diff options
| author | Hannes Reinecke <hare@suse.de> | 2014-06-25 15:27:36 +0200 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2014-07-17 22:07:37 +0200 |
| commit | 9cb78c16f5dadefd8dc5ba0ae5a2f26cd59419b3 (patch) | |
| tree | 576b86c3ec56dd7176285ec2d27f27ca55f77bc3 /drivers/scsi/53c700.c | |
| parent | 755f516bbb983915d6cbfb5aa592cc0a5a99fd00 (diff) | |
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/53c700.c')
| -rw-r--r-- | drivers/scsi/53c700.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/scsi/53c700.c b/drivers/scsi/53c700.c index a3adfb4357f..fabd4be2c98 100644 --- a/drivers/scsi/53c700.c +++ b/drivers/scsi/53c700.c @@ -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 */ |