linux-kernel - Re: [PATCH] dmatest: correct raid6 PQ test

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Date:	Sun, 28 Feb 2010 20:40:03 -0700
From:	Dan Williams <dan.j.williams@...el.com>
To:	Anatolij Gustschin <agust@...x.de>
Cc:	linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	Maciej Sosnowski <maciej.sosnowski@...el.com>
Subject: Re: [PATCH] dmatest: correct raid6 PQ test

On Mon, Feb 15, 2010 at 2:35 PM, Anatolij Gustschin <agust@...x.de> wrote:
> The number of PQ sources specified by module parameter "pq_sources"
> is always forced odd to fit into dmatest's destination verificaton
> scheme. But number of PQ sources and coefficients as passed to the
> driver's prep_dma_pq() is not adjusted accordingly.
>
> Fix it now to get correct PQ testing results in the case passed
> "pq_sources" parameter is even.
>
> Signed-off-by: Anatolij Gustschin <agust@...x.de>
> Cc: Dan Williams <dan.j.williams@...el.com>
> Cc: Maciej Sosnowski <maciej.sosnowski@...el.com>
> ---
>  drivers/dma/dmatest.c |    6 +++---
>  1 files changed, 3 insertions(+), 3 deletions(-)

Applied... and the same problem for the xor case (I'll fix that up).

--
Dan
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