qemu-devel
[Top][All Lists]
Advanced

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [Qemu-devel] [PATCH 0/2] virtagent - fsfreeze support


From: Stefan Hajnoczi
Subject: Re: [Qemu-devel] [PATCH 0/2] virtagent - fsfreeze support
Date: Tue, 1 Feb 2011 14:16:17 +0000

On Tue, Feb 1, 2011 at 10:58 AM,  <address@hidden> wrote:
> From: Jes Sorensen <address@hidden>
> This is a first attempt to add fsfreeze support to virtagent. The idea
> is for the guest agent to walk the list of locally mounted file
> systems in the guest, and issuing an ioctl to freeze them. The host
> can then do a live snapshot of the guest, obtaining stable file
> systems. After the snapshot, the host then calls the thaw function in
> virtagent, which goes through the list of previously frozen file
> systems and unfreezes them.

Any plans for a call-out to pre/post freeze and thaw scripts so that
applications can flush cached data to disk and brace themselves for
freeze?

Stefan



reply via email to

[Prev in Thread] Current Thread [Next in Thread]