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Date:      Tue, 19 Nov 2002 18:18:59 -0800 (PST)
From:      Nate Lawson <nate@root.org>
To:        Kris Kennaway <kris@FreeBSD.ORG>
Cc:        Nate Lawson <njl@FreeBSD.ORG>, cvs-committers@FreeBSD.ORG, cvs-all@FreeBSD.ORG
Subject:   Re: cvs commit: src/sys/cam/scsi scsi_cd.c scsi_cd.h src/sys/dev/ata atapi-cd.c src/sys/sys cdrio.h src/usr.sbin/burncd burncd.8 burncd.c src/usr.sbin/cdcontrol cdcontrol.1 cdcontrol.c
Message-ID:  <Pine.BSF.4.21.0211191804190.61933-100000@root.org>
In-Reply-To: <20021119165032.A26021@citusc.usc.edu>

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On Tue, 19 Nov 2002, Kris Kennaway wrote:
> On Tue, Nov 19, 2002 at 04:26:19PM -0800, Nate Lawson wrote:
> > njl         2002/11/19 16:26:19 PST
> > 
> >   Modified files:        (Branch: RELENG_4)
> >     sys/cam/scsi         scsi_cd.c scsi_cd.h 
> >     sys/dev/ata          atapi-cd.c 
> >     sys/sys              cdrio.h 
> >     usr.sbin/burncd      burncd.8 burncd.c 
> >     usr.sbin/cdcontrol   cdcontrol.1 cdcontrol.c 
> >   Log:
> >   MFC:
> >     * Add CDRIOC{READ,WRITE}SPEED ioctls to cd(4).  Units are in KB/sec.
> >     * Change atapi-cd ioctls to use the same units.
> >     * Change burncd, cdcontrol to convert CDROM speed to KB/sec before
> >     calling the ioctl.  Add a "max" speed option for their command lines.
> 
> Am I misunderstanding something, or will this change cause existing
> applications to misbehave?

See the HEADSUP on stable@ and ports@.  Only people who were using the
FreeBSD-only ioctls need to change, simply by multiplying by 177 (the
kernel was doing this conversion before).  API is preserved although units
have changed.

In practice, I know of no applications (cdrecord, dagrab, tosha) written
to the FreeBSD cdrio.h ioctls.  However I can't check every port, hence
the message.

-Nate


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