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[Qemu-devel] [question] savevm/delvm: Is it neccesary to perform bdrv_dr


From: Zhang Haoyu
Subject: [Qemu-devel] [question] savevm/delvm: Is it neccesary to perform bdrv_drain_all before savevm and delvm?
Date: Mon, 20 Oct 2014 21:48:53 +0800

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





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