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From: Kevin Wolf <kwolf@redhat.com>
To: Avi Kivity <avi@redhat.com>
Cc: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>,
	"libvir-list@redhat.com" <libvir-list@redhat.com>,
	Jes Sorensen <Jes.Sorensen@redhat.com>,
	QEMU Developers <qemu-devel@nongnu.org>,
	Stefan Hajnoczi <stefanha@gmail.com>,
	Eric Blake <eblake@redhat.com>
Subject: Re: [Qemu-devel] live snapshot wiki updated
Date: Fri, 22 Jul 2011 10:11:10 +0200	[thread overview]
Message-ID: <4E29309E.7070305@redhat.com> (raw)
In-Reply-To: <4E292893.8010005@redhat.com>

Am 22.07.2011 09:36, schrieb Avi Kivity:
> On 07/20/2011 04:51 PM, Kevin Wolf wrote:
>>>
>>>  The problem is that QEMU will find backing file file names inside the
>>>  images which it will be unable to open. How do you suggest we get around
>>>  that?
>>
>> This is the part with allowing libvirt to override the backing file. Of
>> course, this is not something that we can add with five lines of code,
>> it requires -blockdev.
> 
> It can be done without blockdev.  Have a dictionary that translates 
> filenames, and populate it from the command line (for a bonus, translate 
> a filename to a file descriptor inherited from the caller or passed via 
> the monitor).

Sure, you can always add ugly hacks, but it isn't the right solution
that we want to use for all times. However, once we use it, it will show
up in the external API and we'll never get rid of it again.

Kevin

  reply	other threads:[~2011-07-22  8:08 UTC|newest]

Thread overview: 55+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-07-15 14:58 [Qemu-devel] live snapshot wiki updated Jes Sorensen
2011-07-18 14:08 ` Stefan Hajnoczi
2011-07-19  7:24   ` Jes Sorensen
2011-07-19 13:23     ` Stefan Hajnoczi
2011-07-19 13:27       ` Jes Sorensen
2011-07-19 13:58         ` Eric Blake
2011-07-19 14:09           ` Jes Sorensen
2011-07-19 14:24             ` Eric Blake
2011-07-19 14:30               ` Jes Sorensen
2011-07-19 15:14                 ` Stefan Hajnoczi
2011-07-19 16:46                   ` Daniel P. Berrange
2011-07-20  7:30                     ` Markus Armbruster
2011-07-20  8:23                     ` Jes Sorensen
2011-07-20  9:36                       ` Daniel P. Berrange
2011-07-20 10:15                         ` [Qemu-devel] [libvirt] " Nicolas Sebrecht
2011-07-20 10:28                           ` Daniel P. Berrange
2011-07-20 11:40                             ` [Qemu-devel] [libvirt] " Stefan Hajnoczi
     [not found]                             ` <4E27E610.7090502@redhat.com>
     [not found]                               ` <4E282DE6.1020603@redhat.com>
     [not found]                                 ` <4E283554.4080903@redhat.com>
2011-07-21 14:51                                   ` Eric Blake
     [not found]                         ` <4E27E5A2.2030208@redhat.com>
     [not found]                           ` <4E28317D.9020502@redhat.com>
2011-07-21 15:01                             ` [Qemu-devel] " Stefan Hajnoczi
2011-07-21 19:42                               ` Blue Swirl
2011-07-22  5:06                                 ` Stefan Hajnoczi
2011-07-22 15:49                                   ` Blue Swirl
2011-07-22  7:22                               ` Kevin Wolf
2011-07-22  9:11                                 ` Stefan Hajnoczi
2011-07-22 16:05                                   ` Blue Swirl
2011-07-20  9:50                     ` Kevin Wolf
2011-07-20 10:18                       ` Daniel P. Berrange
2011-07-19 16:14                 ` Anthony Liguori
2011-07-20  8:25                   ` Jes Sorensen
2011-07-20 10:01                     ` Kevin Wolf
2011-07-20 13:25                       ` Jes Sorensen
2011-07-20 13:46                         ` Eric Blake
2011-07-20 17:27                           ` Blue Swirl
2011-07-20 17:47                             ` Eric Blake
2011-07-20 19:51                               ` Blue Swirl
     [not found]                                 ` <4E27DE5D.5050502@redhat.com>
2011-07-21 19:34                                   ` Blue Swirl
2011-07-20 13:51                         ` Kevin Wolf
2011-07-20 17:20                           ` Blue Swirl
2011-07-20 17:41                             ` Eric Blake
2011-07-20 18:00                               ` Blue Swirl
2011-07-20 18:17                                 ` Eric Blake
2011-07-20 20:01                                   ` Blue Swirl
2011-07-20 20:10                                     ` Eric Blake
     [not found]                             ` <4E27E280.2060306@redhat.com>
2011-07-21 19:01                               ` Blue Swirl
2011-07-22  7:36                           ` Avi Kivity
2011-07-22  8:11                             ` Kevin Wolf [this message]
2011-07-22 16:09                               ` Blue Swirl
2011-07-20 13:50                   ` Cleber Rosa
2011-07-20 14:34                     ` Anthony Liguori
2011-07-20 18:34                       ` Cleber Rosa
2011-07-19 16:47                 ` Daniel P. Berrange
2011-07-20  8:26                   ` Jes Sorensen
2011-07-20  9:38                     ` Daniel P. Berrange
2011-07-20 14:35                   ` Anthony Liguori
2011-07-21 18:56                   ` Michael Roth

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