Make the ECKD compatible disk layout labling detection conditional to run only
on ECKD compatible disk layout volumes, do a fall back into the default
LNX/unlabled case otherwise.
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>