return 0;
}
+static int jt_pcc_list_commands(int argc, char **argv);
+static int jt_pcc(int argc, char **argv);
+
+/**
+ * command_t pccdev_cmdlist - lctl pcc commands.
+ */
+command_t pccdev_cmdlist[] = {
+ { .pc_name = "add", .pc_func = jt_pcc_add,
+ .pc_help = "Add a PCC backend to a client.\n"
+ "usage: lctl pcc add <mntpath> <pccpath> [--param|-p <param>]\n"
+ "\tmntpath: Lustre mount point.\n"
+ "\tpccpath: Path of the PCC backend.\n"
+ "\tparam: Setting parameters for PCC backend.\n" },
+ { .pc_name = "del", .pc_func = jt_pcc_del,
+ .pc_help = "Delete the specified PCC backend on a client.\n"
+ "usage: clt pcc del <mntpath> <pccpath>\n" },
+ { .pc_name = "clear", .pc_func = jt_pcc_clear,
+ .pc_help = "Remove all PCC backend on a client.\n"
+ "usage: lctl pcc clear <mntpath>\n" },
+ { .pc_name = "list", .pc_func = jt_pcc_list,
+ .pc_help = "List all PCC backends on a client.\n"
+ "usage: lctl pcc list <mntpath>\n" },
+ { .pc_name = "list-commands", .pc_func = jt_pcc_list_commands,
+ .pc_help = "list commands supported by lctl pcc"},
+ { .pc_name = "help", .pc_func = Parser_help, .pc_help = "help" },
+ { .pc_name = "exit", .pc_func = Parser_quit, .pc_help = "quit" },
+ { .pc_name = "quit", .pc_func = Parser_quit, .pc_help = "quit" },
+ { .pc_help = NULL }
+};
+
command_t cmdlist[] = {
/* Metacommands */
{"===== metacommands =======", NULL, 0, "metacommands"},
{"===== network config =====", NULL, 0, "network config"},
{"--net", jt_opt_net, 0, "run <command> after selecting network <net>\n"
"usage: --net <tcp/o2ib/...> <command>"},
- {"network", jt_ptl_network, 0, "configure LNET"
+ {"network", jt_ptl_network, 0, "configure LNET\n"
"usage: network up|down"},
- {"net", jt_ptl_network, 0, "configure LNET"
+ {"net", jt_ptl_network, 0, "configure LNET\n"
"usage: net up|down"},
- {"list_nids", jt_ptl_list_nids, 0, "list local NIDs"
+ {"list_nids", jt_ptl_list_nids, 0, "list local NIDs\n"
"usage: list_nids [all]"},
- {"which_nid", jt_ptl_which_nid, 0, "choose a NID"
+ {"which_nid", jt_ptl_which_nid, 0, "choose a NID\n"
"usage: which_nid NID [NID...]"},
{"replace_nids", jt_replace_nids, 0,
"replace primary NIDs for a device\n"
"add a range to a nodemap\n"
"usage: nodemap_del_range <nid_range>"},
{"nodemap_modify", jt_nodemap_modify, 0,
- "modify a nodemap parameters"
+ "modify a nodemap parameters\n"
"usage: nodemap_modify nodemap_name param value"},
{"nodemap_add_idmap", jt_nodemap_add_idmap, 0,
"add a UID or GID mapping to a nodemap"},
"deregister an existing changelog user\n"
"usage: --device <mdtname> changelog_deregister <id>"},
+ /* Persistent Client Cache (PCC) commands */
+ {"=== Persistent Client Cache ===", NULL, 0, "PCC user management"},
+ {"pcc", jt_pcc, pccdev_cmdlist,
+ "lctl commands used to interact with PCC features:\n"
+ "lctl pcc add - add a PCC backend to a client\n"
+ "lctl pcc del - delete a PCC backend on a client\n"
+ "lctl pcc clear - remove all PCC backends on a client\n"
+ "lctl pcc list - list all PCC backends on a client\n"},
+
/* Device configuration commands */
{"== device setup (these are not normally used post 1.4) ==",
NULL, 0, "device config"},
" [-t | --type lfsck_type[,lfsck_type...]]\n"
" [-w | --wait]"},
#endif /* HAVE_SERVER_SUPPORT */
- {"==== obsolete (DANGEROUS) ====", NULL, 0, "obsolete (DANGEROUS)"},
- /* some test scripts still use these */
{"cfg_device", jt_obd_device, 0,
"set current device to <name>\n"
"usage: device <name>"},
{"recover", jt_obd_recover, 0,
"try to restore a lost connection immediately\n"
"usage: recover [MDC/OSC device]"},
- /* saving for sanity 44a */
- {"lov_getconfig", jt_obd_lov_getconfig, 0,
- "read lov configuration from an mds device\n"
- "usage: lov_getconfig <mountpoint>"},
/* Llog operations */
{"llog_catlist", jt_llog_catlist, 0,
- "list all catalog logs on current device.\n"
+ "list all catalog files on current device.\n"
"usage: llog_catlist"},
{"llog_info", jt_llog_info, 0,
"print log header information.\n"
- "usage: llog_info <logname|[FID]>\n"
- " oid, ogr and ogen are hexadecimal."},
+ "usage: llog_info <logname|FID>\n"},
{"llog_print", jt_llog_print, 0,
"print log content information.\n"
- "usage: llog_print <logname|[FID]> [start_index [end_index]]\n"
- " print all records from index 1 by default."},
+ "usage: llog_print <logname|FID> [--start <index>] [--end <index>j]\n"
+ " print all records by default, or within given index range."},
+ {"llog_cancel", jt_llog_cancel, 0,
+ "cancel one record in specified log.\n"
+ "usage:llog_cancel <logname|FID> --log_idx <idx>\n"},
{"llog_check", jt_llog_check, 0,
- "print log content information.\n"
- "usage: llog_check <logname|[FID]> [start_index] [end_index]\n"
+ "verify that log content is valid.\n"
+ "usage: llog_check <logname|FID> [--start <index>] [--end <index>j]\n"
" check all records from index 1 by default."},
- {"llog_cancel", jt_llog_cancel, 0,
- "cancel one record in log.\n"
- "This command supports both positional and optional arguments\n"
- "usage (positional args): "
- "llog_cancel <catalog name|[FID]> [log id] <index>\n"
- "usage (optional args): "
- "llog_cancel --catalog <catalog id|catalog name> --log_id <log_id> "
- "--log_idx <index>"},
{"llog_remove", jt_llog_remove, 0,
"remove one log from catalog or plain log, erase it from disk.\n"
- "usage: llog_remove <catalog name|[FID]> <log id>"},
+ "usage: llog_remove <logname|FID> [--log_id <id>]"},
+ {"==== obsolete (DANGEROUS) ====", NULL, 0, "obsolete (DANGEROUS)"},
+ /* some test scripts still use these */
+ /* saving for sanity 44a */
+ {"lov_getconfig", jt_obd_lov_getconfig, 0,
+ "read lov configuration from an mds device\n"
+ "usage: lov_getconfig <mountpoint>"},
/* network operations */
{"add_interface", jt_ptl_add_interface, 0, "add interface entry\n"
"usage: add_interface ip [netmask]"},
{ 0, 0, 0, NULL }
};
+/**
+ * jt_pcc_list_commands() - List lctl pcc commands.
+ * @argc: The count of command line arguments.
+ * @argv: Array of strings for command line arguments.
+ *
+ * This function lists lctl pcc commands defined in pccdev_cmdlist[].
+ *
+ * Return: 0 on success.
+ */
+static int jt_pcc_list_commands(int argc, char **argv)
+{
+ char buffer[81] = "";
+
+ Parser_list_commands(pccdev_cmdlist, buffer, sizeof(buffer),
+ NULL, 0, 4);
+
+ return 0;
+}
+
+/**
+ * jt_pcc() - Parse and execute lctl pcc commands.
+ * @argc: The count of lctl pcc command line arguments.
+ * @argv: Array of strings for lctl pcc command line arguments.
+ *
+ * This function parses lfs pcc commands and performs the
+ * corresponding functions specified in pccdev_cmdlist[].
+ *
+ * Return: 0 on success or an error code on failure.
+ */
+static int jt_pcc(int argc, char **argv)
+{
+ char cmd[PATH_MAX];
+ int rc = 0;
+
+ setlinebuf(stdout);
+
+ Parser_init("lctl-pcc > ", pccdev_cmdlist);
+
+ snprintf(cmd, sizeof(cmd), "%s %s", program_invocation_short_name,
+ argv[0]);
+ program_invocation_short_name = cmd;
+ if (argc > 1)
+ rc = Parser_execarg(argc - 1, argv + 1, pccdev_cmdlist);
+ else
+ rc = Parser_commands();
+
+ return rc < 0 ? -rc : rc;
+}
+
int lctl_main(int argc, char **argv)
{
int rc;
git://git.whamcloud.com / fs / lustre-release.git / blobdiff