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From: Kiyoshi Ueda <k-ueda@ct.jp.nec.com>
To: Tejun Heo <tj@kernel.org>, Boaz Harrosh <bharrosh@panasas.com>,
	FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>,
	jens.axboe@oracle.com
Cc: linux-kernel@vger.kernel.org, benh@kernel.crashing.org
Subject: Re: [PATCH] swim3: use blk_end_request instead of blk_update_request
Date: Wed, 13 May 2009 09:50:09 +0900	[thread overview]
Message-ID: <4A0A1941.2010105@ct.jp.nec.com> (raw)
In-Reply-To: <4A099562.7020805@kernel.org>

Hi,

Thank you for pointing this, Boaz!

On 2009/05/13 0:27 +0900, Tejun Heo wrote:
> Hello,
> 
> Boaz Harrosh wrote:
>> blk_update_request() was meant for request-based-multi-path, and not for swim3
>> please see:
>>     32fab448 block: add request update interface
>>
>> CC: Kiyoshi Ueda<k-ueda@ct.jp.nec.com>
>>
>> I think Tejun Heo was just using that in some recent block layer,
>> transformation.
>> Tejun?
> 
> Yeah, conversion was easy that way.  I think it's sane to have
> blk_update_request() exported as long as request internal tinkering is
> kept in block layer proper.

blk_update_request() is needed for request-based dm to keep the request
completion ordering in bottom-up, although request-based dm is not
in upstream yet.

Jens, please keep blk_update_request() exported.

Thanks,
Kiyoshi Ueda


  reply	other threads:[~2009-05-13  0:58 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-05-12 11:29 [PATCH 0/2] swim3: use blk_end_request_all() FUJITA Tomonori
2009-05-12 11:29 ` [PATCH] swim3: use blk_end_request_all when we hit the maximum retry count FUJITA Tomonori
2009-05-12 11:29 ` [PATCH] swim3: use blk_end_request instead of blk_update_request FUJITA Tomonori
2009-05-12 14:45   ` Boaz Harrosh
2009-05-12 15:06     ` FUJITA Tomonori
2009-05-12 15:27     ` Tejun Heo
2009-05-13  0:50       ` Kiyoshi Ueda [this message]
2009-05-13  5:49         ` Jens Axboe
2009-05-13  5:52           ` Tejun Heo
2009-05-13  5:59             ` Jens Axboe
2009-05-12 15:25 ` [PATCH 0/2] swim3: use blk_end_request_all() Tejun Heo
2009-05-12 15:31   ` FUJITA Tomonori
2009-05-12 15:36     ` Tejun Heo
2009-05-12 15:51       ` FUJITA Tomonori
2009-05-12 22:58         ` Tejun Heo

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