ceph_msg_data_add_pages
void ceph_msg_data_add_pages(struct ceph_msg *msg, struct page **pages,
EXPORT_SYMBOL(ceph_msg_data_add_pages);
ceph_msg_data_add_pages(m, pages, data_len, 0, true);
ceph_msg_data_add_pages(msg, osd_data->pages,