OERV-BSP/kernel-eswin-eic7700
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[S390] dasd: do path verification for paths added at runtime

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When a new path is added at runtime, the CIO layer will call the drivers
path_event callback. The DASD device driver uses this callback to trigger
a path verification for the new path. The driver will use only those
paths for I/O, which have been successfully verified.

Signed-off-by: Stefan Weinhuber <wein@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Stefan Weinhuber
2011-01-05 12:48:03 +01:00
committed by Martin Schwidefsky
parent ef19298b40
commit a4d26c6aec
9 changed files with 418 additions and 100 deletions
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1
drivers/s390/block/dasd_devmap.c
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@@ -639,6 +639,7 @@ dasd_put_device_wake(struct dasd_device *device)
{
wake_up(&dasd_delete_wq);
}
EXPORT_SYMBOL_GPL(dasd_put_device_wake);
/*
* Return dasd_device structure associated with cdev.