[SCSI] st: remove unused frp_sg_current
FUJITA Tomonori [Thu, 18 Dec 2008 05:49:49 +0000 (14:49 +0900)]
frp_sg_current in struct st_buffer is always zero. We don't need it.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Acked-by: Kai Makisara <Kai.Makisara@kolumbus.fi>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>

drivers/scsi/st.c
drivers/scsi/st.h

index 50dbe14..fe4c202 100644 (file)
@@ -1524,7 +1524,6 @@ static int setup_buffering(struct scsi_tape *STp, const char __user *buf,
                else
                        STbp->do_dio = 0;  /* fall back to buffering with any error */
                STbp->sg_segs = STbp->do_dio;
-               STbp->frp_sg_current = 0;
                DEB(
                     if (STbp->do_dio) {
                        STp->nbr_dio++;
@@ -3844,7 +3843,6 @@ static void normalize_buffer(struct st_buffer * STbuffer)
                STbuffer->buffer_size -= (PAGE_SIZE << order);
        }
        STbuffer->frp_segs = 0;
-       STbuffer->frp_sg_current = 0;
        STbuffer->sg_segs = 0;
        STbuffer->map_data.page_order = 0;
        STbuffer->map_data.offset = 0;
index e682f80..544dc6b 100644 (file)
@@ -52,7 +52,6 @@ struct st_buffer {
        unsigned short use_sg;  /* zero or max number of s/g segments for this adapter */
        unsigned short sg_segs;         /* number of segments in s/g list */
        unsigned short frp_segs;        /* number of buffer segments */
-       unsigned int frp_sg_current;    /* driver buffer length currently in s/g list */
 };
 
 /* The tape mode definition */