From 73b1945cc7f55b204539977e52cadddbe2e880a2 Mon Sep 17 00:00:00 2001
From: rread <rread>
Date: Fri, 3 Oct 2003 23:46:46 +0000
Subject: [PATCH] adding llmount.c, which will be used as
 /sbin/mount.lustre_lite

---
 lustre/utils/llmount.c | 122 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 122 insertions(+)
 create mode 100644 lustre/utils/llmount.c

diff --git a/lustre/utils/llmount.c b/lustre/utils/llmount.c
new file mode 100644
index 0000000..fd0ed24
--- /dev/null
+++ b/lustre/utils/llmount.c
@@ -0,0 +1,122 @@
+/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
+ * vim:expandtab:shiftwidth=8:tabstop=8:
+ *
+ *  Copyright (C) 2002 Cluster File Systems, Inc.
+ *   Author: Robert Read <rread@clusterfs.com>
+ *
+ *   This file is part of Lustre, http://www.lustre.org.
+ *
+ *   Lustre is free software; you can redistribute it and/or
+ *   modify it under the terms of version 2 of the GNU General Public
+ *   License as published by the Free Software Foundation.
+ *
+ *   Lustre is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with Lustre; if not, write to the Free Software
+ *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <errno.h>
+#include <string.h>
+#include <sys/mount.h>
+#include <mntent.h>
+
+int verbose = 0;
+int nomtab = 0;
+
+
+static void
+update_mtab_entry(char *spec, char *node, char *type, char *opts,
+		  int flags, int freq, int pass) 
+{
+        FILE *fp;
+        struct mntent mnt;
+
+        mnt.mnt_fsname = spec;
+        mnt.mnt_dir = node;
+        mnt.mnt_type = type;
+        mnt.mnt_opts = opts;
+        mnt.mnt_freq = freq;
+        mnt.mnt_passno = pass;
+      
+        /* We get chatty now rather than after the update to mtab since the
+           mount succeeded, even if the write to /etc/mtab should fail.  */
+//        if (verbose)
+//                print_one (&mnt);
+
+        if (!nomtab) {
+                if (flags & MS_REMOUNT) {
+//                        update_mtab (mnt.mnt_dir, &mnt);
+                        ;
+                } else {
+                        fp = setmntent(MOUNTED, "a+");
+                        if (fp == NULL) {
+                                fprintf(stderr, "setmntent(%s): %s:", 
+                                        MOUNTED,
+                                        strerror (errno));
+                        } else {
+                                if ((addmntent (fp, &mnt)) == 1) {
+                                        fprintf(stderr, "addmntent: %s:", 
+                                                strerror (errno));
+                                }
+                                endmntent(fp);
+                        }
+                }
+        }
+}
+
+int
+main(int argc, char * const argv[])
+{
+        char * source = argv[1];
+        char * target = argv[2];
+        char * options = NULL;
+        int opt;
+        int i;
+        int rc;
+        
+	for (i = 0; i < argc; i++) {
+		printf("arg[%d] = %s\n", i, argv[i]);
+	}
+	while ((opt = getopt(argc, argv, "vno:")) != EOF) {
+
+		switch (opt) {
+		case 'v':
+                        verbose = 1;
+                        break;
+		case 'n':
+                        nomtab = 1;
+			break;
+			
+		case 'o':
+                        options = optarg;
+			break;
+                default:
+                        printf("default\n");
+		}
+	}
+               
+        if (optind < argc) {
+                printf("optind %d\n", optind);
+/*
+                while(optind < argc)
+*/
+        }
+        rc = mount(source, target, "lustre_lite", 0, options);
+        if (rc) {
+                perror("mount.lustre_lite:");
+        } else {
+                update_mtab_entry(source, target, "lustre_lite", options, 
+                                  0, 0, 0);
+        }
+	return rc;
+}
-- 
1.8.3.1