if (mdt_object_remote(o)) {
/* This object is located on remote node.*/
+ /* Return -EIO for old client */
+ if (!mdt_is_dne_client(req->rq_export))
+ GOTO(out, rc = -EIO);
+
repbody->fid1 = *mdt_object_fid(o);
repbody->valid = OBD_MD_FLID | OBD_MD_MDS;
GOTO(out, rc = 0);
RETURN(-EINVAL);
}
- rc = lu_object_exists(&obj->mot_obj.mo_lu);
- if (rc <= 0) {
- if (rc == -1)
- rc = -EREMOTE;
- else
- rc = -ENOENT;
+ if (mdt_object_remote(obj))
+ rc = -EREMOTE;
+ else if (!mdt_object_exists(obj))
+ rc = -ENOENT;
+
+ if (rc < 0) {
mdt_object_put(env, obj);
CDEBUG(D_IOCTL, "nonlocal object "DFID": %d\n",
PFID(&fp->gf_fid), rc);
class_export_put(exp);
}
+/* Here we use LVB_TYPE to check dne client, because it is
+ * also landed on 2.4. */
+static inline int mdt_is_dne_client(struct obd_export *exp)
+{
+ return !!(exp_connect_flags(exp) & OBD_CONNECT_LVB_TYPE);
+}
+
int mdt_get_disposition(struct ldlm_reply *rep, int flag);
void mdt_set_disposition(struct mdt_thread_info *info,
struct ldlm_reply *rep, int flag);
if (unlikely(mdt_object_remote(child))) {
/* the child object was created on remote server */
+ if (!mdt_is_dne_client(exp)) {
+ /* Return -EIO for old client */
+ mdt_object_put(env, parent);
+ mdt_object_put(env, child);
+ GOTO(out, rc = -EIO);
+ }
repbody->fid1 = *rr->rr_fid2;
repbody->valid |= (OBD_MD_FLID | OBD_MD_MDS);
rc = 0;
mti->mti_attr.ma_need = MA_INODE;
mti->mti_attr.ma_valid = 0;
rc = mdt_attr_get_complex(mti, child, &mti->mti_attr);
- if (rc == -EREMOTE) {
- /* object was created on remote server */
- req->rq_status = rc;
- body->valid |= OBD_MD_MDS;
- }
- mdt_pack_attr2body(mti, body, &mti->mti_attr.ma_attr,
- mdt_object_fid(child));
- mdt_object_put(mti->mti_env, child);
+ if (rc == -EREMOTE) {
+ /* object was created on remote server */
+ if (!mdt_is_dne_client(exp))
+ /* Return -EIO for old client */
+ rc = -EIO;
+
+ req->rq_status = rc;
+ body->valid |= OBD_MD_MDS;
+ }
+ mdt_pack_attr2body(mti, body, &mti->mti_attr.ma_attr,
+ mdt_object_fid(child));
+ mdt_object_put(mti->mti_env, child);
}
static void mdt_reconstruct_setattr(struct mdt_thread_info *mti,
mdt2obd_dev(mdt)->obd_name);
GOTO(out_put_child, rc = -EPERM);
}
+ if (!mdt_is_dne_client(mdt_info_req(info)->rq_export)) {
+ /* Return -EIO for old client */
+ GOTO(out_put_child, rc = -EIO);
+ }
+
}
ma->ma_need = MA_INODE;
ma->ma_valid = 0;
mdt2obd_dev(info->mti_mdt)->obd_name,
(char *)rr->rr_name, PFID(mdt_object_fid(mc)));
+ if (!mdt_is_dne_client(req->rq_export))
+ /* Return -EIO for old client */
+ GOTO(unlock_parent, rc = -EIO);
+
if (info->mti_spec.sp_rm_entry) {
struct lu_ucred *uc = mdt_ucred(info);