Messages in this thread | | | Date | Tue, 24 Jan 2006 21:54:52 +0100 (MET) | From | Jan Engelhardt <> | Subject | Re: CD writing in future Linux (stirring up a hornets' nest) |
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>> SUSE currently does it in A Nice Way: setfacl'ing the devices to include >> read access for currently logged-in users. (Well, if someone logs on tty1 >> after you, you're screwed anyway - he could have just ejected the cd when >> he's physically at the box.) > >There are some things to complicate matters. SUSE patch subfs into the >kernel and ship the needed user-space, think of this as quick >automounter. It releases the drive and unmounts the medium when the last >file is closed. In older SUSE releases, tty? logins didn't trigger >such access controls, only "desktop" logins through kdm or gdm.
I think this is independent of subfs. This is, afaicg, a resmgrd thing. And since I do not use [a-z]dm, but tty login + startx, well, you can guess.
>> Yes, the device numbering is not optimal. (I already hear someone saying >> 'have udev make some sweety symlink in /dev'.) >> But in case of /dev/hd*, we are pretty sure of what device is connected >> where. In case of sd*, it's AFAICS not - the next device plugged in gets >> the next free sd slot. > >What matters is sg, and perhaps sr.
Where is the difference between SG_IO-on-hdx and sg0?
Jan Engelhardt -- - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.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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