Merge pull request #6868 from H3C/wip-11642-cephfuse-useage

ceph-fuse:print usage information when no parameter specified Reviewed-by: Greg Farnum <gfarnum@redhat.com>
ceph · Jan 19, 2016 · b3cb68b · b3cb68b
2 parents e38f390 + 8fabcbb
commit b3cb68b
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/src/ceph_fuse.cc b/src/ceph_fuse.cc
@@ -69,6 +69,10 @@ int main(int argc, const char **argv, const char *envp[]) {
   //cerr << "ceph-fuse starting " << myrank << "/" << world << std::endl;
   vector<const char*> args;
   argv_to_vec(argc, argv, args);
+  if (args.empty()) {
+    usage();
+    return 0;
+  }
   env_to_vec(args);
 
   global_init(NULL, args, CEPH_ENTITY_TYPE_CLIENT, CODE_ENVIRONMENT_DAEMON,