From: Sebastian Ott <sebott@linux.vnet.ibm.com>
Date: Mon, 28 Jan 2013 18:29:43 +0000 (+0100)
Subject: s390/cio: dont abort verification after missing irq
X-Git-Tag: v3.9-rc1~111^2~31
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=69f5576f6c8c9d0f0b3670ee7c807a194b4c40f4;p=pandora-kernel.git

s390/cio: dont abort verification after missing irq

Do not abort path verification when waiting for an interrupt timed out.
Use path_noirq_mask to keep track of the paths used for this (also
maintain a path_notoper_mask for debugging purposes). If the timeout
happend to be during an operation where we query or alter the state of
path groups set the pgid_unknown flag.

With this change we allow usage of devices which have such ill-behaved
paths (if at least one path is operational).

Reviewed-by: Peter Oberparleiter <peter.oberparleiter@de.ibm.com>
Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
---

Reading git-diff-tree failed