From: Eric Blake <eblake@redhat.com>
To: Markus Armbruster <armbru@redhat.com>,
Wen Congyang <wency@cn.fujitsu.com>
Cc: Kevin Wolf <kwolf@redhat.com>,
zhanghailiang <zhang.zhanghailiang@huawei.com>,
qemu block <qemu-block@nongnu.org>,
Jiang Yunhong <yunhong.jiang@intel.com>,
Dong Eddie <eddie.dong@intel.com>,
qemu devel <qemu-devel@nongnu.org>,
"Dr. David Alan Gilbert" <dgilbert@redhat.com>,
Gonglei <arei.gonglei@huawei.com>,
Stefan Hajnoczi <stefanha@redhat.com>,
Yang Hongyang <yanghy@cn.fujitsu.com>
Subject: Re: [Qemu-devel] [Qemu-block] [PATCH v3 1/5] support nbd driver in blockdev-add
Date: Wed, 16 Sep 2015 08:53:10 -0600 [thread overview]
Message-ID: <55F98256.8080304@redhat.com> (raw)
In-Reply-To: <87bnd2y5mn.fsf@blackfin.pond.sub.org>
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On 09/16/2015 05:18 AM, Markus Armbruster wrote:
>>>>>>> Perhaps it could be as simple as
>>>>>>>
>>>>>>> { 'struct': 'BlockdevOptionsNBD',
>>>>>>> 'data': { 'addr: 'SocketAddress', 'export': 'str' } }
>>>>>>
>>>>>> The problem is that: NBD doesn't use the fd.
>>>>>
>>>>> Is that fundamental, or just a matter of implementation?
>>>
>>> Question still open.
>
> Question still open.
Dan's patches didn't address it...
> Long term, I'd like to see us get rid of the conversions between
> QAPI-generated types and QDict / QemuOpts.
>
> Short term, you need to co-evolve the QDict-based code such as
> nbd_config() with the QAPI interfaces.
...but DO affect the short-term, by starting the conversion over to
using the QAPI type more fully:
https://lists.gnu.org/archive/html/qemu-devel/2015-09/msg04383.html
>
> Keeping the QAPI interface clean is more important than minimizing the
> implementation work, because we're free to mess with the implementation,
> but releasing a QAPI interface makes it ABI, so we better get it right.
Especially once the QAPI interface is actually used by a QMP command
(there are places where we are using qapi internally for ease in command
line handling, but not exposing the structures through QMP yet).
--
Eric Blake eblake redhat com +1-919-301-3266
Libvirt virtualization library http://libvirt.org
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next prev parent reply other threads:[~2015-09-16 14:53 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-09-10 9:55 [Qemu-devel] [PATCH v3 0/5] qapi: child add/delete support Wen Congyang
2015-09-10 9:55 ` [Qemu-devel] [PATCH v3 1/5] support nbd driver in blockdev-add Wen Congyang
2015-09-14 14:27 ` Markus Armbruster
2015-09-14 15:47 ` Eric Blake
2015-09-15 1:39 ` Wen Congyang
2015-09-15 7:37 ` Markus Armbruster
2015-09-15 8:01 ` Wen Congyang
2015-09-15 11:12 ` Markus Armbruster
2015-09-16 5:59 ` Wen Congyang
2015-09-16 8:21 ` Markus Armbruster
2015-09-16 8:24 ` Wen Congyang
2015-09-16 11:18 ` Markus Armbruster
2015-09-16 14:53 ` Eric Blake [this message]
2015-09-17 1:06 ` [Qemu-devel] [Qemu-block] " Wen Congyang
2015-09-17 1:04 ` [Qemu-devel] " Wen Congyang
2015-09-17 5:01 ` Markus Armbruster
2015-09-15 13:03 ` Eric Blake
2015-09-15 13:26 ` Kevin Wolf
2015-09-15 2:20 ` Wen Congyang
2015-09-15 2:27 ` Wen Congyang
2015-09-15 3:46 ` Eric Blake
2015-09-15 3:58 ` Wen Congyang
2015-09-15 13:11 ` Eric Blake
2015-09-16 7:11 ` Wen Congyang
2015-09-16 14:55 ` Eric Blake
2015-09-10 9:55 ` [Qemu-devel] [PATCH v3 2/5] Add new block driver interface to add/delete a BDS's child Wen Congyang
2015-09-10 9:55 ` [Qemu-devel] [PATCH v3 3/5] quorum: implement bdrv_add_child() and bdrv_del_child() Wen Congyang
2015-09-10 9:55 ` [Qemu-devel] [PATCH v3 4/5] qmp: add monitor command to add/remove a child Wen Congyang
2015-09-10 10:04 ` Daniel P. Berrange
2015-09-10 10:34 ` Wen Congyang
2015-09-14 14:36 ` Markus Armbruster
2015-09-14 15:34 ` Kevin Wolf
2015-09-14 16:09 ` Markus Armbruster
2015-09-15 2:40 ` Wen Congyang
2015-09-15 7:49 ` Markus Armbruster
2015-09-15 7:57 ` Wen Congyang
2015-09-16 6:31 ` Wen Congyang
2015-09-16 8:29 ` Markus Armbruster
2015-09-14 15:37 ` Kevin Wolf
2015-09-15 2:33 ` Wen Congyang
2015-09-15 8:56 ` Alberto Garcia
2015-09-15 9:20 ` Kevin Wolf
2015-09-15 9:26 ` [Qemu-devel] [Qemu-block] " Kevin Wolf
2015-09-10 9:55 ` [Qemu-devel] [PATCH v3 5/5] hmp: " Wen Congyang
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