[S390] dasd: add dynamic pav toleration
For base Parallel Access Volume (PAV) there is a fixed mapping of
base and alias devices. With dynamic PAV this mapping can be changed
so that an alias device is used with another base device.
This patch enables the DASD device driver to tolerate dynamic PAV
changes.
Signed-off-by: Stefan Haberland <stefan.haberland@de.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
diff --git a/drivers/s390/block/dasd_alias.c b/drivers/s390/block/dasd_alias.c
index 8c48142..a564b99 100644
--- a/drivers/s390/block/dasd_alias.c
+++ b/drivers/s390/block/dasd_alias.c
@@ -642,6 +642,14 @@
return rc;
}
+int dasd_alias_update_add_device(struct dasd_device *device)
+{
+ struct dasd_eckd_private *private;
+ private = (struct dasd_eckd_private *) device->private;
+ private->lcu->flags |= UPDATE_PENDING;
+ return dasd_alias_add_device(device);
+}
+
int dasd_alias_remove_device(struct dasd_device *device)
{
struct dasd_eckd_private *private;