70 scsi_dh_find_driver(struct scsi_device *sdev)  in scsi_dh_find_driver()  argument
74 	if (scsi_device_tpgs(sdev))  in scsi_dh_find_driver()
78 		if (!strncmp(sdev->vendor, b->vendor, strlen(b->vendor)) &&  in scsi_dh_find_driver()
79 		    !strncmp(sdev->model, b->model, strlen(b->model))) {  in scsi_dh_find_driver()
123 static int scsi_dh_handler_attach(struct scsi_device *sdev,  in scsi_dh_handler_attach()  argument
131 	error = scsi_dh->attach(sdev);  in scsi_dh_handler_attach()
149 			sdev_printk(KERN_ERR, sdev, "%s: Attach failed (%d)\n",  in scsi_dh_handler_attach()
153 		sdev->handler = scsi_dh;  in scsi_dh_handler_attach()
162 static void scsi_dh_handler_detach(struct scsi_device *sdev)  in scsi_dh_handler_detach()  argument
164 	sdev->handler->detach(sdev);  in scsi_dh_handler_detach()
165 	sdev_printk(KERN_NOTICE, sdev, "%s: Detached\n", sdev->handler->name);  in scsi_dh_handler_detach()
166 	module_put(sdev->handler->module);  in scsi_dh_handler_detach()
169 void scsi_dh_add_device(struct scsi_device *sdev)  in scsi_dh_add_device()  argument
174 	drv = scsi_dh_find_driver(sdev);  in scsi_dh_add_device()
182 		(void)scsi_dh_handler_attach(sdev, devinfo);  in scsi_dh_add_device()
185 void scsi_dh_release_device(struct scsi_device *sdev)  in scsi_dh_release_device()  argument
187 	if (sdev->handler)  in scsi_dh_release_device()
188 		scsi_dh_handler_detach(sdev);  in scsi_dh_release_device()
252 	struct scsi_device *sdev;  in scsi_dh_activate()  local
255 	sdev = scsi_device_from_queue(q);  in scsi_dh_activate()
256 	if (!sdev) {  in scsi_dh_activate()
262 	if (!sdev->handler)  in scsi_dh_activate()
265 	if (sdev->sdev_state == SDEV_CANCEL ||  in scsi_dh_activate()
266 	    sdev->sdev_state == SDEV_DEL)  in scsi_dh_activate()
270 	if (sdev->sdev_state == SDEV_OFFLINE)  in scsi_dh_activate()
273 	if (sdev->handler->activate)  in scsi_dh_activate()
274 		err = sdev->handler->activate(sdev, fn, data);  in scsi_dh_activate()
277 	put_device(&sdev->sdev_gendev);  in scsi_dh_activate()
299 	struct scsi_device *sdev;  in scsi_dh_set_params()  local
302 	sdev = scsi_device_from_queue(q);  in scsi_dh_set_params()
303 	if (!sdev)  in scsi_dh_set_params()
306 	if (sdev->handler && sdev->handler->set_params)  in scsi_dh_set_params()
307 		err = sdev->handler->set_params(sdev, params);  in scsi_dh_set_params()
308 	put_device(&sdev->sdev_gendev);  in scsi_dh_set_params()
321 	struct scsi_device *sdev;  in scsi_dh_attach()  local
325 	sdev = scsi_device_from_queue(q);  in scsi_dh_attach()
326 	if (!sdev)  in scsi_dh_attach()
335 	if (sdev->handler) {  in scsi_dh_attach()
336 		if (sdev->handler != scsi_dh)  in scsi_dh_attach()
341 	err = scsi_dh_handler_attach(sdev, scsi_dh);  in scsi_dh_attach()
344 	put_device(&sdev->sdev_gendev);  in scsi_dh_attach()
360 	struct scsi_device *sdev;  in scsi_dh_attached_handler_name()  local
363 	sdev = scsi_device_from_queue(q);  in scsi_dh_attached_handler_name()
364 	if (!sdev)  in scsi_dh_attached_handler_name()
367 	if (sdev->handler)  in scsi_dh_attached_handler_name()
368 		handler_name = kstrdup(sdev->handler->name, gfp);  in scsi_dh_attached_handler_name()
369 	put_device(&sdev->sdev_gendev);  in scsi_dh_attached_handler_name()