static inline void inet_free_ifa(struct in_ifaddr *ifa)
{
	call_rcu(&ifa->rcu_head, inet_rcu_free_ifa);
}
示例#2
0
static void avc_node_delete(struct avc_node *node)
{
	hlist_del_rcu(&node->list);
	call_rcu(&node->rhead, avc_node_free);
	atomic_dec(&avc_cache.active_nodes);
}
struct rpc_cred *rpc_lookup_machine_cred(const char *service_name)
{
	struct auth_cred acred = {
		.uid = RPC_MACHINE_CRED_USERID,
		.gid = RPC_MACHINE_CRED_GROUPID,
		.principal = service_name,
		.machine_cred = 1,
	};

	dprintk("RPC:       looking up machine cred for service %s\n",
			service_name);
	return generic_auth.au_ops->lookup_cred(&generic_auth, &acred, 0);
}
EXPORT_SYMBOL_GPL(rpc_lookup_machine_cred);

static struct rpc_cred *generic_bind_cred(struct rpc_task *task,
		struct rpc_cred *cred, int lookupflags)
{
	struct rpc_auth *auth = task->tk_client->cl_auth;
	struct auth_cred *acred = &container_of(cred, struct generic_cred, gc_base)->acred;

	return auth->au_ops->lookup_cred(auth, acred, lookupflags);
}

static struct rpc_cred *
generic_lookup_cred(struct rpc_auth *auth, struct auth_cred *acred, int flags)
{
	return rpcauth_lookup_credcache(&generic_auth, acred, flags);
}

static struct rpc_cred *
generic_create_cred(struct rpc_auth *auth, struct auth_cred *acred, int flags)
{
	struct generic_cred *gcred;

	gcred = kmalloc(sizeof(*gcred), GFP_KERNEL);
	if (gcred == NULL)
		return ERR_PTR(-ENOMEM);

	rpcauth_init_cred(&gcred->gc_base, acred, &generic_auth, &generic_credops);
	gcred->gc_base.cr_flags = 1UL << RPCAUTH_CRED_UPTODATE;

	gcred->acred.uid = acred->uid;
	gcred->acred.gid = acred->gid;
	gcred->acred.group_info = acred->group_info;
	if (gcred->acred.group_info != NULL)
		get_group_info(gcred->acred.group_info);
	gcred->acred.machine_cred = acred->machine_cred;
	gcred->acred.principal = acred->principal;

	dprintk("RPC:       allocated %s cred %p for uid %d gid %d\n",
			gcred->acred.machine_cred ? "machine" : "generic",
			gcred, acred->uid, acred->gid);
	return &gcred->gc_base;
}

static void
generic_free_cred(struct rpc_cred *cred)
{
	struct generic_cred *gcred = container_of(cred, struct generic_cred, gc_base);

	dprintk("RPC:       generic_free_cred %p\n", gcred);
	if (gcred->acred.group_info != NULL)
		put_group_info(gcred->acred.group_info);
	kfree(gcred);
}

static void
generic_free_cred_callback(struct rcu_head *head)
{
	struct rpc_cred *cred = container_of(head, struct rpc_cred, cr_rcu);
	generic_free_cred(cred);
}

static void
generic_destroy_cred(struct rpc_cred *cred)
{
	call_rcu(&cred->cr_rcu, generic_free_cred_callback);
}
示例#4
0
文件: efs.c 项目: jackluo923/juxta
static void efs_destroy_inode(struct inode *inode)
{
	call_rcu(&inode->i_rcu, efs_i_callback);
}
示例#5
0
static void ll_destroy_inode(struct inode *inode)
{
	call_rcu(&inode->i_rcu, ll_inode_destroy_callback);
}
示例#6
0
文件: auth_unix.c 项目: Lyude/linux
static void
unx_destroy_cred(struct rpc_cred *cred)
{
	call_rcu(&cred->cr_rcu, unx_free_cred_callback);
}
static inline void file_free(struct file *f)
{
	percpu_counter_dec(&nr_files);
	file_check_state(f);
	call_rcu(&f->f_u.fu_rcuhead, file_free_rcu);
}
示例#8
0
文件: irq.c 项目: dduval/kernel-rhel4
static void sn_set_affinity_irq(unsigned int irq, cpumask_t mask)
{
	struct sn_irq_info *sn_irq_info, *sn_irq_info_safe;
	int cpuid, cpuphys;

	cpuid = first_cpu(mask);
	cpuphys = cpu_physical_id(cpuid);

	list_for_each_entry_safe(sn_irq_info, sn_irq_info_safe,
				 sn_irq_lh[irq], list) {
		u64 bridge;
		int local_widget, status;
		nasid_t local_nasid;
		struct sn_irq_info *new_irq_info;
		struct sn_pcibus_provider *pci_provider;

		new_irq_info = kmalloc(sizeof(struct sn_irq_info), GFP_ATOMIC);
		if (new_irq_info == NULL)
			break;
		memcpy(new_irq_info, sn_irq_info, sizeof(struct sn_irq_info));

		bridge = (u64) new_irq_info->irq_bridge;
		if (!bridge) {
			kfree(new_irq_info);
			break; /* irq is not a device interrupt */
		}

		local_nasid = NASID_GET(bridge);

		if (local_nasid & 1)
			local_widget = TIO_SWIN_WIDGETNUM(bridge);
		else
			local_widget = SWIN_WIDGETNUM(bridge);

		/* Free the old PROM new_irq_info structure */
		sn_intr_free(local_nasid, local_widget, new_irq_info);
		/* Update kernels new_irq_info with new target info */
		unregister_intr_pda(new_irq_info);

		/* allocate a new PROM new_irq_info struct */
		status = sn_intr_alloc(local_nasid, local_widget,
				       __pa(new_irq_info), irq,
				       cpuid_to_nasid(cpuid),
				       cpuid_to_slice(cpuid));

		/* SAL call failed */
		if (status) {
			kfree(new_irq_info);
			break;
		}

		new_irq_info->irq_cpuid = cpuid;
		register_intr_pda(new_irq_info);

		pci_provider = sn_pci_provider[new_irq_info->irq_bridge_type];
		if (pci_provider && pci_provider->target_interrupt)
			(pci_provider->target_interrupt)(new_irq_info);

		spin_lock(&sn_irq_info_lock);
		list_replace_rcu(&sn_irq_info->list, &new_irq_info->list);
		spin_unlock(&sn_irq_info_lock);
		call_rcu(&sn_irq_info->rcu, sn_irq_info_free);

#ifdef CONFIG_SMP
		set_irq_affinity_info((irq & 0xff), cpuphys, 0);
#endif
	}
示例#9
0
void v9fs_destroy_inode(struct inode *inode)
{
	call_rcu(&inode->i_rcu, v9fs_i_callback);
}
void *test_hash_rw_thr_writer(void *_count)
{
	struct lfht_test_node *node;
	struct cds_lfht_iter iter;
	struct wr_count *count = _count;
	int ret;

	printf_verbose("thread_begin %s, tid %lu\n",
			"writer", urcu_get_thread_id());

	URCU_TLS(rand_lookup) = urcu_get_thread_id() ^ time(NULL);

	set_affinity();

	rcu_register_thread();

	while (!test_go)
	{
	}
	cmm_smp_mb();

	for (;;) {
		struct cds_lfht_node *ret_node = NULL;

		if ((addremove == AR_ADD || add_only)
				|| (addremove == AR_RANDOM && rand_r(&URCU_TLS(rand_lookup)) & 1)) {
			node = malloc(sizeof(struct lfht_test_node));
			lfht_test_node_init(node,
				(void *)(((unsigned long) rand_r(&URCU_TLS(rand_lookup)) % write_pool_size) + write_pool_offset),
				sizeof(void *));
			rcu_read_lock();
			if (add_unique) {
				ret_node = cds_lfht_add_unique(test_ht,
					test_hash(node->key, node->key_len, TEST_HASH_SEED),
					test_match, node->key, &node->node);
			} else {
				if (add_replace)
					ret_node = cds_lfht_add_replace(test_ht,
							test_hash(node->key, node->key_len, TEST_HASH_SEED),
							test_match, node->key, &node->node);
				else
					cds_lfht_add(test_ht,
						test_hash(node->key, node->key_len, TEST_HASH_SEED),
						&node->node);
			}
			rcu_read_unlock();
			if (add_unique && ret_node != &node->node) {
				free(node);
				URCU_TLS(nr_addexist)++;
			} else {
				if (add_replace && ret_node) {
					call_rcu(&to_test_node(ret_node)->head,
							free_node_cb);
					URCU_TLS(nr_addexist)++;
				} else {
					URCU_TLS(nr_add)++;
				}
			}
		} else {
			/* May delete */
			rcu_read_lock();
			cds_lfht_test_lookup(test_ht,
				(void *)(((unsigned long) rand_r(&URCU_TLS(rand_lookup)) % write_pool_size) + write_pool_offset),
				sizeof(void *), &iter);
			ret = cds_lfht_del(test_ht, cds_lfht_iter_get_node(&iter));
			rcu_read_unlock();
			if (ret == 0) {
				node = cds_lfht_iter_get_test_node(&iter);
				call_rcu(&node->head, free_node_cb);
				URCU_TLS(nr_del)++;
			} else
				URCU_TLS(nr_delnoent)++;
		}
#if 0
		//if (URCU_TLS(nr_writes) % 100000 == 0) {
		if (URCU_TLS(nr_writes) % 1000 == 0) {
			rcu_read_lock();
			if (rand_r(&URCU_TLS(rand_lookup)) & 1) {
				ht_resize(test_ht, 1);
			} else {
				ht_resize(test_ht, -1);
			}
			rcu_read_unlock();
		}
#endif //0
		URCU_TLS(nr_writes)++;
		if (caa_unlikely(!test_duration_write()))
			break;
		if (caa_unlikely(wdelay))
			loop_sleep(wdelay);
		if (caa_unlikely((URCU_TLS(nr_writes) & ((1 << 10) - 1)) == 0))
			rcu_quiescent_state();
	}

	rcu_unregister_thread();

	printf_verbose("thread_end %s, tid %lu\n",
			"writer", urcu_get_thread_id());
	printf_verbose("info tid %lu: nr_add %lu, nr_addexist %lu, nr_del %lu, "
			"nr_delnoent %lu\n", urcu_get_thread_id(),
			URCU_TLS(nr_add),
			URCU_TLS(nr_addexist),
			URCU_TLS(nr_del),
			URCU_TLS(nr_delnoent));
	count->update_ops = URCU_TLS(nr_writes);
	count->add = URCU_TLS(nr_add);
	count->add_exist = URCU_TLS(nr_addexist);
	count->remove = URCU_TLS(nr_del);
	return ((void*)2);
}
示例#11
0
文件: inode.c 项目: Chong-Li/cse522
static void minix_destroy_inode(struct inode *inode)
{
	call_rcu(&inode->i_rcu, minix_i_callback);
}
示例#12
0
static void bfq_cic_free(struct cfq_io_context *cic)
{
	call_rcu(&cic->rcu_head, bfq_cic_free_rcu);
}
示例#13
0
文件: tlb_64.c 项目: cilynx/dd-wrt
static void pte_free_submit(struct pte_freelist_batch *batch)
{
	INIT_RCU_HEAD(&batch->rcu);
	call_rcu(&batch->rcu, pte_free_rcu_callback);
}