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_debug.c b/drivers/scsi/scsi_debug.c
index c4ad52c..6ed43fd 100644
--- a/drivers/scsi/scsi_debug.c
+++ b/drivers/scsi/scsi_debug.c
@@ -228,9 +228,9 @@
unsigned char sense_buff[SDEBUG_SENSE_LEN]; /* weak nexus */
unsigned int channel;
unsigned int target;
- unsigned int lun;
+ u64 lun;
struct sdebug_host_info *sdbg_host;
- unsigned int wlun;
+ u64 wlun;
char reset;
char stopped;
char used;
@@ -2278,7 +2278,8 @@
struct sdebug_dev_info * devip)
{
unsigned int alloc_len;
- int lun_cnt, i, upper, num, n, wlun, lun;
+ int lun_cnt, i, upper, num, n;
+ u64 wlun, lun;
unsigned char *cmd = (unsigned char *)scp->cmnd;
int select_report = (int)cmd[2];
struct scsi_lun *one_lun;
@@ -2462,7 +2463,7 @@
static int scsi_debug_slave_alloc(struct scsi_device *sdp)
{
if (SCSI_DEBUG_OPT_NOISE & scsi_debug_opts)
- printk(KERN_INFO "scsi_debug: slave_alloc <%u %u %u %u>\n",
+ printk(KERN_INFO "scsi_debug: slave_alloc <%u %u %u %llu>\n",
sdp->host->host_no, sdp->channel, sdp->id, sdp->lun);
queue_flag_set_unlocked(QUEUE_FLAG_BIDI, sdp->request_queue);
return 0;
@@ -2473,7 +2474,7 @@
struct sdebug_dev_info *devip;
if (SCSI_DEBUG_OPT_NOISE & scsi_debug_opts)
- printk(KERN_INFO "scsi_debug: slave_configure <%u %u %u %u>\n",
+ printk(KERN_INFO "scsi_debug: slave_configure <%u %u %u %llu>\n",
sdp->host->host_no, sdp->channel, sdp->id, sdp->lun);
if (sdp->host->max_cmd_len != SCSI_DEBUG_MAX_CMD_LEN)
sdp->host->max_cmd_len = SCSI_DEBUG_MAX_CMD_LEN;
@@ -2496,7 +2497,7 @@
(struct sdebug_dev_info *)sdp->hostdata;
if (SCSI_DEBUG_OPT_NOISE & scsi_debug_opts)
- printk(KERN_INFO "scsi_debug: slave_destroy <%u %u %u %u>\n",
+ printk(KERN_INFO "scsi_debug: slave_destroy <%u %u %u %llu>\n",
sdp->host->host_no, sdp->channel, sdp->id, sdp->lun);
if (devip) {
/* make this slot available for re-use */
@@ -2708,7 +2709,7 @@
if (scsi_result) {
struct scsi_device * sdp = cmnd->device;
- printk(KERN_INFO "scsi_debug: <%u %u %u %u> "
+ printk(KERN_INFO "scsi_debug: <%u %u %u %llu> "
"non-zero result=0x%x\n", sdp->host->host_no,
sdp->channel, sdp->id, sdp->lun, scsi_result);
}