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path: root/drivers/ide/ide-io.c
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Diffstat (limited to 'drivers/ide/ide-io.c')
-rw-r--r--drivers/ide/ide-io.c43
1 files changed, 21 insertions, 22 deletions
diff --git a/drivers/ide/ide-io.c b/drivers/ide/ide-io.c
index 0e406d73b2c8..177db6d5b2f5 100644
--- a/drivers/ide/ide-io.c
+++ b/drivers/ide/ide-io.c
@@ -430,6 +430,26 @@ static inline void ide_unlock_host(struct ide_host *host)
430 } 430 }
431} 431}
432 432
433static void __ide_requeue_and_plug(struct request_queue *q, struct request *rq)
434{
435 if (rq)
436 blk_requeue_request(q, rq);
437 if (rq || blk_peek_request(q)) {
438 /* Use 3ms as that was the old plug delay */
439 blk_delay_queue(q, 3);
440 }
441}
442
443void ide_requeue_and_plug(ide_drive_t *drive, struct request *rq)
444{
445 struct request_queue *q = drive->queue;
446 unsigned long flags;
447
448 spin_lock_irqsave(q->queue_lock, flags);
449 __ide_requeue_and_plug(q, rq);
450 spin_unlock_irqrestore(q->queue_lock, flags);
451}
452
433/* 453/*
434 * Issue a new request to a device. 454 * Issue a new request to a device.
435 */ 455 */
@@ -550,28 +570,7 @@ plug_device:
550 ide_unlock_host(host); 570 ide_unlock_host(host);
551plug_device_2: 571plug_device_2:
552 spin_lock_irq(q->queue_lock); 572 spin_lock_irq(q->queue_lock);
553 573 __ide_requeue_and_plug(q, rq);
554 if (rq) {
555 blk_requeue_request(q, rq);
556 blk_delay_queue(q, queue_run_ms);
557 }
558}
559
560void ide_requeue_and_plug(ide_drive_t *drive, struct request *rq)
561{
562 struct request_queue *q = drive->queue;
563 unsigned long flags;
564
565 spin_lock_irqsave(q->queue_lock, flags);
566
567 if (rq)
568 blk_requeue_request(q, rq);
569
570 spin_unlock_irqrestore(q->queue_lock, flags);
571
572 /* Use 3ms as that was the old plug delay */
573 if (rq)
574 blk_delay_queue(q, 3);
575} 574}
576 575
577static int drive_is_ready(ide_drive_t *drive) 576static int drive_is_ready(ide_drive_t *drive)