s390/cio: export vpm via sysfs

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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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Sebastian Ott 2013-01-28 19:32:27 +01:00 • committed by Martin Schwidefsky

parent e6a0b7c90f

commit 84c57ad5d9

1 changed files with 10 additions and 0 deletions

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drivers/s390/cio/device.c

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