Re: [PATCH 2.5.22] simple ide-tape.c and ide-floppy.c cleanup

Bartlomiej Zolnierkiewicz (B.Zolnierkiewicz@elka.pw.edu.pl)
Thu, 20 Jun 2002 18:50:12 +0200 (MET DST)


On Thu, 20 Jun 2002, Jens Axboe wrote:

> On Thu, Jun 20 2002, Bartlomiej Zolnierkiewicz wrote:
> >
> > On Thu, 20 Jun 2002, Martin Dalecki wrote:
> >
> > > U?ytkownik Jens Axboe napisa?:
> > > > On Thu, Jun 20 2002, Martin Dalecki wrote:
> > > >
> > > >>U?ytkownik Jens Axboe napisa?:
> > > >>
> > > >>>On Wed, Jun 19 2002, Bartlomiej Zolnierkiewicz wrote:
> > > >>>
> > > >>>Looks pretty good in general, just one minor detail:
> > > >>>
> > > >>>
> > > >>>
> > > >>>>+
> > > >>>>+/*
> > > >>>>+ * ATAPI packet commands.
> > > >>>>+ */
> > > >>>>+#define ATAPI_FORMAT_UNIT_CMD 0x04
> > > >>>>+#define ATAPI_INQUIRY_CMD 0x12
> > > >>>
> > > >>>
> > > >>>[snip]
> > > >>>
> > > >>>We already have the "full" list in cdrom.h (GPCMD_*), so lets just use
> > > >>>that. After all, ATAPI_MODE_SELECT10_CMD _is_ the same as the SCSI
> > > >>>variant (and I think the _CMD post fixing is silly, anyone familiar with
> > > >>>this is going to know what ATAPI_WRITE10 means just fine)
> > > >>>
> > > >>>Same for request_sense, that is already generalized in cdrom.h as well.
> > > >>
> > > >>I wonder what FreeBSD is using here? I see no need for invention at
> > > >>this place.
> > > >
> > > >
> > > > The invention would be adding the ATAPI_* commands, Linux has used the
> > > > GPCMD_ convention for quite some time now.
> > >
> > > Agreed. The ATAPI prefix would be confusing, since those are in reality SCSI
> > > commands anyway...
> >
> > I think we should use scsi.h and get rid of GPCMD_* convention also.
> > Jens, do you want "corrected" patch?
>
> Note that GPCMD_ is exported to user land, and several programs are
> using them for quite some time. So GPCMD_ stays, and that's final.
>

There was some discussion that user land should not include linux/ headers
directly, so in long term user land should be fixed not to use GPCMD_* ...

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