char *b_data;
        int b_count;
 
-       /* Pipeline parameters. */
-       int pages_per_stage;
+       int pages_per_buffer;
        /* Wasted space in each stage */
        int excess_bh_size;
 
 {
        idetape_stage_t *stage;
        struct idetape_bh *prev_bh, *bh;
-       int pages = tape->pages_per_stage;
+       int pages = tape->pages_per_buffer;
        unsigned int order, b_allocd;
        char *b_data = NULL;
 
                tape->buffer_size = *ctl * tape->blk_size;
        }
        buffer_size = tape->buffer_size;
-       tape->pages_per_stage = buffer_size / PAGE_SIZE;
+       tape->pages_per_buffer = buffer_size / PAGE_SIZE;
        if (buffer_size % PAGE_SIZE) {
-               tape->pages_per_stage++;
+               tape->pages_per_buffer++;
                tape->excess_bh_size = PAGE_SIZE - buffer_size % PAGE_SIZE;
        }