* where new drives will be added. If the index to be returned is greater
* than the highest_lun index for the controller then highest_lun is set
* to this new index. If there are no available indexes then -1 is returned.
+ * "controller_node" is used to know if this is a real logical drive, or just
+ * the controller node, which determines if this counts towards highest_lun.
*/
-static int cciss_find_free_drive_index(int ctlr)
+static int cciss_find_free_drive_index(int ctlr, int controller_node)
{
int i;
for (i = 0; i < CISS_MAX_LUN; i++) {
if (hba[ctlr]->drv[i].raid_level == -1) {
if (i > hba[ctlr]->highest_lun)
- hba[ctlr]->highest_lun = i;
+ if (!controller_node)
+ hba[ctlr]->highest_lun = i;
return i;
}
}
* a means to talk to the controller in case no logical
* drives have yet been configured.
*/
-static int cciss_add_gendisk(ctlr_info_t *h, __u32 lunid)
+static int cciss_add_gendisk(ctlr_info_t *h, __u32 lunid, int controller_node)
{
int drv_index;
- drv_index = cciss_find_free_drive_index(h->ctlr);
+ drv_index = cciss_find_free_drive_index(h->ctlr, controller_node);
if (drv_index == -1)
return -1;
/*Check if the gendisk needs to be allocated */
if (h->gendisk[0] != NULL) /* already did this? Then bail. */
return;
- drv_index = cciss_add_gendisk(h, 0);
+ drv_index = cciss_add_gendisk(h, 0, 1);
if (drv_index == -1) {
printk(KERN_WARNING "cciss%d: could not "
"add disk 0.\n", h->ctlr);
/* check if the drive was found already in the array */
if (!drv_found) {
- drv_index = cciss_add_gendisk(h, lunid);
+ drv_index = cciss_add_gendisk(h, lunid, 0);
if (drv_index == -1)
goto freeret;
}
hba[i]->intr[SIMPLE_MODE_INT], dac ? "" : " not");
hba[i]->cmd_pool_bits =
- kmalloc(((hba[i]->nr_cmds + BITS_PER_LONG -
- 1) / BITS_PER_LONG) * sizeof(unsigned long), GFP_KERNEL);
+ kmalloc(DIV_ROUND_UP(hba[i]->nr_cmds, BITS_PER_LONG)
+ * sizeof(unsigned long), GFP_KERNEL);
hba[i]->cmd_pool = (CommandList_struct *)
pci_alloc_consistent(hba[i]->pdev,
hba[i]->nr_cmds * sizeof(CommandList_struct),
/* command and error info recs zeroed out before
they are used */
memset(hba[i]->cmd_pool_bits, 0,
- ((hba[i]->nr_cmds + BITS_PER_LONG -
- 1) / BITS_PER_LONG) * sizeof(unsigned long));
+ DIV_ROUND_UP(hba[i]->nr_cmds, BITS_PER_LONG)
+ * sizeof(unsigned long));
hba[i]->num_luns = 0;
hba[i]->highest_lun = -1;
}
}
+#ifdef CONFIG_CISS_SCSI_TAPE
cciss_unregister_scsi(i); /* unhook from SCSI subsystem */
+#endif
cciss_shutdown(pdev);