From: Peter Oberparleiter <peter.oberparleiter@de.ibm.com>
Date: Mon, 7 Dec 2009 11:51:30 +0000 (+0100)
Subject: [S390] cio: split PGID settings and status
X-Git-Tag: v2.6.33-rc1~349^2~55
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=454e1fa1ebae7cff707b2e3f12b775c263c8408b;p=pandora-kernel.git

[S390] cio: split PGID settings and status

Split setting (driver wants feature enabled) and status (feature
setup was successful) for PGID related ccw device features so that
setup errors can be detected. Previously, incorrectly handled setup
errors could in rare cases lead to erratic I/O behavior and
permanently unusuable devices.

Signed-off-by: Peter Oberparleiter <peter.oberparleiter@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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