LU-14286 osd-ldiskfs: fallocate() should zero new blocks

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

diff --git a/lustre/tests/ll_sparseness_write.c b/lustre/tests/ll_sparseness_write.c
index c63cc46..849e97c 100644 (file)
--- a/lustre/tests/ll_sparseness_write.c
+++ b/lustre/tests/ll_sparseness_write.c
@@ -1,6 +1,4 @@
-/* -*- 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.
@@ -17,11 +15,7 @@
  *
  * 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.
+ * http://www.gnu.org/licenses/gpl-2.0.html
  *
  * GPL HEADER END
  */
@@ -47,48 +41,49 @@
 #include <sys/stat.h>
 #include <fcntl.h>
 
-#define BUFSIZE (1024*1024)   
+#define BUFSIZE (1024 * 1024)
 
-/* Function: pwrite character '+' to <filename> at <offset> (man pwrite)
+/*
+ * Function: pwrite character '+' to <filename> at <offset> (man pwrite)
  * Return:   0 success
- *           1 failure */
+ *           1 failure
+ */
 int main(int argc, char**argv)
 {
-        int p_size;
-        unsigned int offset;
-        char *filename;
-        int fd;
-        char buf[] = "+++";
-        char *end;
+       int p_size;
+       unsigned int offset;
+       char *filename;
+       int fd;
+       char buf[] = "+++";
+       char *end;
 
-        if(argc != 3) {
-                fprintf(stderr, "Usage: %s <filename> <offset>(KB)\n", argv[0]);
-                exit(1);
-        }
+       if (argc != 3) {
+               fprintf(stderr, "Usage: %s <filename> <offset>(KB)\n", argv[0]);
+               exit(1);
+       }
 
-        filename = argv[1];
-        offset = strtoul(argv[2], &end, 10);
-        if (*end) {
-                fprintf(stderr, "<offset> parameter should be integer\n");
-                exit(1);
-        }
+       filename = argv[1];
+       offset = strtoul(argv[2], &end, 10);
+       if (*end) {
+               fprintf(stderr, "<offset> parameter should be integer\n");
+               exit(1);
+       }
 
-        fd = open(filename, O_CREAT|O_RDWR, 0644);
-        if (fd == -1) {
-                fprintf(stderr, "Opening %s fails (%s)\n", 
-                        filename, strerror(errno));
-                return 1;
-        }
+       fd = open(filename, O_CREAT|O_RDWR, 0644);
+       if (fd == -1) {
+               fprintf(stderr, "Opening %s fails (%s)\n",
+                       filename, strerror(errno));
+               return 1;
+       }
 
-        /* write the character '+' at offset */
-        p_size = pwrite(fd, buf, 1, offset);
-        if (p_size != 1) {
-                fprintf(stderr, "pwrite %s fails (%s)\n", 
-                        filename, strerror(errno));
-                close(fd);
-                return 1;
-        }
-                
-        close(fd);
-        return 0;
+       /* write the character '+' at offset */
+       p_size = pwrite(fd, buf, 1, offset);
+       if (p_size != 1) {
+               fprintf(stderr, "pwrite %s fails (%s)\n",
+                       filename, strerror(errno));
+               close(fd);
+               return 1;
+       }
+       close(fd);
+       return 0;
 }