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scsi: use 64-bit LUNs

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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>
This commit is contained in:
Hannes Reinecke
2014-06-25 15:27:36 +02:00
committed by Christoph Hellwig
parent 755f516bbb
commit 9cb78c16f5
86 changed files with 438 additions and 429 deletions
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7
drivers/scsi/53c700.c
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@@ -1005,7 +1005,7 @@ process_script_interrupt(__u32 dsps, __u32 dsp, struct scsi_cmnd *SCp,
DMA_TO_DEVICE);
cmnd[0] = REQUEST_SENSE;
cmnd[1] = (SCp->device->lun & 0x7) << 5;
cmnd[1] = (lun & 0x7) << 5;
cmnd[2] = 0;
cmnd[3] = 0;
cmnd[4] = SCSI_SENSE_BUFFERSIZE;
@@ -1396,7 +1396,8 @@ NCR_700_start_command(struct scsi_cmnd *SCp)
struct NCR_700_Host_Parameters *hostdata =
(struct NCR_700_Host_Parameters *)SCp->device->host->hostdata[0];
__u16 count = 1; /* for IDENTIFY message */
u8 lun = SCp->device->lun;
if(hostdata->state != NCR_700_HOST_FREE) {
/* keep this inside the lock to close the race window where
* the running command finishes on another CPU while we don't
@@ -1415,7 +1416,7 @@ NCR_700_start_command(struct scsi_cmnd *SCp)
hostdata->msgout[0] = NCR_700_identify((SCp->cmnd[0] != REQUEST_SENSE &&
slot->flags != NCR_700_FLAG_AUTOSENSE),
SCp->device->lun);
lun);
/* for INQUIRY or REQUEST_SENSE commands, we cannot be sure
* if the negotiated transfer parameters still hold, so
* always renegotiate them */