1 files changed, 6 insertions, 0 deletions

diff --git a/include/scsi/scsi_dh.h b/include/scsi/scsi_dh.h
index e3f2db212ddc..620c723ee8ed 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 *, activate_complete, void *);
 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 const char *scsi_dh_attached_handler_name(struct request_queue *, gfp_t);
 extern int scsi_dh_set_params(struct request_queue *, const char *);
 #else
 static inline int scsi_dh_activate(struct request_queue *req,
@@ -80,6 +81,11 @@ static inline void scsi_dh_detach(struct request_queue *q)
 {
         return;
 }
+static inline const char *scsi_dh_attached_handler_name(struct request_queue *q,
+                                                        gfp_t gfp)
+{
+        return NULL;
+}
 static inline int scsi_dh_set_params(struct request_queue *req, const char *params)
 {
         return -SCSI_DH_NOSYS;