the commit:
10e6e65 xfs: be more forgiving of a v4 secondary sb w/ junk in v5 fields
broke primary sb CRC validation, not erroring out the mount
if the crc was bad.
This tests that it's fixed, and properly fails the mount on
a bad crc.
Signed-off-by: Eric Sandeen <sandeen@xxxxxxxxxx>
---
diff --git a/tests/xfs/308 b/tests/xfs/308
new file mode 100755
index 0000000..0806fcd
--- /dev/null
+++ b/tests/xfs/308
@@ -0,0 +1,66 @@
+#! /bin/bash
+# FS QA Test No. 308
+#
+# Test that a bad crc on a primary V5 superblock will fail the mount
+#
+# 10e6e65 xfs: be more forgiving of a v4 secondary sb w/ junk in v5 fields
+# inadvertently caused primary SB CRC failures to not error out, this
+# is a regression test for that fix.
+#
+#-----------------------------------------------------------------------
+# Copyright (c) 2014 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`
+tmp=/tmp/$$
+status=1 # failure is the default!
+trap "_cleanup; exit \$status" 0 1 2 3 15
+
+_cleanup()
+{
+ cd /
+ rm -f $tmp.*
+}
+
+# get standard environment, filters and checks
+. ./common/rc
+. ./common/filter
+
+# Modify as appropriate.
+_supported_fs xfs
+_supported_os Linux
+
+_require_scratch
+_require_xfs_mkfs_crc
+
+rm -f $seqres.full
+
+_scratch_mkfs_xfs -m crc=1 >> $seqres.full 2>&1 || _fail "mkfs failed"
+
+# Zap the crc. xfs_db updates the CRC post-write, so poke it directly
+$XFS_IO_PROG -c "pwrite 224 4" $SCRATCH_DEV | _filter_xfs_io
+
+# should FAIL, the crc is bad; golden output contains mount failure
+_scratch_mount
+
+# success, all done
+status=0
+exit
diff --git a/tests/xfs/308.out b/tests/xfs/308.out
new file mode 100644
index 0000000..3d19595
--- /dev/null
+++ b/tests/xfs/308.out
@@ -0,0 +1,4 @@
+QA output created by 308
+wrote 4/4 bytes at offset 224
+XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+mount: Structure needs cleaning
diff --git a/tests/xfs/group b/tests/xfs/group
index fbcd3e3..23bc4e9 100644
--- a/tests/xfs/group
+++ b/tests/xfs/group
@@ -187,3 +187,4 @@
305 auto quota
306 auto stress log metadata repair
307 auto quick growfs
+308 auto quick
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