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/message/i2o | |
parent | qla2xxx: Restrict max_lun to 16-bit for older HBAs (diff) | |
download | linux-9cb78c16f5dadefd8dc5ba0ae5a2f26cd59419b3.tar.xz 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/message/i2o')
-rw-r--r-- | drivers/message/i2o/i2o_scsi.c | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/drivers/message/i2o/i2o_scsi.c b/drivers/message/i2o/i2o_scsi.c index 1d31d7284cbd..e7de92c67cf6 100644 --- a/drivers/message/i2o/i2o_scsi.c +++ b/drivers/message/i2o/i2o_scsi.c @@ -78,7 +78,7 @@ static unsigned int i2o_scsi_max_lun = 255; struct i2o_scsi_host { struct Scsi_Host *scsi_host; /* pointer to the SCSI host */ struct i2o_controller *iop; /* pointer to the I2O controller */ - unsigned int lun; /* lun's used for block devices */ + u64 lun; /* lun's used for block devices */ struct i2o_device *channel[0]; /* channel->i2o_dev mapping table */ }; @@ -287,9 +287,8 @@ static int i2o_scsi_probe(struct device *dev) } if (le64_to_cpu(lun) >= scsi_host->max_lun) { - osm_warn("SCSI device lun (%lu) >= max_lun of I2O host (%d)", - (long unsigned int)le64_to_cpu(lun), - scsi_host->max_lun); + osm_warn("SCSI device lun (%llu) >= max_lun of I2O host (%d)", + le64_to_cpu(lun), scsi_host->max_lun); return -EFAULT; } @@ -308,9 +307,9 @@ static int i2o_scsi_probe(struct device *dev) if (rc) goto err; - osm_info("device added (TID: %03x) channel: %d, id: %d, lun: %ld\n", + osm_info("device added (TID: %03x) channel: %d, id: %d, lun: %llu\n", i2o_dev->lct_data.tid, channel, le32_to_cpu(id), - (long unsigned int)le64_to_cpu(lun)); + le64_to_cpu(lun)); return 0; |