diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index cb3c37d1e0091c2a9f191edaefff6581ca0f0dd5..a2c3d9ad9ee499e6b87f014410e7ec8a8993f1cc 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -1387,6 +1387,22 @@ static void sd_uninit_command(struct scsi_cmnd *SCpnt)
 	}
 }
 
+static bool sd_need_revalidate(struct block_device *bdev,
+		struct scsi_disk *sdkp)
+{
+	if (sdkp->device->removable || sdkp->write_prot) {
+		if (bdev_check_media_change(bdev))
+			return true;
+	}
+
+	/*
+	 * Force a full rescan after ioctl(BLKRRPART).  While the disk state has
+	 * nothing to do with partitions, BLKRRPART is used to force a full
+	 * revalidate after things like a format for historical reasons.
+	 */
+	return test_bit(GD_NEED_PART_SCAN, &bdev->bd_disk->state);
+}
+
 /**
  *	sd_open - open a scsi disk device
  *	@bdev: Block device of the scsi disk to open
@@ -1423,10 +1439,8 @@ static int sd_open(struct block_device *bdev, fmode_t mode)
 	if (!scsi_block_when_processing_errors(sdev))
 		goto error_out;
 
-	if (sdev->removable || sdkp->write_prot) {
-		if (bdev_check_media_change(bdev))
-			sd_revalidate_disk(bdev->bd_disk);
-	}
+	if (sd_need_revalidate(bdev, sdkp))
+		sd_revalidate_disk(bdev->bd_disk);
 
 	/*
 	 * If the drive is empty, just let the open fail.
diff --git a/drivers/scsi/sr.c b/drivers/scsi/sr.c
index e4633b84c556a9a431d8a3183ea515a66314e460..7815ed642d434ccbcd6e886628fb448d6ab9014f 100644
--- a/drivers/scsi/sr.c
+++ b/drivers/scsi/sr.c
@@ -220,6 +220,8 @@ static unsigned int sr_get_events(struct scsi_device *sdev)
 		return DISK_EVENT_EJECT_REQUEST;
 	else if (med->media_event_code == 2)
 		return DISK_EVENT_MEDIA_CHANGE;
+	else if (med->media_event_code == 3)
+		return DISK_EVENT_EJECT_REQUEST;
 	return 0;
 }