+
+static ssize_t osp_md_declare_write(const struct lu_env *env,
+ struct dt_object *dt,
+ const struct lu_buf *buf,
+ loff_t pos, struct thandle *th)
+{
+ struct dt_update_request *update;
+ struct lu_fid *fid;
+ int sizes[2] = {buf->lb_len, sizeof(pos)};
+ const char *bufs[2] = {(char *)buf->lb_buf,
+ (char *)&pos};
+ ssize_t rc;
+
+ update = out_find_create_update_loc(th, dt);
+ if (IS_ERR(update)) {
+ CERROR("%s: Get OSP update buf failed: rc = %d\n",
+ dt->do_lu.lo_dev->ld_obd->obd_name,
+ (int)PTR_ERR(update));
+ return PTR_ERR(update);
+ }
+
+ pos = cpu_to_le64(pos);
+ bufs[1] = (char *)&pos;
+ fid = (struct lu_fid *)lu_object_fid(&dt->do_lu);
+ rc = out_insert_update(env, update, OUT_WRITE, fid,
+ ARRAY_SIZE(sizes), sizes, bufs);
+
+ return rc;
+
+}
+
+static ssize_t osp_md_write(const struct lu_env *env, struct dt_object *dt,
+ const struct lu_buf *buf, loff_t *pos,
+ struct thandle *handle,
+ struct lustre_capa *capa, int ignore_quota)
+{
+ return buf->lb_len;
+}
+
+/* These body operation will be used to write symlinks during migration etc */
+struct dt_body_operations osp_md_body_ops = {
+ .dbo_declare_write = osp_md_declare_write,
+ .dbo_write = osp_md_write,
+};