From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Richard Purdie <rpurdie@rpsys.net>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
bzolnier@gmail.com, Dominik Brodowski <linux@brodo.de>,
Andrew Morton <akpm@osdl.org>,
linux-ide@vger.kernel.org
Subject: Re: IDE problems in 2.6.12-rc1-bk1 onwards (was Re: 2.6.12-rc3-mm1)
Date: Mon, 02 May 2005 18:47:15 +0100 [thread overview]
Message-ID: <1115056032.10369.33.camel@localhost.localdomain> (raw)
In-Reply-To: <03be01c54e77$83d86980$0f01a8c0@max>
On Sul, 2005-05-01 at 18:59, Richard Purdie wrote:
> Solution: ide_unregister() should return failure and pass responsibility for
> handling it to ide-cs or it should always succeed. I'd favour the latter as
> the ide layer should really handle its own cleanup. Maybe a parameter should
> be added to ide_unregister() to select the behaviour if the drive is busy/in
> use? If the hardware is gone, we want it to happen regardless for example...
This is what the -ac tree has done for some time. It tried to unregister
and
if that fails will wait and retry. It also sets the I/O operations to a
set of
null operations to ensure that there are no further unneccessary
writes/reads from the empty bus slot.
Alan
next prev parent reply other threads:[~2005-05-02 17:47 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-05-01 17:59 IDE problems in 2.6.12-rc1-bk1 onwards (was Re: 2.6.12-rc3-mm1) Richard Purdie
2005-05-01 18:41 ` Bartlomiej Zolnierkiewicz
2005-05-02 12:24 ` Richard Purdie
2005-05-02 17:47 ` Alan Cox [this message]
2005-05-02 19:39 ` Richard Purdie
2005-05-04 15:44 ` Alan Cox
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