Re: [Qemu-devel] [PATCH for-2.12] gluster: Fix blockdev-add with server.N.type=unix

[Eric Blake]

On 04/03/2018 06:08 AM, Kevin Wolf wrote:
> The legacy command line interface gets the socket path from an option
> called 'socket'. QAPI in contract uses SocketAddress, where the
> corresponding option is called 'path'.
> 
> Fix the gluster block driver to accept both 'socket' and 'path', with
> 'path' being the preferred syntax.
> 
> https://bugzilla.redhat.com/show_bug.cgi?id=1545155
> 
> Cc: address@hidden
> Signed-off-by: Kevin Wolf <address@hidden>
> ---
>  block/gluster.c | 21 +++++++++++++++++----
>  1 file changed, 17 insertions(+), 4 deletions(-)

Reviewed-by: Eric Blake <address@hidden>

Should we also add a deprecation warning for 'socket' and update the
deprecation documentation, so we can start the clock ticking on getting
rid of maintaining the back-compat glue forever?

> @@ -615,10 +620,18 @@ static int 
> qemu_gluster_parse_json(BlockdevOptionsGluster *gconf,
>                  goto out;
>              }
>  
> -            ptr = qemu_opt_get(opts, GLUSTER_OPT_SOCKET);
> +            ptr = qemu_opt_get(opts, GLUSTER_OPT_PATH);
> +            if (!ptr) {
> +                ptr = qemu_opt_get(opts, GLUSTER_OPT_SOCKET);

Here's where we'd warn, if we want to deprecate things.

> +            } else if (qemu_opt_get(opts, GLUSTER_OPT_SOCKET)) {
> +                error_setg(&local_err,
> +                           "Conflicting parameters 'path' and 'socket'");
> +                error_append_hint(&local_err, GERR_INDEX_HINT, i);
> +                goto out;
> +            }
>              if (!ptr) {

-- 
Eric Blake, Principal Software Engineer
Red Hat, Inc.           +1-919-301-3266
Virtualization:  qemu.org | libvirt.org

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