Re: [PATCH 12/13] ATA ACPI: use scsi_bus_shutdown for SATA/PATA

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On Tue, 28 Feb 2006 12:58:58 +0100
Pavel Machek <[email protected]> wrote:

> Hi!
> 
> > From: Randy Dunlap <[email protected]>
> > 
> > Add ability for SCSI drivers to invoke a shutdown method.
> > This allows drivers to make drives safe for shutdown/poweroff,
> > for example.  Some drives need this to prevent possible problems.
> > 
> > Signed-off-by: Randy Dunlap <[email protected]>
> 
> > --- linux-2616-rc4-ata.orig/drivers/scsi/scsi_sysfs.c
> > +++ linux-2616-rc4-ata/drivers/scsi/scsi_sysfs.c
> > @@ -302,11 +302,27 @@ static int scsi_bus_resume(struct device
> >  	return err;
> >  }
> >  
> > +static void scsi_bus_shutdown(struct device * dev)
> > +{
> > +	struct scsi_device *sdev = to_scsi_device(dev);
> > +	struct scsi_host_template *sht = sdev->host->hostt;
> > +	int err;
> > +
> > +	err = scsi_device_quiesce(sdev);
> 
> int err = scsi_device_quiesce()?

Shouldn't matter for the generated code, right?

> > +	if (err)
> > +		printk(KERN_DEBUG "%s: error (0x%x) during shutdown\n",
> > +			__FUNCTION__, err);
> 
> If you get an error, and then ignore it... that should not be DEBUG
> message, right?
> 
> > +	if (sht->shutdown)
> > +		sht->shutdown(sdev);
> > +}
> > +
> >  struct bus_type scsi_bus_type = {
> >          .name		= "scsi",
> >          .match		= scsi_bus_match,
> >  	.suspend	= scsi_bus_suspend,
> >  	.resume		= scsi_bus_resume,
> > +	.shutdown	= scsi_bus_shutdown,
> >  };
> 
> Whitespace?

Not a problem in my addition.  Are you requesting me to fix
the other lines?

~Randy
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