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Date:      Fri, 4 Oct 2002 10:09:21 -0700 (PDT)
From:      Nate Lawson <nate@root.org>
To:        Poul-Henning Kamp <phk@FreeBSD.org>
Cc:        cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org
Subject:   Re: cvs commit: src/sys/cam/scsi scsi_cd.c
Message-ID:  <Pine.BSF.4.21.0210041008170.94747-100000@root.org>
In-Reply-To: <200210041333.g94DXVJb051666@freefall.freebsd.org>

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On Fri, 4 Oct 2002, Poul-Henning Kamp wrote:
> phk         2002/10/04 06:33:31 PDT
> 
>   Modified files:
>     sys/cam/scsi         scsi_cd.c 
>   Log:
>   Unhook the SCSI CD driver from the disk "mini-layer" and/or GEOM.
>   
>   SCSI disks are too square pegs for the round holes in both of these.
>   
>   And since atapi-cd has clearly shown that there are better acccess
>   models for CD media than trying to pretend to be a classical disk,
>   we stop the masquerade rather than patch up the costume.
>   
>   But do implement the DIOCGMEDIASIZE and DIOCGSECTORSIZE so it will
>   be possible to manually attach to GEOM, should some the need arise.
>   
>   Ideally, this driver should do media-detection and call make_dev()
>   when a CD is inserted and destroy_dev() when it is removed, this
>   would allow our future devd(8) to automount etc etc but coding that
>   takes SCSI-clue beyond anything I posses.
>   
>   Tested on:      sparc64
>   
>   Revision  Changes    Path
>   1.62      +23 -117   src/sys/cam/scsi/scsi_cd.c

A CAM redesign is underway.  Along with it will come modernization --
SMP locking, dev_t updating, etc.

-Nate


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