tree a16bfed7f9871eba623f50b40605b22546f77534
parent e6a0b7c90f9f2663f470bbfaf83afcf52f8459e8
author Sebastian Ott <sebott@linux.vnet.ibm.com> 1359397947 +0100
committer Martin Schwidefsky <schwidefsky@de.ibm.com> 1360853708 +0100

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>