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s390/dasd: fix hanging devices after path events
author
Stefan Haberland
<stefan.haberland@de.ibm.com>
Tue, 30 Jul 2013 08:49:43 +0000
(10:49 +0200)
committer
Martin Schwidefsky
<schwidefsky@de.ibm.com>
Tue, 30 Jul 2013 14:17:25 +0000
(16:17 +0200)
The processing of the dasd_block tasklet may have been interrupted
by a path event.
Restart the dasd tasklets in sleep_on_immediately function.
Signed-off-by: Stefan Haberland <stefan.haberland@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
drivers/s390/block/dasd.c
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diff --git
a/drivers/s390/block/dasd.c
b/drivers/s390/block/dasd.c
index
17150a7
..
451bf99
100644
(file)
--- a/
drivers/s390/block/dasd.c
+++ b/
drivers/s390/block/dasd.c
@@
-2392,6
+2392,12
@@
int dasd_sleep_on_immediatly(struct dasd_ccw_req *cqr)
rc = cqr->intrc;
else
rc = -EIO;
+
+ /* kick tasklets */
+ dasd_schedule_device_bh(device);
+ if (device->block)
+ dasd_schedule_block_bh(device->block);
+
return rc;
}