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-rw-r--r--include/scsi/scsi_device.h1
-rw-r--r--include/scsi/scsi_dh.h5
2 files changed, 6 insertions, 0 deletions
diff --git a/include/scsi/scsi_device.h b/include/scsi/scsi_device.h
index 1f3a4c8044c..9af48cbf003 100644
--- a/include/scsi/scsi_device.h
+++ b/include/scsi/scsi_device.h
@@ -187,6 +187,7 @@ struct scsi_device_handler {
void (*detach)(struct scsi_device *);
int (*activate)(struct scsi_device *);
int (*prep_fn)(struct scsi_device *, struct request *);
+ int (*set_params)(struct scsi_device *, const char *);
};
struct scsi_dh_data {
diff --git a/include/scsi/scsi_dh.h b/include/scsi/scsi_dh.h
index 33efce20c26..ff2407405b4 100644
--- a/include/scsi/scsi_dh.h
+++ b/include/scsi/scsi_dh.h
@@ -60,6 +60,7 @@ extern int scsi_dh_activate(struct request_queue *);
extern int scsi_dh_handler_exist(const char *);
extern int scsi_dh_attach(struct request_queue *, const char *);
extern void scsi_dh_detach(struct request_queue *);
+extern int scsi_dh_set_params(struct request_queue *, const char *);
#else
static inline int scsi_dh_activate(struct request_queue *req)
{
@@ -77,4 +78,8 @@ static inline void scsi_dh_detach(struct request_queue *q)
{
return;
}
+static inline int scsi_dh_set_params(struct request_queue *req, const char *params)
+{
+ return -SCSI_DH_NOSYS;
+}
#endif