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From: MORITA Kazutaka <morita.kazutaka-Zyj7fXuS5i5L9jVzuh4AOg@public.gmane.org>
To: Avi Kivity <avi-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
Cc: aliguori-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org,
	sheepdog-CJ+3F33aHDCwRfvgX43A7Q@public.gmane.org,
	qemu-devel-qX2TKyscuCcdnm+yROfE0A@public.gmane.org,
	kvm-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [RFC PATCH 1/2] close all the block drivers before the qemu process exits
Date: Thu, 13 May 2010 05:16:35 +0900	[thread overview]
Message-ID: <4BEB0CA3.50209@lab.ntt.co.jp> (raw)
In-Reply-To: <4BEABB0F.9030907-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>

On 2010/05/12 23:28, Avi Kivity wrote:
> On 05/12/2010 01:46 PM, MORITA Kazutaka wrote:
>> This patch calls the close handler of the block driver before the qemu
>> process exits.
>>
>> This is necessary because the sheepdog block driver releases the lock
>> of VM images in the close handler.
>>
>>    
> 
> How do you handle abnormal termination?
> 

In the case, we need to release the lock manually, unfortunately.
Sheepdog admin tool has a command to do that.

Thanks,

Kazutaka

WARNING: multiple messages have this Message-ID (diff)
From: MORITA Kazutaka <morita.kazutaka@lab.ntt.co.jp>
To: Avi Kivity <avi@redhat.com>
Cc: fujita.tomonori@lab.ntt.co.jp, aliguori@us.ibm.com,
	sheepdog@lists.wpkg.org, qemu-devel@nongnu.org,
	kvm@vger.kernel.org
Subject: [Qemu-devel] Re: [RFC PATCH 1/2] close all the block drivers before the qemu process exits
Date: Thu, 13 May 2010 05:16:35 +0900	[thread overview]
Message-ID: <4BEB0CA3.50209@lab.ntt.co.jp> (raw)
In-Reply-To: <4BEABB0F.9030907@redhat.com>

On 2010/05/12 23:28, Avi Kivity wrote:
> On 05/12/2010 01:46 PM, MORITA Kazutaka wrote:
>> This patch calls the close handler of the block driver before the qemu
>> process exits.
>>
>> This is necessary because the sheepdog block driver releases the lock
>> of VM images in the close handler.
>>
>>    
> 
> How do you handle abnormal termination?
> 

In the case, we need to release the lock manually, unfortunately.
Sheepdog admin tool has a command to do that.

Thanks,

Kazutaka

  parent reply	other threads:[~2010-05-12 20:16 UTC|newest]

Thread overview: 54+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-05-12 10:46 [RFC PATCH 0/2] Sheepdog: distributed storage system for QEMU MORITA Kazutaka
2010-05-12 10:46 ` [Qemu-devel] " MORITA Kazutaka
2010-05-12 10:46 ` [RFC PATCH 2/2] block: add sheepdog driver for distributed storage support MORITA Kazutaka
2010-05-12 10:46   ` [Qemu-devel] " MORITA Kazutaka
2010-05-12 11:38 ` [Qemu-devel] [RFC PATCH 0/2] Sheepdog: distributed storage system for QEMU Kevin Wolf
2010-05-12 11:38   ` Kevin Wolf
     [not found]   ` <4BEA931A.6040309-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2010-05-12 19:46     ` MORITA Kazutaka
2010-05-12 19:46       ` MORITA Kazutaka
     [not found]       ` <4BEB05A6.5030305-Zyj7fXuS5i5L9jVzuh4AOg@public.gmane.org>
2010-05-13 14:03         ` MORITA Kazutaka
2010-05-13 14:03           ` MORITA Kazutaka
2010-05-14  8:32           ` Kevin Wolf
     [not found]             ` <4BED0A9A.9010608-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2010-05-14  9:54               ` MORITA Kazutaka
2010-05-14  9:54                 ` MORITA Kazutaka
2010-05-14 10:05                 ` Kevin Wolf
     [not found] ` <1273661213-19611-1-git-send-email-morita.kazutaka-Zyj7fXuS5i5L9jVzuh4AOg@public.gmane.org>
2010-05-12 10:46   ` [RFC PATCH 1/2] close all the block drivers before the qemu process exits MORITA Kazutaka
2010-05-12 10:46     ` [Qemu-devel] " MORITA Kazutaka
2010-05-12 14:01     ` Christoph Hellwig
2010-05-12 14:01       ` Christoph Hellwig
     [not found]       ` <20100512140132.GA11876-jcswGhMUV9g@public.gmane.org>
2010-05-12 19:50         ` MORITA Kazutaka
2010-05-12 19:50           ` MORITA Kazutaka
2010-05-12 14:28     ` Avi Kivity
2010-05-12 14:28       ` [Qemu-devel] " Avi Kivity
     [not found]       ` <4BEABB0F.9030907-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2010-05-12 20:16         ` MORITA Kazutaka [this message]
2010-05-12 20:16           ` MORITA Kazutaka
2010-05-13  2:34           ` MORITA Kazutaka
2010-05-13  2:34             ` [Qemu-devel] " MORITA Kazutaka
2010-05-14  9:51   ` [RFC PATCH v2 0/3] Sheepdog: distributed storage system for QEMU MORITA Kazutaka
2010-05-14  9:51     ` [Qemu-devel] " MORITA Kazutaka
     [not found]     ` <1273830676-2349-1-git-send-email-morita.kazutaka-Zyj7fXuS5i5L9jVzuh4AOg@public.gmane.org>
2010-05-17 10:19       ` [RFC PATCH v3 " MORITA Kazutaka
2010-05-17 10:19         ` [Qemu-devel] " MORITA Kazutaka
2010-05-17 10:19     ` [RFC PATCH v3 1/3] close all the block drivers before the qemu process exits MORITA Kazutaka
2010-05-17 10:19       ` [Qemu-devel] " MORITA Kazutaka
2010-05-17 10:19     ` [RFC PATCH v3 2/3] block: call the snapshot handlers of the protocol drivers MORITA Kazutaka
2010-05-17 10:19       ` [Qemu-devel] " MORITA Kazutaka
2010-05-17 11:08       ` Kevin Wolf
2010-05-17 11:08         ` Kevin Wolf
2010-05-17 12:19         ` MORITA Kazutaka
2010-05-17 12:19           ` [Qemu-devel] " MORITA Kazutaka
2010-05-17 12:20           ` Kevin Wolf
2010-05-17 13:03             ` MORITA Kazutaka
2010-05-17 10:19     ` [RFC PATCH v3 3/3] block: add sheepdog driver for distributed storage support MORITA Kazutaka
2010-05-17 10:19       ` [Qemu-devel] " MORITA Kazutaka
2010-05-14  9:51 ` [RFC PATCH v2 1/3] close all the block drivers before the qemu process exits MORITA Kazutaka
2010-05-14  9:51   ` [Qemu-devel] " MORITA Kazutaka
2010-05-14  9:51 ` [RFC PATCH v2 2/3] block: call the snapshot handlers of the protocol drivers MORITA Kazutaka
2010-05-14  9:51   ` [Qemu-devel] " MORITA Kazutaka
2010-05-14 12:55   ` Kevin Wolf
2010-05-14 12:55     ` [Qemu-devel] " Kevin Wolf
2010-05-14  9:51 ` [RFC PATCH v2 3/3] block: add sheepdog driver for distributed storage support MORITA Kazutaka
2010-05-14  9:51   ` [Qemu-devel] " MORITA Kazutaka
2010-05-14 11:08   ` Kevin Wolf
2010-05-14 11:08     ` [Qemu-devel] " Kevin Wolf
     [not found]     ` <4BED2F16.1000608-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2010-05-17 10:34       ` MORITA Kazutaka
2010-05-17 10:34         ` [Qemu-devel] " MORITA Kazutaka

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