On Mon, Sep 11, 2023 at 01:11:46PM +0100, Richard W.M. Jones wrote:
> On Mon, Sep 11, 2023 at 07:08:48AM -0500, Eric Blake wrote:
> > On Sat, Sep 09, 2023 at 02:57:48PM +0100, Richard W.M. Jones wrote:
> > > Should have done this a long time ago.  I feel it is about time we
> > > change the default of nbdkit --run to imply -U -, rather than opening
> > > a public port.
> > > 
> > > Patch series turned out to be a little bit more complicated than I
> > > anticipated, but it contains some nice clean ups.
> > 
> > Indeed, just from the summary it sounds like a good idea.  nbdkit can
> > take advantage of it immediately, but libnbd will need to continue to
> > explicitly use -U - for a while longer (as long as older nbdkit tends
> > to be the version still installed on various CI platforms).
> 
> Although it might not be useful for libnbd, we could also had a
> --dump-config sentinel, something like:
> 
>   $ nbdkit --dump-config
>   ...
>   run_default_socket=Unix
> 
> (and add run_default_socket=TCP to older branches).  If you can think
> of a better name for this ... :-)

That actually sounds good as-is.  I don't know if backporting a patch
to expose run_default_socket=TCP makes a difference (after all, the
absence of run_default_socket= in the config output serves the same
purpose), but I'll leave that up to your call.

-- 
Eric Blake, Principal Software Engineer
Red Hat, Inc.
Virtualization:  qemu.org | libguestfs.org
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