LU-9121 lnet: Delete a selection policy

[fs/lustre-release.git] / lnet / utils / lnetctl.c

diff --git a/lnet/utils/lnetctl.c b/lnet/utils/lnetctl.c
index 631c18e..97515e1 100644 (file)
--- a/lnet/utils/lnetctl.c
+++ b/lnet/utils/lnetctl.c
@@ -66,6 +66,7 @@ static int jt_set_discovery(int argc, char **argv);
 static int jt_set_drop_asym_route(int argc, char **argv);
 static int jt_list_peer(int argc, char **argv);
 static int jt_add_udsp(int argc, char **argv);
+static int jt_del_udsp(int argc, char **argv);
 /*static int jt_show_peer(int argc, char **argv);*/
 static int lnetctl_list_commands(int argc, char **argv);
 static int jt_import(int argc, char **argv);
@@ -108,7 +109,7 @@ command_t cmd_list[] = {
        {"ping", jt_ping, 0, "ping nid,[nid,...]"},
        {"discover", jt_discover, 0, "discover nid[,nid,...]"},
        {"service-id", jt_calc_service_id, 0, "Calculate IB Lustre service ID\n"},
-       {"udsp", jt_udsp, 0, "udsp {add | help}"},
+       {"udsp", jt_udsp, 0, "udsp {add | del | help}"},
        {"help", Parser_help, 0, "help"},
        {"exit", Parser_quit, 0, "quit"},
        {"quit", Parser_quit, 0, "quit"},
@@ -270,6 +271,8 @@ command_t udsp_cmds[] = {
         "\t--priority: priority value (0 - highest priority)\n"
         "\t--idx: index of where to insert the rule.\n"
         "\t       By default, appends to the end of the rule list.\n"},
+       {"del", jt_del_udsp, 0, "delete a udsp\n"
+       "\t--idx: index of the Policy.\n"},
        { 0, 0, 0, NULL }
 };
 
@@ -2143,6 +2146,45 @@ static int jt_add_udsp(int argc, char **argv)
        return rc;
 }
 
+static int jt_del_udsp(int argc, char **argv)
+{
+       struct cYAML *err_rc = NULL;
+       long int idx = 0;
+       int opt, rc = 0;
+
+       const char *const short_options = "i:";
+       static const struct option long_options[] = {
+       { .name = "idx",        .has_arg = required_argument, .val = 'i' },
+       { .name = NULL } };
+
+       rc = check_cmd(udsp_cmds, "udsp", "del", 0, argc, argv);
+       if (rc)
+               return rc;
+
+       while ((opt = getopt_long(argc, argv, short_options,
+                                 long_options, NULL)) != -1) {
+               switch (opt) {
+               case 'i':
+                       rc = parse_long(optarg, &idx);
+                       if (rc != 0)
+                               idx = 0;
+                       break;
+               case '?':
+                       print_help(udsp_cmds, "udsp", "add");
+               default:
+                       return 0;
+               }
+       }
+
+       rc = lustre_lnet_del_udsp(idx, -1, &err_rc);
+       if (rc != LUSTRE_CFG_RC_NO_ERR)
+               cYAML_print_tree2file(stderr, err_rc);
+
+       cYAML_free_tree(err_rc);
+
+       return rc;
+}
+
 static int lnetctl_list_commands(int argc, char **argv)
 {
        char buffer[81] = ""; /* 80 printable chars + terminating NUL */