Regression test for commit:
3972f26 btrfs: update timestamps on truncate()
Signed-off-by: Eryu Guan <eguan@xxxxxxxxxx>
---
v1->v2: rebase on top of master
src/Makefile | 2 +-
src/t_truncate_cmtime.c | 110 ++++++++++++++++++++++++++++++++++++++++++++++++
tests/generic/313 | 55 ++++++++++++++++++++++++
tests/generic/313.out | 2 +
tests/generic/group | 1 +
5 files changed, 169 insertions(+), 1 deletion(-)
create mode 100644 src/t_truncate_cmtime.c
create mode 100755 tests/generic/313
create mode 100644 tests/generic/313.out
diff --git a/src/Makefile b/src/Makefile
index c18ffc9..cc679e8 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -11,7 +11,7 @@ TARGETS = dirstress fill fill2 getpagesize holes lstat64 \
devzero feature alloc fault fstest t_access_root \
godown resvtest writemod makeextents itrash rename \
multi_open_unlink dmiperf unwritten_sync genhashnames t_holes \
- t_mmap_writev
+ t_mmap_writev t_truncate_cmtime
LINUX_TARGETS = xfsctl bstat t_mtab getdevicesize preallo_rw_pattern_reader \
preallo_rw_pattern_writer ftrunc trunc fs_perms testx looptest \
diff --git a/src/t_truncate_cmtime.c b/src/t_truncate_cmtime.c
new file mode 100644
index 0000000..b08ca44
--- /dev/null
+++ b/src/t_truncate_cmtime.c
@@ -0,0 +1,110 @@
+/*
+ * Test ctime and mtime are updated on truncate(2) and ftruncate(2)
+ *
+ * Copyright (c) 2013 Red Hat, Inc. All Rights Reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it would 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 this program; if not, write the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+#define TEST_MSG "this is a test string"
+
+int do_test(const char *file, int is_ftrunc)
+{
+ int ret;
+ int fd;
+ struct stat statbuf1;
+ struct stat statbuf2;
+
+ ret = 0;
+ fd = open(file, O_RDWR | O_CREAT | O_TRUNC, 0644);
+ if (fd == -1) {
+ perror("open(2) failed");
+ exit(EXIT_FAILURE);
+ }
+
+ ret = write(fd, TEST_MSG, sizeof(TEST_MSG));
+ if (ret == -1) {
+ perror("write(2) failed");
+ exit(EXIT_FAILURE);
+ }
+
+ /* Get timestamps before [f]truncate(2) */
+ ret = fstat(fd, &statbuf1);
+ if (ret == -1) {
+ perror("fstat(2) failed");
+ exit(EXIT_FAILURE);
+ }
+
+ sleep(1);
+ if (is_ftrunc) {
+ ret = ftruncate(fd, 0);
+ if (ret == -1) {
+ perror("ftruncate(2) failed");
+ exit(EXIT_FAILURE);
+ }
+ } else {
+ ret = truncate(file, 0);
+ if (ret == -1) {
+ perror("truncate(2) failed");
+ exit(EXIT_FAILURE);
+ }
+ }
+
+ /* Get timestamps after [f]truncate(2) */
+ ret = fstat(fd, &statbuf2);
+ if (ret == -1) {
+ perror("fstat(2) failed");
+ exit(EXIT_FAILURE);
+ }
+
+ /* Check whether timestamps got updated */
+ if (statbuf1.st_ctime == statbuf2.st_ctime) {
+ fprintf(stderr, "ctime not updated after %s\n",
+ is_ftrunc ? "ftruncate" : "truncate");
+ ret++;
+ }
+ if (statbuf1.st_mtime == statbuf2.st_mtime) {
+ fprintf(stderr, "mtime not updated after %s\n",
+ is_ftrunc ? "ftruncate" : "truncate");
+ ret++;
+ }
+
+ close(fd);
+ return ret;
+}
+
+int main(int argc, char *argv[])
+{
+ int ret;
+ char *testfile;
+
+ ret = 0;
+ if (argc != 2) {
+ fprintf(stderr, "Usage: %s <filename>\n", argv[0]);
+ exit(EXIT_FAILURE);
+ }
+ testfile = argv[1];
+
+ ret = do_test(testfile, 0);
+ ret += do_test(testfile, 1);
+
+ exit(ret);
+}
diff --git a/tests/generic/313 b/tests/generic/313
new file mode 100755
index 0000000..1237ded
--- /dev/null
+++ b/tests/generic/313
@@ -0,0 +1,55 @@
+#! /bin/bash
+# FS QA Test No. 313
+#
+# Check ctime and mtime are updated on truncate(2) and ftruncate(2)
+#
+# Regression test for commit:
+# 3972f26 btrfs: update timestamps on truncate()
+#
+#-----------------------------------------------------------------------
+# Copyright (c) 2013 Red Hat, Inc. All Rights Reserved.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation.
+#
+# This program is distributed in the hope that it would 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 this program; if not, write the Free Software Foundation,
+# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+#-----------------------------------------------------------------------
+#
+
+seq=`basename $0`
+seqres=$RESULT_DIR/$seq
+echo "QA output created by $seq"
+
+here=`pwd`
+testfile=$TEST_DIR/testfile.$seq
+status=1 # failure is the default!
+trap "_cleanup; exit \$status" 0 1 2 3 15
+
+_cleanup()
+{
+ cd /
+ rm -f $testfile
+}
+
+# get standard environment, filters and checks
+. ./common/rc
+. ./common/filter
+
+# real QA test starts here
+_supported_fs generic
+_supported_os IRIX Linux
+
+echo "Silence is golden"
+
+$here/src/t_truncate_cmtime $testfile 2>&1
+
+status=0
+exit
diff --git a/tests/generic/313.out b/tests/generic/313.out
new file mode 100644
index 0000000..2684669
--- /dev/null
+++ b/tests/generic/313.out
@@ -0,0 +1,2 @@
+QA output created by 313
+Silence is golden
diff --git a/tests/generic/group b/tests/generic/group
index bd443c1..2a399fa 100644
--- a/tests/generic/group
+++ b/tests/generic/group
@@ -115,3 +115,4 @@
310 auto
311 auto metadata log
312 auto quick prealloc enospc
+313 auto quick
--
1.8.2.1
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