s390/blacklist: Perform subchannel scan only when needed
authorPeter Oberparleiter <oberpar@linux.vnet.ibm.com>
Tue, 26 Nov 2013 14:00:37 +0000 (15:00 +0100)
committerMartin Schwidefsky <schwidefsky@de.ibm.com>
Mon, 16 Dec 2013 13:37:43 +0000 (14:37 +0100)
Move scheduling of a subchannel scan to those instances where new
devices may actually have become available. This reduces unnecessary
scan work in case devices were added to the blacklist.

Signed-off-by: Peter Oberparleiter <oberpar@linux.vnet.ibm.com>
Reviewed-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
drivers/s390/cio/blacklist.c

Simple merge