linux-kernel - Re: [PATCH 2/2] aio: propogate post-EIOCBQUEUED errors to completion event

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Message-ID: <b040c32a0702210035w38dda81du55bc12259324a4b5@mail.gmail.com>
Date:	Wed, 21 Feb 2007 00:35:34 -0800
From:	"Ken Chen" <kenchen@...gle.com>
To:	"Ananiev, Leonid I" <leonid.i.ananiev@...el.com>
Cc:	"Chris Mason" <chris.mason@...cle.com>,
	"Zach Brown" <zach.brown@...cle.com>, linux-aio@...ck.org,
	linux-kernel@...r.kernel.org, "Benjamin LaHaise" <bcrl@...ck.org>,
	"Suparna bhattacharya" <suparna@...ibm.com>,
	"Andrew Morton" <akpm@...ux-foundation.org>
Subject: Re: [PATCH 2/2] aio: propogate post-EIOCBQUEUED errors to completion event

On 2/20/07, Ananiev, Leonid <leonid.i.ananiev@...el.com> wrote:
> 1) mem=1G in kernel boot param if you have more
> 2) unmount; mk2fs; mount
> 3) dd if=/dev/zero of=<test_file> bs=1M count=1200
> 4) aiostress -s 1200m -O -o 2 -i 1 -r 16k <test_file>
> 5) if i++<50 goto 2).

Would you please instrument the call chain of
invalidate_complete_page2() and tell us exactly where it returns zero
value in your failure case?

   invalidate_complete_page2
      try_to_release_page
         ext3_releasepage
            journal_try_to_free_buffers
               ???
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