From: "H. Peter Anvin" <hpa@zytor.com>
To: Dan Williams <dan.j.williams@intel.com>
Cc: NeilBrown <neilb@suse.de>, linux-raid <linux-raid@vger.kernel.org>
Subject: Re: [rfc] Proof-of-concept: refactoring raid6 recovery for the async case
Date: Tue, 28 Apr 2009 18:49:56 -0700 [thread overview]
Message-ID: <49F7B244.5090304@zytor.com> (raw)
In-Reply-To: <1240962819.10249.2.camel@dwillia2-linux.ch.intel.com>
Dan Williams wrote:
> The goal of the following implementation is to demonstrate a proposed
> re-factoring of the raid6 recovery code to isolate the operations that
> can be accelerated by hardware. These operations are xor,
> gf-multiplication by a scalar (mult), and sum_product (the xor-sum of
> two vectors multiplied by two scalars).
>
> This version passes the tests from drivers/md/raid6test/test.c and
> barring objections the approach (of course not this code) will be used
> in the next version of the async-raid6 patchset.
>
> Thanks,
> Dan
Seems quite reasonable to me.
-hpa
--
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel. I don't speak on their behalf.
prev parent reply other threads:[~2009-04-29 1:49 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-04-28 23:53 [rfc] Proof-of-concept: refactoring raid6 recovery for the async case Dan Williams
2009-04-29 1:49 ` H. Peter Anvin [this message]
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