3373 	ssize_t		      i, do_count, blks, transfer;  in osst_write()  local
3575 		do_count = (STp->buffer)->buffer_blocks * STp->block_size -  in osst_write()
3577 		if (do_count > count)  in osst_write()
3578 			do_count = count;  in osst_write()
3580 		i = append_to_buffer(b_point, STp->buffer, do_count);  in osst_write()
3586 		blks = do_count / STp->block_size;  in osst_write()
3593 			if (transfer <= do_count) {  in osst_write()
3594 				*ppos += do_count - transfer;  in osst_write()
3595 				count -= do_count - transfer;  in osst_write()
3597 					STps->drv_block += (do_count - transfer) / STp->block_size;  in osst_write()
3632 		*ppos += do_count;  in osst_write()
3633 		b_point += do_count;  in osst_write()
3634 		count -= do_count;  in osst_write()
5431 static int append_to_buffer(const char __user *ubp, struct osst_buffer *st_bp, int do_count)  in append_to_buffer()  argument
5442 	for ( ; i < st_bp->sg_segs && do_count > 0; i++) {  in append_to_buffer()
5443 		cnt = st_bp->sg[i].length - offset < do_count ?  in append_to_buffer()
5444 		      st_bp->sg[i].length - offset : do_count;  in append_to_buffer()
5448 		do_count -= cnt;  in append_to_buffer()
5453 	if (do_count) {  /* Should never happen */  in append_to_buffer()
5455 		       do_count);  in append_to_buffer()
5464 static int from_buffer(struct osst_buffer *st_bp, char __user *ubp, int do_count)  in from_buffer()  argument
5475 	for ( ; i < st_bp->sg_segs && do_count > 0; i++) {  in from_buffer()
5476 		cnt = st_bp->sg[i].length - offset < do_count ?  in from_buffer()
5477 		      st_bp->sg[i].length - offset : do_count;  in from_buffer()
5481 		do_count -= cnt;  in from_buffer()
5487 	if (do_count) {  /* Should never happen */  in from_buffer()
5488 		printk(KERN_WARNING "osst :A: From_buffer overflow (left %d).\n", do_count);  in from_buffer()
5498 	int	i, offset, do_count, cnt;  in osst_zero_buffer_tail()  local
5507 	for (do_count = OS_DATA_SIZE - st_bp->buffer_bytes;  in osst_zero_buffer_tail()
5508 	     i < st_bp->sg_segs && do_count > 0; i++) {  in osst_zero_buffer_tail()
5509 		cnt = st_bp->sg[i].length - offset < do_count ?  in osst_zero_buffer_tail()
5510 		      st_bp->sg[i].length - offset : do_count ;  in osst_zero_buffer_tail()
5512 		do_count -= cnt;  in osst_zero_buffer_tail()
5515 	if (do_count) {  /* Should never happen */  in osst_zero_buffer_tail()
5516 		printk(KERN_WARNING "osst :A: Zero_buffer overflow (left %d).\n", do_count);  in osst_zero_buffer_tail()
5526 	int	i, cnt, do_count = OS_DATA_SIZE;  in osst_copy_to_buffer()  local
5528 	for (i = 0; i < st_bp->sg_segs && do_count > 0; i++) {  in osst_copy_to_buffer()
5529 		cnt = st_bp->sg[i].length < do_count ?  in osst_copy_to_buffer()
5530 		      st_bp->sg[i].length : do_count ;  in osst_copy_to_buffer()
5532 		do_count -= cnt;  in osst_copy_to_buffer()
5535 	if (do_count || i != st_bp->sg_segs-1) {  /* Should never happen */  in osst_copy_to_buffer()
5537 					 do_count, i);  in osst_copy_to_buffer()
5547 	int	i, cnt, do_count = OS_DATA_SIZE;  in osst_copy_from_buffer()  local
5549 	for (i = 0; i < st_bp->sg_segs && do_count > 0; i++) {  in osst_copy_from_buffer()
5550 		cnt = st_bp->sg[i].length < do_count ?  in osst_copy_from_buffer()
5551 		      st_bp->sg[i].length : do_count ;  in osst_copy_from_buffer()
5553 		do_count -= cnt;  in osst_copy_from_buffer()
5556 	if (do_count || i != st_bp->sg_segs-1) {  /* Should never happen */  in osst_copy_from_buffer()
5558 					 do_count, i);  in osst_copy_from_buffer()