linux-kernel - Re: [PATCH 01/13] md/raid6: move raid6 data processing to raid6

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Message-ID: <20090319200931.GA10491@skl-net.de>
Date:	Thu, 19 Mar 2009 21:09:31 +0100
From:	Andre Noll <maan@...temlinux.org>
To:	Dan Williams <dan.j.williams@...el.com>
Cc:	linux-raid@...r.kernel.org, linux-kernel@...r.kernel.org,
	neilb@...e.de, maciej.sosnowski@...el.com
Subject: Re: [PATCH 01/13] md/raid6: move raid6 data processing to raid6_pq.ko

On 12:20, Dan Williams wrote:
> Move the raid6 data processing routines into a standalone module
> (raid6_pq) to prepare them to be called from async_tx wrappers and other
> non-md drivers/modules.  This precludes a circular dependency of raid456
> needing the async modules for data processing while those modules in
> turn depend on raid456 for the base level synchronous raid6 routines.
> 
> To support this move:
> 1/ The exportable definitions in raid6.h move to include/linux/raid/pq.h

As raid*.h and md.h have been moved to drivers/md recently, pq.h
should probably live there as well.

> +#define time_before(x, y) ((x) < (y))

This macro seems to have no users (and a strange name).

Regards
Andre
-- 
The only person who always got his work done by Friday was Robinson Crusoe

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