On Aug 12 2007 21:23, Al Viro wrote:
>>
>> pivot_root is atomic afaict, for `mount --move` (which I think Al meant
>> which MS_MOVE - or some C program using mount(2) of your own), you'd
>> need multiple calls to mount.
>
>Move itself is done by a single syscall anyway...
>
Yes, but you need needed 2 mounts, 1 chdir and one chroot. Plus, you
have not freed the data in the rootfs. (Well, neither does
pivot_root, but run-init from klibc will.)
Jan
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