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authorHannes Reinecke <hare@suse.de>2014-06-25 17:27:36 +0400
committerChristoph Hellwig <hch@lst.de>2014-07-18 00:07:37 +0400
commit9cb78c16f5dadefd8dc5ba0ae5a2f26cd59419b3 (patch)
tree576b86c3ec56dd7176285ec2d27f27ca55f77bc3 /drivers/scsi/arm/queue.c
parent755f516bbb983915d6cbfb5aa592cc0a5a99fd00 (diff)
downloadlinux-9cb78c16f5dadefd8dc5ba0ae5a2f26cd59419b3.tar.xz
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>
Diffstat (limited to 'drivers/scsi/arm/queue.c')
-rw-r--r--drivers/scsi/arm/queue.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/scsi/arm/queue.c b/drivers/scsi/arm/queue.c
index cb11ccef54e5..3441ce3ebabf 100644
--- a/drivers/scsi/arm/queue.c
+++ b/drivers/scsi/arm/queue.c
@@ -167,7 +167,8 @@ struct scsi_cmnd *queue_remove_exclude(Queue_t *queue, unsigned long *exclude)
spin_lock_irqsave(&queue->queue_lock, flags);
list_for_each(l, &queue->head) {
QE_t *q = list_entry(l, QE_t, list);
- if (!test_bit(q->SCpnt->device->id * 8 + q->SCpnt->device->lun, exclude)) {
+ if (!test_bit(q->SCpnt->device->id * 8 +
+ (u8)(q->SCpnt->device->lun & 0x7), exclude)) {
SCpnt = __queue_remove(queue, l);
break;
}