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[SCSI] st: remove unused frp_sg_current 

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>
This commit is contained in:
FUJITA Tomonori 2008-12-18 14:49:49 +09:00 committed by James Bottomley
parent 1ac63cf5c0
commit edf69c58c7
2 changed files with 0 additions and 3 deletions
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2
drivers/scsi/st.c
View 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;

1
drivers/scsi/st.h
View 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 */