-#if !defined(HAVE_UIDGID_HEADER) || !defined(__KERNEL__)
-
-typedef uid_t kuid_t;
-typedef gid_t kgid_t;
-
-#define INVALID_UID -1
-#define INVALID_GID -1
-
-#define GLOBAL_ROOT_UID 0
-#define GLOBAL_ROOT_GID 0
-
-#ifndef __KERNEL__
-struct user_namespace {
- unsigned int pad;
-};
-
-extern struct user_namespace init_user_ns;
-#endif
-
-static inline uid_t __kuid_val(kuid_t uid)
-{
- return uid;
-}
-
-static inline gid_t __kgid_val(kgid_t gid)
-{
- return gid;
-}
-
-static inline kuid_t make_kuid(struct user_namespace *from, uid_t uid)
-{
- return uid;
-}
-
-static inline kgid_t make_kgid(struct user_namespace *from, gid_t gid)
-{
- return gid;
-}
-
-static inline uid_t from_kuid(struct user_namespace *to, kuid_t uid)
-{
- return uid;
-}
-
-static inline gid_t from_kgid(struct user_namespace *to, kgid_t gid)
-{
- return gid;
-}
-
-static inline bool uid_eq(kuid_t left, kuid_t right)
-{
- return left == right;
-}
-
-static inline bool uid_valid(kuid_t uid)
-{
- return (uid != INVALID_UID);
-}
-
-static inline bool gid_valid(kgid_t gid)
-{
- return (gid != INVALID_GID);
-}
-#endif
-
-int cfs_get_environ(const char *key, char *value, int *val_len);
+/* check if task is running in compat mode.*/
+#define current_pid() (current->pid)
+#define current_comm() (current->comm)