From: Sebastian Ott <sebott@linux.vnet.ibm.com>
Date: Mon, 28 Jan 2013 18:32:27 +0000 (+0100)
Subject: s390/cio: export vpm via sysfs
X-Git-Tag: v3.9-rc1~111^2~29
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=84c57ad5d938ff28d85ac93b79c1f918a767a23e;p=pandora-kernel.git

s390/cio: export vpm via sysfs

Add new attribute "vpm" to the subchannel sysfs directory of I/O
subchannels. This attribute contains a path mask indicating which
channel paths were successfully verified to be usable for I/O.

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>
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