new "mountpoint" export option.

[nfs-utils.git] / utils / exportfs / exportfs.c

diff --git a/utils/exportfs/exportfs.c b/utils/exportfs/exportfs.c
index 4c04098e1579475a5f66b5314872db308c599f41..bd48e98fd4eaeb68fb9023dd7ac2a549b1e71510 100644 (file)
--- a/utils/exportfs/exportfs.c
+++ b/utils/exportfs/exportfs.c
@@ -42,10 +42,14 @@ main(int argc, char **argv)
        int     f_reexport = 0;
        int     f_ignore = 0;
        int     i, c;
+       int     new_cache = 0;
+       int     force_flush = 0;
 
        xlog_open("exportfs");
 
-       while ((c = getopt(argc, argv, "aio:ruv")) != EOF) {
+       export_errno = 0;
+
+       while ((c = getopt(argc, argv, "aio:ruvf")) != EOF) {
                switch(c) {
                case 'a':
                        f_all = 1;
@@ -66,6 +70,9 @@ main(int argc, char **argv)
                case 'v':
                        f_verbose = 1;
                        break;
+               case 'f':
+                       force_flush = 1;
+                       break;
                default:
                        usage();
                        break;
@@ -90,6 +97,8 @@ main(int argc, char **argv)
                return 0;
        }
 
+       new_cache = check_new_cache();
+
        if (f_export && ! f_ignore)
                export_read(_PATH_EXPORTS);
        if (f_export) {
@@ -114,12 +123,17 @@ main(int argc, char **argv)
                                unexportfs(argv[i], f_verbose);
                rmtab_read();
        }
-       xtab_mount_read();
-       exports_update(f_verbose);
+       if (!new_cache) {
+               xtab_mount_read();
+               exports_update(f_verbose);
+       }
        xtab_export_write();
-       xtab_mount_write();
+       if (new_cache)
+               cache_flush(force_flush);
+       if (!new_cache)
+               xtab_mount_write();
 
-       return 0;
+       return export_errno;
 }
 
 /* we synchronise intention with reality.
@@ -133,6 +147,16 @@ exports_update(int verbose)
        nfs_export      *exp;
 
        for (exp = exportlist[MCL_FQDN]; exp; exp=exp->m_next) {
+               /* check mountpoint option */
+               if (exp->m_mayexport && 
+                   exp->m_export.e_mountpoint &&
+                   !is_mountpoint(exp->m_export.e_mountpoint[0]?
+                                  exp->m_export.e_mountpoint:
+                                  exp->m_export.e_path)) {
+                       printf("%s not exported as %s not a mountpoint.\n",
+                              exp->m_export.e_path, exp->m_export.e_mountpoint);
+                       exp->m_mayexport = 0;
+               }
                if (exp->m_mayexport && ((exp->m_exported<1) || exp->m_changed)) {
                        if (verbose)
                                printf("%sexporting %s:%s to kernel\n",
@@ -206,6 +230,7 @@ exportfs(char *arg, char *options, int verbose)
                } else
                        hp = hp2;
                exp = export_find(hp, path);
+               hname = hp->h_name;
        } else {
                exp = export_lookup(hname, path, 0);
        }
@@ -264,19 +289,22 @@ unexportfs(char *arg, int verbose)
                                          hname)))
                        continue;
                if (verbose) {
+#if 0
                        if (exp->m_exported) {
                                printf("unexporting %s:%s from kernel\n",
                                       exp->m_client->m_hostname,
                                       exp->m_export.e_path);
                        }
-                       else {
+                       else
+#endif
                                printf("unexporting %s:%s\n",
                                        exp->m_client->m_hostname, 
                                        exp->m_export.e_path);
-                       }
                }
+#if 0
                if (exp->m_exported && !export_unexport(exp))
                        error(exp, errno);
+#endif
                exp->m_xtabent = 0;
                exp->m_mayexport = 0;
        }
@@ -330,8 +358,10 @@ dump(int verbose)
                                c = dumpopt(c, "async");
                        if (ep->e_flags & NFSEXP_GATHERED_WRITES)
                                c = dumpopt(c, "wdelay");
-                       if (ep->e_flags & NFSEXP_CROSSMNT)
+                       if (ep->e_flags & NFSEXP_NOHIDE)
                                c = dumpopt(c, "nohide");
+                       if (ep->e_flags & NFSEXP_CROSSMNT)
+                               c = dumpopt(c, "crossmnt");
                        if (ep->e_flags & NFSEXP_INSECURE_PORT)
                                c = dumpopt(c, "insecure");
                        if (ep->e_flags & NFSEXP_ROOTSQUASH)
@@ -344,6 +374,12 @@ dump(int verbose)
                                c = dumpopt(c, "no_subtree_check");
                        if (ep->e_flags & NFSEXP_NOAUTHNLM)
                                c = dumpopt(c, "insecure_locks");
+                       if (ep->e_flags & NFSEXP_FSID)
+                               c = dumpopt(c, "fsid=%d", ep->e_fsid);
+                       if (ep->e_mountpoint)
+                               c = dumpopt(c, "mountpoint%s%s", 
+                                           ep->e_mountpoint[0]?"=":"", 
+                                           ep->e_mountpoint);
                        if (ep->e_maptype == CLE_MAP_UGIDD)
                                c = dumpopt(c, "mapping=ugidd");
                        else if (ep->e_maptype == CLE_MAP_FILE)