On Fri, May 17, 2013 at 2:06 PM, Nick Thomas <[email protected]> wrote:
>
> I notice that Alex Bligh proposed the addition of NBD_CMD_RESIZE (along
> with some others) to the NBD protocol back in 2011:
>
> http://comments.gmane.org/gmane.linux.drivers.nbd.general/993
>
> I'm assuming this didn't go anywhere, at the time; would there be any
> interest in reviving the idea? I find myself wanting to implement
> block_resize in QEMU for NBD devices.
>
> One option is to stop the NBD server, resize the file, start NBD again,
> then run a peculiar version of block_resize that reconnects, reads the
> new size and advertises that to the guest;
> but NBD_CMD_RESIZE would be considerably simpler.
>
Agreed.
I'd be open to patches, if you have some. Doesn't appear it would take much
in the kernel to get this functioning.
--
Paul
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