Re: Simplified protocol?
On Wed, Nov 28, 2018 at 10:00:52PM +0100, Wouter Verhelst wrote:
> On Tue, Nov 27, 2018 at 08:00:57AM +0000, Richard W.M. Jones wrote:
> [...]
> > The kernel doesn't even find the partition in the GPT case, and nor
> > does ‘gdisk -l /dev/nbd0’.
> >
> > In both cases, this is fixed by using the ‘nbd-client -b 512’ option.
> >
> > It's also reproducible by using OS images, so it's nothing to do with
> > bugs in nbdkit's partitioning plugin.
>
> So, investigating this a bit further (I am 100% certain this used to
> work, I used it at some point in the past with nbd-server and an image
> of something), I found this:
>
> commit e544541b0765c341174613b416d4b074fa7571c2
wouter@gangtai:/usr/src/linux/$ git describe e544541b0765c341174613b416d4b074fa7571c2
v4.10-1406-ge544541b0765
[...]
> I suspect that before this commit, the kernel completely ignored the
> passed block size and just used 512 or something equally sane.
https://github.com/NetworkBlockDevice/nbd/issues/87#issuecomment-434757833
Suggests that it did work in 4.9, but not in something more recent.
I think that confirms it.
--
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