linux-ext4 - Re: [PATCH 6/8] xfstests: add fallocate/truncate vs AIO/DIO stress test

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Date:	Tue, 19 Feb 2013 10:43:16 +1100
From:	Dave Chinner <david@...morbit.com>
To:	Dmitry Monakhov <dmonakhov@...nvz.org>
Cc:	xfs@....sgi.com, linux-ext4@...r.kernel.org,
	linux-fsdevel@...r.kernel.org, dchinner@...hat.com
Subject: Re: [PATCH 6/8] xfstests: add fallocate/truncate vs AIO/DIO stress
 test

On Wed, Feb 13, 2013 at 12:50:01PM +0400, Dmitry Monakhov wrote:
> Run  DIO, fallocate and truncate threads on a common file in parallel.
> If race exist old dio request may rewrite blocks after it was allocated
> to another file, we will catch that by verifying blocks content.
> 
> this patch known to catch deadlock for ext4
> http://lists.openwall.net/linux-ext4/2012/09/06/3
> 
> Signed-off-by: Dmitry Monakhov <dmonakhov@...nvz.org>
> ---
>  286     |  157 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>  286.out |    5 ++
>  group   |    1 +
>  3 files changed, 163 insertions(+), 0 deletions(-)
>  create mode 100755 286
>  create mode 100644 286.out
> 
> diff --git a/286 b/286
> new file mode 100755
> index 0000000..588387c
> --- /dev/null
> +++ b/286
> @@ -0,0 +1,157 @@
> +#! /bin/bash
> +# FSQA Test No. 286
> +#
> +# AIO/DIO stress test
> +# Run random AIO/DIO activity and fallocate/truncate simultaneously
> +# Test will operate on huge sparsed files so ENOSPC is expected.
> +#
> +#-----------------------------------------------------------------------
> +# Copyright (c) 2006 Silicon Graphics, Inc.  All Rights Reserved.

I think you need to put the correct copyright statements in these
new tests ;)

Cheers,

Dave.
-- 
Dave Chinner
david@...morbit.com
--
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