knfsd: Lockless lookup of NFSv4 identities. (9d5afd94) · Commits · 戴 / test

fs/nfsd/nfs4idmap.c

+6 −5

Original line number	Diff line number	Diff line
		@@ -65,6 +65,7 @@ struct ent {
		u32 id;
		char name[IDMAP_NAMESZ];
		char authname[IDMAP_NAMESZ];
		struct rcu_head rcu_head;
		};

		/* Common entry handling */
		@@ -89,7 +90,7 @@ static void
		ent_put(struct kref *ref)
		{
		struct ent *map = container_of(ref, struct ent, h.ref);
		kfree(map);
		kfree_rcu(map, rcu_head);
		}

		static struct cache_head *
		@@ -264,7 +265,7 @@ out:
		static struct ent *
		idtoname_lookup(struct cache_detail cd, struct ent item)
		{
		struct cache_head *ch = sunrpc_cache_lookup(cd, &item->h,
		struct cache_head *ch = sunrpc_cache_lookup_rcu(cd, &item->h,
		idtoname_hash(item));
		if (ch)
		return container_of(ch, struct ent, h);
		@@ -422,7 +423,7 @@ out:
		static struct ent *
		nametoid_lookup(struct cache_detail cd, struct ent item)
		{
		struct cache_head *ch = sunrpc_cache_lookup(cd, &item->h,
		struct cache_head *ch = sunrpc_cache_lookup_rcu(cd, &item->h,
		nametoid_hash(item));
		if (ch)
		return container_of(ch, struct ent, h);