Function Ext2AddDotEntries

Ext4Fsd/create.c:638–684

}

NTSTATUS Ext2AddDotEntries(struct ext2_icb *icb, struct inode *dir,
                           struct inode *inode)
{
    struct ext3_dir_entry_2 * de;
    struct buffer_head * bh;
    struct ext4_dir_entry_tail *t;
    ext3_lblk_t block = 0;
    unsigned int blocksize = dir->i_sb->s_blocksize;
    int csum_size = 0;
    int rc = 0;

    if (ext4_has_metadata_csum(dir->i_sb))
        csum_size = sizeof(struct ext4_dir_entry_tail);

    bh = ext3_append(icb, inode, &block, &rc);
    if (!bh) {
        goto errorout;
    }

    de = (struct ext3_dir_entry_2 *) bh->b_data;
    de->inode = cpu_to_le32(inode->i_ino);
    de->name_len = 1;
    de->rec_len = cpu_to_le16(EXT3_DIR_REC_LEN(de->name_len));
    strcpy (de->name, ".");
    ext3_set_de_type(inode->i_sb, de, S_IFDIR);
    de = (struct ext3_dir_entry_2 *)
         ((char *) de + le16_to_cpu(de->rec_len));
    de->inode = cpu_to_le32(dir->i_ino);
    de->rec_len = cpu_to_le16(inode->i_sb->s_blocksize-EXT3_DIR_REC_LEN(1)-csum_size);
    de->name_len = 2;
    strcpy (de->name, "..");
    ext3_set_de_type(inode->i_sb, de, S_IFDIR);
    inode->i_nlink = 2;
    if (csum_size) {
        t = EXT4_DIRENT_TAIL(bh->b_data, blocksize);
        initialize_dirent_tail(t, blocksize);
    }
    ext4_dirent_csum_set(inode, (struct ext4_dir_entry *)bh->b_data);
    set_buffer_dirty(bh);
    ext3_mark_inode_dirty(icb, inode);

errorout:
    if (bh)
        __brelse (bh);

    return Ext2WinntError(rc);
}

//
// Any call to this routine must have Fcb's MainResource and FcbLock acquired.