From: Elias da Silva <silva@aurigatec.de>
To: Jens Axboe <axboe@suse.de>
Cc: lkml <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] drivers/block/scsi_ioctl.c, Video DVD playback support
Date: Tue, 25 Jan 2005 17:13:27 +0100 [thread overview]
Message-ID: <200501251713.27402.silva@aurigatec.de> (raw)
In-Reply-To: <20050125124512.GM2751@suse.de>
On Tuesday 25 January 2005 13:45, you wrote:
[snip]
: If I'm not mistaken, Peter Jones has posted a few iterations of such an
: fs some months ago.
Thank you. I will check this...
: > Do we have a clear understanding that this fs would only
: > be a benefit if *All* the different ways to access the device would
: > use the same policy enforcement and consistently allow or
: > disallow certain operations regardless of the access method?
:
: The command restriction table _only_ works through the SG_IO path, which
: does include CDROM_SEND_PACKET as well since it is layered on top of
: SG_IO. It doesn't control various driver ioctl exported interfaces, they
: would need to add a callback to verify_command() for permission checks.
Hmm... what exactly does that mean? Who is ment by "_they_ would need..."?
I don't want to take responsability for the reaction of the xine/mplayer/etc.
community the day their software stops playing video DVDs on Linux ;-)
Regards,
Elias
next prev parent reply other threads:[~2005-01-25 16:17 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-01-22 2:27 [PATCH] drivers/block/scsi_ioctl.c, Video DVD playback support Elias da Silva
2005-01-24 8:36 ` Jens Axboe
2005-01-24 19:59 ` Elias da Silva
2005-01-24 20:39 ` Jens Axboe
2005-01-24 22:10 ` Elias da Silva
2005-01-25 0:01 ` Alan Cox
2005-01-25 8:05 ` Jens Axboe
2005-01-25 9:29 ` Elias da Silva
2005-01-25 12:44 ` Alan Cox
2005-01-25 15:52 ` Elias da Silva
2005-01-25 12:45 ` Jens Axboe
2005-01-25 16:13 ` Elias da Silva [this message]
2005-01-25 16:21 ` Jens Axboe
2005-01-25 16:28 ` Elias da Silva
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