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Date: Mon, 20 Oct 2014 21:48:53 +0800
From: "Zhang Haoyu" <zhanghy@sangfor.com>
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Subject: [Qemu-devel] [question] savevm/delvm: Is it neccesary to perform
	bdrv_drain_all before savevm and delvm?
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To: qemu-devel <qemu-devel@nongnu.org>, Stefan Hajnoczi <stefanha@redhat.com>, Max Reitz <mreitz@redhat.com>, Kevin Wolf <kwolf@redhat.com>, Eric Blake <eblake@redhat.com>

Hi,

I noticed that bdrv_drain_all is performed in load_vmstate before bdrv_snapshot_goto,
and bdrv_drain_all is performed in qmp_transaction before internal_snapshot_prepare,
so is it also neccesary to perform bdrv_drain_all in savevm and delvm?

Thanks,
Zhang Haoyu