Add tests for bugs found in ext4 & xfs SEEK_HOLE implementations
fixed by following patches:
xfs: Fix missed holes in SEEK_HOLE implementation
ext4: Fix SEEK_HOLE
Signed-off-by: Jan Kara <jack@xxxxxxx>
---
src/seek_sanity_test.c | 126 +++++++++++++++++++++++++++++++++++++++++++++++--
tests/generic/435 | 63 +++++++++++++++++++++++++
tests/generic/435.out | 1 +
tests/generic/group | 1 +
4 files changed, 186 insertions(+), 5 deletions(-)
create mode 100755 tests/generic/435
create mode 100644 tests/generic/435.out
diff --git a/src/seek_sanity_test.c b/src/seek_sanity_test.c
index a6dd48cc257b..646da058e102 100644
--- a/src/seek_sanity_test.c
+++ b/src/seek_sanity_test.c
@@ -246,6 +246,100 @@ out:
}
/*
+ * test file with unwritten extents, only have pagevec worth of dirty pages
+ * in page cache, a hole and then another page.
+ */
+static int test14(int fd, int testnum)
+{
+ int ret = 0;
+ char *buf = NULL;
+ int bufsz = sysconf(_SC_PAGE_SIZE) * 14;
+ int filsz = 4 << 20;
+
+ /* HOLE - unwritten DATA in dirty page */
+ /* Each unit is bufsz */
+ buf = do_malloc(bufsz);
+ if (!buf)
+ goto out;
+ memset(buf, 'a', bufsz);
+
+ /* preallocate 4M space to file */
+ ret = do_fallocate(fd, 0, filsz, 0);
+ if (ret < 0) {
+ /* Report success if fs doesn't support fallocate */
+ if (errno == EOPNOTSUPP) {
+ fprintf(stdout, "Test skipped as fs doesn't support fallocate.\n");
+ ret = 0;
+ }
+ goto out;
+ }
+
+ ret = do_pwrite(fd, buf, bufsz, 0);
+ if (ret)
+ goto out;
+
+ ret = do_pwrite(fd, buf, bufsz, 3 * bufsz);
+ if (ret)
+ goto out;
+
+ /* offset at the beginning */
+ ret += do_lseek(testnum, 1, fd, filsz, SEEK_HOLE, 0, bufsz);
+ ret += do_lseek(testnum, 2, fd, filsz, SEEK_HOLE, 1, bufsz);
+ ret += do_lseek(testnum, 2, fd, filsz, SEEK_HOLE, 3 * bufsz, 4 * bufsz);
+ ret += do_lseek(testnum, 3, fd, filsz, SEEK_DATA, 0, 0);
+ ret += do_lseek(testnum, 4, fd, filsz, SEEK_DATA, 1, 1);
+ ret += do_lseek(testnum, 3, fd, filsz, SEEK_DATA, bufsz, 3 * bufsz);
+
+out:
+ do_free(buf);
+ return ret;
+}
+
+/*
+ * test file with unwritten extents, only have pagevec worth of dirty pages
+ * in page cache.
+ */
+static int test13(int fd, int testnum)
+{
+ int ret = 0;
+ char *buf = NULL;
+ int bufsz = sysconf(_SC_PAGE_SIZE) * 14;
+ int filsz = 4 << 20;
+
+ /* HOLE - unwritten DATA in dirty page */
+ /* Each unit is bufsz */
+ buf = do_malloc(bufsz);
+ if (!buf)
+ goto out;
+ memset(buf, 'a', bufsz);
+
+ /* preallocate 4M space to file */
+ ret = do_fallocate(fd, 0, filsz, 0);
+ if (ret < 0) {
+ /* Report success if fs doesn't support fallocate */
+ if (errno == EOPNOTSUPP) {
+ fprintf(stdout, "Test skipped as fs doesn't support fallocate.\n");
+ ret = 0;
+ }
+ goto out;
+ }
+
+ ret = do_pwrite(fd, buf, bufsz, 0);
+ if (ret)
+ goto out;
+
+ /* offset at the beginning */
+ ret += do_lseek(testnum, 1, fd, filsz, SEEK_HOLE, 0, bufsz);
+ ret += do_lseek(testnum, 2, fd, filsz, SEEK_HOLE, 1, bufsz);
+ ret += do_lseek(testnum, 3, fd, filsz, SEEK_DATA, 0, 0);
+ ret += do_lseek(testnum, 4, fd, filsz, SEEK_DATA, 1, 1);
+
+out:
+ do_free(buf);
+ return ret;
+}
+
+/*
* Test huge file to check for overflows of block counts due to usage of
* 32-bit types.
*/
@@ -678,6 +772,8 @@ struct testrec seek_tests[] = {
{ 10, test10, "Test a huge file for offset overflow" },
{ 11, test11, "Test a huge file for block number signed" },
{ 12, test12, "Test a huge file for block number overflow" },
+ { 13, test13, "Test file with unwritten extents, only have pagevec dirty pages" },
+ { 14, test14, "Test file with unwritten extents, small hole after pagevec dirty pages" },
};
static int run_test(struct testrec *tr)
@@ -786,7 +882,7 @@ out:
void usage(char *cmd)
{
- fprintf(stdout, "Usage: %s [-t] base_file_path\n", cmd);
+ fprintf(stdout, "Usage: %s [-t] [-s <starttest>] [-e <endtest>] base_file_path\n", cmd);
exit(1);
}
@@ -797,12 +893,29 @@ int main(int argc, char **argv)
int opt;
int check_support = 0;
int numtests = sizeof(seek_tests) / sizeof(struct testrec);
+ int teststart = 1, testend = 12;
- while ((opt = getopt(argc, argv, "t")) != -1) {
+ while ((opt = getopt(argc, argv, "ts:e:")) != -1) {
switch (opt) {
case 't':
check_support++;
break;
+ case 's':
+ teststart = strtol(optarg, NULL, 10);
+ if (teststart <= 0) {
+ fprintf(stdout, "Invalid starting test: %s\n",
+ optarg);
+ usage(argv[0]);
+ }
+ break;
+ case 'e':
+ testend = strtol(optarg, NULL, 10);
+ if (testend <= 0) {
+ fprintf(stdout, "Invalid final test: %s\n",
+ optarg);
+ usage(argv[0]);
+ }
+ break;
default:
usage(argv[0]);
}
@@ -819,9 +932,12 @@ int main(int argc, char **argv)
goto out;
for (i = 0; i < numtests; ++i) {
- ret = run_test(&seek_tests[i]);
- if (ret)
- break;
+ if (seek_tests[i].test_num >= teststart &&
+ seek_tests[i].test_num <= testend) {
+ ret = run_test(&seek_tests[i]);
+ if (ret)
+ break;
+ }
}
out:
diff --git a/tests/generic/435 b/tests/generic/435
new file mode 100755
index 000000000000..80baf3b9a25b
--- /dev/null
+++ b/tests/generic/435
@@ -0,0 +1,63 @@
+#! /bin/bash
+# FS QA Test No. 435
+#
+# More SEEK_DATA/SEEK_HOLE sanity tests.
+#
+#-----------------------------------------------------------------------
+# Copyright (c) 2011 Oracle Inc. All Rights Reserved.
+# Copyright (c) 2011 Red Hat. 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 $seq"
+
+here=`pwd`
+status=1 # failure is the default!
+trap "_cleanup; exit \$status" 0 1 2 3 15
+
+# get standard environment, filters and checks
+. ./common/rc
+. ./common/filter
+
+_supported_fs generic
+_supported_os Linux
+
+_require_test
+_require_seek_data_hole
+
+BASE_TEST_FILE=$TEST_DIR/seek_sanity_testfile
+
+_require_test_program "seek_sanity_test"
+
+# Disable extent zeroing for ext4 as that change where holes are created
+if [ "$FSTYP" = "ext4" ]; then
+ DEV=`_short_dev $TEST_DEV`
+ echo 0 >/sys/fs/ext4/$DEV/extent_max_zeroout_kb
+fi
+
+_cleanup()
+{
+ eval "rm -f $BASE_TEST_FILE.*"
+}
+
+$here/src/seek_sanity_test -s 13 -e 16 $BASE_TEST_FILE > $seqres.full 2>&1 ||
+ _fail "seek sanity check failed!"
+
+# success, all done
+status=0
+exit
diff --git a/tests/generic/435.out b/tests/generic/435.out
new file mode 100644
index 000000000000..e10caa0f0b5f
--- /dev/null
+++ b/tests/generic/435.out
@@ -0,0 +1 @@
+QA output created by 435
diff --git a/tests/generic/group b/tests/generic/group
index 9fc7f9d419a8..c6628d97af76 100644
--- a/tests/generic/group
+++ b/tests/generic/group
@@ -432,3 +432,4 @@
427 auto quick aio rw
428 auto quick
429 auto encrypt
+435 auto quick rw
--
2.12.0
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