From: Stefan Haberland <stefan.haberland@de.ibm.com>
Date: Tue, 27 Dec 2011 10:27:27 +0000 (+0100)
Subject: [S390] dasd: add sanity check to detect path connection error
X-Git-Tag: v3.3-rc1~157^2~5
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b206181d636d416fde48c7f493d7ac5d935b57e3;p=pandora-kernel.git

[S390] dasd: add sanity check to detect path connection error

Prevents possible data corruption by detecting cabling error.
Therefor read and compare the UID for all available channel paths.

Signed-off-by: Stefan Haberland <stefan.haberland@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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