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path: root/drivers/s390/char/tape.h
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Diffstat (limited to 'drivers/s390/char/tape.h')
-rw-r--r--drivers/s390/char/tape.h9
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/s390/char/tape.h b/drivers/s390/char/tape.h
index a26333774701..7a242f073632 100644
--- a/drivers/s390/char/tape.h
+++ b/drivers/s390/char/tape.h
@@ -212,6 +212,9 @@ struct tape_device {
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;
@@ -292,9 +295,9 @@ extern int tape_generic_pm_suspend(struct ccw_device *);
extern int tape_generic_probe(struct ccw_device *);
extern void tape_generic_remove(struct ccw_device *);
-extern struct tape_device *tape_get_device(int devindex);
-extern struct tape_device *tape_get_device_reference(struct tape_device *);
-extern struct tape_device *tape_put_device(struct tape_device *);
+extern struct tape_device *tape_find_device(int devindex);
+extern struct tape_device *tape_get_device(struct tape_device *);
+extern void tape_put_device(struct tape_device *);
/* Externals from tape_char.c */
extern int tapechar_init(void);