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/aic7xxx/aic79xx.h b/drivers/scsi/aic7xxx/aic79xx.h
index 113874c..df2e0e5 100644
--- a/drivers/scsi/aic7xxx/aic79xx.h
+++ b/drivers/scsi/aic7xxx/aic79xx.h
@@ -115,7 +115,7 @@
#endif
#define AHD_BUILD_COL_IDX(target, lun) \
- (((lun) << 4) | target)
+ ((((u8)lun) << 4) | target)
#define AHD_GET_SCB_COL_IDX(ahd, scb) \
((SCB_GET_LUN(scb) << 4) | SCB_GET_TARGET(ahd, scb))
diff --git a/drivers/scsi/aic7xxx/aic79xx_osm.c b/drivers/scsi/aic7xxx/aic79xx_osm.c
index 69d5c43..ed333669 100644
--- a/drivers/scsi/aic7xxx/aic79xx_osm.c
+++ b/drivers/scsi/aic7xxx/aic79xx_osm.c
@@ -2137,7 +2137,7 @@
if (do_fallback) {
printk("%s: device overrun (status %x) on %d:%d:%d\n",
ahd_name(ahd), status, cmd->device->channel,
- cmd->device->id, cmd->device->lun);
+ cmd->device->id, (u8)cmd->device->lun);
}
ahd_cmd_set_transaction_status(cmd, new_status);
@@ -2253,13 +2253,13 @@
disconnected = TRUE;
if (ahd_search_qinfifo(ahd, cmd->device->id,
cmd->device->channel + 'A',
- cmd->device->lun,
+ cmd->device->lun,
pending_scb->hscb->tag,
ROLE_INITIATOR, CAM_REQ_ABORTED,
SEARCH_COMPLETE) > 0) {
printk("%s:%d:%d:%d: Cmd aborted from QINFIFO\n",
ahd_name(ahd), cmd->device->channel,
- cmd->device->id, cmd->device->lun);
+ cmd->device->id, (u8)cmd->device->lun);
retval = SUCCESS;
goto done;
}
diff --git a/drivers/scsi/aic7xxx/aic79xx_proc.c b/drivers/scsi/aic7xxx/aic79xx_proc.c
index e9778b4..27dbfcc 100644
--- a/drivers/scsi/aic7xxx/aic79xx_proc.c
+++ b/drivers/scsi/aic7xxx/aic79xx_proc.c
@@ -197,7 +197,7 @@
seq_printf(m, "\tChannel %c Target %d Lun %d Settings\n",
sdev->sdev_target->channel + 'A',
- sdev->sdev_target->id, sdev->lun);
+ sdev->sdev_target->id, (u8)sdev->lun);
seq_printf(m, "\t\tCommands Queued %ld\n", dev->commands_issued);
seq_printf(m, "\t\tCommands Active %d\n", dev->active);
diff --git a/drivers/scsi/aic7xxx/aic7xxx_osm.c b/drivers/scsi/aic7xxx/aic7xxx_osm.c
index 114ff0c..d2c9bf3 100644
--- a/drivers/scsi/aic7xxx/aic7xxx_osm.c
+++ b/drivers/scsi/aic7xxx/aic7xxx_osm.c
@@ -2110,7 +2110,7 @@
*/
printk("%s:%d:%d:%d: Is not an active device\n",
ahc_name(ahc), cmd->device->channel, cmd->device->id,
- cmd->device->lun);
+ (u8)cmd->device->lun);
retval = SUCCESS;
goto no_cmd;
}
@@ -2118,11 +2118,11 @@
if ((dev->flags & (AHC_DEV_Q_BASIC|AHC_DEV_Q_TAGGED)) == 0
&& ahc_search_untagged_queues(ahc, cmd, cmd->device->id,
cmd->device->channel + 'A',
- cmd->device->lun,
+ (u8)cmd->device->lun,
CAM_REQ_ABORTED, SEARCH_COMPLETE) != 0) {
printk("%s:%d:%d:%d: Command found on untagged queue\n",
ahc_name(ahc), cmd->device->channel, cmd->device->id,
- cmd->device->lun);
+ (u8)cmd->device->lun);
retval = SUCCESS;
goto done;
}
@@ -2188,13 +2188,14 @@
SEARCH_COMPLETE) > 0) {
printk("%s:%d:%d:%d: Cmd aborted from QINFIFO\n",
ahc_name(ahc), cmd->device->channel,
- cmd->device->id, cmd->device->lun);
+ cmd->device->id, (u8)cmd->device->lun);
retval = SUCCESS;
goto done;
}
} else if (ahc_search_qinfifo(ahc, cmd->device->id,
cmd->device->channel + 'A',
- cmd->device->lun, pending_scb->hscb->tag,
+ cmd->device->lun,
+ pending_scb->hscb->tag,
ROLE_INITIATOR, /*status*/0,
SEARCH_COUNT) > 0) {
disconnected = FALSE;
diff --git a/drivers/scsi/aic7xxx/aic7xxx_proc.c b/drivers/scsi/aic7xxx/aic7xxx_proc.c
index 383a3d1..64eec6c 100644
--- a/drivers/scsi/aic7xxx/aic7xxx_proc.c
+++ b/drivers/scsi/aic7xxx/aic7xxx_proc.c
@@ -175,7 +175,7 @@
seq_printf(m, "\tChannel %c Target %d Lun %d Settings\n",
sdev->sdev_target->channel + 'A',
- sdev->sdev_target->id, sdev->lun);
+ sdev->sdev_target->id, (u8)sdev->lun);
seq_printf(m, "\t\tCommands Queued %ld\n", dev->commands_issued);
seq_printf(m, "\t\tCommands Active %d\n", dev->active);