From mboxrd@z Thu Jan  1 00:00:00 1970
From: Andrew Morton <akpm@osdl.org>
Subject: Re: kjournald() with DIO
Date: Mon, 12 Sep 2005 16:37:32 -0700
Message-ID: <20050912163732.036b2971.akpm@osdl.org>
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To: Badari Pulavarty <pbadari@us.ibm.com>
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Badari Pulavarty <pbadari@us.ibm.com> wrote:
>
> I have been chasing a race condition, which leads to
> returning premature EIO with DIO (iozone tests) on
> ext3 filesystems.

In Linux, I assume ;)  Any particular version?

> It seems to be a race between kjournald() & DIO process
> invalidating the page. Is this a known issue ?

Sort-of.  Jan Kara has suggested a fix for this.

Go into block_write_full_page(), replace the call to block_invalidatepage()
with a call to do_invalidatepage(), please.