1 files changed, 9 insertions, 3 deletions

diff --git a/include/scsi/scsi_device.h b/include/scsi/scsi_device.h
index 85cfd88461c8..e94ca4d36035 100644
--- a/include/scsi/scsi_device.h
+++ b/include/scsi/scsi_device.h
@@ -79,9 +79,9 @@ struct scsi_device {
         char inq_periph_qual;   /* PQ from INQUIRY data */      
         unsigned char inquiry_len;      /* valid bytes in 'inquiry' */
         unsigned char * inquiry;        /* INQUIRY response data */
-        char * vendor;          /* [back_compat] point into 'inquiry' ... */
-        char * model;           /* ... after scan; point to static string */
-        char * rev;             /* ... "nullnullnullnull" before scan */
+        const char * vendor;            /* [back_compat] point into 'inquiry' ... */
+        const char * model;             /* ... after scan; point to static string */
+        const char * rev;               /* ... "nullnullnullnull" before scan */
         unsigned char current_tag;      /* current tag */
         struct scsi_target      *sdev_target;   /* used only for single_lun */
 
@@ -274,6 +274,12 @@ extern int scsi_execute(struct scsi_device *sdev, const unsigned char *cmd,
 extern int scsi_execute_req(struct scsi_device *sdev, const unsigned char *cmd,
                             int data_direction, void *buffer, unsigned bufflen,
                             struct scsi_sense_hdr *, int timeout, int retries);
+extern int scsi_execute_async(struct scsi_device *sdev,
+                              const unsigned char *cmd, int data_direction,
+                              void *buffer, unsigned bufflen, int use_sg,
+                              int timeout, int retries, void *privdata,
+                              void (*done)(void *, char *, int, int),
+                              gfp_t gfp);
 
 static inline unsigned int sdev_channel(struct scsi_device *sdev)
 {