+ /* Prepare HSM attribute if it's required */
+ if (flags & SWAP_LAYOUTS_MDS_HSM) {
+ const int buflen = sizeof(struct hsm_attrs);
+
+ lu_buf_alloc(fst_hsm_buf, buflen);
+ lu_buf_alloc(snd_hsm_buf, buflen);
+ if (fst_hsm_buf->lb_buf == NULL || snd_hsm_buf->lb_buf == NULL)
+ GOTO(stop, rc = -ENOMEM);
+
+ /* Read HSM attribute */
+ rc = mdo_xattr_get(env, fst_o, fst_hsm_buf, XATTR_NAME_HSM,
+ BYPASS_CAPA);
+ if (rc < 0)
+ GOTO(stop, rc);
+
+ rc = mdo_xattr_get(env, snd_o, snd_hsm_buf, XATTR_NAME_HSM,
+ BYPASS_CAPA);
+ if (rc < 0)
+ GOTO(stop, rc);
+
+ rc = mdd_declare_xattr_set(env, mdd, fst_o, snd_hsm_buf,
+ XATTR_NAME_HSM, LU_XATTR_REPLACE,
+ handle);
+ if (rc < 0)
+ GOTO(stop, rc);
+
+ rc = mdd_declare_xattr_set(env, mdd, snd_o, fst_hsm_buf,
+ XATTR_NAME_HSM, LU_XATTR_REPLACE,
+ handle);
+ if (rc < 0)
+ GOTO(stop, rc);
+ }
+