linux-kernel - Re: [PATCH 1/2] block: fix leaks associated with discard request payload

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Message-Id: <20100627212952D.fujita.tomonori@lab.ntt.co.jp>
Date:	Sun, 27 Jun 2010 21:32:07 +0900
From:	FUJITA Tomonori <fujita.tomonori@....ntt.co.jp>
To:	hch@....de
Cc:	fujita.tomonori@....ntt.co.jp, snitzer@...hat.com, axboe@...nel.dk,
	dm-devel@...hat.com, James.Bottomley@...e.de,
	linux-kernel@...r.kernel.org, martin.petersen@...cle.com,
	akpm@...ux-foundation.org, linux-scsi@...r.kernel.org
Subject: Re: [PATCH 1/2] block: fix leaks associated with discard request
 payload

On Sun, 27 Jun 2010 13:07:12 +0200
Christoph Hellwig <hch@....de> wrote:

> > How about this?
> 
> As I tried to explain before this utterly confuses the I/O completion
> path.  With the patch applied even a simple mkfs.xfs that issues discard
> just hangs.

Wired. I just tried mkfs.xfs against scsi_debug with my block patches
(I saw one discard command). Seemed that it worked fine.
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