1 files changed, 6 insertions, 0 deletions

diff --git a/include/scsi/scsi_cmnd.h b/include/scsi/scsi_cmnd.h
index 9be0128bf303..377df4a28512 100644
--- a/include/scsi/scsi_cmnd.h
+++ b/include/scsi/scsi_cmnd.h
@@ -10,6 +10,7 @@
 
 struct Scsi_Host;
 struct scsi_device;
+struct scsi_driver;
 
 /*
  * MAX_COMMAND_SIZE is:
@@ -131,6 +132,11 @@ struct scsi_cmnd {
         unsigned char tag;      /* SCSI-II queued command tag */
 };
 
+static inline struct scsi_driver *scsi_cmd_to_driver(struct scsi_cmnd *cmd)
+{
+        return *(struct scsi_driver **)cmd->request->rq_disk->private_data;
+}
+
 extern struct scsi_cmnd *scsi_get_command(struct scsi_device *, gfp_t);
 extern struct scsi_cmnd *__scsi_get_command(struct Scsi_Host *, gfp_t);
 extern void scsi_put_command(struct scsi_cmnd *);