Date: Tue, 20 Feb 2007 12:03:35 -0500
From: Chris Mason <chris.mason@oracle.com>
To: "Ananiev, Leonid I" <leonid.i.ananiev@intel.com>
Cc: Zach Brown <zach.brown@oracle.com>, linux-aio@kvack.org,
       linux-kernel@vger.kernel.org, Benjamin LaHaise <bcrl@kvack.org>,
       Suparna bhattacharya <suparna@in.ibm.com>,
       Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [PATCH 2/2] aio: propogate post-EIOCBQUEUED errors to completion event
Message-ID: <20070220170335.GR6133@think.oraclecorp.com>
References: <20070219213835.4032.87439.sendpatchset@tetsuo.zabbo.net> <B41635854730A14CA71C92B36EC22AAC871D92@mssmsx411>
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On Tue, Feb 20, 2007 at 07:57:49PM +0300, Ananiev, Leonid I wrote:
> Zach> This addresses an oops reported by Leonid Ananiev
> <leonid.i.ananiev@intel.com>
> Zach> as archived at http://lkml.org/lkml/2007/2/8/337.
> ....
> Zach> This was tested by running O_DIRECT aio-stress concurrently with
> buffered reads
> 
> The oops was with aio-stress only running in the loop
> WITHOUT buffered or mmaped IO which are patched and discussed now.
> Actually 47% aio is finished with EIO after patch.

I looked through the thread and couldn't find the aio-stress command
line used for the whole test.  Could you please post it here?

If aio+dio is being used to extend the file, you'll get pages in the
page cache, which is hopefully why you're able to trigger the EIOs.

-chris
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