linux-kernel - Re: [PATCH] block: Remove the control of complete cpu from bio.

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Date:	Mon, 24 Oct 2011 16:12:06 +0200
From:	Jens Axboe <axboe@...nel.dk>
To:	Tao Ma <tm@....ma>
CC:	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] block: Remove the control of complete cpu from bio.

On 2011-10-24 05:46, Tao Ma wrote:
> On 09/16/2011 05:41 PM, Tao Ma wrote:
>> From: Tao Ma <boyu.mt@...bao.com>
>>
>> bio originally has the functionality to set the complete cpu, but
>> it is broken.
>>
>> Chirstoph said that "This code is unused, and from the all the
>> discussions lately pretty obviously broken.  The only thing keeping
>> it serves is creating more confusion and possibly more bugs."
>>
>> And Jens replied with "We can kill bio_set_completion_cpu(). I'm fine
>> with leaving cpu control to the request based drivers, they are the
>> only ones that can toggle the setting anyway".
>>
>> So this patch tries to remove all the work of controling complete cpu
>> from a bio.

Applied, thanks!

-- 
Jens Axboe

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