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Re: [Qemu-devel] [PATCH 3/10] Add bdrv_flush_all()

From: Chris Lalancette
Subject: Re: [Qemu-devel] [PATCH 3/10] Add bdrv_flush_all()
Date: Wed, 10 Sep 2008 15:26:29 +0200
User-agent: Thunderbird (X11/20080723)

Anthony Liguori wrote:
> This patch adds a bdrv_flush_all() function.  It's necessary to ensure that 
> all
> IO operations have been flushed to disk before completely a live migration.
> N.B. we don't actually use this now.  We really should flush the block drivers
> using an live savevm callback to avoid unnecessary guest down time.

Simple enough, and follows the pattern in the KVM migration.

Chris Lalancette

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