LU-12853 ptlrpc: zero session enviroment

[fs/lustre-release.git] / lustre / include / lu_object.h

diff --git a/lustre/include/lu_object.h b/lustre/include/lu_object.h
index 8a9635e..80fa26f 100644 (file)
--- a/lustre/include/lu_object.h
+++ b/lustre/include/lu_object.h
@@ -1260,6 +1260,19 @@ void lu_env_fini  (struct lu_env *env);
 int  lu_env_refill(struct lu_env *env);
 int  lu_env_refill_by_tags(struct lu_env *env, __u32 ctags, __u32 stags);
 
+static inline void* lu_env_info(const struct lu_env *env,
+                               const struct lu_context_key *key)
+{
+       void *info;
+       info = lu_context_key_get(&env->le_ctx, key);
+       if (!info) {
+               if (!lu_env_refill((struct lu_env *)env))
+                       info = lu_context_key_get(&env->le_ctx, key);
+       }
+       LASSERT(info);
+       return info;
+}
+
 struct lu_env *lu_env_find(void);
 int lu_env_add(struct lu_env *env);
 void lu_env_remove(struct lu_env *env);