linux-kernel - Re: [PATCH 0/7] ide: locking improvements

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Message-ID: <20081009065141.GV19428@kernel.dk>
Date:	Thu, 9 Oct 2008 08:51:43 +0200
From:	Jens Axboe <jens.axboe@...cle.com>
To:	Bartlomiej Zolnierkiewicz <bzolnier@...il.com>
Cc:	linux-ide@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/7] ide: locking improvements

On Wed, Oct 08 2008, Bartlomiej Zolnierkiewicz wrote:
> 
> Locking improvements in preparation for replacing the global ide_lock
> spinlock by per-hwgroup spinlocks [1].
> 
> [1] patch (which is partially based on 2005 patch from Scalex86) for this
> is also ready but it needs some more audit and testing
> 
> diffstat:
>  drivers/ide/ide-cd.c     |   38 ++++++-------
>  drivers/ide/ide-io.c     |  129 ++++++++++++++++++++---------------------------
>  drivers/ide/ide-ioctls.c |    3 -
>  drivers/ide/ide-lib.c    |    7 --
>  drivers/ide/ide-proc.c   |   25 +--------
>  drivers/ide/ide.c        |    7 --
>  6 files changed, 80 insertions(+), 129 deletions(-)

Sorry, but I just have to ask 'why'? IDE is seeing a whole lot of churn
for something that should essentially be a stable code base in
maintenance mode, and now scalability improvements?

Just doesn't make ANY sense to me, sorry. We may end up with a cleaner
code base, but likely also a buggier one. It's not like hardware
coverage testing is all that great, considering some of the ancient
stuff it supports :-)

-- 
Jens Axboe

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