diff options
| -rw-r--r-- | drivers/ide/ide-tape.c | 40 |
1 files changed, 0 insertions, 40 deletions
diff --git a/drivers/ide/ide-tape.c b/drivers/ide/ide-tape.c index 25ffcbffb02..cbba475ebc5 100644 --- a/drivers/ide/ide-tape.c +++ b/drivers/ide/ide-tape.c @@ -692,41 +692,6 @@ static void idetape_kfree_stage(idetape_tape_t *tape, idetape_stage_t *stage) } /* - * Remove tape->first_stage from the pipeline. The caller should avoid race - * conditions. - */ -static void idetape_remove_stage_head(ide_drive_t *drive) -{ - idetape_tape_t *tape = drive->driver_data; - idetape_stage_t *stage; - - debug_log(DBG_PROCS, "Enter %s\n", __func__); - - if (tape->first_stage == NULL) { - printk(KERN_ERR "ide-tape: bug: tape->first_stage is NULL\n"); - return; - } - if (tape->active_stage == tape->first_stage) { - printk(KERN_ERR "ide-tape: bug: Trying to free our active " - "pipeline stage\n"); - return; - } - stage = tape->first_stage; - tape->first_stage = stage->next; - idetape_kfree_stage(tape, stage); - tape->nr_stages--; - if (tape->first_stage == NULL) { - tape->last_stage = NULL; - if (tape->next_stage != NULL) - printk(KERN_ERR "ide-tape: bug: tape->next_stage !=" - " NULL\n"); - if (tape->nr_stages) - printk(KERN_ERR "ide-tape: bug: nr_stages should be 0 " - "now\n"); - } -} - -/* * This will free all the pipeline stages starting from new_last_stage->next * to the end of the list, and point tape->last_stage to new_last_stage. */ @@ -762,7 +727,6 @@ static int idetape_end_request(ide_drive_t *drive, int uptodate, int nr_sects) idetape_tape_t *tape = drive->driver_data; unsigned long flags; int error; - int remove_stage = 0; idetape_stage_t *active_stage; debug_log(DBG_PROCS, "Enter %s\n", __func__); @@ -790,7 +754,6 @@ static int idetape_end_request(ide_drive_t *drive, int uptodate, int nr_sects) tape->active_data_rq = NULL; tape->nr_pending_stages--; if (rq->cmd[0] & REQ_IDETAPE_WRITE) { - remove_stage = 1; if (error) { set_bit(IDETAPE_FLAG_PIPELINE_ERR, &tape->flags); @@ -831,8 +794,6 @@ static int idetape_end_request(ide_drive_t *drive, int uptodate, int nr_sects) } ide_end_drive_cmd(drive, 0, 0); - if (remove_stage) - idetape_remove_stage_head(drive); if (tape->active_data_rq == NULL) clear_bit(IDETAPE_FLAG_PIPELINE_ACTIVE, &tape->flags); spin_unlock_irqrestore(&tape->lock, flags); @@ -1914,7 +1875,6 @@ static int __idetape_discard_read_pipeline(ide_drive_t *drive) cnt += rq_ptr->nr_sectors - rq_ptr->current_nr_sectors; if (rq_ptr->errors == IDETAPE_ERROR_FILEMARK) ++cnt; - idetape_remove_stage_head(drive); } tape->nr_pending_stages = 0; tape->max_stages = tape->min_pipeline; |