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

Chris Lalancette
2008-09-10T13:26:29Z

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