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authorStefan Haberland <stefan.haberland@de.ibm.com>2011-10-30 15:17:09 +0100
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2011-10-30 15:16:45 +0100
commitc8d1c0ff840bbf06c60ff4235202a4b1457d8f59 (patch)
treeb183231aa76a1268141c68cf8566f9e07915800b /drivers/s390/block/dasd.c
parent6ffed94ea73c0c15e3201d4d479b6efe8343fb96 (diff)
[S390] dasd: prevent path verification before resume
Mark the device as suspended and delay execution of the path verification worker to prevent mix-up. 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.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c
index ce2a780a9ea..65894f05a80 100644
--- a/drivers/s390/block/dasd.c
+++ b/drivers/s390/block/dasd.c
@@ -3289,6 +3289,9 @@ int dasd_generic_pm_freeze(struct ccw_device *cdev)
if (IS_ERR(device))
return PTR_ERR(device);
+ /* mark device as suspended */
+ set_bit(DASD_FLAG_SUSPENDED, &device->flags);
+
if (device->discipline->freeze)
rc = device->discipline->freeze(device);
@@ -3363,6 +3366,7 @@ int dasd_generic_restore_device(struct ccw_device *cdev)
if (device->block)
dasd_schedule_block_bh(device->block);
+ clear_bit(DASD_FLAG_SUSPENDED, &device->flags);
dasd_put_device(device);
return 0;
}