linux-kernel - Re: [ANNOUNCE] Status of unlocked

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Message-ID: <20101029075019.GC8287@gargoyle.fritz.box>
Date:	Fri, 29 Oct 2010 09:50:19 +0200
From:	Andi Kleen <ak@...ux.intel.com>
To:	"Nicholas A. Bellinger" <nab@...ux-iscsi.org>
Cc:	Boaz Harrosh <bharrosh@...asas.com>,
	James Bottomley <James.Bottomley@...e.de>,
	Mike Anderson <andmike@...ux.vnet.ibm.com>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	linux-scsi <linux-scsi@...r.kernel.org>,
	Vasu Dev <vasu.dev@...ux.intel.com>,
	Tim Chen <tim.c.chen@...ux.intel.com>,
	Matthew Wilcox <willy@...ux.intel.com>,
	Mike Christie <michaelc@...wisc.edu>,
	Jens Axboe <jaxboe@...ionio.com>,
	James Smart <james.smart@...lex.com>,
	Andrew Vasquez <andrew.vasquez@...gic.com>,
	FUJITA Tomonori <fujita.tomonori@....ntt.co.jp>,
	Hannes Reinecke <hare@...e.de>,
	Joe Eykholt <jeykholt@...co.com>,
	Christoph Hellwig <hch@....de>,
	Jon Hawley <warthog9@...nel.org>,
	Brian King <brking@...ux.vnet.ibm.com>,
	Christof Schmitt <christof.schmitt@...ibm.com>,
	Tejun Heo <tj@...nel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	"H. Peter Anvin" <hpa@...or.com>, julia@...u.dk
Subject: Re: [ANNOUNCE] Status of unlocked_qcmds=1 operation for .37

> I would have to agree that approach does make a bit more sense..  Now
> can some brave soul (/me looks at ak) code another script to automate
> this for the identified legacy LLDs cases that need push down..?

For the drivers I looked at it doesn't really make too much difference,
I don't think there was any with a really large number of returns.
You can see that in the diffstat for the full changes.

Writing another script is probably not too hard, but the problem
is that I needed a significant amount of manual post processing
(both the select the right files to patch and to get rid
of misplaced newlines and some mismatches in cocci) 
So it's not a fully automated procedure.

-Andi

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