2 * newdir.c --- create a new directory block
4 * Copyright (C) 1994, 1995 Theodore Ts'o.
7 * This file may be redistributed under the terms of the GNU Public
22 #include <linux/ext2_fs.h>
27 * Create new directory block
29 errcode_t ext2fs_new_dir_block(ext2_filsys fs, ino_t dir_ino, ino_t parent_ino,
33 struct ext2_dir_entry *dir = NULL;
36 EXT2_CHECK_MAGIC(fs, EXT2_ET_MAGIC_EXT2FS_FILSYS);
38 buf = malloc(fs->blocksize);
41 memset(buf, 0, fs->blocksize);
42 dir = (struct ext2_dir_entry *) buf;
43 dir->rec_len = fs->blocksize;
47 * Set up entry for '.'
52 rec_len = dir->rec_len - EXT2_DIR_REC_LEN(dir->name_len);
53 dir->rec_len = EXT2_DIR_REC_LEN(dir->name_len);
56 * Set up entry for '..'
58 dir = (struct ext2_dir_entry *) (buf + dir->rec_len);
59 dir->rec_len = rec_len;
60 dir->inode = parent_ino;