}
early_param("initrd", early_initrd);
-static int init_linuxrc(struct subprocess_info *info, struct cred *new)
+static int __init init_linuxrc(struct subprocess_info *info, struct cred *new)
{
ksys_unshare(CLONE_FS | CLONE_FILES);
console_on_rootfs();
/* move initrd over / and chdir/chroot in initrd root */
- ksys_chdir("/root");
- do_mount(".", "/", NULL, MS_MOVE, NULL);
- ksys_chroot(".");
+ init_chdir("/root");
+ init_mount(".", "/", NULL, MS_MOVE, NULL);
+ init_chroot(".");
ksys_setsid();
return 0;
}
extern char *envp_init[];
int error;
+ pr_warn("using deprecated initrd support, will be removed in 2021.\n");
+
real_root_dev = new_encode_dev(ROOT_DEV);
create_dev("/dev/root.old", Root_RAM0);
/* mount initrd on rootfs' /root */
mount_block_root("/dev/root.old", root_mountflags & ~MS_RDONLY);
- ksys_mkdir("/old", 0700);
- ksys_chdir("/old");
+ init_mkdir("/old", 0700);
+ init_chdir("/old");
/*
* In case that a resume from disk is carried out by linuxrc or one of
current->flags &= ~PF_FREEZER_SKIP;
/* move initrd to rootfs' /old */
- do_mount("..", ".", NULL, MS_MOVE, NULL);
+ init_mount("..", ".", NULL, MS_MOVE, NULL);
/* switch root and cwd back to / of rootfs */
- ksys_chroot("..");
+ init_chroot("..");
if (new_decode_dev(real_root_dev) == Root_RAM0) {
- ksys_chdir("/old");
+ init_chdir("/old");
return;
}
- ksys_chdir("/");
+ init_chdir("/");
ROOT_DEV = new_decode_dev(real_root_dev);
mount_root();
printk(KERN_NOTICE "Trying to move old root to /initrd ... ");
- error = do_mount("/old", "/root/initrd", NULL, MS_MOVE, NULL);
+ error = init_mount("/old", "/root/initrd", NULL, MS_MOVE, NULL);
if (!error)
printk("okay\n");
else {
- int fd = ksys_open("/dev/root.old", O_RDWR, 0);
if (error == -ENOENT)
printk("/initrd does not exist. Ignored.\n");
else
printk("failed\n");
printk(KERN_NOTICE "Unmounting old root\n");
- ksys_umount("/old", MNT_DETACH);
- printk(KERN_NOTICE "Trying to free ramdisk memory ... ");
- if (fd < 0) {
- error = fd;
- } else {
- error = ksys_ioctl(fd, BLKFLSBUF, 0);
- ksys_close(fd);
- }
- printk(!error ? "okay\n" : "failed\n");
+ init_umount("/old", MNT_DETACH);
}
}
* mounted in the normal path.
*/
if (rd_load_image("/initrd.image") && ROOT_DEV != Root_RAM0) {
- ksys_unlink("/initrd.image");
+ init_unlink("/initrd.image");
handle_initrd();
return true;
}
}
- ksys_unlink("/initrd.image");
+ init_unlink("/initrd.image");
return false;
}