Re: [Qemu-block] [Qemu-devel] [PATCH 16/18] nbd: Support NBD_CMD_CLOSE

[Alex Bligh]

On 10 Apr 2016, at 00:12, Eric Blake <address@hidden> wrote:

> Qemu clients _already_ do the safe actions of waiting for all inflight
> requests to complete, then sending one final NBD_CMD_FLUSH, before
> attempting to send NBD_CMD_DISC.  If I knew how to make qemu guarantee
> that the NBD_CMD_DISC hits the wire (even in TLS mode) rather than being
> dropped early, that seems nicer than having to implement this (although
> I did learn a bit about qemu coroutines in implementing this).

Thanks. As discussed elsewhere, I think it's gnutls_bye() but I'm
more familiar with openssl and would be concerned that gnutls_bye()
might block.

--
Alex Bligh

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