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From: Markus Armbruster <armbru@redhat.com>
To: "Daniel P. Berrangé" <berrange@redhat.com>
Cc: Kevin Wolf <kwolf@redhat.com>, Peter Krempa <pkrempa@redhat.com>,
	"Denis V. Lunev" <den@virtuozzo.com>,
	qemu-block@nongnu.org, Juan Quintela <quintela@redhat.com>,
	qemu-devel@nongnu.org,
	"Dr. David Alan Gilbert" <dgilbert@redhat.com>,
	Pavel Dovgalyuk <pavel.dovgaluk@ispras.ru>,
	Paolo Bonzini <pbonzini@redhat.com>,
	Max Reitz <mreitz@redhat.com>, John Snow <jsnow@redhat.com>
Subject: Re: [PATCH v2 (BROKEN) 0/6] migration: bring improved savevm/loadvm/delvm to QMP
Date: Thu, 27 Aug 2020 13:06:14 +0200	[thread overview]
Message-ID: <87zh6gmjq1.fsf@dusky.pond.sub.org> (raw)
In-Reply-To: <20200826183425.GA191632@redhat.com> ("Daniel P. =?utf-8?Q?Be?= =?utf-8?Q?rrang=C3=A9=22's?= message of "Wed, 26 Aug 2020 19:34:25 +0100")

Daniel P. Berrangé <berrange@redhat.com> writes:

> On Wed, Aug 26, 2020 at 07:28:24PM +0100, Daniel P. Berrangé wrote:
>> On Wed, Aug 26, 2020 at 05:52:06PM +0200, Markus Armbruster wrote:
>> > Open questions:
>> > 
>> > * Do we want the QMP command to delete existing snapshots with
>> >   conflicting tag / ID, like HMP savevm does?  Or do we want it to fail
>> >   the transaction?
>> 
>> The intent is for the QMP commands to operate exclusively on
>> 'tags', and never consider "ID".
>
> I forgot that even HMP ignores "ID" now and works exclusively in terms
> of tags since:
>
>
>   commit 6ca080453ea403959ccde661030ca16264acc181
>   Author: Daniel Henrique Barboza <danielhb413@gmail.com>
>   Date:   Wed Nov 7 11:09:58 2018 -0200
>
>     block/snapshot.c: eliminate use of ID input in snapshot operations

Almost a year after I sent the memo I quoted.  It's an incompatible
change, but nobody complained, and I'm glad we got this issue out of the
way.



  reply	other threads:[~2020-08-27 11:11 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-27 15:08 [PATCH v2 (BROKEN) 0/6] migration: bring improved savevm/loadvm/delvm to QMP Daniel P. Berrangé
2020-07-27 15:08 ` [PATCH v2 1/6] migration: improve error reporting of block driver state name Daniel P. Berrangé
2020-08-12 10:19   ` Dr. David Alan Gilbert
2020-07-27 15:08 ` [PATCH v2 2/6] block: push error reporting into bdrv_all_*_snapshot functions Daniel P. Berrangé
2020-07-27 15:08 ` [PATCH v2 3/6] migration: stop returning errno from load_snapshot() Daniel P. Berrangé
2020-08-12 10:21   ` Dr. David Alan Gilbert
2020-07-27 15:08 ` [PATCH v2 4/6] block: add ability to specify list of blockdevs during snapshot Daniel P. Berrangé
2020-07-27 15:08 ` [PATCH v2 5/6] block: allow specifying name of block device for vmstate storage Daniel P. Berrangé
2020-07-27 15:08 ` [PATCH v2 6/6] migration: introduce snapshot-{save, load, delete} QMP commands Daniel P. Berrangé
2020-08-21 16:27 ` [PATCH v2 (BROKEN) 0/6] migration: bring improved savevm/loadvm/delvm to QMP Daniel P. Berrangé
2020-08-26 15:52 ` Markus Armbruster
2020-08-26 18:28   ` Daniel P. Berrangé
2020-08-26 18:34     ` Daniel P. Berrangé
2020-08-27 11:06       ` Markus Armbruster [this message]
2020-08-27 13:13         ` Kevin Wolf
2020-08-28  6:20           ` Markus Armbruster
2020-08-28  8:46             ` Kevin Wolf
2020-08-31  7:19               ` Markus Armbruster
2020-08-27 11:04     ` Markus Armbruster
2020-08-27 11:34       ` Daniel P. Berrangé
2020-09-01 13:22         ` Markus Armbruster
2020-09-01 13:41           ` Daniel P. Berrangé
2020-09-01 13:58           ` Kevin Wolf

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