On 7 Jun 2006, H. Peter Anvin noted:
> Followup to: <[email protected]>
> By author: "Joshua Hudson" <[email protected]>
> In newsgroup: linux.dev.kernel
>>
>> Did anybody ever fix the can't pivot_root() the rootfs filesystem;
>> hense can't use on a loopback system backed by NTFS?
>
> You shouldn't pivot_root the rootfs filesystem.
What happens if you do? I mean, it doesn't make even conceptual sense,
really. The rootfs is always there: that's its entire purpose.
> Use the run-init
> utility or something similar instead (which does a mount with
> MS_MOVE.)
busybox has a switch_root tool which (conceptually) rm -rf's everything
on the root filesystem and then does such a mount. (After all whatever
is on that filesystem is inaccessible after the overmount, so keeping
it around is just a waste of memory.)
--
`Voting for any American political party is fundamentally
incomprehensible.' --- Vadik
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