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authorStefan Haberland <stefan.haberland@de.ibm.com>2009-06-22 12:08:17 +0200
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2009-06-22 12:08:22 +0200
commite6125fba81e362d9b314d10893af1d9dc5658f33 (patch)
tree74039b088fc81e72e7976c5fca6ea0174eed9160 /drivers/s390/block/dasd.c
parent772f54720ab82a6e88f0a8a84d76e7af15ca1f0c (diff)
[S390] dasd_pm: fix stop flag handling
The stop flags are handled in the generic restore function so the stop flag is removed also for FBA and DIAG devices. Signed-off-by: Stefan Haberland <stefan.haberland@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'drivers/s390/block/dasd.c')
-rw-r--r--drivers/s390/block/dasd.c12
1 files changed, 11 insertions, 1 deletions
diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c
index e5b84db0aa0..99e71536213 100644
--- a/drivers/s390/block/dasd.c
+++ b/drivers/s390/block/dasd.c
@@ -2503,15 +2503,25 @@ int dasd_generic_restore_device(struct ccw_device *cdev)
if (IS_ERR(device))
return PTR_ERR(device);
+ /* allow new IO again */
+ device->stopped &= ~DASD_STOPPED_PM;
+ device->stopped &= ~DASD_UNRESUMED_PM;
+
dasd_schedule_device_bh(device);
if (device->block)
dasd_schedule_block_bh(device->block);
if (device->discipline->restore)
rc = device->discipline->restore(device);
+ if (rc)
+ /*
+ * if the resume failed for the DASD we put it in
+ * an UNRESUMED stop state
+ */
+ device->stopped |= DASD_UNRESUMED_PM;
dasd_put_device(device);
- return rc;
+ return 0;
}
EXPORT_SYMBOL_GPL(dasd_generic_restore_device);