+ if ((ma) && (ma->ma_valid & MA_SOM)) {
+ lvb->lvb_size = ma->ma_som->msd_size;
+ lvb->lvb_blocks = ma->ma_som->msd_blocks;
+ } else if ((ma) && (ma->ma_valid & MA_INODE)) {
+ lvb->lvb_size = ma->ma_attr.la_size;
+ lvb->lvb_blocks = ma->ma_attr.la_blocks;
+ } else {
+ lvb->lvb_size = 0;
+ rc = -ELDLM_NO_LOCK_DATA;
+ }
+
+ EXIT;
+out:
+ if (rc == -ELDLM_NO_LOCK_DATA)
+ lustre_pack_reply(req, 1, NULL, NULL);
+
+ req->rq_status = rc;
+ return rc;
+}
+
+int mdd_file_lock(const struct lu_env *env, struct md_object *obj,
+ struct lov_mds_md *lmm, struct ldlm_extent *extent,
+ struct lustre_handle *lockh)
+{
+ struct ldlm_enqueue_info einfo = { 0 };
+ struct obd_info oinfo = { { { 0 } } };
+ struct obd_device *obd;
+ struct obd_export *lov_exp;
+ struct lov_stripe_md *lsm = NULL;
+ struct md_attr *ma = NULL;
+ int rc;
+ ENTRY;
+
+ obd = mdo2mdd(obj)->mdd_obd_dev;
+ lov_exp = obd->u.mds.mds_lov_exp;
+
+ obd_unpackmd(lov_exp, &lsm, lmm,
+ lov_mds_md_size(lmm->lmm_stripe_count, lmm->lmm_magic));
+
+ OBD_ALLOC_PTR(ma);
+ if (ma == NULL)
+ GOTO(out, rc = -ENOMEM);
+
+ OBD_ALLOC_PTR(ma->ma_som);
+ if (ma->ma_som == NULL)
+ GOTO(out, rc = -ENOMEM);
+
+ ma->ma_need = MA_SOM | MA_INODE;
+ mo_attr_get(env, obj, ma);
+
+ einfo.ei_type = LDLM_EXTENT;
+ einfo.ei_mode = LCK_GROUP;
+ einfo.ei_cb_bl = grouplock_blocking_ast;
+ einfo.ei_cb_cp = ldlm_completion_ast;
+ einfo.ei_cb_gl = grouplock_glimpse_ast;
+
+ if (ma->ma_valid & (MA_SOM | MA_INODE))
+ einfo.ei_cbdata = ma;
+ else
+ einfo.ei_cbdata = NULL;
+
+ memset(&oinfo.oi_policy, 0, sizeof(oinfo.oi_policy));
+ oinfo.oi_policy.l_extent = *extent;
+ oinfo.oi_lockh = lockh;
+ oinfo.oi_md = lsm;
+ oinfo.oi_flags = 0;
+
+ rc = obd_enqueue(lov_exp, &oinfo, &einfo, NULL);
+ /* ei_cbdata is used as a free flag at exit */
+ if (rc)
+ einfo.ei_cbdata = NULL;
+
+ obd_unpackmd(lov_exp, &lsm, NULL, 0);