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/scsi/scsi.c b/drivers/scsi/scsi.c
index 53b8b94e..bff351b 100644
--- a/drivers/scsi/scsi.c
+++ b/drivers/scsi/scsi.c
@@ -1291,7 +1291,7 @@
* really want to use scsi_device_lookup_by_target instead.
**/
struct scsi_device *__scsi_device_lookup_by_target(struct scsi_target *starget,
- uint lun)
+ u64 lun)
{
struct scsi_device *sdev;
@@ -1316,7 +1316,7 @@
* needs to be released with scsi_device_put once you're done with it.
**/
struct scsi_device *scsi_device_lookup_by_target(struct scsi_target *starget,
- uint lun)
+ u64 lun)
{
struct scsi_device *sdev;
struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
@@ -1349,7 +1349,7 @@
* really want to use scsi_device_lookup instead.
**/
struct scsi_device *__scsi_device_lookup(struct Scsi_Host *shost,
- uint channel, uint id, uint lun)
+ uint channel, uint id, u64 lun)
{
struct scsi_device *sdev;
@@ -1375,7 +1375,7 @@
* needs to be released with scsi_device_put once you're done with it.
**/
struct scsi_device *scsi_device_lookup(struct Scsi_Host *shost,
- uint channel, uint id, uint lun)
+ uint channel, uint id, u64 lun)
{
struct scsi_device *sdev;
unsigned long flags;