LU-2466 lnet: Use Hash Table for Remote Route List

[fs/lustre-release.git] / lnet / lnet / router_proc.c

diff --git a/lnet/lnet/router_proc.c b/lnet/lnet/router_proc.c
index 8b88987..7b16298 100644 (file)
--- a/lnet/lnet/router_proc.c
+++ b/lnet/lnet/router_proc.c
@@ -199,37 +199,45 @@ int LL_PROC_PROTO(proc_lnet_routes)
                lnet_route_t            *route = NULL;
                lnet_remotenet_t        *rnet  = NULL;
                int                     skip  = off - 1;
+               cfs_list_t              *rn_list;
+               int                     i;
 
                lnet_net_lock(0);
 
                if (ver != LNET_PROC_VERSION(the_lnet.ln_remote_nets_version)) {
                        lnet_net_unlock(0);
-                        LIBCFS_FREE(tmpstr, tmpsiz);
-                        return -ESTALE;
-                }
+                       LIBCFS_FREE(tmpstr, tmpsiz);
+                       return -ESTALE;
+               }
 
-                n = the_lnet.ln_remote_nets.next;
+               for (i = 0; i < LNET_REMOTE_NETS_HASH_SIZE && route == NULL;
+                    i++) {
+                       rn_list = &the_lnet.ln_remote_nets_hash[i];
 
-                while (n != &the_lnet.ln_remote_nets && route == NULL) {
-                        rnet = cfs_list_entry(n, lnet_remotenet_t, lrn_list);
+                       n = rn_list->next;
 
-                        r = rnet->lrn_routes.next;
+                       while (n != rn_list && route == NULL) {
+                               rnet = cfs_list_entry(n, lnet_remotenet_t,
+                                                     lrn_list);
 
-                        while (r != &rnet->lrn_routes) {
-                                lnet_route_t *re =
-                                        cfs_list_entry(r, lnet_route_t,
-                                                       lr_list);
-                                if (skip == 0) {
-                                        route = re;
-                                        break;
-                                }
+                               r = rnet->lrn_routes.next;
 
-                                skip--;
-                                r = r->next;
-                        }
+                               while (r != &rnet->lrn_routes) {
+                                       lnet_route_t *re =
+                                               cfs_list_entry(r, lnet_route_t,
+                                                              lr_list);
+                                       if (skip == 0) {
+                                               route = re;
+                                               break;
+                                       }
 
-                        n = n->next;
-                }
+                                       skip--;
+                                       r = r->next;
+                               }
+
+                               n = n->next;
+                       }
+               }
 
                 if (route != NULL) {
                         __u32        net   = rnet->lrn_net;