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From: Liu Yuan <namei.unix@gmail.com>
To: Stefan Hajnoczi <stefanha@gmail.com>
Cc: Kevin Wolf <kwolf@redhat.com>,
	Paolo Bonzini <pbonzini@redhat.com>,
	qemu-devel <qemu-devel@nongnu.org>
Subject: Re: [Qemu-devel] bdrv_co_flush_to_disk() don't flush as expected
Date: Sat, 19 Jan 2013 00:13:21 +0800	[thread overview]
Message-ID: <50F974A1.6030609@gmail.com> (raw)
In-Reply-To: <CAJSP0QU6tyNceuBGP-v=3wFWGFPnNROr71EUOiUT7+-fiOnzXg@mail.gmail.com>

On 01/18/2013 11:56 PM, Stefan Hajnoczi wrote:
> How are you checking that sd_co_flush_to_disk() is called?  Please
> post the diff.

>From the sheep.log, I can see

Jan 19 00:09:39 [main] queue_request(355) FLUSH_VDI, 1
...

This means a flush request is sent from QEMU. I added a printf() in
sd_co_flush_to_disk (sheepdog.c) also confirmed that sd_co_flush_to_disk
wasn't called until I typed 'poweroff' in the guest.

Thanks,
Yuan

  reply	other threads:[~2013-01-18 16:13 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-01-18 15:43 [Qemu-devel] bdrv_co_flush_to_disk() don't flush as expected Liu Yuan
2013-01-18 15:56 ` Stefan Hajnoczi
2013-01-18 16:13   ` Liu Yuan [this message]
2013-01-18 16:28   ` Liu Yuan
2013-01-18 18:06 ` Liu Yuan

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