int handle_seek_call(unsigned long ioctl_arg)
{
struct seek_args_t seek_args;
int fd;
int offset;
if (0 != copy_from_user(&seek_args, (struct seek_args_t *)ioctl_arg,
sizeof(struct seek_args_t)))
{
printk("Error copying creat args from user\n");
return -1;
}
fd = seek_args.fd;
offset = seek_args.offset;
#ifdef DEBUG
printk("Received seek call with args %i, %i\n", fd, offset);
#endif
// UNCOMMENT TO PASS TO RAMDISK
//
seek_args.ret_val = rd_seek(fd, offset);
if (0 != copy_to_user((void*) ioctl_arg, (void*) &seek_args, sizeof(struct seek_args_t)))
{
printk("Error copying seek return value to user level\n");
return -1;
}
return 1;
}
int main() {
char a = 'a';
rd_read(3, &a, 12);
rd_close(10);
rd_write(5, &a, 10);
rd_seek(6, 14);
rd_readdir(12, &a);
}
