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authorKevin Barnett <kevin.barnett@pmcs.com>2015-11-04 22:51:27 +0100
committerMartin K. Petersen <martin.petersen@oracle.com>2015-11-09 18:34:22 +0100
commit04fa2f44461dd90a00b514cd75ce82f829924826 (patch)
treedd569e4d79c8b7f6e82e424f447344e0311f9109 /drivers/scsi/hpsa.c
parenthpsa: simplify check for device exposure (diff)
downloadlinux-04fa2f44461dd90a00b514cd75ce82f829924826.tar.xz
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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>
Diffstat (limited to 'drivers/scsi/hpsa.c')
-rw-r--r--drivers/scsi/hpsa.c22
1 files changed, 13 insertions, 9 deletions
diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c
index 77c14aeb43eb..62df4808119c 100644
--- a/drivers/scsi/hpsa.c
+++ b/drivers/scsi/hpsa.c
@@ -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);
@@ -3812,16 +3813,16 @@ 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))
- continue;
+ if (MASKED_DEVICE(lunaddrbytes) && physical_device &&
+ (physdev_list->LUN[phys_dev_index].device_flags & 0x01))
+ continue;
/* Get device type, vendor, model, device id */
rc = hpsa_update_device_info(h, lunaddrbytes, tmpdevice,
@@ -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;