d-inode.c

来自「用于汇编领域的,运用于OS的MAIN函数.基于硬件基础的源代码」· C语言 代码 · 共 24 行

#include "fs.h"
//member functions for DInode, DItable class
void DInode_init(struct DInode *in){
   in->num_blk=0; // 0 blocks assigned yet
}
void DInode_alloc_block(struct DInode *in, int blk_no){
// assign a block (whose block number is blk_no) to this inode
   in->blk[in->num_blk]=blk_no;
   in->num_blk = in->num_blk + 1;
}

void DITable_make_inode(int ino, int blkno){
// create new inode with inode num=ino and blk num=blkno
   d_itable.arr[ino].ino=ino;
   d_itable.arr[ino].blk[0]=blkno; // for now only one block for all files
   d_itable.arr[ino].num_blk=1;
}