- while (tape->first_stage != NULL) {
- if (count == mt_count) {
- if (mt_op == MTFSFM)
- set_bit(IDETAPE_FLAG_FILEMARK,
- &tape->flags);
- return 0;
- }
- spin_lock_irqsave(&tape->lock, flags);
- if (tape->first_stage == tape->active_stage) {
- /*
- * We have reached the active stage in the read
- * pipeline. There is no point in allowing the
- * drive to continue reading any farther, so we
- * stop the pipeline.
- *
- * This section should be moved to a separate
- * subroutine because similar operations are
- * done in __idetape_discard_read_pipeline(),
- * for example.
- */
- tape->next_stage = NULL;
- spin_unlock_irqrestore(&tape->lock, flags);
- idetape_wait_first_stage(drive);
- tape->next_stage = tape->first_stage->next;
- } else
- spin_unlock_irqrestore(&tape->lock, flags);
- if (tape->first_stage->rq.errors ==
- IDETAPE_ERROR_FILEMARK)
- ++count;
- idetape_remove_stage_head(drive);
- }