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authorStefan Haberland <stefan.haberland@de.ibm.com>2013-02-19 09:30:05 +0100
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2013-02-28 09:37:07 +0100
commitea4da6eae393dbbb26800700a38cf1b32c9109fd (patch)
tree8acb543e8e02901269729a826ff4c5bd093f8768 /drivers/s390
parent17ea345a474925ad0da2ad5a8791cd5443301667 (diff)
downloadop-kernel-dev-ea4da6eae393dbbb26800700a38cf1b32c9109fd.zip
op-kernel-dev-ea4da6eae393dbbb26800700a38cf1b32c9109fd.tar.gz
s390/dasd: fix unresponsive device after all channel paths were lost
Failfast bit was set incorrectly. Use set_bit to enable failfast. Reviewed-by: Stefan Weinhuber <wein@de.ibm.com> Signed-off-by: Stefan Haberland <stefan.haberland@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'drivers/s390')
-rw-r--r--drivers/s390/block/dasd_eckd.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/s390/block/dasd_eckd.c b/drivers/s390/block/dasd_eckd.c
index 33f26bf..6999fd9 100644
--- a/drivers/s390/block/dasd_eckd.c
+++ b/drivers/s390/block/dasd_eckd.c
@@ -1573,7 +1573,10 @@ static void dasd_eckd_do_validate_server(struct work_struct *work)
{
struct dasd_device *device = container_of(work, struct dasd_device,
kick_validate);
- if (dasd_eckd_validate_server(device, DASD_CQR_FLAGS_FAILFAST)
+ unsigned long flags = 0;
+
+ set_bit(DASD_CQR_FLAGS_FAILFAST, &flags);
+ if (dasd_eckd_validate_server(device, flags)
== -EAGAIN) {
/* schedule worker again if failed */
schedule_work(&device->kick_validate);
@@ -4157,6 +4160,7 @@ static int dasd_eckd_restore_device(struct dasd_device *device)
int rc;
struct dasd_uid temp_uid;
unsigned long flags;
+ unsigned long cqr_flags = 0;
private = (struct dasd_eckd_private *) device->private;
@@ -4178,7 +4182,9 @@ static int dasd_eckd_restore_device(struct dasd_device *device)
rc = dasd_alias_make_device_known_to_lcu(device);
if (rc)
return rc;
- dasd_eckd_validate_server(device, DASD_CQR_FLAGS_FAILFAST);
+
+ set_bit(DASD_CQR_FLAGS_FAILFAST, &cqr_flags);
+ dasd_eckd_validate_server(device, cqr_flags);
/* RE-Read Configuration Data */
dasd_eckd_read_conf(device);
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