From: Arjan van de Ven <arjanv@redhat.com>
To: Christoph Hellwig <hch@infradead.org>,
linux-kernel@vger.kernel.org, B.Zolnierkiewicz@elka.pw.edu.pl,
akpm@osdl.org
Subject: Re: Force IDE cache flush on shutdown
Date: Thu, 6 May 2004 09:50:44 +0200 [thread overview]
Message-ID: <20040506075044.GC12862@devserv.devel.redhat.com> (raw)
In-Reply-To: <20040506084918.B12990@infradead.org>
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On Thu, May 06, 2004 at 08:49:18AM +0100, Christoph Hellwig wrote:
> On Thu, May 06, 2004 at 09:04:49AM +0200, Arjan van de Ven wrote:
> > +static int ide_disk_notify_reboot (struct notifier_block *this, unsigned long event, void *x)
> > +{
> > + ide_hwif_t *hwif;
> > + ide_drive_t *drive;
> > + int i, unit;
> > +
> > + switch (event) {
> > + case SYS_HALT:
> > + case SYS_POWER_OFF:
> > + break;
> > + default:
> > + return NOTIFY_DONE;
> > + }
>
> Please don't use reboot notifiers in new driver code. The driver
> model has a ->shutdown method for that.
there is somewhat of a problem with that; the reboot command potentially
runs from the disk in question, so that might never get called since that
will keep things busy.
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next prev parent reply other threads:[~2004-05-06 7:51 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-05-06 7:04 Force IDE cache flush on shutdown Arjan van de Ven
2004-05-06 7:49 ` Christoph Hellwig
2004-05-06 7:50 ` Arjan van de Ven [this message]
2004-05-06 7:55 ` Christoph Hellwig
2004-05-06 10:46 ` Arjan van de Ven
2004-05-06 10:52 ` Christoph Hellwig
2004-05-06 11:33 ` Arjan van de Ven
2004-05-06 11:45 ` Nigel Cunningham
2004-05-06 11:45 ` Arjan van de Ven
2004-05-06 12:36 ` Bartlomiej Zolnierkiewicz
2004-05-07 1:08 ` Benjamin Herrenschmidt
2004-05-06 11:38 ` Bartlomiej Zolnierkiewicz
2004-05-07 1:09 ` Benjamin Herrenschmidt
2004-05-09 2:00 ` Pavel Machek
2004-05-06 7:58 ` Jens Axboe
2004-05-06 8:04 ` Arjan van de Ven
2004-05-06 8:05 ` Jens Axboe
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