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Re: [Qemu-devel] [PATCH 1/3] Add blkmirror block driver


From: Federico Simoncelli
Subject: Re: [Qemu-devel] [PATCH 1/3] Add blkmirror block driver
Date: Thu, 23 Feb 2012 11:18:54 -0500 (EST)

----- Original Message -----
> From: "Stefan Hajnoczi" <address@hidden>
> To: "Federico Simoncelli" <address@hidden>
> Cc: address@hidden, address@hidden, address@hidden
> Sent: Thursday, February 23, 2012 5:14:09 PM
> Subject: Re: [Qemu-devel] [PATCH 1/3] Add blkmirror block driver
> 
> On Wed, Feb 22, 2012 at 5:13 PM, Federico Simoncelli
> <address@hidden> wrote:
> > From: Marcelo Tosatti <address@hidden>
> >
> > Mirrored writes are used by live block copy.
> 
> I think the right approach is to create a single blkmirror driver
> that
> also includes blkverify functionality.  The code is basically the
> same
> except blkverify also compares reads - just use a flag to
> enable/disable that behavior.
> 
> Feel free to rename the blkverify driver to blkmirror if you wish.
> 
> By the way, this code does not build against qemu.git/master.  It
> uses
> interfaces which have been dropped.

Yes you also need:

[PATCH 2/3] Update the blkmirror block driver

Which was sent separately to facilitate the review for people who
already reviewed this.

-- 
Federico



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