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Date: Mon, 22 Sep 2008 20:22:24 -0500
From: Ryan Harper <ryanh@us.ibm.com>
Message-ID: <20080923012224.GI31395@us.ibm.com>
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Subject: [Qemu-devel] [PATCH 3/3] Add linux aio implementation for raw block
	devices
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Cc: Anthony Liguori <aliguori@us.ibm.com>, Ryan Harper <ryanh@us.ibm.com>, kvm@vger.kernel.org

* Ryan Harper <ryanh@us.ibm.com> [2008-09-22 18:18]:
> This patch adds a linux aio raw block driver implementation.  If a raw block
> device is opened with cached=off (O_DIRECT) then we can utilize linux aio to
> submit io to/from the block device.  Utilizing linux aio allows for multiple
> outstanding requests to be in flight against the io device potentially providing
> higher IO throughput.  This implementation uses eventfd for event completion
> notification.

Hrm, git-send-email didn't seem to set the right subject for this email.
This is [PATCH 3/3], the linux aio implementation.

--
Ryan Harper
Software Engineer; Linux Technology Center
IBM Corp., Austin, Tx
(512) 838-9253   T/L: 678-9253
ryanh@us.ibm.com