*/
int client_obd_setup(struct obd_device *obddev, struct lustre_cfg *lcfg)
{
- struct client_obd *cli = &obddev->u.cli;
- struct obd_import *imp;
- struct obd_uuid server_uuid;
- int rq_portal, rp_portal, connect_op;
- char *name = obddev->obd_type->typ_name;
- ldlm_ns_type_t ns_type = LDLM_NS_TYPE_UNKNOWN;
- int rc;
- ENTRY;
+ struct client_obd *cli = &obddev->u.cli;
+ struct obd_import *imp;
+ struct obd_uuid server_uuid;
+ int rq_portal, rp_portal, connect_op;
+ char *name = obddev->obd_type->typ_name;
+ enum ldlm_ns_type ns_type = LDLM_NS_TYPE_UNKNOWN;
+ char *cli_name = lustre_cfg_buf(lcfg, 0);
+ int rc;
+ ENTRY;
- /* In a more perfect world, we would hang a ptlrpc_client off of
- * obd_type and just use the values from there. */
+ /* In a more perfect world, we would hang a ptlrpc_client off of
+ * obd_type and just use the values from there. */
if (!strcmp(name, LUSTRE_OSC_NAME)) {
rq_portal = OST_REQUEST_PORTAL;
rp_portal = OSC_REPLY_PORTAL;
rq_portal = MDS_REQUEST_PORTAL;
rp_portal = MDC_REPLY_PORTAL;
connect_op = MDS_CONNECT;
- cli->cl_sp_me = LUSTRE_SP_CLI;
+ if (is_lwp_on_ost(cli_name))
+ cli->cl_sp_me = LUSTRE_SP_OST;
+ else if (is_lwp_on_mdt(cli_name))
+ cli->cl_sp_me = LUSTRE_SP_MDT;
+ else
+ cli->cl_sp_me = LUSTRE_SP_CLI;
cli->cl_sp_to = LUSTRE_SP_MDT;
ns_type = LDLM_NS_TYPE_MDC;
} else if (!strcmp(name, LUSTRE_OSP_NAME)) {
rq_portal = OST_REQUEST_PORTAL;
}
rp_portal = OSC_REPLY_PORTAL;
- cli->cl_sp_me = LUSTRE_SP_CLI;
+ cli->cl_sp_me = LUSTRE_SP_MDT;
} else if (!strcmp(name, LUSTRE_MGC_NAME)) {
rq_portal = MGS_REQUEST_PORTAL;
rp_portal = MGC_REPLY_PORTAL;
if (exp->exp_imp_reverse)
ptlrpc_cleanup_imp(exp->exp_imp_reverse);
- if (exp->exp_obd->obd_namespace != NULL)
- ldlm_cancel_locks_for_export(exp);
+ ldlm_bl_thread_wakeup();
/* complete all outstanding replies */
spin_lock(&exp->exp_lock);
struct obd_export *exp,
struct obd_uuid *cluuid)
{
- ENTRY;
+ struct lustre_handle *hdl;
+ ENTRY;
- if (exp->exp_connection && exp->exp_imp_reverse) {
- struct lustre_handle *hdl;
+ hdl = &exp->exp_imp_reverse->imp_remote_handle;
+ if (exp->exp_connection && lustre_handle_is_used(hdl)) {
struct obd_device *target;
- hdl = &exp->exp_imp_reverse->imp_remote_handle;
target = exp->exp_obd;
/* Might be a re-connect after a partition. */
check_and_start_recovery_timer(struct obd_device *obd,
struct ptlrpc_request *req, int new_client);
+/**
+ * update flags for import during reconnect process
+ */
+static int rev_import_flags_update(struct obd_import *revimp,
+ struct ptlrpc_request *req)
+{
+ int rc;
+ struct obd_connect_data *data;
+
+ data = req_capsule_client_get(&req->rq_pill, &RMF_CONNECT_DATA);
+
+ if (data->ocd_connect_flags & OBD_CONNECT_AT)
+ revimp->imp_msghdr_flags |= MSGHDR_AT_SUPPORT;
+ else
+ revimp->imp_msghdr_flags &= ~MSGHDR_AT_SUPPORT;
+
+ revimp->imp_msghdr_flags |= MSGHDR_CKSUM_INCOMPAT18;
+
+ rc = sptlrpc_import_sec_adapt(revimp, req->rq_svc_ctx, &req->rq_flvr);
+ if (rc) {
+ CERROR("%s: cannot get reverse import %s security: rc = %d\n",
+ revimp->imp_client->cli_name,
+ libcfs_id2str(req->rq_peer), rc);
+ return rc;
+ }
+
+ return 0;
+}
+
+/**
+ * Allocate a new reverse import for an export.
+ *
+ * \retval -errno in case error hit
+ * \retval 0 if reverse import correctly init
+ **/
+int rev_import_init(struct obd_export *export)
+{
+ struct obd_device *obd = export->exp_obd;
+ struct obd_import *revimp;
+
+ LASSERT(export->exp_imp_reverse == NULL);
+
+ revimp = class_new_import(obd);
+ if (revimp == NULL)
+ return -ENOMEM;
+
+ revimp->imp_remote_handle.cookie = 0ULL;
+ revimp->imp_client = &obd->obd_ldlm_client;
+ revimp->imp_dlm_fake = 1;
+
+ /* it is safe to connect import in new state as no sends possible */
+ spin_lock(&export->exp_lock);
+ export->exp_imp_reverse = revimp;
+ spin_unlock(&export->exp_lock);
+ class_import_put(revimp);
+
+ return 0;
+}
+EXPORT_SYMBOL(rev_import_init);
+
+/**
+ * Handle reconnect for an export.
+ *
+ * \param exp export to handle reconnect process
+ * \param req client reconnect request
+ *
+ * \retval -rc in case securitfy flavor can't be changed
+ * \retval 0 in case none problems
+ */
+static int rev_import_reconnect(struct obd_export *exp,
+ struct ptlrpc_request *req)
+{
+ struct obd_import *revimp = exp->exp_imp_reverse;
+ struct lustre_handle *lh;
+ int rc;
+
+ /* avoid sending a request until import flags are changed */
+ ptlrpc_import_enter_resend(revimp);
+
+ if (revimp->imp_connection != NULL)
+ ptlrpc_connection_put(revimp->imp_connection);
+
+ /*
+ * client from recovery don't have a handle so we need to take from
+ * request. it may produce situation when wrong client connected
+ * to recovery as we trust a client uuid
+ */
+ lh = req_capsule_client_get(&req->rq_pill, &RMF_CONN);
+ revimp->imp_remote_handle = *lh;
+
+ /* unknown versions will be caught in
+ * ptlrpc_handle_server_req_in->lustre_unpack_msg() */
+ revimp->imp_msg_magic = req->rq_reqmsg->lm_magic;
+
+ revimp->imp_connection = ptlrpc_connection_addref(exp->exp_connection);
+
+ rc = rev_import_flags_update(revimp, req);
+ if (rc != 0) {
+ /* it is safe to still be in RECOVERY phase as we are not able
+ * to setup correct security flavor so requests are not able to
+ * be delivered correctly */
+ return rc;
+ }
+
+ /* resend all rpc's via new connection */
+ return ptlrpc_import_recovery_state_machine(revimp);
+}
+
int target_handle_connect(struct ptlrpc_request *req)
{
- struct obd_device *target = NULL, *targref = NULL;
- struct obd_export *export = NULL;
- struct obd_import *revimp;
- struct obd_import *tmp_imp = NULL;
- struct lustre_handle conn;
- struct lustre_handle *tmp;
+ struct obd_device *target = NULL;
+ struct obd_export *export = NULL;
+ /* connect handle - filled from target_handle_reconnect in
+ * reconnect case */
+ struct lustre_handle conn;
+ struct lustre_handle *tmp;
struct obd_uuid tgtuuid;
struct obd_uuid cluuid;
- struct obd_uuid remote_uuid;
char *str;
int rc = 0;
char *target_start;
}
spin_lock(&target->obd_dev_lock);
+ /* Make sure the target isn't cleaned up while we're here. Yes,
+ * there's still a race between the above check and our incref here.
+ * Really, class_uuid2obd should take the ref. */
+ class_incref(target, __func__, current);
+
if (target->obd_stopping || !target->obd_set_up) {
spin_unlock(&target->obd_dev_lock);
GOTO(out, rc = -EAGAIN);
}
- /* Make sure the target isn't cleaned up while we're here. Yes,
- * there's still a race between the above check and our incref here.
- * Really, class_uuid2obd should take the ref. */
- targref = class_incref(target, __FUNCTION__, current);
-
target->obd_conn_inprogress++;
spin_unlock(&target->obd_dev_lock);
obd_str2uuid(&cluuid, str);
- /* XXX Extract a nettype and format accordingly. */
- switch (sizeof(lnet_nid_t)) {
- /* NB the casts only avoid compiler warnings. */
- case 8:
- snprintf(remote_uuid.uuid, sizeof remote_uuid,
- "NET_"LPX64"_UUID", (__u64)req->rq_peer.nid);
- break;
- case 4:
- snprintf(remote_uuid.uuid, sizeof remote_uuid,
- "NET_%x_UUID", (__u32)req->rq_peer.nid);
- break;
- default:
- LBUG();
- }
-
tmp = req_capsule_client_get(&req->rq_pill, &RMF_CONN);
if (tmp == NULL)
GOTO(out, rc = -EPROTO);
if (mds_conn && OBD_FAIL_CHECK(OBD_FAIL_TGT_RCVG_FLAG))
lustre_msg_add_op_flags(req->rq_repmsg,
MSG_CONNECT_RECOVERING);
- if (rc == 0)
+ if (rc == 0) {
conn.cookie = export->exp_handle.h_cookie;
+ rc = rev_import_init(export);
+ }
if (mds_mds_conn)
new_mds_mds_conn = true;
memcpy(tmpdata, data, min(tmpsize, size));
}
- /* If all else goes well, this is our RPC return code. */
- req->rq_status = 0;
-
- lustre_msg_set_handle(req->rq_repmsg, &conn);
-
/* If the client and the server are the same node, we will already
* have an export that really points to the client's DLM export,
* because we have a shared handles table.
ptlrpc_connection_put(export->exp_connection);
}
- export->exp_connection = ptlrpc_connection_get(req->rq_peer,
- req->rq_self,
- &remote_uuid);
- if (hlist_unhashed(&export->exp_nid_hash)) {
- cfs_hash_add(export->exp_obd->obd_nid_hash,
- &export->exp_connection->c_peer.nid,
- &export->exp_nid_hash);
- }
+ export->exp_connection = ptlrpc_connection_get(req->rq_peer,
+ req->rq_self,
+ &cluuid);
+ if (hlist_unhashed(&export->exp_nid_hash))
+ cfs_hash_add(export->exp_obd->obd_nid_hash,
+ &export->exp_connection->c_peer.nid,
+ &export->exp_nid_hash);
+
+ lustre_msg_set_handle(req->rq_repmsg, &conn);
+
+ rc = rev_import_reconnect(export, req);
+ if (rc != 0)
+ GOTO(out, rc);
if (target->obd_recovering && !export->exp_in_recovery && !lw_client) {
int has_transno;
if (target->obd_recovering && !lw_client)
lustre_msg_add_op_flags(req->rq_repmsg, MSG_CONNECT_RECOVERING);
- tmp = req_capsule_client_get(&req->rq_pill, &RMF_CONN);
- conn = *tmp;
-
- /* Return -ENOTCONN in case of errors to let client reconnect. */
- revimp = class_new_import(target);
- if (revimp == NULL) {
- CERROR("fail to alloc new reverse import.\n");
- GOTO(out, rc = -ENOTCONN);
- }
-
- spin_lock(&export->exp_lock);
- if (export->exp_imp_reverse != NULL)
- /* destroyed import can be still referenced in ctxt */
- tmp_imp = export->exp_imp_reverse;
- export->exp_imp_reverse = revimp;
- spin_unlock(&export->exp_lock);
-
- revimp->imp_connection = ptlrpc_connection_addref(export->exp_connection);
- revimp->imp_client = &export->exp_obd->obd_ldlm_client;
- revimp->imp_remote_handle = conn;
- revimp->imp_dlm_fake = 1;
- revimp->imp_state = LUSTRE_IMP_FULL;
-
- /* Unknown versions will be caught in
- * ptlrpc_handle_server_req_in->lustre_unpack_msg(). */
- revimp->imp_msg_magic = req->rq_reqmsg->lm_magic;
-
- if (data->ocd_connect_flags & OBD_CONNECT_AT)
- revimp->imp_msghdr_flags |= MSGHDR_AT_SUPPORT;
- else
- revimp->imp_msghdr_flags &= ~MSGHDR_AT_SUPPORT;
-
- revimp->imp_msghdr_flags |= MSGHDR_CKSUM_INCOMPAT18;
-
- rc = sptlrpc_import_sec_adapt(revimp, req->rq_svc_ctx, &req->rq_flvr);
- if (rc) {
- CERROR("Failed to get sec for reverse import: %d\n", rc);
- spin_lock(&export->exp_lock);
- export->exp_imp_reverse = NULL;
- spin_unlock(&export->exp_lock);
- class_destroy_import(revimp);
- }
-
- class_import_put(revimp);
-
out:
- if (tmp_imp != NULL)
- client_destroy_import(tmp_imp);
if (export) {
spin_lock(&export->exp_lock);
export->exp_connecting = 0;
class_export_put(export);
}
- if (targref) {
+ if (target != NULL) {
spin_lock(&target->obd_dev_lock);
target->obd_conn_inprogress--;
spin_unlock(&target->obd_dev_lock);
- class_decref(targref, __func__, current);
+ class_decref(target, __func__, current);
}
- if (rc)
- req->rq_status = rc;
+ req->rq_status = rc;
RETURN(rc);
}
__u64 transno = lustre_msg_get_transno(req->rq_reqmsg);
struct obd_export *exp = req->rq_export;
struct ptlrpc_request *reqiter;
+ struct ptlrpc_request *dup_req = NULL;
int dup = 0;
LASSERT(exp);
list_for_each_entry(reqiter, &exp->exp_req_replay_queue,
rq_replay_list) {
if (lustre_msg_get_transno(reqiter->rq_reqmsg) == transno) {
+ dup_req = reqiter;
dup = 1;
break;
}
(MSG_RESENT | MSG_REPLAY)) != (MSG_RESENT | MSG_REPLAY))
CERROR("invalid flags %x of resent replay\n",
lustre_msg_get_flags(req->rq_reqmsg));
+
+ if (lustre_msg_get_flags(req->rq_reqmsg) & MSG_REPLAY) {
+ __u32 new_conn;
+
+ new_conn = lustre_msg_get_conn_cnt(req->rq_reqmsg);
+ if (new_conn >
+ lustre_msg_get_conn_cnt(dup_req->rq_reqmsg))
+ lustre_msg_set_conn_cnt(dup_req->rq_reqmsg,
+ new_conn);
+ }
} else {
list_add_tail(&req->rq_replay_list,
&exp->exp_req_replay_queue);
spin_unlock(&obd->obd_recovery_task_lock);
if (lut->lut_tdtd != NULL &&
- !list_empty(&lut->lut_tdtd->tdtd_replay_list))
+ (!list_empty(&lut->lut_tdtd->tdtd_replay_list) ||
+ !list_empty(&lut->lut_tdtd->tdtd_replay_finish_list))) {
dtrq_list_dump(lut->lut_tdtd, D_ERROR);
+ dtrq_list_destroy(lut->lut_tdtd);
+ }
obd->obd_recovery_end = cfs_time_current_sec();
{
struct ptlrpc_request *req, *n;
struct list_head clean_list;
- ENTRY;
INIT_LIST_HEAD(&clean_list);
spin_lock(&obd->obd_dev_lock);
{
struct ptlrpc_request *req = NULL;
struct obd_device *obd = lut->lut_obd;
+ struct target_distribute_txn_data *tdtd = lut->lut_tdtd;
int wake_up = 0, connected, completed, queue_len;
__u64 req_transno = 0;
__u64 update_transno = 0;
req_transno = lustre_msg_get_transno(req->rq_reqmsg);
}
- if (lut->lut_tdtd != NULL) {
- struct target_distribute_txn_data *tdtd;
-
- tdtd = lut->lut_tdtd;
- update_transno = distribute_txn_get_next_transno(lut->lut_tdtd);
- }
+ if (tdtd != NULL)
+ update_transno = distribute_txn_get_next_transno(tdtd);
connected = atomic_read(&obd->obd_connected_clients);
completed = connected - atomic_read(&obd->obd_req_replay_clients);
} else if (obd->obd_recovery_expired) {
CDEBUG(D_HA, "waking for expired recovery\n");
wake_up = 1;
+ } else if (tdtd != NULL && req != NULL &&
+ is_req_replayed_by_update(req)) {
+ LASSERTF(req_transno < next_transno, "req_transno "LPU64
+ "next_transno"LPU64"\n", req_transno, next_transno);
+ CDEBUG(D_HA, "waking for duplicate req ("LPU64")\n",
+ req_transno);
+ wake_up = 1;
} else if (req_transno == next_transno ||
(update_transno != 0 && update_transno <= next_transno)) {
CDEBUG(D_HA, "waking for next ("LPD64")\n", next_transno);
obd->obd_replayed_requests++;
}
-/**
- * Update last_rcvd of the update
- *
- * Because update recovery might update the last_rcvd by updates, i.e.
- * it will not update the last_rcvd information in memory, so we need
- * refresh these information in memory after update recovery.
- *
- * \param[in] obd obd_device under recoverying.
- * \param[in] dtrq the update replay requests being replayed.
- */
-static void target_update_lcd(struct lu_env *env, struct lu_target *lut,
- struct distribute_txn_replay_req *dtrq)
-{
- struct obd_device *obd = lut->lut_obd;
- struct obd_export *export;
- struct tg_export_data *ted;
- struct distribute_txn_replay_req_sub *dtrqs;
- struct seq_server_site *site;
- struct update_records *ur;
- const struct lu_fid *fid;
- struct update_ops *ops;
- struct update_params *params;
- struct update_op *op;
- __u32 mdt_index;
- unsigned int i;
- struct lsd_client_data *lcd = NULL;
-
- /* if Updates has been executed(committed) on the recovery target,
- * i.e. the updates is not being executed on the target, so we do
- * not need update it in memory */
- site = lu_site2seq(obd->obd_lu_dev->ld_site);
- mdt_index = site->ss_node_id;
- dtrqs = dtrq_sub_lookup(dtrq, mdt_index);
- if (dtrqs != NULL)
- return;
-
- if (dtrq->dtrq_lur == NULL)
- return;
-
- /* Find the update last_rcvd record */
- fid = lu_object_fid(&lut->lut_last_rcvd->do_lu);
- ur = &dtrq->dtrq_lur->lur_update_rec;
- ops = &ur->ur_ops;
- params = update_records_get_params(ur);
- for (i = 0, op = &ops->uops_op[0]; i < ur->ur_update_count;
- i++, op = update_op_next_op(op)) {
- __u64 pos;
- __u16 size;
- void *buf;
-
- if (!lu_fid_eq(&op->uop_fid, fid))
- continue;
-
- if (op->uop_type != OUT_WRITE)
- continue;
-
- buf = update_params_get_param_buf(params, op->uop_params_off[1],
- ur->ur_param_count, NULL);
- if (buf == NULL)
- continue;
-
- pos = le64_to_cpu(*(__u64 *)buf);
- if (pos == 0)
- continue;
-
- buf = update_params_get_param_buf(params, op->uop_params_off[0],
- ur->ur_param_count, &size);
- if (buf == NULL)
- continue;
-
- if (size != sizeof(*lcd))
- continue;
- lcd = buf;
- }
-
- if (lcd == NULL || lcd->lcd_uuid[0] == '\0')
- return;
-
- /* locate the export then update the exp_target_data if needed */
- export = cfs_hash_lookup(obd->obd_uuid_hash, lcd->lcd_uuid);
- if (export == NULL)
- return;
-
- ted = &export->exp_target_data;
- if (lcd->lcd_last_xid > ted->ted_lcd->lcd_last_xid) {
- CDEBUG(D_HA, "%s update xid from "LPU64" to "LPU64"\n",
- lut->lut_obd->obd_name, ted->ted_lcd->lcd_last_xid,
- lcd->lcd_last_xid);
- ted->ted_lcd->lcd_last_xid = lcd->lcd_last_xid;
- ted->ted_lcd->lcd_last_result = lcd->lcd_last_result;
- }
- class_export_put(export);
-}
-
static void replay_request_or_update(struct lu_env *env,
struct lu_target *lut,
struct target_recovery_data *trd,
spin_lock(&obd->obd_recovery_task_lock);
transno = get_next_transno(lut, &type);
- if (type == REQUEST_RECOVERY && tdtd != NULL &&
- transno == tdtd->tdtd_last_update_transno) {
+ if (type == REQUEST_RECOVERY && transno != 0) {
/* Drop replay request from client side, if the
* replay has been executed by update with the
* same transno */
req = list_entry(obd->obd_req_replay_queue.next,
struct ptlrpc_request, rq_list);
+
list_del_init(&req->rq_list);
obd->obd_requests_queued_for_recovery--;
spin_unlock(&obd->obd_recovery_task_lock);
- drop_duplicate_replay_req(env, obd, req);
- } else if (type == REQUEST_RECOVERY && transno != 0) {
- req = list_entry(obd->obd_req_replay_queue.next,
- struct ptlrpc_request, rq_list);
- list_del_init(&req->rq_list);
- obd->obd_requests_queued_for_recovery--;
- spin_unlock(&obd->obd_recovery_task_lock);
+
+ /* Let's check if the request has been redone by
+ * update replay */
+ if (is_req_replayed_by_update(req)) {
+ struct distribute_txn_replay_req *dtrq;
+
+ dtrq = distribute_txn_lookup_finish_list(tdtd,
+ req->rq_xid);
+ LASSERT(dtrq != NULL);
+ spin_lock(&tdtd->tdtd_replay_list_lock);
+ list_del_init(&dtrq->dtrq_list);
+ spin_unlock(&tdtd->tdtd_replay_list_lock);
+ dtrq_destroy(dtrq);
+
+ drop_duplicate_replay_req(env, obd, req);
+
+ continue;
+ }
+
LASSERT(trd->trd_processing_task == current_pid());
DEBUG_REQ(D_HA, req, "processing t"LPD64" from %s",
lustre_msg_get_transno(req->rq_reqmsg),
tdtd->tdtd_replay_handler(env, tdtd, dtrq);
lu_context_exit(&thread->t_env->le_ctx);
extend_recovery_timer(obd, obd_timeout, true);
- LASSERT(tdtd->tdtd_last_update_transno <= transno);
- tdtd->tdtd_last_update_transno = transno;
+
+ /* Add it to the replay finish list */
+ spin_lock(&tdtd->tdtd_replay_list_lock);
+ if (dtrq->dtrq_xid != 0) {
+ CDEBUG(D_HA, "Move x"LPU64" t"LPU64
+ " to finish list\n", dtrq->dtrq_xid,
+ dtrq->dtrq_master_transno);
+ list_add(&dtrq->dtrq_list,
+ &tdtd->tdtd_replay_finish_list);
+ } else {
+ dtrq_destroy(dtrq);
+ }
+ spin_unlock(&tdtd->tdtd_replay_list_lock);
+
spin_lock(&obd->obd_recovery_task_lock);
- if (transno > obd->obd_next_recovery_transno)
- obd->obd_next_recovery_transno = transno;
+ if (transno == obd->obd_next_recovery_transno)
+ obd->obd_next_recovery_transno++;
+ else if (transno > obd->obd_next_recovery_transno)
+ obd->obd_next_recovery_transno = transno + 1;
spin_unlock(&obd->obd_recovery_task_lock);
- target_update_lcd(env, lut, dtrq);
- dtrq_destroy(dtrq);
+
} else {
spin_unlock(&obd->obd_recovery_task_lock);
LASSERT(list_empty(&obd->obd_req_replay_queue));
CDEBUG(D_HA, "Next recovery transno: "LPU64
", current: "LPU64", replaying\n",
obd->obd_next_recovery_transno, transno);
+
+ /* If the request has been replayed by update replay, then sends this
+ * request to the recovery thread (replay_request_or_update()), where
+ * it will be handled */
spin_lock(&obd->obd_recovery_task_lock);
- if (transno < obd->obd_next_recovery_transno) {
+ if (transno < obd->obd_next_recovery_transno &&
+ !is_req_replayed_by_update(req)) {
/* Processing the queue right now, don't re-add. */
LASSERT(list_empty(&req->rq_list));
spin_unlock(&obd->obd_recovery_task_lock);
static int target_send_reply_msg(struct ptlrpc_request *req,
int rc, int fail_id)
{
- if (OBD_FAIL_CHECK_ORSET(fail_id & ~OBD_FAIL_ONCE, OBD_FAIL_ONCE)) {
- DEBUG_REQ(D_ERROR, req, "dropping reply");
- return (-ECOMM);
- }
+ if (OBD_FAIL_CHECK_ORSET(fail_id & ~OBD_FAIL_ONCE, OBD_FAIL_ONCE)) {
+ DEBUG_REQ(D_ERROR, req, "dropping reply");
+ return -ECOMM;
+ }
+ if (unlikely(lustre_msg_get_opc(req->rq_reqmsg) == MDS_REINT &&
+ OBD_FAIL_CHECK(OBD_FAIL_MDS_REINT_MULTI_NET_REP)))
+ return -ECOMM;
- if (unlikely(rc)) {
- DEBUG_REQ(D_NET, req, "processing error (%d)", rc);
- req->rq_status = rc;
- return (ptlrpc_send_error(req, 1));
- } else {
- DEBUG_REQ(D_NET, req, "sending reply");
- }
+ if (unlikely(rc)) {
+ DEBUG_REQ(D_NET, req, "processing error (%d)", rc);
+ req->rq_status = rc;
+ return ptlrpc_send_error(req, 1);
+ } else {
+ DEBUG_REQ(D_NET, req, "sending reply");
+ }
- return (ptlrpc_send_reply(req, PTLRPC_REPLY_MAYBE_DIFFICULT));
+ return ptlrpc_send_reply(req, PTLRPC_REPLY_MAYBE_DIFFICULT);
}
void target_send_reply(struct ptlrpc_request *req, int rc, int fail_id)
EXIT;
}
-ldlm_mode_t lck_compat_array[] = {
+enum ldlm_mode lck_compat_array[] = {
[LCK_EX] = LCK_COMPAT_EX,
[LCK_PW] = LCK_COMPAT_PW,
[LCK_PR] = LCK_COMPAT_PR,
* Rather arbitrary mapping from LDLM error codes to errno values. This should
* not escape to the user level.
*/
-int ldlm_error2errno(ldlm_error_t error)
+int ldlm_error2errno(enum ldlm_error error)
{
- int result;
+ int result;
- switch (error) {
- case ELDLM_OK:
+ switch (error) {
+ case ELDLM_OK:
case ELDLM_LOCK_MATCHED:
result = 0;
break;
case ELDLM_BAD_NAMESPACE:
result = -EBADF;
break;
- default:
- if (((int)error) < 0) /* cast to signed type */
- result = error; /* as ldlm_error_t can be unsigned */
- else {
- CERROR("Invalid DLM result code: %d\n", error);
- result = -EPROTO;
- }
- }
- return result;
+ default:
+ if (((int)error) < 0) { /* cast to signed type */
+ result = error; /* as ldlm_error can be unsigned */
+ } else {
+ CERROR("Invalid DLM result code: %d\n", error);
+ result = -EPROTO;
+ }
+ }
+ return result;
}
EXPORT_SYMBOL(ldlm_error2errno);
/**
- * Dual to ldlm_error2errno(): maps errno values back to ldlm_error_t.
+ * Dual to ldlm_error2errno(): maps errno values back to enum ldlm_error.
*/
-ldlm_error_t ldlm_errno2error(int err_no)
+enum ldlm_error ldlm_errno2error(int err_no)
{
int error;
git://git.whamcloud.com / fs / lustre-release.git / blobdiff