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
>
> [...]
> .
>
next prev parent 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
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=562DD583.30707@cn.fujitsu.com \
--to=wency@cn.fujitsu.com \
--cc=arei.gonglei@huawei.com \
--cc=armbru@redhat.com \
--cc=dgilbert@redhat.com \
--cc=eddie.dong@intel.com \
--cc=kwolf@redhat.com \
--cc=mreitz@redhat.com \
--cc=qemu-block@nongnu.org \
--cc=qemu-devel@nongnu.org \
--cc=stefanha@redhat.com \
--cc=yanghy@cn.fujitsu.com \
--cc=yunhong.jiang@intel.com \
--cc=zhang.zhanghailiang@huawei.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).