This removes unused buf_to_sg() that the non-dio path used.
Signed-off-by: FUJITA Tomonori <fujita.tomonori@xxxxxxxxxxxxx>
---
drivers/scsi/st.c | 29 -----------------------------
1 files changed, 0 insertions(+), 29 deletions(-)
diff --git a/drivers/scsi/st.c b/drivers/scsi/st.c
index 80b1c25..40c1305 100644
--- a/drivers/scsi/st.c
+++ b/drivers/scsi/st.c
@@ -189,7 +189,6 @@ static void normalize_buffer(struct st_buffer *);
static int append_to_buffer(const char __user *, struct st_buffer *, int);
static int from_buffer(struct st_buffer *, char __user *, int);
static void move_buffer_data(struct st_buffer *, int);
-static void buf_to_sg(struct st_buffer *, unsigned int);
static int sgl_map_user_pages(struct st_buffer *, const unsigned int,
unsigned long, size_t, int);
@@ -554,8 +553,6 @@ st_do_scsi(struct st_request * SRpnt, struct scsi_tape * STp, unsigned char *cmd
mdata->nr_entries = STp->buffer->sg_segs;
mdata->pages = STp->buffer->mapped_pages;
} else {
- buf_to_sg(STp->buffer, bytes);
-
mdata->nr_entries =
DIV_ROUND_UP(bytes, PAGE_SIZE << mdata->page_order);
STp->buffer->map_data.pages = STp->buffer->reserved_pages;
@@ -3963,32 +3960,6 @@ static void move_buffer_data(struct st_buffer * st_bp, int offset)
}
}
-
-/* Fill the s/g list up to the length required for this transfer */
-static void buf_to_sg(struct st_buffer *STbp, unsigned int length)
-{
- int i;
- unsigned int count;
- struct scatterlist *sg;
- struct st_buf_fragment *frp;
-
- if (length == STbp->frp_sg_current)
- return; /* work already done */
-
- sg = &(STbp->sg[0]);
- frp = STbp->frp;
- for (i=count=0; count < length; i++) {
- if (length - count > frp[i].length)
- sg_set_page(&sg[i], frp[i].page, frp[i].length, 0);
- else
- sg_set_page(&sg[i], frp[i].page, length - count, 0);
- count += sg[i].length;
- }
- STbp->sg_segs = i;
- STbp->frp_sg_current = length;
-}
-
-
/* Validate the options from command line or module parameters */
static void validate_options(void)
{
--
1.5.6.5
--
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