diff options
| author | Sebastian Ott <sebott@linux.vnet.ibm.com> | 2017-09-14 13:55:22 +0200 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2017-09-19 08:36:19 +0200 |
| commit | 55fb7347579017bdb09550b4e8019447340b7004 (patch) | |
| tree | ae905589218938dd40ac2c68f35942a93833038e /drivers/s390/cio/device.h | |
| parent | s390/scm_blk: consistently use blk_status_t as error type (diff) | |
| download | linux-55fb7347579017bdb09550b4e8019447340b7004.tar.xz linux-55fb7347579017bdb09550b4e8019447340b7004.zip | |
s390/cio: recover from bad paths
In some situations we don't receive notification from firmware that
a previously unusable channelpath is usable again.
Schedule recovery for devices that return from path verification
without using all potentially usable paths. The recovery thread will
periodically trigger a path verification on the affected devices.
Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Suggested-by: Peter Oberparleiter <oberpar@linux.vnet.ibm.com>
Reviewed-by: Peter Oberparleiter <oberpar@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'drivers/s390/cio/device.h')
| -rw-r--r-- | drivers/s390/cio/device.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/s390/cio/device.h b/drivers/s390/cio/device.h index ec497af99dd8..69cb70f080a5 100644 --- a/drivers/s390/cio/device.h +++ b/drivers/s390/cio/device.h @@ -134,6 +134,7 @@ void ccw_device_set_disconnected(struct ccw_device *cdev); void ccw_device_set_notoper(struct ccw_device *cdev); void ccw_device_set_timeout(struct ccw_device *, int); +void ccw_device_schedule_recovery(void); /* Channel measurement facility related */ void retry_set_schib(struct ccw_device *cdev); |