Re: [ANNOUNCE] udev 007 release

[Greg KH <greg@kroah.com>]

On Mon, Dec 01, 2003 at 11:51:19AM +0100, Marco d'Itri wrote:
> On Nov 26, Greg KH <greg@kroah.com> wrote:
> 
>  >> NUMBER, BUS="ide", id="0.0", NAME="ide/host0/bus0/target0/lun0/%N"
>  >> NUMBER, BUS="ide", id="0.1", NAME="ide/host0/bus0/target1/lun0/%N"
>  >> NUMBER, BUS="ide", id="1.0", NAME="ide/host0/bus1/target0/lun0/%N"
>  >> NUMBER, BUS="ide", id="1.1", NAME="ide/host0/bus1/target1/lun0/%N"
>  >> NUMBER, BUS="ide", id="0.0", type="cd", NAME="ide/host0/bus0/target0/lun0/cd"
>  >> NUMBER, BUS="ide", id="0.1", type="cd", NAME="ide/host0/bus0/target1/lun0/cd"
>  >> NUMBER, BUS="ide", id="1.0", type="cd", NAME="ide/host0/bus1/target0/lun0/cd"
>  >> NUMBER, BUS="ide", id="1.1", type="cd", NAME="ide/host0/bus1/target1/lun0/cd"
>  >
>  >Hm, two different rules for the same id.  Not a good idea, udev can not
>  >handle this.  How about a LABEL rule for a cd instead.
> I tought that a sysfs attribute would have been enough to disambiguate
> the rules.

Yeah, that would work.  I just fixed a bug where the NAME was the same,
but the BUS was different.  That previously didn't work at all.

Care to send a patch?

>  >> And this could be a possible syntax for managing symlinks: LINK would
>  >> work just like NUMBER, but NAME would be a symlink to the device
>  >> specified:
>  >> 
>  >> # a trailing / means that the link will be done to the parent directory
>  >> LINK, BUS="ide", id="0.0", NAME="discs/disc0/"
>  >> LINK, BUS="ide", id="0.1", NAME="discs/disc1/"
>  >> LINK, BUS="ide", id="1.0", NAME="discs/cdrom0"
>  >> LINK, BUS="ide", id="1.1", NAME="discs/cdrom1"
>  >
>  >No, I think multiple NAME values on a line would be the best thing, but
>  >that will take some major tweaks to udev to get there.  We will get
>  >there...
> Multiple names have the downside that admins will have to modify the
> "standard" rules, while with different rules they could just add the
> appropriate aliases at the end of the config file.

True.  Ok, well, as neither are implemented yet, it's not really a big
deal right now :)

>  >And then as your last REPLACE rule do:
>  >	REPLACE, KERNEL="tty*", NAME="vc/%n"
> I tried it, but it does not work. (And what about /dev/tty?)

Care to enable DEBUG_PARSE in namedev.c and send me the output when
trying this?  Along with your config files.

thanks,

greg k-h


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