Re: [PATCH RFC] sd: spin down disks on removal or power-down

[Robert Hancock <hancockr@shaw.ca>]

Andrew Morton wrote:
> triviata:
>
> > --- linux-2.6.20-rc6nv/drivers/scsi/sd.c	2007-01-28 17:00:00.000000000 -0600
> > +++ linux-2.6.20-rc6nvedit/drivers/scsi/sd.c	2007-01-28 18:08:53.000000000 -0600
> > @@ -821,6 +821,39 @@ static int sd_sync_cache(struct scsi_dev
> >  	return res;
> >  }
> >  
> > +static int sd_stop_unit(struct scsi_device *sdp, struct scsi_disk* sdkp)
>
> s/* / */
>
> > +{
> > +	int res;
> > +	struct scsi_sense_hdr sshdr;
> > +	unsigned char cmd[10] = { 0 };
>
> I don't think this initialisation-to-all-zeroes is needed, is it?

Pretty sure it is, the rest of the command needs to be set to 0. Without 
it the other 9 bytes will contain uninitialized junk.

For the other cleanup changes, though:

Signed-off-by: Robert Hancock <hancockr@shaw.ca>

--
Robert Hancock      Saskatoon, SK, Canada
To email, remove "nospam" from hancockr@nospamshaw.ca
Home Page: http://www.roberthancock.com/



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