]> git.itanic.dy.fi Git - linux-stable/commit
s390/dasd: enhance CUIR scope detection
authorStefan Haberland <stefan.haberland@de.ibm.com>
Fri, 7 Aug 2015 11:20:16 +0000 (13:20 +0200)
committerMartin Schwidefsky <schwidefsky@de.ibm.com>
Sun, 9 Aug 2015 19:08:10 +0000 (21:08 +0200)
commitb179b037e568a27ab3e8f5bedea1f4455aba7378
tree8341d133e4710adb347fb6f58351741af5c8e505
parent1eb38023ddb480276c6b75e0db6463c47251eb7b
s390/dasd: enhance CUIR scope detection

This patch adds an enhanced detection for control unit initiated
reconfiguration request scope.
The first approach assumed the scope of the reconfiguration request
to be restricted to the path on which the message was received.
The enhanced approach determines the full scope of the reconfiguration
request by evaluating additional path and device selection information
contained in the reconfiguration message.

Reviewed-by: Peter Oberparleiter <oberpar@linux.vnet.ibm.com>
Reviewed-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Stefan Haberland <stefan.haberland@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
drivers/s390/block/dasd_eckd.c
drivers/s390/block/dasd_eckd.h