diff options
| author | Hannes Reinecke <hare@suse.de> | 2014-06-25 17:27:36 +0400 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2014-07-18 00:07:37 +0400 |
| commit | 9cb78c16f5dadefd8dc5ba0ae5a2f26cd59419b3 (patch) | |
| tree | 576b86c3ec56dd7176285ec2d27f27ca55f77bc3 /drivers/scsi/arm/fas216.c | |
| parent | 755f516bbb983915d6cbfb5aa592cc0a5a99fd00 (diff) | |
| download | linux-9cb78c16f5dadefd8dc5ba0ae5a2f26cd59419b3.tar.xz | |
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/arm/fas216.c')
| -rw-r--r-- | drivers/scsi/arm/fas216.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/drivers/scsi/arm/fas216.c b/drivers/scsi/arm/fas216.c index b46a6f6c0eb3..71cfb1e504c4 100644 --- a/drivers/scsi/arm/fas216.c +++ b/drivers/scsi/arm/fas216.c @@ -1821,7 +1821,8 @@ static void fas216_allocate_tag(FAS216_Info *info, struct scsi_cmnd *SCpnt) SCpnt->tag = SCpnt->device->current_tag; } else #endif - set_bit(SCpnt->device->id * 8 + SCpnt->device->lun, info->busyluns); + set_bit(SCpnt->device->id * 8 + + (u8)(SCpnt->device->lun & 0x7), info->busyluns); info->stats.removes += 1; switch (SCpnt->cmnd[0]) { @@ -2171,7 +2172,8 @@ static void fas216_done(FAS216_Info *info, unsigned int result) * status. */ info->device[SCpnt->device->id].parity_check = 0; - clear_bit(SCpnt->device->id * 8 + SCpnt->device->lun, info->busyluns); + clear_bit(SCpnt->device->id * 8 + + (u8)(SCpnt->device->lun & 0x7), info->busyluns); fn = (void (*)(FAS216_Info *, struct scsi_cmnd *, unsigned int))SCpnt->host_scribble; fn(info, SCpnt, result); @@ -2398,7 +2400,8 @@ static enum res_find fas216_find_command(FAS216_Info *info, * been set. */ info->origSCpnt = NULL; - clear_bit(SCpnt->device->id * 8 + SCpnt->device->lun, info->busyluns); + clear_bit(SCpnt->device->id * 8 + + (u8)(SCpnt->device->lun & 0x7), info->busyluns); printk("waiting for execution "); res = res_success; } else @@ -3000,7 +3003,7 @@ void fas216_print_devices(FAS216_Info *info, struct seq_file *m) shost_for_each_device(scd, info->host) { dev = &info->device[scd->id]; - seq_printf(m, " %d/%d ", scd->id, scd->lun); + seq_printf(m, " %d/%llu ", scd->id, scd->lun); if (scd->tagged_supported) seq_printf(m, "%3sabled(%3d) ", scd->simple_tags ? "en" : "dis", |