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/s390/scsi | |
| parent | qla2xxx: Restrict max_lun to 16-bit for older HBAs (diff) | |
| download | linux-dev-9cb78c16f5dadefd8dc5ba0ae5a2f26cd59419b3.tar.xz linux-dev-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/s390/scsi')
| -rw-r--r-- | drivers/s390/scsi/zfcp_dbf.c | 3 | ||||
| -rw-r--r-- | drivers/s390/scsi/zfcp_unit.c | 4 |
2 files changed, 4 insertions, 3 deletions
diff --git a/drivers/s390/scsi/zfcp_dbf.c b/drivers/s390/scsi/zfcp_dbf.c index 0ca64484cfa3..5d7fbe4e907e 100644 --- a/drivers/s390/scsi/zfcp_dbf.c +++ b/drivers/s390/scsi/zfcp_dbf.c @@ -418,7 +418,8 @@ void zfcp_dbf_scsi(char *tag, struct scsi_cmnd *sc, struct zfcp_fsf_req *fsf) rec->scsi_retries = sc->retries; rec->scsi_allowed = sc->allowed; rec->scsi_id = sc->device->id; - rec->scsi_lun = sc->device->lun; + /* struct zfcp_dbf_scsi needs to be updated to handle 64bit LUNs */ + rec->scsi_lun = (u32)sc->device->lun; rec->host_scribble = (unsigned long)sc->host_scribble; memcpy(rec->scsi_opcode, sc->cmnd, diff --git a/drivers/s390/scsi/zfcp_unit.c b/drivers/s390/scsi/zfcp_unit.c index 39f5446f7216..157d3d203ba1 100644 --- a/drivers/s390/scsi/zfcp_unit.c +++ b/drivers/s390/scsi/zfcp_unit.c @@ -21,7 +21,7 @@ void zfcp_unit_scsi_scan(struct zfcp_unit *unit) { struct fc_rport *rport = unit->port->rport; - unsigned int lun; + u64 lun; lun = scsilun_to_int((struct scsi_lun *) &unit->fcp_lun); @@ -188,7 +188,7 @@ struct scsi_device *zfcp_unit_sdev(struct zfcp_unit *unit) { struct Scsi_Host *shost; struct zfcp_port *port; - unsigned int lun; + u64 lun; lun = scsilun_to_int((struct scsi_lun *) &unit->fcp_lun); port = unit->port; |