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hpsa: allow driver requested rescans

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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; 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:
Don Brace 2015-11-04 15:50:37 -06:00 committed by Martin K. Petersen
parent 1d33d85d4e
commit 853633e859
2 changed files with 16 additions and 2 deletions
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17
drivers/scsi/hpsa.c
View File

@ -1810,6 +1810,7 @@ static void adjust_hpsa_scsi_table(struct ctlr_info *h,
* since it didn't get added to scsi mid layer
*/
fixup_botched_add(h, added[i]);
h->drv_req_rescan = 1;
}
free_and_out:
@ -3751,9 +3752,13 @@ static void hpsa_update_scsi_devices(struct ctlr_info *h)
}
memset(lunzerobits, 0, sizeof(lunzerobits));
h->drv_req_rescan = 0; /* cancel scheduled rescan - we're doing it. */
if (hpsa_gather_lun_info(h, physdev_list, &nphysicals,
logdev_list, &nlogicals))
logdev_list, &nlogicals)) {
h->drv_req_rescan = 1;
goto out;
}
/* We might see up to the maximum number of logical and physical disks
* plus external target devices, and a device for the local RAID
@ -3774,6 +3779,7 @@ static void hpsa_update_scsi_devices(struct ctlr_info *h)
if (!currentsd[i]) {
dev_warn(&h->pdev->dev, "out of memory at %s:%d\n",
__FILE__, __LINE__);
h->drv_req_rescan = 1;
goto out;
}
ndev_allocated++;
@ -3801,8 +3807,10 @@ static void hpsa_update_scsi_devices(struct ctlr_info *h)
/* Get device type, vendor, model, device id */
if (hpsa_update_device_info(h, lunaddrbytes, tmpdevice,
&is_OBDR))
&is_OBDR)) {
h->drv_req_rescan = 1;
continue; /* skip it if we can't talk to it. */
}
figure_bus_target_lun(h, lunaddrbytes, tmpdevice);
hpsa_update_device_supports_aborts(h, tmpdevice, lunaddrbytes);
this_device = currentsd[ncurrent];
@ -7862,6 +7870,11 @@ static void hpsa_ack_ctlr_events(struct ctlr_info *h)
*/
static int hpsa_ctlr_needs_rescan(struct ctlr_info *h)
{
if (h->drv_req_rescan) {
h->drv_req_rescan = 0;
return 1;
}
if (!(h->fw_support & MISC_FW_EVENT_NOTIFY))
return 0;

1
drivers/scsi/hpsa.h
View File

@ -262,6 +262,7 @@ struct ctlr_info {
spinlock_t offline_device_lock;
struct list_head offline_device_list;
int acciopath_status;
int drv_req_rescan;
int raid_offload_debug;
int needs_abort_tags_swizzled;
struct workqueue_struct *resubmit_wq;