214 nilfs_match(int len, const unsigned char *name, struct nilfs_dir_entry *de)  in nilfs_match()  argument
216 	if (len != de->name_len)  in nilfs_match()
218 	if (!de->inode)  in nilfs_match()
220 	return !memcmp(name, de->name, len);  in nilfs_match()
256 static void nilfs_set_de_type(struct nilfs_dir_entry *de, struct inode *inode)  in nilfs_set_de_type()  argument
260 	de->file_type = nilfs_type_by_mode[(mode & S_IFMT)>>S_SHIFT];  in nilfs_set_de_type()
277 		struct nilfs_dir_entry *de;  in nilfs_readdir()  local
286 		de = (struct nilfs_dir_entry *)(kaddr + offset);  in nilfs_readdir()
289 		for ( ; (char *)de <= limit; de = nilfs_next_entry(de)) {  in nilfs_readdir()
290 			if (de->rec_len == 0) {  in nilfs_readdir()
295 			if (de->inode) {  in nilfs_readdir()
298 				if (de->file_type < NILFS_FT_MAX)  in nilfs_readdir()
299 					t = nilfs_filetype_table[de->file_type];  in nilfs_readdir()
303 				if (!dir_emit(ctx, de->name, de->name_len,  in nilfs_readdir()
304 						le64_to_cpu(de->inode), t)) {  in nilfs_readdir()
309 			ctx->pos += nilfs_rec_len_from_disk(de->rec_len);  in nilfs_readdir()
335 	struct nilfs_dir_entry *de;  in nilfs_find_entry()  local
353 			de = (struct nilfs_dir_entry *)kaddr;  in nilfs_find_entry()
355 			while ((char *) de <= kaddr) {  in nilfs_find_entry()
356 				if (de->rec_len == 0) {  in nilfs_find_entry()
362 				if (nilfs_match(namelen, name, de))  in nilfs_find_entry()
364 				de = nilfs_next_entry(de);  in nilfs_find_entry()
385 	return de;  in nilfs_find_entry()
391 	struct nilfs_dir_entry *de = NULL;  in nilfs_dotdot()  local
394 		de = nilfs_next_entry(  in nilfs_dotdot()
398 	return de;  in nilfs_dotdot()
404 	struct nilfs_dir_entry *de;  in nilfs_inode_by_name()  local
407 	de = nilfs_find_entry(dir, qstr, &page);  in nilfs_inode_by_name()
408 	if (de) {  in nilfs_inode_by_name()
409 		res = le64_to_cpu(de->inode);  in nilfs_inode_by_name()
417 void nilfs_set_link(struct inode *dir, struct nilfs_dir_entry *de,  in nilfs_set_link()  argument
420 	unsigned int from = (char *)de - (char *)page_address(page);  in nilfs_set_link()
421 	unsigned int to = from + nilfs_rec_len_from_disk(de->rec_len);  in nilfs_set_link()
428 	de->inode = cpu_to_le64(inode->i_ino);  in nilfs_set_link()
429 	nilfs_set_de_type(de, inode);  in nilfs_set_link()
447 	struct nilfs_dir_entry *de;  in nilfs_add_link()  local
469 		de = (struct nilfs_dir_entry *)kaddr;  in nilfs_add_link()
471 		while ((char *)de <= kaddr) {  in nilfs_add_link()
472 			if ((char *)de == dir_end) {  in nilfs_add_link()
476 				de->rec_len = nilfs_rec_len_to_disk(chunk_size);  in nilfs_add_link()
477 				de->inode = 0;  in nilfs_add_link()
480 			if (de->rec_len == 0) {  in nilfs_add_link()
487 			if (nilfs_match(namelen, name, de))  in nilfs_add_link()
489 			name_len = NILFS_DIR_REC_LEN(de->name_len);  in nilfs_add_link()
490 			rec_len = nilfs_rec_len_from_disk(de->rec_len);  in nilfs_add_link()
491 			if (!de->inode && rec_len >= reclen)  in nilfs_add_link()
495 			de = (struct nilfs_dir_entry *)((char *)de + rec_len);  in nilfs_add_link()
504 	from = (char *)de - (char *)page_address(page);  in nilfs_add_link()
509 	if (de->inode) {  in nilfs_add_link()
512 		de1 = (struct nilfs_dir_entry *)((char *)de + name_len);  in nilfs_add_link()
514 		de->rec_len = nilfs_rec_len_to_disk(name_len);  in nilfs_add_link()
515 		de = de1;  in nilfs_add_link()
517 	de->name_len = namelen;  in nilfs_add_link()
518 	memcpy(de->name, name, namelen);  in nilfs_add_link()
519 	de->inode = cpu_to_le64(inode->i_ino);  in nilfs_add_link()
520 	nilfs_set_de_type(de, inode);  in nilfs_add_link()
544 	struct nilfs_dir_entry *de, *pde = NULL;  in nilfs_delete_entry()  local
549 	de = (struct nilfs_dir_entry *)(kaddr + from);  in nilfs_delete_entry()
551 	while ((char *)de < (char *)dir) {  in nilfs_delete_entry()
552 		if (de->rec_len == 0) {  in nilfs_delete_entry()
558 		pde = de;  in nilfs_delete_entry()
559 		de = nilfs_next_entry(de);  in nilfs_delete_entry()
584 	struct nilfs_dir_entry *de;  in nilfs_make_empty()  local
598 	de = (struct nilfs_dir_entry *)kaddr;  in nilfs_make_empty()
599 	de->name_len = 1;  in nilfs_make_empty()
600 	de->rec_len = nilfs_rec_len_to_disk(NILFS_DIR_REC_LEN(1));  in nilfs_make_empty()
601 	memcpy(de->name, ".\0\0", 4);  in nilfs_make_empty()
602 	de->inode = cpu_to_le64(inode->i_ino);  in nilfs_make_empty()
603 	nilfs_set_de_type(de, inode);  in nilfs_make_empty()
605 	de = (struct nilfs_dir_entry *)(kaddr + NILFS_DIR_REC_LEN(1));  in nilfs_make_empty()
606 	de->name_len = 2;  in nilfs_make_empty()
607 	de->rec_len = nilfs_rec_len_to_disk(chunk_size - NILFS_DIR_REC_LEN(1));  in nilfs_make_empty()
608 	de->inode = cpu_to_le64(parent->i_ino);  in nilfs_make_empty()
609 	memcpy(de->name, "..\0", 4);  in nilfs_make_empty()
610 	nilfs_set_de_type(de, inode);  in nilfs_make_empty()
628 		struct nilfs_dir_entry *de;  in nilfs_empty_dir()  local
635 		de = (struct nilfs_dir_entry *)kaddr;  in nilfs_empty_dir()
638 		while ((char *)de <= kaddr) {  in nilfs_empty_dir()
639 			if (de->rec_len == 0) {  in nilfs_empty_dir()
642 					    kaddr, de);  in nilfs_empty_dir()
645 			if (de->inode != 0) {  in nilfs_empty_dir()
647 				if (de->name[0] != '.')  in nilfs_empty_dir()
649 				if (de->name_len > 2)  in nilfs_empty_dir()
651 				if (de->name_len < 2) {  in nilfs_empty_dir()
652 					if (de->inode !=  in nilfs_empty_dir()
655 				} else if (de->name[1] != '.')  in nilfs_empty_dir()
658 			de = nilfs_next_entry(de);  in nilfs_empty_dir()