Re: circular pivot_root, is this possible ?

[Pascal Schmidt]

On Tue, 02 Mar 2004 03:40:09 +0100, you wrote in linux.kernel:

> Say the system needs an upgrade.... I want to
>
> 1) pivot_root _back out_ of the tmpfs, onto the initrd again
> 2) obtain via network a new sys.img, write it to the flash
> 3) wipe tmpfs, and recopy the contents of the new sys.img into memory
> 4) pivot_root back into the tmpfs and start the higher level system
> again

How about using a second, small tmpfs for / under/over which the tmpfs
for the full system can be mounted and umounted at will?

-- 
Ciao,
Pascal
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