1623 	ssize_t i, do_count, blks, transfer;  in st_write()  local
1726 			do_count = count;  in st_write()
1730 				do_count = count;  in st_write()
1732 				do_count = STbp->buffer_blocks * STp->block_size -  in st_write()
1734 				if (do_count > count)  in st_write()
1735 					do_count = count;  in st_write()
1738 			i = append_to_buffer(b_point, STbp, do_count);  in st_write()
1744 		count -= do_count;  in st_write()
1745 		b_point += do_count;  in st_write()
1761 			blks = transfer = do_count;  in st_write()
1766 				blks = do_count;  in st_write()
1805 				if (undone <= do_count) {  in st_write()
1809 					do_count -= undone;  in st_write()
1844 						count -= do_count;  in st_write()
1845 						blks = do_count = 0;  in st_write()
1854 				count += do_count;  in st_write()
1863 				STps->drv_block += (do_count > 0);  in st_write()
3997 static int append_to_buffer(const char __user *ubp, struct st_buffer * st_bp, int do_count)  in append_to_buffer()  argument
4009 	for (; i < st_bp->frp_segs && do_count > 0; i++) {  in append_to_buffer()
4011 		cnt = length - offset < do_count ? length - offset : do_count;  in append_to_buffer()
4015 		do_count -= cnt;  in append_to_buffer()
4020 	if (do_count) /* Should never happen */  in append_to_buffer()
4029 static int from_buffer(struct st_buffer * st_bp, char __user *ubp, int do_count)  in from_buffer()  argument
4041 	for (; i < st_bp->frp_segs && do_count > 0; i++) {  in from_buffer()
4043 		cnt = length - offset < do_count ? length - offset : do_count;  in from_buffer()
4047 		do_count -= cnt;  in from_buffer()
4053 	if (do_count) /* Should never happen */  in from_buffer()