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Diffstat (limited to 'drivers/s390/block/dasd_int.h')
-rw-r--r--drivers/s390/block/dasd_int.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/s390/block/dasd_int.h b/drivers/s390/block/dasd_int.h
index e4c2143dabf6..a91d4a97d4f2 100644
--- a/drivers/s390/block/dasd_int.h
+++ b/drivers/s390/block/dasd_int.h
@@ -368,6 +368,7 @@ struct dasd_device {
/* Device state and target state. */
int state, target;
+ struct mutex state_mutex;
int stopped; /* device (ccw_device_start) was stopped */
/* reference count. */
@@ -435,6 +436,10 @@ struct dasd_block {
#define DASD_FLAG_OFFLINE 3 /* device is in offline processing */
#define DASD_FLAG_EER_SNSS 4 /* A SNSS is required */
#define DASD_FLAG_EER_IN_USE 5 /* A SNSS request is running */
+#define DASD_FLAG_DEVICE_RO 6 /* The device itself is read-only. Don't
+ * confuse this with the user specified
+ * read-only feature.
+ */
void dasd_put_device_wake(struct dasd_device *);
@@ -608,6 +613,9 @@ char *dasd_get_sense(struct irb *);
void dasd_device_set_stop_bits(struct dasd_device *, int);
void dasd_device_remove_stop_bits(struct dasd_device *, int);
+int dasd_device_is_ro(struct dasd_device *);
+
+
/* externals in dasd_devmap.c */
extern int dasd_max_devindex;
extern int dasd_probeonly;