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From: Wen Congyang <wency@cn.fujitsu.com>
To: Markus Armbruster <armbru@redhat.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>, Max Reitz <mreitz@redhat.com>,
	Gonglei <arei.gonglei@huawei.com>,
	Stefan Hajnoczi <stefanha@redhat.com>,
	Yang Hongyang <yanghy@cn.fujitsu.com>,
	"Dr. David Alan Gilbert" <dgilbert@redhat.com>
Subject: Re: [Qemu-devel] [Qemu-block] Dynamic reconfiguration
Date: Mon, 26 Oct 2015 15:25:55 +0800	[thread overview]
Message-ID: <562DD583.30707@cn.fujitsu.com> (raw)
In-Reply-To: <87wpua2itl.fsf@blackfin.pond.sub.org>

On 10/26/2015 03:24 PM, Markus Armbruster wrote:
> Wen Congyang <wency@cn.fujitsu.com> writes:
> 
>> On 10/21/2015 04:27 PM, Markus Armbruster wrote:
> [...]
>>> Can we phrase the operation differently?  Instead of "insert between A
>>> and B (silently replacing everything that is now between A and B)",
>>> say one of
>>>
>>> 1a. Replace node A by A <- blkdebug
>>>
>>> 1b. Replace node B by blkdebug <- B
>>>
>>> 2a. Replace edge A <- B by <- blkdebug <-
>>>     Impossible in the current state, because there is no such edge.
>>
>> What does 'edge' mean?
> 
> It's graph terminology: the BB and BDS serve as the graph's nodes
> (a.k.a. vertices), and the pointers connecting them serve as the graph's
> edges.

Thanks

Wen Congyang

> 
> [...]
> .
> 

  reply	other threads:[~2015-10-26  7:27 UTC|newest]

Thread overview: 45+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-09-22  7:44 [Qemu-devel] [PATCH v5 0/4] qapi: child add/delete support Wen Congyang
2015-09-22  7:44 ` [Qemu-devel] [PATCH v5 1/4] Add new block driver interface to add/delete a BDS's child Wen Congyang
2015-10-07 13:35   ` Alberto Garcia
2015-10-08  2:05     ` Wen Congyang
2015-10-07 18:33   ` [Qemu-devel] [Qemu-block] " Max Reitz
2015-10-08  2:06     ` Wen Congyang
2015-10-07 19:00   ` [Qemu-devel] " Dr. David Alan Gilbert
2015-10-08  2:03     ` Wen Congyang
2015-10-08 18:44       ` Dr. David Alan Gilbert
2015-09-22  7:44 ` [Qemu-devel] [PATCH v5 2/4] quorum: implement bdrv_add_child() and bdrv_del_child() Wen Congyang
2015-10-07 14:12   ` Alberto Garcia
2015-10-08  2:10     ` Wen Congyang
2015-10-07 18:51   ` [Qemu-devel] [Qemu-block] " Max Reitz
2015-10-08  8:12     ` Alberto Garcia
2015-10-09 15:51       ` Max Reitz
2015-10-12 11:56         ` Alberto Garcia
2015-09-22  7:44 ` [Qemu-devel] [PATCH v5 3/4] qmp: add monitor command to add/remove a child Wen Congyang
2015-10-07 14:33   ` Alberto Garcia
2015-10-07 19:42   ` [Qemu-devel] [Qemu-block] " Max Reitz
2015-10-08  6:15     ` Markus Armbruster
2015-10-08  8:29       ` Alberto Garcia
2015-10-08 10:03         ` Kevin Wolf
2015-10-08 10:13           ` Alberto Garcia
2015-10-09 16:14         ` Max Reitz
2015-10-08 11:02       ` [Qemu-devel] Dynamic reconfiguration (was: qmp: add monitor command to add/remove a child) Kevin Wolf
2015-10-08 11:10         ` [Qemu-devel] [Qemu-block] " Kevin Wolf
2015-10-21  8:27           ` [Qemu-devel] [Qemu-block] Dynamic reconfiguration Markus Armbruster
2015-10-26  2:04             ` Wen Congyang
2015-10-26  7:24               ` Markus Armbruster
2015-10-26  7:25                 ` Wen Congyang [this message]
2015-10-09 16:13       ` [Qemu-devel] [Qemu-block] [PATCH v5 3/4] qmp: add monitor command to add/remove a child Max Reitz
2015-10-09 16:42         ` Dr. David Alan Gilbert
2015-10-09 18:24           ` Max Reitz
2015-10-12  8:07             ` Dr. David Alan Gilbert
2015-10-12  8:18             ` Kevin Wolf
2015-10-12  7:58           ` Markus Armbruster
2015-10-12  7:56         ` Markus Armbruster
2015-10-12 16:27     ` Max Reitz
2015-09-22  7:44 ` [Qemu-devel] [PATCH v5 4/4] hmp: " Wen Congyang
2015-10-07 14:38   ` Alberto Garcia
2015-09-22 11:15 ` [Qemu-devel] [PATCH v5 0/4] qapi: child add/delete support Dr. David Alan Gilbert
2015-09-23  1:08   ` Wen Congyang
2015-09-23  9:21     ` Dr. David Alan Gilbert
2015-09-23  9:30       ` Wen Congyang
2015-10-07  6:40 ` Wen Congyang

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