b=19415

[fs/lustre-release.git] / lustre / tests / directio.c

diff --git a/lustre/tests/directio.c b/lustre/tests/directio.c
index ebcedb2..e4ee62d 100644 (file)
--- a/lustre/tests/directio.c
+++ b/lustre/tests/directio.c
@@ -1,6 +1,39 @@
 /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
  * vim:expandtab:shiftwidth=8:tabstop=8:
+ *
+ * GPL HEADER START
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 only,
+ * as published by the Free Software Foundation.
+ *
+ * This program 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 version 2 for more details (a copy is included
+ * in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License
+ * version 2 along with this program; If not, see
+ * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ * GPL HEADER END
  */
+/*
+ * Copyright  2008 Sun Microsystems, Inc. All rights reserved
+ * Use is subject to license terms.
+ */
+/*
+ * This file is part of Lustre, http://www.lustre.org/
+ * Lustre is a trademark of Sun Microsystems, Inc.
+ */
+
 #ifndef _GNU_SOURCE
 #define  _GNU_SOURCE
 #endif
@@ -23,11 +56,12 @@ int main(int argc, char **argv)
         long len;
         off64_t seek;
         struct stat64 st;
+        char pad = 0xba;
         int action;
         int rc;
 
         if (argc < 5 || argc > 6) {
-                printf("Usage: %s <read/write/rdwr> file seek nr_blocks [blocksize]\n", argv[0]);
+                printf("Usage: %s <read/write/rdwr/readhole> file seek nr_blocks [blocksize]\n", argv[0]);
                 return 1;
         }
 
@@ -37,7 +71,10 @@ int main(int argc, char **argv)
                 action = O_WRONLY;
         else if (!strcmp(argv[1], "rdwr"))
                 action = O_RDWR;
-        else {
+        else if (!strcmp(argv[1], "readhole")) {
+                action = O_RDONLY;
+                pad = 0;
+        } else {
                 printf("Usage: %s <read/write/rdwr> file seek nr_blocks [blocksize]\n", argv[0]);
                 return 1;
         }
@@ -74,7 +111,7 @@ int main(int argc, char **argv)
                 printf("No memory %s\n", strerror(errno));
                 return 1;
         }
-        memset(wbuf, 0xba, len);
+        memset(wbuf, pad, len);
 
         if (action == O_WRONLY || action == O_RDWR) {
                 if (lseek64(fd, seek, SEEK_SET) < 0) {