Moving the initialization code from rdac_activate to rdac_bus_attach which is more efficient. We don't have to collect all these information during every activate. Signed-off-by: Babu Moger <babu.moger@xxxxxxx> Reviewed-by: Vijay Chauhan <vijay.chauhan@xxxxxxx> Reviewed-by: Bob Stankey <Robert.stankey@xxxxxxx> --- --- linux-2.6.31-rc5/drivers/scsi/device_handler/scsi_dh_rdac.c.orig 2009-09-02 10:06:46.000000000 -0500 +++ linux-2.6.31-rc5/drivers/scsi/device_handler/scsi_dh_rdac.c 2009-09-02 10:08:06.000000000 -0500 @@ -539,23 +539,11 @@ static int rdac_activate(struct scsi_dev { struct rdac_dh_data *h = get_rdac_data(sdev); int err = SCSI_DH_OK; - char array_name[ARRAY_LABEL_LEN]; err = check_ownership(sdev, h); if (err != SCSI_DH_OK) goto done; - if (!h->ctlr) { - err = initialize_controller(sdev, h, array_name); - if (err != SCSI_DH_OK) - goto done; - } - - if (h->ctlr->use_ms10 == -1) { - err = set_mode_select(sdev, h); - if (err != SCSI_DH_OK) - goto done; - } if (h->lun_state == RDAC_LUN_UNOWNED) err = send_mode_select(sdev, h); done: @@ -695,12 +683,20 @@ static int rdac_bus_attach(struct scsi_d if (err != SCSI_DH_OK) goto failed; - err = check_ownership(sdev, h); + err = initialize_controller(sdev, h, array_name); if (err != SCSI_DH_OK) goto failed; + err = check_ownership(sdev, h); + if (err != SCSI_DH_OK) + goto clean_ctlr; + + err = set_mode_select(sdev, h); + if (err != SCSI_DH_OK) + goto clean_ctlr; + if (!try_module_get(THIS_MODULE)) - goto failed; + goto clean_ctlr; spin_lock_irqsave(sdev->request_queue->queue_lock, flags); sdev->scsi_dh_data = scsi_dh_data; @@ -712,6 +708,9 @@ static int rdac_bus_attach(struct scsi_d return 0; +clean_ctlr: + kref_put(&h->ctlr->kref, release_controller); + failed: kfree(scsi_dh_data); sdev_printk(KERN_ERR, sdev, "%s: not attached\n", -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html