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Open Source and information security mailing list archives
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Date: Sun, 05 Nov 2006 15:06:39 +0100 From: Arjan van de Ven <arjan@...radead.org> To: Jan Engelhardt <jengelh@...ux01.gwdg.de> Cc: andrew@...rond.org, linux-kernel@...r.kernel.org Subject: Re: Scsi cdrom naming confusion; sr or scd? On Sun, 2006-11-05 at 12:33 +0100, Jan Engelhardt wrote: > > "The prefix /dev/sr (instead of /dev/scd) has been deprecated" > > > >but booting 2.6.18.2 from a scsi CD only works if I pass the kernel > >parameter root=/dev/sr0 and fails with root=/dev/scd0 > > > >I guess the kernel ought to be taught about the scd* names aswell? > > brw-r----- 1 root disk 11, 0 Mar 19 2005 /dev/scd0 > brw-r----- 1 root disk 11, 0 Mar 19 2005 /dev/sr0 > > Plus I see sr0 being far more commonly used than scd0. > So I guess the doc is wrong. and this is why it's wrong to make naming policy a kernel thing! Userspace is the right place to do this (and there I suspect the name will end up being /dev/cdrom)...... the kernel really shouldn't care at all what the name is. (I know for root= it currently has to if you don't have an initrd but.. well... that's sort of a nasty interface anyway; what if you have a usb cdrom drive connected for example.. suddenly all your names changed) -- if you want to mail me at work (you don't), use arjan (at) linux.intel.com Test the interaction between Linux and your BIOS via http://www.linuxfirmwarekit.org - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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