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LU-6142 lnet: use list_first_entry() in lnet/lnet subdirectory.
[fs/lustre-release.git] / lnet / lnet / lib-msg.c
index b20690b..69a85be 100644 (file)
@@ -68,13 +68,13 @@ lnet_build_msg_event(struct lnet_msg *msg, enum lnet_event_kind ev_type)
 
        if (ev_type == LNET_EVENT_SEND) {
                /* event for active message */
-               ev->target.nid    = le64_to_cpu(hdr->dest_nid);
-               ev->target.pid    = le32_to_cpu(hdr->dest_pid);
-               ev->initiator.nid = LNET_NID_ANY;
+               ev->target.nid    = hdr->dest_nid;
+               ev->target.pid    = hdr->dest_pid;
+               ev->initiator.nid = LNET_ANY_NID;
                ev->initiator.pid = the_lnet.ln_pid;
-               ev->source.nid    = LNET_NID_ANY;
+               ev->source.nid    = LNET_ANY_NID;
                ev->source.pid    = the_lnet.ln_pid;
-               ev->sender        = LNET_NID_ANY;
+               ev->sender        = LNET_ANY_NID;
        } else {
                /* event for passive message */
                ev->target.pid    = hdr->dest_pid;
@@ -85,7 +85,7 @@ lnet_build_msg_event(struct lnet_msg *msg, enum lnet_event_kind ev_type)
                /* Multi-Rail: track source NID. */
                ev->source.pid    = hdr->src_pid;
                ev->source.nid    = hdr->src_nid;
-               ev->rlength       = hdr->payload_length;
+               ev->rlength       = hdr->payload_length;
                ev->sender        = msg->msg_from;
                ev->mlength       = msg->msg_wanted;
                ev->offset        = msg->msg_offset;
@@ -384,13 +384,14 @@ lnet_complete_msg_locked(struct lnet_msg *msg, int cpt)
 
                ack_wmd = msg->msg_hdr.msg.put.ack_wmd;
 
-               lnet_prep_send(msg, LNET_MSG_ACK, msg->msg_ev.source, 0, 0);
+               lnet_prep_send(msg, LNET_MSG_ACK, &msg->msg_ev.source, 0, 0);
 
                msg->msg_hdr.msg.ack.dst_wmd = ack_wmd;
                msg->msg_hdr.msg.ack.match_bits = msg->msg_ev.match_bits;
                msg->msg_hdr.msg.ack.mlength = cpu_to_le32(msg->msg_ev.mlength);
 
-               rc = lnet_send(msg->msg_ev.target.nid, msg, msg->msg_from);
+               rc = lnet_send(&msg->msg_ev.target.nid, msg,
+                              &msg->msg_from);
 
                lnet_net_lock(cpt);
                /*
@@ -412,7 +413,7 @@ lnet_complete_msg_locked(struct lnet_msg *msg, int cpt)
                LASSERT(!msg->msg_receiving);   /* called back recv already */
                lnet_net_unlock(cpt);
 
-               rc = lnet_send(LNET_NID_ANY, msg, LNET_NID_ANY);
+               rc = lnet_send(NULL, msg, NULL);
 
                lnet_net_lock(cpt);
                /*
@@ -640,8 +641,8 @@ lnet_resend_msg_locked(struct lnet_msg *msg)
        msg->msg_target_is_router = 0;
 
        CDEBUG(D_NET, "%s->%s:%s:%s - queuing msg (%p) for resend\n",
-              libcfs_nid2str(msg->msg_hdr.src_nid),
-              libcfs_nid2str(msg->msg_hdr.dest_nid),
+              libcfs_nidstr(&msg->msg_hdr.src_nid),
+              libcfs_nidstr(&msg->msg_hdr.dest_nid),
               lnet_msgtyp2str(msg->msg_type),
               lnet_health_error2str(msg->msg_health_status), msg);
 
@@ -689,8 +690,8 @@ lnet_attempt_msg_resend(struct lnet_msg *msg)
        /* don't resend recovery messages */
        if (msg->msg_recovery) {
                CDEBUG(D_NET, "msg %s->%s is a recovery ping. retry# %d\n",
-                       libcfs_nid2str(msg->msg_from),
-                       libcfs_nid2str(msg->msg_target.nid),
+                       libcfs_nidstr(&msg->msg_from),
+                       libcfs_nidstr(&msg->msg_target.nid),
                        msg->msg_retry_count);
                return -ENOTRECOVERABLE;
        }
@@ -701,8 +702,8 @@ lnet_attempt_msg_resend(struct lnet_msg *msg)
         */
        if (msg->msg_no_resend) {
                CDEBUG(D_NET, "msg %s->%s requested no resend. retry# %d\n",
-                       libcfs_nid2str(msg->msg_from),
-                       libcfs_nid2str(msg->msg_target.nid),
+                       libcfs_nidstr(&msg->msg_from),
+                       libcfs_nidstr(&msg->msg_target.nid),
                        msg->msg_retry_count);
                return -ENOTRECOVERABLE;
        }
@@ -710,8 +711,8 @@ lnet_attempt_msg_resend(struct lnet_msg *msg)
        /* check if the message has exceeded the number of retries */
        if (msg->msg_retry_count >= lnet_retry_count) {
                CNETERR("msg %s->%s exceeded retry count %d\n",
-                       libcfs_nid2str(msg->msg_from),
-                       libcfs_nid2str(msg->msg_target.nid),
+                       libcfs_nidstr(&msg->msg_from),
+                       libcfs_nidstr(&msg->msg_target.nid),
                        msg->msg_retry_count);
                return -ENOTRECOVERABLE;
        }
@@ -738,9 +739,9 @@ lnet_attempt_msg_resend(struct lnet_msg *msg)
                return 0;
        }
 
-       while (!list_empty(&container->msc_resending)) {
-               msg = list_entry(container->msc_resending.next,
-                                       struct lnet_msg, msg_list);
+       while ((msg = list_first_entry_or_null(&container->msc_resending,
+                                              struct lnet_msg,
+                                              msg_list)) != NULL) {
                list_del(&msg->msg_list);
 
                /*
@@ -832,7 +833,7 @@ lnet_health_check(struct lnet_msg *msg)
 
        CDEBUG(D_NET, "health check: %s->%s: %s: %s\n",
               libcfs_nidstr(&ni->ni_nid),
-              (lo) ? "self" : libcfs_nid2str(lpni->lpni_nid),
+              (lo) ? "self" : libcfs_nidstr(&lpni->lpni_nid),
               lnet_msgtyp2str(msg->msg_type),
               lnet_health_error2str(hstatus));
 
@@ -877,6 +878,12 @@ lnet_health_check(struct lnet_msg *msg)
                        if (!lnet_isrouter(lpni))
                                handle_remote_health = false;
                }
+               /* Do not put my interfaces into peer NI recovery. They should
+                * be handled with local NI recovery.
+                */
+               if (handle_remote_health && lpni &&
+                   lnet_nid_to_ni_locked(&lpni->lpni_nid, 0))
+                       handle_remote_health = false;
                lnet_net_unlock(0);
        }
 
@@ -890,8 +897,6 @@ lnet_health_check(struct lnet_msg *msg)
                 * faster recovery.
                 */
                lnet_inc_healthv(&ni->ni_healthv, lnet_health_sensitivity);
-               lnet_net_lock(0);
-               ni->ni_ping_count = 0;
                /*
                 * It's possible msg_txpeer is NULL in the LOLND
                 * case. Only increment the peer's health if we're
@@ -901,7 +906,9 @@ lnet_health_check(struct lnet_msg *msg)
                 * as indication that the router is fully healthy.
                 */
                if (lpni && msg->msg_rx_committed) {
+                       lnet_net_lock(0);
                        lpni->lpni_ping_count = 0;
+                       ni->ni_ping_count = 0;
                        /*
                         * If we're receiving a message from the router or
                         * I'm a router, then set that lpni's health to
@@ -927,8 +934,8 @@ lnet_health_check(struct lnet_msg *msg)
                                                &the_lnet.ln_mt_peerNIRecovq,
                                                ktime_get_seconds());
                        }
+                       lnet_net_unlock(0);
                }
-               lnet_net_unlock(0);
 
                /* we can finalize this message */
                return -1;
@@ -1107,14 +1114,13 @@ lnet_send_error_simulation(struct lnet_msg *msg,
            return false;
 
        /* match only health rules */
-       if (!lnet_drop_rule_match(&msg->msg_hdr, LNET_NID_ANY,
-                                 hstatus))
+       if (!lnet_drop_rule_match(&msg->msg_hdr, NULL, hstatus))
                return false;
 
        CDEBUG(D_NET, "src %s(%s)->dst %s: %s simulate health error: %s\n",
-               libcfs_nid2str(msg->msg_hdr.src_nid),
+               libcfs_nidstr(&msg->msg_hdr.src_nid),
                libcfs_nidstr(&msg->msg_txni->ni_nid),
-               libcfs_nid2str(msg->msg_hdr.dest_nid),
+               libcfs_nidstr(&msg->msg_hdr.dest_nid),
                lnet_msgtyp2str(msg->msg_type),
                lnet_health_error2str(*hstatus));
 
@@ -1193,10 +1199,9 @@ again:
        }
 
        rc = 0;
-       while (!list_empty(&container->msc_finalizing)) {
-               msg = list_entry(container->msc_finalizing.next,
-                                struct lnet_msg, msg_list);
-
+       while ((msg = list_first_entry_or_null(&container->msc_finalizing,
+                                              struct lnet_msg,
+                                              msg_list)) != NULL) {
                list_del_init(&msg->msg_list);
 
                /* NB drops and regains the lnet lock if it actually does
@@ -1223,16 +1228,15 @@ EXPORT_SYMBOL(lnet_finalize);
 void
 lnet_msg_container_cleanup(struct lnet_msg_container *container)
 {
-       int     count = 0;
+       struct lnet_msg *msg;
+       int count = 0;
 
        if (container->msc_init == 0)
                return;
 
-       while (!list_empty(&container->msc_active)) {
-               struct lnet_msg *msg;
-
-               msg  = list_entry(container->msc_active.next,
-                                 struct lnet_msg, msg_activelist);
+       while ((msg = list_first_entry_or_null(&container->msc_active,
+                                              struct lnet_msg,
+                                              msg_activelist)) != NULL) {
                LASSERT(msg->msg_onactivelist);
                msg->msg_onactivelist = 0;
                list_del_init(&msg->msg_activelist);