hello tim,
On Tue, 22 Aug 2006, Tim Phipps wrote:
> On Tue, 2006-08-22 at 16:20, maximilian attems wrote:
> > it be nice if you would add an example where you need that?
> >
> I'm using "readlink -f" in a script in init-top from the
> initramfs-tools to change the root device name from
> /dev/disk/by-label/root to the real root device (/dev/hda2). I'm doing
> this just to make the output of df tidy. If it makes the readlink binary
> much larger to add this, just ignore this request. I can work around by
> copying the normal readlink into /sbin (or using busybox).
first i'm a bit surprised why you would need to do that,
initramfs-tools boots just fine with
root=/dev/disk/by-label/root
but even than that is quite easily done with some shell expansion,
see this example on uuid, label should be similar.
root=$(/usr/lib/klibc/bin/readlink
/dev/disk/by-uuid/225ee24e-8451-4f75-b444-9683c3403a99)
echo realroot="/dev/${root#../../}"
realroot=/dev/sda1
well if there is a real usecase i'd might hack an canocalise
in readlink from klibc-utils or accept a patch.
at the moment i'm a bit sceptic.. :)
best regards
--
maks
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