---

yaml
---
r: 9782
b: refs/heads/master
c: 867f8b4
h: refs/heads/master
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 1cc956e12aedfdc6baf6312bc36a6b5a71af3c9d
+refs/heads/master: 867f8b4e47a17c5d68c98dc6eee12739c4490056

trunk/drivers/ide/ide-io.c

@@ -1101,6 +1101,7 @@ static void ide_do_request (ide_hwgroup_t *hwgroup, int masked_irq)
 	ide_hwif_t	*hwif;
 	struct request	*rq;
 	ide_startstop_t	startstop;
+	int             loops = 0;
 
 	/* for atari only: POSSIBLY BROKEN HERE(?) */
 	ide_get_lock(ide_intr, hwgroup);
@@ -1153,6 +1154,7 @@ static void ide_do_request (ide_hwgroup_t *hwgroup, int masked_irq)
 			/* no more work for this hwgroup (for now) */
 			return;
 		}
+	again:
 		hwif = HWIF(drive);
 		if (hwgroup->hwif->sharing_irq &&
 		    hwif != hwgroup->hwif &&
@@ -1192,8 +1194,14 @@ static void ide_do_request (ide_hwgroup_t *hwgroup, int masked_irq)
 		 * though. I hope that doesn't happen too much, hopefully not
 		 * unless the subdriver triggers such a thing in its own PM
 		 * state machine.
+		 *
+		 * We count how many times we loop here to make sure we service
+		 * all drives in the hwgroup without looping for ever
 		 */
 		if (drive->blocked && !blk_pm_request(rq) && !(rq->flags & REQ_PREEMPT)) {
+			drive = drive->next ? drive->next : hwgroup->drive;
+			if (loops++ < 4 && !blk_queue_plugged(drive->queue))
+				goto again;
 			/* We clear busy, there should be no pending ATA command at this point. */
 			hwgroup->busy = 0;
 			break;