ide: use __generic_unplug_device() in ide_do_drive_cmd() (take 2)

[firefly-linux-kernel-4.4.55.git] / drivers / ide / ide-io.c

diff --git a/drivers/ide/ide-io.c b/drivers/ide/ide-io.c
index 696525342e9a56977c1d2ac88d72497be5a7e866..1eb3f5cce556194580c69951816e0cc968bc8a5a 100644 (file)
--- a/drivers/ide/ide-io.c
+++ b/drivers/ide/ide-io.c
@@ -1600,15 +1600,17 @@ int ide_do_drive_cmd (ide_drive_t *drive, struct request *rq, ide_action_t actio
                rq->end_io = blk_end_sync_rq;
        }
 
+       if (action == ide_preempt || action == ide_head_wait)
+               where = ELEVATOR_INSERT_FRONT;
+
        spin_lock_irqsave(&ide_lock, flags);
        if (action == ide_preempt)
                hwgroup->rq = NULL;
-       if (action == ide_preempt || action == ide_head_wait) {
-               where = ELEVATOR_INSERT_FRONT;
-               rq->cmd_flags |= REQ_PREEMPT;
-       }
-       __elv_add_request(drive->queue, rq, where, 0);
-       ide_do_request(hwgroup, IDE_NO_IRQ);
+       __elv_add_request(drive->queue, rq, where, 1);
+       __generic_unplug_device(drive->queue);
+       /* the queue is stopped so it won't be plugged+unplugged */
+       if (blk_pm_resume_request(rq))
+               do_ide_request(drive->queue);
        spin_unlock_irqrestore(&ide_lock, flags);
 
        err = 0;