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(parent: 4257aae) | patch
[S390] cio: split PGID settings and status
authorPeter Oberparleiter <peter.oberparleiter@de.ibm.com>
Mon, 7 Dec 2009 11:51:30 +0000 (12:51 +0100)
committerMartin Schwidefsky <sky@mschwide.boeblingen.de.ibm.com>
Mon, 7 Dec 2009 11:51:31 +0000 (12:51 +0100)
commit454e1fa1ebae7cff707b2e3f12b775c263c8408b
treeeab290fcacd6faaf7e01e3a637cb9678bb367c66tree | snapshot
parent4257aaecffab77bad43e12057f56a5590b360f9fcommit | diff
[S390] cio: split PGID settings and status

Split setting (driver wants feature enabled) and status (feature
setup was successful) for PGID related ccw device features so that
setup errors can be detected. Previously, incorrectly handled setup
errors could in rare cases lead to erratic I/O behavior and
permanently unusuable devices.

Signed-off-by: Peter Oberparleiter <peter.oberparleiter@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
arch/s390/include/asm/ccwdev.h diff | blob | history
drivers/s390/block/dasd.c diff | blob | history
drivers/s390/block/dasd_eckd.c diff | blob | history
drivers/s390/char/tape_core.c diff | blob | history
drivers/s390/cio/device_fsm.c diff | blob | history
drivers/s390/cio/device_ops.c diff | blob | history
drivers/s390/cio/device_pgid.c diff | blob | history
drivers/s390/cio/io_sch.h diff | blob | history
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