[S390] tape: remove BKL from tape driver
Replace BLK with a per device mutex.
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
diff --git a/drivers/s390/char/tape.h b/drivers/s390/char/tape.h
index fbe41e0..7a242f0 100644
--- a/drivers/s390/char/tape.h
+++ b/drivers/s390/char/tape.h
@@ -212,6 +212,9 @@
struct tape_class_device * nt;
struct tape_class_device * rt;
+ /* Device mutex to serialize tape commands. */
+ struct mutex mutex;
+
/* Device discipline information. */
struct tape_discipline * discipline;
void * discdata;