static int __init do_mount_root(char *name, char *fs, int flags, void *data)
{
struct super_block *s;
int err = ksys_mount(name, "/root", fs, flags, data);
if (err)
return err;
ksys_chdir("/root");
s = current->fs->pwd.dentry->d_sb;
ROOT_DEV = s->s_dev;
printk(KERN_INFO
"VFS: Mounted root (%s filesystem)%s on device %u:%u.\n",
s->s_type->name,
sb_rdonly(s) ? " readonly" : "",
MAJOR(ROOT_DEV), MINOR(ROOT_DEV));
return 0;
}
SYSCALL_DEFINE1(chdir, const char __user *, filename)
{
return ksys_chdir(filename);
}
