diff options
Diffstat (limited to 'drivers/s390/char/tape.h')
| -rw-r--r-- | drivers/s390/char/tape.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/s390/char/tape.h b/drivers/s390/char/tape.h index fbe41e0377b8..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; |