ia_css_rmgr_refcount_release_vbuf
void ia_css_rmgr_refcount_release_vbuf(struct ia_css_rmgr_vbuf_handle **handle);
ia_css_rmgr_refcount_release_vbuf(&pool->handles[i]);
ia_css_rmgr_refcount_release_vbuf(handle);
ia_css_rmgr_refcount_release_vbuf(handle);