On 31.05.23 20:54, Eric Blake wrote:
On Wed, May 31, 2023 at 08:39:53PM +0300, Vladimir Sementsov-Ogievskiy wrote:
On 15.05.23 22:53, Eric Blake wrote:
All the pieces are in place for a client to finally request extended
headers. Note that we must not request extended headers when qemu-nbd
why must not? It should gracefully report ENOTSUP? Or not?
The kernel code does not yet know how to send extended requests; once
extended mode is negotiated, sending a simple request requires the
but how it could be negotiated if kernel doesn't support it?
I mean if we request extended headers during negotiation with kernel, the kernel will
just say "unsupported option", isn't it?
Or, in other words, I understand that kernel doesn't support it, I don't
understand why you note it here. Is kernel different from other NBD server
implementations which doesn't support extended requests at the moment?
--
Best regards,
Vladimir
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