaddr;  in nilfs_find_entry()
362 		while ((char *)de <= kaddr) {  in nilfs_find_entry()
363 			if (de->rec_len == 0) {  in nilfs_find_entry()
369 			if (nilfs_match(namelen, name, de))  in nilfs_find_entry()
371 			de = nilfs_next_entry(de);  in nilfs_find_entry()
392 	return de;  in nilfs_find_entry()
398 	struct nilfs_dir_entry *de, *next_de;  in nilfs_dotdot()  local
402 	de = nilfs_get_page(dir, 0, &page);  in nilfs_dotdot()
403 	if (IS_ERR(de))  in nilfs_dotdot()
407 	if (unlikely(!limit || le64_to_cpu(de->inode) != dir->i_ino ||  in nilfs_dotdot()
408 		     !nilfs_match(1, ".", de))) {  in nilfs_dotdot()
413 	next_de = nilfs_next_entry(de);  in nilfs_dotdot()
418 	if (unlikely((char *)next_de == (char *)de + nilfs_chunk_size(dir) ||  in nilfs_dotdot()
434 	struct nilfs_dir_entry *de;  in nilfs_inode_by_name()  local
437 	de = nilfs_find_entry(dir, qstr, &page);  in nilfs_inode_by_name()
438 	if (IS_ERR(de))  in nilfs_inode_by_name()
439 		return PTR_ERR(de);  in nilfs_inode_by_name()
441 	*ino = le64_to_cpu(de->inode);  in nilfs_inode_by_name()
447 int nilfs_set_link(struct inode *dir, struct nilfs_dir_entry *de,  in nilfs_set_link()  argument
450 	unsigned int from = (char *)de - (char *)page_address(page);  in nilfs_set_link()
451 	unsigned int to = from + nilfs_rec_len_from_disk(de->rec_len);  in nilfs_set_link()
461 	de->inode = cpu_to_le64(inode->i_ino);  in nilfs_set_link()
462 	nilfs_set_de_type(de, inode);  in nilfs_set_link()
480 	struct nilfs_dir_entry *de;  in nilfs_add_link()  local
501 		de = (struct nilfs_dir_entry *)kaddr;  in nilfs_add_link()
503 		while ((char *)de <= kaddr) {  in nilfs_add_link()
504 			if ((char *)de == dir_end) {  in nilfs_add_link()
508 				de->rec_len = nilfs_rec_len_to_disk(chunk_size);  in nilfs_add_link()
509 				de->inode = 0;  in nilfs_add_link()
512 			if (de->rec_len == 0) {  in nilfs_add_link()
519 			if (nilfs_match(namelen, name, de))  in nilfs_add_link()
521 			name_len = NILFS_DIR_REC_LEN(de->name_len);  in nilfs_add_link()
522 			rec_len = nilfs_rec_len_from_disk(de->rec_len);  in nilfs_add_link()
523 			if (!de->inode && rec_len >= reclen)  in nilfs_add_link()
527 			de = (struct nilfs_dir_entry *)((char *)de + rec_len);  in nilfs_add_link()
536 	from = (char *)de - (char *)page_address(page);  in nilfs_add_link()
541 	if (de->inode) {  in nilfs_add_link()
544 		de1 = (struct nilfs_dir_entry *)((char *)de + name_len);  in nilfs_add_link()
546 		de->rec_len = nilfs_rec_len_to_disk(name_len);  in nilfs_add_link()
547 		de = de1;  in nilfs_add_link()
549 	de->name_len = namelen;  in nilfs_add_link()
550 	memcpy(de->name, name, namelen);  in nilfs_add_link()
551 	de->inode = cpu_to_le64(inode->i_ino);  in nilfs_add_link()
552 	nilfs_set_de_type(de, inode);  in nilfs_add_link()
576 	struct nilfs_dir_entry *de, *pde = NULL;  in nilfs_delete_entry()  local
581 	de = (struct nilfs_dir_entry *)(kaddr + from);  in nilfs_delete_entry()
583 	while ((char *)de < (char *)dir) {  in nilfs_delete_entry()
584 		if (de->rec_len == 0) {  in nilfs_delete_entry()
590 		pde = de;  in nilfs_delete_entry()
591 		de = nilfs_next_entry(de);  in nilfs_delete_entry()
618 	struct nilfs_dir_entry *de;  in nilfs_make_empty()  local
632 	de = (struct nilfs_dir_entry *)kaddr;  in nilfs_make_empty()
633 	de->name_len = 1;  in nilfs_make_empty()
634 	de->rec_len = nilfs_rec_len_to_disk(NILFS_DIR_REC_LEN(1));  in nilfs_make_empty()
635 	memcpy(de->name, ".\0\0", 4);  in nilfs_make_empty()
636 	de->inode = cpu_to_le64(inode->i_ino);  in nilfs_make_empty()
637 	nilfs_set_de_type(de, inode);  in nilfs_make_empty()
639 	de = (struct nilfs_dir_entry *)(kaddr + NILFS_DIR_REC_LEN(1));  in nilfs_make_empty()
640 	de->name_len = 2;  in nilfs_make_empty()
641 	de->rec_len = nilfs_rec_len_to_disk(chunk_size - NILFS_DIR_REC_LEN(1));  in nilfs_make_empty()
642 	de->inode = cpu_to_le64(parent->i_ino);  in nilfs_make_empty()
643 	memcpy(de->name, "..\0", 4);  in nilfs_make_empty()
644 	nilfs_set_de_type(de, inode);  in nilfs_make_empty()
662 		struct nilfs_dir_entry *de;  in nilfs_empty_dir()  local
668 		de = (struct nilfs_dir_entry *)kaddr;  in nilfs_empty_dir()
671 		while ((char *)de <= kaddr) {  in nilfs_empty_dir()
672 			if (de->rec_len == 0) {  in nilfs_empty_dir()
675 					    kaddr, de);  in nilfs_empty_dir()
678 			if (de->inode != 0) {  in nilfs_empty_dir()
680 				if (de->name[0] != '.')  in nilfs_empty_dir()
682 				if (de->name_len > 2)  in nilfs_empty_dir()
684 				if (de->name_len < 2) {  in nilfs_empty_dir()
685 					if (de->inode !=  in nilfs_empty_dir()
688 				} else if (de->name[1] != '.')  in nilfs_empty_dir()
691 			de = nilfs_next_entry(de);  in nilfs_empty_dir()