scsi: use 64-bit LUNs

The SCSI standard defines 64-bit values for LUNs, and large arrays
employing large or hierarchical LUN numbers become more and more
common.

So update the linux SCSI stack to use 64-bit LUN numbers.

Signed-off-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Christoph Hellwig <hch@infradead.org>
Reviewed-by: Ewan Milne <emilne@redhat.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
diff --git a/drivers/message/fusion/mptscsih.c b/drivers/message/fusion/mptscsih.c
index 2a1c6f2..39e5668 100644
--- a/drivers/message/fusion/mptscsih.c
+++ b/drivers/message/fusion/mptscsih.c
@@ -95,7 +95,7 @@
 static void	mptscsih_copy_sense_data(struct scsi_cmnd *sc, MPT_SCSI_HOST *hd, MPT_FRAME_HDR *mf, SCSIIOReply_t *pScsiReply);
 
 int	mptscsih_IssueTaskMgmt(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 id,
-		int lun, int ctx2abort, ulong timeout);
+		u64 lun, int ctx2abort, ulong timeout);
 
 int		mptscsih_ioc_reset(MPT_ADAPTER *ioc, int post_reset);
 int		mptscsih_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply);
@@ -536,7 +536,7 @@
 	}
 
 	scsi_print_command(sc);
-	printk(MYIOC_s_DEBUG_FMT "\tfw_channel = %d, fw_id = %d, lun = %d\n",
+	printk(MYIOC_s_DEBUG_FMT "\tfw_channel = %d, fw_id = %d, lun = %llu\n",
 	    ioc->name, pScsiReply->Bus, pScsiReply->TargetID, sc->device->lun);
 	printk(MYIOC_s_DEBUG_FMT "\trequest_len = %d, underflow = %d, "
 	    "resid = %d\n", ioc->name, scsi_bufflen(sc), sc->underflow,
@@ -692,7 +692,7 @@
 		 */
 		if (scsi_state & MPI_SCSI_STATE_RESPONSE_INFO_VALID &&
 		    pScsiReply->ResponseInfo) {
-			printk(MYIOC_s_NOTE_FMT "[%d:%d:%d:%d] "
+			printk(MYIOC_s_NOTE_FMT "[%d:%d:%d:%llu] "
 			"FCP_ResponseInfo=%08xh\n", ioc->name,
 			sc->device->host->host_no, sc->device->channel,
 			sc->device->id, sc->device->lun,
@@ -1155,7 +1155,7 @@
 		return;
 	ioc = hd->ioc;
 	if (time - hd->last_queue_full > 10 * HZ) {
-		dprintk(ioc, printk(MYIOC_s_WARN_FMT "Device (%d:%d:%d) reported QUEUE_FULL!\n",
+		dprintk(ioc, printk(MYIOC_s_WARN_FMT "Device (%d:%d:%llu) reported QUEUE_FULL!\n",
 				ioc->name, 0, sc->device->id, sc->device->lun));
 		hd->last_queue_full = time;
 	}
@@ -1518,7 +1518,7 @@
  *
  **/
 int
-mptscsih_IssueTaskMgmt(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 id, int lun,
+mptscsih_IssueTaskMgmt(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 id, u64 lun,
 	int ctx2abort, ulong timeout)
 {
 	MPT_FRAME_HDR	*mf;
@@ -2380,7 +2380,7 @@
 	vdevice = sdev->hostdata;
 
 	dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
-		"device @ %p, channel=%d, id=%d, lun=%d\n",
+		"device @ %p, channel=%d, id=%d, lun=%llu\n",
 		ioc->name, sdev, sdev->channel, sdev->id, sdev->lun));
 	if (ioc->bus_type == SPI)
 		dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
@@ -2971,7 +2971,7 @@
 					   + (my_idx * MPT_SENSE_BUFFER_ALLOC));
 
 	devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
-	    "%s: Sending Command 0x%02x for fw_channel=%d fw_id=%d lun=%d\n",
+	    "%s: Sending Command 0x%02x for fw_channel=%d fw_id=%d lun=%llu\n",
 	    ioc->name, __func__, cmd, io->channel, io->id, io->lun));
 
 	if (dir == MPI_SCSIIO_CONTROL_READ)