cciss: add performant mode support for Stars/Sirius

[~andy/linux] / drivers / block / cciss_scsi.c

diff --git a/drivers/block/cciss_scsi.c b/drivers/block/cciss_scsi.c
index 72dae92f3cab89770e0c43abd6e7b01aa554b62c..48be478537373669b2dec1662bd3ff89c83ac232 100644 (file)
--- a/drivers/block/cciss_scsi.c
+++ b/drivers/block/cciss_scsi.c
@@ -93,8 +93,8 @@ static struct scsi_host_template cciss_driver_template = {
 
 #pragma pack(1)
 
-#define SCSI_PAD_32 0
-#define SCSI_PAD_64 0
+#define SCSI_PAD_32 8
+#define SCSI_PAD_64 8
 
 struct cciss_scsi_cmd_stack_elem_t {
        CommandList_struct cmd;
@@ -213,6 +213,8 @@ scsi_cmd_stack_setup(int ctlr, struct cciss_scsi_adapter_data_t *sa)
 
        /* Check alignment, see cciss_cmd.h near CommandList_struct def. */
        BUILD_BUG_ON((sizeof(*stk->pool) % COMMANDLIST_ALIGNMENT) != 0);
+       /* printk(KERN_WARNING "cciss_scsi.c: 0x%08x 0x%08x 0x%08x\n",
+                       0xdeadbeef, sizeof(*stk->pool), 0xbeefdead); */
        /* pci_alloc_consistent guarantees 32-bit DMA address will be used */
        stk->pool = (struct cciss_scsi_cmd_stack_elem_t *)
                pci_alloc_consistent(hba[ctlr]->pdev, size, &stk->cmd_pool_handle);