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From: Christoph Hellwig <hch@lst.de>
To: Badari Pulavarty <pbadari@us.ibm.com>
Cc: Kevin Wolf <kwolf@redhat.com>,
	Anthony Liguori <aliguori@us.ibm.com>,
	Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>,
	Stefan Hajnoczi <stefanha@gmail.com>,
	qemu-devel@nongnu.org, Khoa Huynh <khoa@us.ibm.com>,
	pbadari@linux.vnet.ibm.com, Christoph Hellwig <hch@lst.de>
Subject: Re: [Qemu-devel] [PATCH] raw-posix: Linearize direct I/O on Linux	NFS
Date: Sat, 16 Apr 2011 04:05:16 +0200	[thread overview]
Message-ID: <20110416020516.GB11264@lst.de> (raw)
In-Reply-To: <4DA8D5DF.5070503@us.ibm.com>

On Fri, Apr 15, 2011 at 04:33:51PM -0700, Badari Pulavarty wrote:
> To be honest with you, we should kill cache=none and just optimize only one 
> case and live with it (like other commerical
> hypervisor). :(

cache=none is the only sane mode for qemu, modulo bugs in nfs or similar weird
protocols that no sane person should use for VM storage.

>

  reply	other threads:[~2011-04-16  2:05 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-04-15 13:40 [Qemu-devel] [PATCH] raw-posix: Linearize direct I/O on Linux NFS Stefan Hajnoczi
2011-04-15 15:05 ` Christoph Hellwig
2011-04-15 15:26   ` Stefan Hajnoczi
2011-04-15 15:34     ` Christoph Hellwig
2011-04-15 16:10       ` Anthony Liguori
2011-04-15 16:17         ` Stefan Hajnoczi
2011-04-15 17:27         ` Christoph Hellwig
2011-04-15 16:23       ` Badari Pulavarty
2011-04-15 17:29         ` Christoph Hellwig
2011-04-15 22:21           ` Badari Pulavarty
2011-04-15 23:00             ` Anthony Liguori
2011-04-15 23:33               ` Badari Pulavarty
2011-04-16  2:05                 ` Christoph Hellwig [this message]
2011-04-16  8:46               ` Stefan Hajnoczi
2011-04-16  2:03             ` Christoph Hellwig
2011-04-15 18:09         ` Anthony Liguori
2011-04-15 18:25           ` Badari Pulavarty

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