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hpsa: simplify update scsi devices 

remove repeated calculation that checks for physical
or logical devices.

Reviewed-by: Scott Teel <scott.teel@pmcs.com>
Reviewed-by: Justin Lindley <justin.lindley@pmcs.com>
Reviewed-by: Kevin Barnett <kevin.barnett@pmcs.com>
Reviewed-by: Tomas Henzl <thenzl@redhat.com>
Reviewed-by: Matthew R. Ochs <mrochs@linux.vnet.ibm.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Don Brace <don.brace@pmcs.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Kevin Barnett 2015-11-04 15:51:27 -06:00 committed by Martin K. Petersen
parent 2a168208a3
commit 04fa2f4446
2 changed files with 14 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

20
drivers/scsi/hpsa.c
View File

@ -3752,6 +3752,7 @@ static void hpsa_update_scsi_devices(struct ctlr_info *h)
int ncurrent = 0;
int i, n_ext_target_devs, ndevs_to_allocate;
int raid_ctlr_position;
bool physical_device;
DECLARE_BITMAP(lunzerobits, MAX_EXT_TARGETS);
currentsd = kzalloc(sizeof(*currentsd) * HPSA_MAX_DEVICES, GFP_KERNEL);
@ -3812,15 +3813,15 @@ static void hpsa_update_scsi_devices(struct ctlr_info *h)
int rc = 0;
int phys_dev_index = i - (raid_ctlr_position == 0);
physical_device = i < nphysicals + (raid_ctlr_position == 0);
/* Figure out where the LUN ID info is coming from */
lunaddrbytes = figure_lunaddrbytes(h, raid_ctlr_position,
i, nphysicals, nlogicals, physdev_list, logdev_list);
/* skip masked non-disk devices */
if (MASKED_DEVICE(lunaddrbytes))
if (i < nphysicals + (raid_ctlr_position == 0) &&
(physdev_list->
LUN[phys_dev_index].device_flags & 0x01))
if (MASKED_DEVICE(lunaddrbytes) && physical_device &&
(physdev_list->LUN[phys_dev_index].device_flags & 0x01))
continue;
/* Get device type, vendor, model, device id */
@ -3857,10 +3858,13 @@ static void hpsa_update_scsi_devices(struct ctlr_info *h)
}
*this_device = *tmpdevice;
this_device->physical_device = physical_device;
/* do not expose masked devices */
if (MASKED_DEVICE(lunaddrbytes) &&
i < nphysicals + (raid_ctlr_position == 0))
/*
* Expose all devices except for physical devices that
* are masked.
*/
if (MASKED_DEVICE(lunaddrbytes) && this_device->physical_device)
this_device->expose_device = 0;
else
this_device->expose_device = 1;
@ -3878,7 +3882,7 @@ static void hpsa_update_scsi_devices(struct ctlr_info *h)
ncurrent++;
break;
case TYPE_DISK:
if (i < nphysicals + (raid_ctlr_position == 0)) {
if (this_device->physical_device) {
/* The disk is in HBA mode. */
/* Never use RAID mapper in HBA mode. */
this_device->offload_enabled = 0;

1
drivers/scsi/hpsa.h
View File

@ -37,6 +37,7 @@ struct hpsa_scsi_dev_t {
unsigned int devtype;
int bus, target, lun; /* as presented to the OS */
unsigned char scsi3addr[8]; /* as presented to the HW */
u8 physical_device : 1;
u8 expose_device;
#define RAID_CTLR_LUNID "\0\0\0\0\0\0\0\0"
unsigned char device_id[16]; /* from inquiry pg. 0x83 */