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| 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/megaraid | |
| parent | 755f516bbb983915d6cbfb5aa592cc0a5a99fd00 (diff) | |
| download | talos-op-linux-9cb78c16f5dadefd8dc5ba0ae5a2f26cd59419b3.tar.gz talos-op-linux-9cb78c16f5dadefd8dc5ba0ae5a2f26cd59419b3.zip | |
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/megaraid')
| -rw-r--r-- | drivers/scsi/megaraid/mega_common.h | 2 | ||||
| -rw-r--r-- | drivers/scsi/megaraid/megaraid_sas_fusion.c | 4 |
2 files changed, 3 insertions, 3 deletions
diff --git a/drivers/scsi/megaraid/mega_common.h b/drivers/scsi/megaraid/mega_common.h index 5ead1283a844..1d037ed52c33 100644 --- a/drivers/scsi/megaraid/mega_common.h +++ b/drivers/scsi/megaraid/mega_common.h @@ -204,7 +204,7 @@ typedef struct { #define SCP2HOSTDATA(scp) SCP2HOST(scp)->hostdata // to soft state #define SCP2CHANNEL(scp) (scp)->device->channel // to channel #define SCP2TARGET(scp) (scp)->device->id // to target -#define SCP2LUN(scp) (scp)->device->lun // to LUN +#define SCP2LUN(scp) (u32)(scp)->device->lun // to LUN // generic macro to convert scsi command and host to controller's soft state #define SCSIHOST2ADAP(host) (((caddr_t *)(host->hostdata))[0]) diff --git a/drivers/scsi/megaraid/megaraid_sas_fusion.c b/drivers/scsi/megaraid/megaraid_sas_fusion.c index 22600419ae9f..3ed03dfab76c 100644 --- a/drivers/scsi/megaraid/megaraid_sas_fusion.c +++ b/drivers/scsi/megaraid/megaraid_sas_fusion.c @@ -1690,7 +1690,7 @@ NonFastPath: MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT); } io_request->RaidContext.VirtualDiskTgtId = cpu_to_le16(device_id); - io_request->LUN[1] = scmd->device->lun; + int_to_scsilun(scmd->device->lun, (struct scsi_lun *)io_request->LUN); } /** @@ -1713,7 +1713,7 @@ megasas_build_io_fusion(struct megasas_instance *instance, device_id = MEGASAS_DEV_INDEX(instance, scp); /* Zero out some fields so they don't get reused */ - io_request->LUN[1] = 0; + memset(io_request->LUN, 0x0, 8); io_request->CDB.EEDP32.PrimaryReferenceTag = 0; io_request->CDB.EEDP32.PrimaryApplicationTagMask = 0; io_request->EEDPFlags = 0; |
