C++ (Cpp) node_is_gateway_only示例

示例#1

文件： recovery.c 项目： chenggangschool/sheepdog

int start_recovery(struct vnode_info *cur_vinfo, struct vnode_info *old_vinfo)
{
	struct recovery_work *rw;

	if (node_is_gateway_only())
		return 0;

	rw = zalloc(sizeof(struct recovery_work));
	if (!rw) {
		eprintf("%m\n");
		return -1;
	}

	rw->state = RW_INIT;
	rw->oids = xmalloc(1 << 20); /* FIXME */
	rw->epoch = sys->epoch;
	rw->count = 0;

	rw->cur_vinfo = grab_vnode_info(cur_vinfo);
	rw->old_vinfo = grab_vnode_info(old_vinfo);

	rw->work.fn = prepare_object_list;
	rw->work.done = finish_object_list;

	if (sd_store->begin_recover) {
		struct siocb iocb = { 0 };
		iocb.epoch = rw->epoch;
		sd_store->begin_recover(&iocb);
	}

	if (recovering_work != NULL) {
		/* skip the previous epoch recovery */
		if (next_rw)
			free_recovery_work(next_rw);
		dprintf("recovery skipped\n");
		next_rw = rw;
	} else {
		recovering_work = rw;
		queue_work(sys->recovery_wqueue, &rw->work);
	}

	resume_wait_epoch_requests();

	return 0;
}

示例#2

文件： recovery.c 项目： Vinchal/sheepdog

int start_recovery(struct vnode_info *cur_vinfo, struct vnode_info *old_vinfo)
{
	struct recovery_work *rw;

	if (node_is_gateway_only())
		goto out;

	rw = xzalloc(sizeof(struct recovery_work));
	rw->state = RW_INIT;
	rw->oids = xmalloc(list_buffer_size);
	rw->epoch = sys->epoch;
	rw->count = 0;

	rw->cur_vinfo = grab_vnode_info(cur_vinfo);
	rw->old_vinfo = grab_vnode_info(old_vinfo);

	rw->work.fn = prepare_object_list;
	rw->work.done = finish_object_list;

	if (recovering_work != NULL) {
		/* skip the previous epoch recovery */
		if (next_rw)
			free_recovery_work(next_rw);
		sd_dprintf("recovery skipped");
		next_rw = rw;

		/*
		 * This is necesary to invoke run_next_rw when
		 * recovery work is suspended.
		 */
		resume_suspended_recovery();
	} else {
		recovering_work = rw;
		queue_work(sys->recovery_wqueue, &rw->work);
	}
out:
	wakeup_requests_on_epoch();
	return 0;
}