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From: "Pavel Dovgalyuk" <dovgaluk@ispras.ru>
To: 'Kevin Wolf' <kwolf@redhat.com>,
	'Pavel Dovgalyuk' <pavel.dovgaluk@ispras.ru>
Cc: qemu-devel@nongnu.org, pbonzini@redhat.com,
	qemu-block@nongnu.org, mreitz@redhat.com
Subject: Re: [Qemu-devel] [PATCH 1/3] block: implement bdrv_snapshot_goto for blkreplay
Date: Mon, 27 Feb 2017 15:07:35 +0300	[thread overview]
Message-ID: <002701d290f2$1541b9c0$3fc52d40$@ru> (raw)
In-Reply-To: <20170222100543.GC4112@noname.str.redhat.com>

> From: Kevin Wolf [mailto:kwolf@redhat.com]
> Am 31.01.2017 um 12:57 hat Pavel Dovgalyuk geschrieben:
> > This patch enables making snapshots with blkreplay used in
> > block devices.
> >
> > Signed-off-by: Pavel Dovgalyuk <pavel.dovgaluk@ispras.ru>
> 
> Specifically, I think it avoids the blkreplay_open/close sequence. Is
> this what is needed to make it work?

Then I'll need to implement bdrv_open, because there is only bdrv_file_open
for blkreplay now.

Which way is better?

> We should probably mention in the commit message the exact reason why
> implementing .bdrv_snapshot_goto, but not the other snapshot related
> callbacks, fixes things. If you confirm my assumption, I can add that
> while applying.

Pavel Dovgalyuk

  reply	other threads:[~2017-02-27 12:07 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-01-31 11:57 [Qemu-devel] [PATCH 0/3] block devices record/replay update Pavel Dovgalyuk
2017-01-31 11:57 ` [Qemu-devel] [PATCH 1/3] block: implement bdrv_snapshot_goto for blkreplay Pavel Dovgalyuk
2017-02-22 10:05   ` Kevin Wolf
2017-02-27 12:07     ` Pavel Dovgalyuk [this message]
2017-02-27 17:35       ` Kevin Wolf
2017-01-31 11:57 ` [Qemu-devel] [PATCH 2/3] blkreplay: create temporary overlay for underlaying devices Pavel Dovgalyuk
2017-02-22 10:24   ` Kevin Wolf
2017-01-31 11:57 ` [Qemu-devel] [PATCH 3/3] replay: disable default snapshot for record/replay Pavel Dovgalyuk
2017-02-22 10:28   ` Kevin Wolf
2017-02-13  5:04 ` [Qemu-devel] [PATCH 0/3] block devices record/replay update Pavel Dovgalyuk
2017-02-20  5:36   ` Pavel Dovgalyuk

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