linux-kernel - [patch v3 0/3] block: optimize flush for non-queueable flush drive

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Date:	Thu, 05 May 2011 09:59:32 +0800
From:	shaohua.li@...el.com
To:	linux-kernel@...r.kernel.org, linux-ide@...r.kernel.org
Cc:	jaxboe@...ionio.com, htejun@...il.com, hch@...radead.org,
	jgarzik@...ox.com, djwong@...ibm.com, sshtylyov@...sta.com
Subject: [patch v3 0/3] block: optimize flush for non-queueable flush drive

Flush request isn't queueable. When it's running, other request
can't. We can optimize flush performance according to this knowledge
In my test, I got about 20% performance boost.

v2->v3: mainly adds more comments to explain the optimization and changes
the code position to enable the optimization in SATA.
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