[linux-lvm] bug in lvm tools 0.8i, 0.8final

[Ryan Murray]

I've just come across a bug in lvm tools when not using /proc/partitions.

lvm_add_dir_cache adds an entry, but checks for duplicates with
lvm_dir_cache_hit.  The problem is simple:

lrwxrwxrwx    1 root     root            9 May  8  1999 /dev/cdrom -> /dev/hdd

If you have that symbolic link around, it will show up in the cache as
/dev/cdrom, so if you try to pvcreate /dev/hdd, /dev/hdd never makes it
into the cache.

Either the duplicate mechanism should be taken out, or ignore symlinks
and have things that check the cache dereference the symlinks...

-- 
Ryan Murray, (rmurray at cyberhqz.com, rmurray at stormix.com)
Programmer, Stormix Technologies Inc.
The opinions expressed here are my own.
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