//创建文件
public File(String name, Directory parent)
{
this.name = name;
this.parent = parent;
//寻找空闲的inode
for (int i = 0; i < Config.GROUPS; i++ )
{
if (VFS.BLOCK_GROUPS[i].hasFreeINode())
{
this.inode = VFS.BLOCK_GROUPS[i].getFreeInode();
break;
}
}
updateCTime();
}
public BlockGroup(int block_group_index)
{
this.block_group_index = block_group_index;
this.super_block = new SuperBlock();
this.g_free_blocks_count = Config.BLOCKS_PER_GROUP;
this.g_free_inodes_count = Config.INODES_PER_GROUP;
this.block_index = new bool[Config.BLOCKS_PER_GROUP];
this.inode_index = new bool[Config.INODES_PER_GROUP];
this.blocks = new Block[Config.BLOCKS_PER_GROUP];
this.inodes = new INode[Config.INODES_PER_GROUP];
for (int i = 0; i < Config.BLOCKS_PER_GROUP; i++)
blocks[i] = new Block(this.block_group_index, i);
for (int i = 0; i < Config.INODES_PER_GROUP; i++)
inodes[i] = new INode(this.block_group_index, i);
}