1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/scsi/st.h b/drivers/scsi/st.h
index 544dc6b1f548..f91a67c6d968 100644
--- a/drivers/scsi/st.h
+++ b/drivers/scsi/st.h
@@ -46,6 +46,7 @@ struct st_buffer {
         struct st_request *last_SRpnt;
         struct st_cmdstatus cmdstat;
         struct page **reserved_pages;
+        int reserved_page_order;
         struct page **mapped_pages;
         struct rq_map_data map_data;
         unsigned char *b_data;