case SEC_CTX_INIT:
case SEC_CTX_INIT_CONT:
case SEC_CTX_FINI:
+ CFS_FAIL_TIMEOUT(OBD_FAIL_SEC_CTX_HDL_PAUSE, cfs_fail_val);
GOTO(out, rc = 0);
}
*/
if (OBD_FAIL_CHECK_ORSET(h->th_fail_id, OBD_FAIL_ONCE))
RETURN(0);
+ if (unlikely(lustre_msg_get_opc(req->rq_reqmsg) == MDS_REINT &&
+ OBD_FAIL_CHECK(OBD_FAIL_MDS_REINT_MULTI_NET)))
+ RETURN(0);
rc = tgt_request_preprocess(tsi, h, req);
/* pack reply if reply format is fixed */
/* sanity check: if the xid matches, the request must be marked as a
* resent or replayed */
- if (req_xid_is_last(req)) {
+ if (req_can_reconstruct(req, NULL)) {
if (!(lustre_msg_get_flags(req->rq_reqmsg) &
(MSG_RESENT | MSG_REPLAY))) {
DEBUG_REQ(D_WARNING, req, "rq_xid "LPU64" matches "
- "last_xid, expected REPLAY or RESENT flag "
+ "saved xid, expected REPLAY or RESENT flag "
"(%x)", req->rq_xid,
lustre_msg_get_flags(req->rq_reqmsg));
req->rq_status = -ENOTCONN;
GOTO(out, rc);
}
+ /* check request's xid is consistent with export's last_xid */
+ if (req->rq_export != NULL) {
+ __u64 last_xid = lustre_msg_get_last_xid(req->rq_reqmsg);
+ if (last_xid != 0)
+ req->rq_export->exp_last_xid = last_xid;
+ if (req->rq_xid == 0 ||
+ req->rq_xid <= req->rq_export->exp_last_xid) {
+ DEBUG_REQ(D_ERROR, req,
+ "Unexpected xid %llx vs. last_xid %llx\n",
+ req->rq_xid, req->rq_export->exp_last_xid);
+#if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 7, 93, 0)
+ LBUG();
+#endif
+ req->rq_status = -EPROTO;
+ rc = ptlrpc_error(req);
+ GOTO(out, rc);
+ }
+ }
+
request_fail_id = tgt->lut_request_fail_id;
tsi->tsi_reply_fail_id = tgt->lut_reply_fail_id;
+ /* try to release in-memory reply data */
+ if (tgt_is_multimodrpcs_client(req->rq_export)) {
+ tgt_handle_received_xid(req->rq_export,
+ lustre_msg_get_last_xid(req->rq_reqmsg));
+ if (!(lustre_msg_get_flags(req->rq_reqmsg) &
+ (MSG_RESENT | MSG_REPLAY)))
+ tgt_handle_tag(req->rq_export,
+ lustre_msg_get_tag(req->rq_reqmsg));
+ }
+
h = tgt_handler_find_check(req);
if (IS_ERR(h)) {
req->rq_status = PTR_ERR(h);
spin_lock(&exp->exp_lock);
exp->exp_sp_peer = req->rq_sp_from;
exp->exp_flvr = flvr;
+
+ /* when on mgs, if no restriction is set, or if client
+ * is loopback, allow any flavor */
+ if ((strcmp(exp->exp_obd->obd_type->typ_name,
+ LUSTRE_MGS_NAME) == 0) &&
+ (exp->exp_flvr.sf_rpc == SPTLRPC_FLVR_NULL ||
+ LNET_NETTYP(LNET_NIDNET(exp->exp_connection->c_peer.nid))
+ == LOLND))
+ exp->exp_flvr.sf_rpc = SPTLRPC_FLVR_ANY;
+
if (exp->exp_flvr.sf_rpc != SPTLRPC_FLVR_ANY &&
exp->exp_flvr.sf_rpc != req->rq_flvr.sf_rpc) {
CERROR("%s: unauthorized rpc flavor %x from %s, "
};
EXPORT_SYMBOL(tgt_llog_handlers);
+/*
+ * sec context handlers
+ */
+/* XXX: Implement based on mdt_sec_ctx_handle()? */
+static int tgt_sec_ctx_handle(struct tgt_session_info *tsi)
+{
+ return 0;
+}
+
+struct tgt_handler tgt_sec_ctx_handlers[] = {
+TGT_SEC_HDL_VAR(0, SEC_CTX_INIT, tgt_sec_ctx_handle),
+TGT_SEC_HDL_VAR(0, SEC_CTX_INIT_CONT, tgt_sec_ctx_handle),
+TGT_SEC_HDL_VAR(0, SEC_CTX_FINI, tgt_sec_ctx_handle),
+};
+EXPORT_SYMBOL(tgt_sec_ctx_handlers);
+
int (*tgt_lfsck_in_notify)(const struct lu_env *env,
struct dt_device *key,
struct lfsck_request *lr,
__u64 start, __u64 end, struct lustre_handle *lh,
int mode, __u64 *flags)
{
- ldlm_policy_data_t policy;
- int rc;
+ union ldlm_policy_data policy;
+ int rc;
ENTRY;
}
EXPORT_SYMBOL(tgt_extent_lock);
-void tgt_extent_unlock(struct lustre_handle *lh, ldlm_mode_t mode)
+void tgt_extent_unlock(struct lustre_handle *lh, enum ldlm_mode mode)
{
LASSERT(lustre_handle_is_used(lh));
ldlm_lock_decref(lh, mode);
int tgt_brw_lock(struct ldlm_namespace *ns, struct ldlm_res_id *res_id,
struct obd_ioobj *obj, struct niobuf_remote *nb,
- struct lustre_handle *lh, int mode)
+ struct lustre_handle *lh, enum ldlm_mode mode)
{
__u64 flags = 0;
int nrbufs = obj->ioo_bufcnt;
}
void tgt_brw_unlock(struct obd_ioobj *obj, struct niobuf_remote *niob,
- struct lustre_handle *lh, int mode)
+ struct lustre_handle *lh, enum ldlm_mode mode)
{
ENTRY;
RETURN(rc);
}
EXPORT_SYMBOL(tgt_brw_write);
+
+/* Check if request can be reconstructed from saved reply data
+ * A copy of the reply data is returned in @trd if the pointer is not NULL
+ */
+bool req_can_reconstruct(struct ptlrpc_request *req,
+ struct tg_reply_data *trd)
+{
+ struct tg_export_data *ted = &req->rq_export->exp_target_data;
+ struct lsd_client_data *lcd = ted->ted_lcd;
+ bool found;
+
+ if (tgt_is_multimodrpcs_client(req->rq_export))
+ return tgt_lookup_reply(req, trd);
+
+ mutex_lock(&ted->ted_lcd_lock);
+ found = req->rq_xid == lcd->lcd_last_xid ||
+ req->rq_xid == lcd->lcd_last_close_xid;
+
+ if (found && trd != NULL) {
+ if (lustre_msg_get_opc(req->rq_reqmsg) == MDS_CLOSE) {
+ trd->trd_reply.lrd_xid = lcd->lcd_last_close_xid;
+ trd->trd_reply.lrd_transno =
+ lcd->lcd_last_close_transno;
+ trd->trd_reply.lrd_result = lcd->lcd_last_close_result;
+ } else {
+ trd->trd_reply.lrd_xid = lcd->lcd_last_xid;
+ trd->trd_reply.lrd_transno = lcd->lcd_last_transno;
+ trd->trd_reply.lrd_result = lcd->lcd_last_result;
+ trd->trd_reply.lrd_data = lcd->lcd_last_data;
+ trd->trd_pre_versions[0] = lcd->lcd_pre_versions[0];
+ trd->trd_pre_versions[1] = lcd->lcd_pre_versions[1];
+ trd->trd_pre_versions[2] = lcd->lcd_pre_versions[2];
+ trd->trd_pre_versions[3] = lcd->lcd_pre_versions[3];
+ }
+ }
+ mutex_unlock(&ted->ted_lcd_lock);
+
+ return found;
+}
+EXPORT_SYMBOL(req_can_reconstruct);
+