__gfs2_holder_init
__gfs2_holder_init(gl, LM_ST_SHARED, flags, &gh, _RET_IP_);
void __gfs2_holder_init(struct gfs2_glock *gl, unsigned int state,
__gfs2_holder_init(gl, state, flags, gh, _RET_IP_);
__gfs2_holder_init(gl, state, flags, gh, _RET_IP_);