- struct cl_io *io, __u32 enqflags);
-int ccc_lock_use(const struct lu_env *env,const struct cl_lock_slice *slice);
-int ccc_lock_unuse(const struct lu_env *env,const struct cl_lock_slice *slice);
-int ccc_lock_wait(const struct lu_env *env,const struct cl_lock_slice *slice);
-int ccc_lock_fits_into(const struct lu_env *env,
- const struct cl_lock_slice *slice,
- const struct cl_lock_descr *need,
- const struct cl_io *io);
-void ccc_lock_state(const struct lu_env *env,
- const struct cl_lock_slice *slice,
- enum cl_lock_state state);
-