xfs: log record crc mismatch test

index fade4bb..ba0dcbb 100755
@@ -1,7 +1,7 @@
 #! /bin/bash
 # FS QA Test No. 005
 #
-# Test that a bad crc on a primary V5 superblock will fail the mount
+# Test that a bad crc on a V5 filesystem 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

@@ -55,10 +55,12 @@ _supported_os Linux
 
 _require_scratch_nocheck
 _require_xfs_mkfs_crc
+_require_logdev
+logsize=2560
 
 rm -f $seqres.full
 
-_scratch_mkfs_xfs -m crc=1 >> $seqres.full 2>&1 || _fail "mkfs failed"
+_scratch_mkfs_xfs -m crc=1 -lsize=${logsize}b >> $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" -c fsync $SCRATCH_DEV | _filter_xfs_io

@@ -66,6 +68,28 @@ $XFS_IO_PROG -c "pwrite 224 4" -c fsync $SCRATCH_DEV | _filter_xfs_io
 # should FAIL, the crc is bad; golden output contains mount failure
 _scratch_mount 2>&1 | filter_mount
 
+_scratch_unmount &> /dev/null
+_scratch_mkfs_xfs -m crc=1 -lsize=${logsize}b  >> $seqres.full 2>&1 || _fail "mkfs failed"
+_scratch_mount >> $seqres.full 2>&1 || _fail "mount failed"
+
+# Run filesytem exercising for some time
+_param="-f link=10 -f creat=10 -f mkdir=10 -f truncate=5 -f symlink=10"
+$FSSTRESS_PROG $_param -s 1 $FSSTRESS_AVOID -n 1000 -d $SCRATCH_MNT &> /dev/null
+sleep 3
+
+# Shutdown filesystem and unmount
+src/godown -v $SCRATCH_MNT >> $seqres.full
+killall -q fsstress
+wait
+sleep 3
+_scratch_unmount
+
+# Zap log record crc.
+$XFS_IO_PROG -c "pwrite 5000 5" $SCRATCH_LOGDEV | _filter_xfs_io
+
+# should FAIL, log record crc is bad; golden output contains mount failure
+_scratch_mount 2>&1 | filter_mount
+
 # success, all done
 status=0
 exit

index 13d0125..8907301 100644
@@ -2,3 +2,6 @@ QA output created by 005
 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
+wrote 5/5 bytes at offset 5000
+XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+mount: Structure needs cleaning

new file mode 100755
index 0000000..6e025fe
@@ -0,0 +1,110 @@
+#! /bin/bash
+# FS QA Test No. 306
+#
+# Test that bad crc on a V5 log record will fail the mount
+#
+#-----------------------------------------------------------------------
+# Copyright (c) 2015 Oracle and/or its affiliates.  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.*
+}
+
+filter_mount()
+{
+    sed -e "s/mount .* failed: //"
+}
+
+filter_io()
+{
+    sed -e "s/at offset .*/at offset XXX/"
+}
+
+# $1 - log start offset
+# $2 - log device
+do_test()
+{
+    off=$1
+    dev=$2
+
+    _scratch_unmount >/dev/null 2>&1
+    _scratch_mount >> $seqres.full 2>&1 || _fail "mount failed"
+
+    # Run filesytem exercising for some time
+    param="-f link=10 -f creat=10 -f mkdir=10 -f truncate=5 -f symlink=10"
+    $FSSTRESS_PROG $param -s 1 $FSSTRESS_AVOID -n 1000 -d $SCRATCH_MNT &> /dev/null
+    sleep 3
+
+    # Shutdown filesystem and unmount
+    src/godown -v $SCRATCH_MNT >> $seqres.full
+    killall -q fsstress
+    wait
+    sleep 3
+    _scratch_unmount
+
+    # Zap log record crc
+    off=$((off + 5000))
+    $XFS_IO_PROG -c "pwrite $off 5" $dev | _filter_xfs_io | filter_io
+
+    # should FAIL, log record crc is bad; golden output contains mount failure
+    _scratch_mount 2>&1 | filter_mount
+}
+
+# get standard environment, filters and checks
+. ./common/rc
+. ./common/filter
+
+_supported_fs xfs
+_supported_os Linux
+
+_require_scratch_nocheck
+_require_xfs_mkfs_crc
+_require_logdev
+
+rm -f $seqres.full
+fssize=$((32 * 1024 * 1024))
+MKFS_OPTIONS="-m crc=1 $MKFS_OPTIONS"
+_scratch_mkfs_sized $fssize 2> /dev/null | _filter_mkfs 2> $tmp.mkfs > /dev/null
+. $tmp.mkfs
+
+# internal log corruption
+unset USE_EXTERNAL
+_scratch_mkfs_sized $fssize >> $seqres.full 2>&1 || _fail "mkfs failed"
+logstart=$($XFS_DB_PROG -c "sb 0" -c "print" $SCRATCH_DEV | grep logstart | cut -f3 -d' ')
+offset=$((logstart * lbsize))
+do_test $offset $SCRATCH_DEV
+
+# external log corruption
+USE_EXTERNAL="yes"
+_scratch_mkfs_sized $fssize >> $seqres.full 2>&1 || _fail "mkfs failed"
+do_test 0 $SCRATCH_LOGDEV
+
+# success, all done
+status=0
+exit

new file mode 100644
index 0000000..aef98f2
@@ -0,0 +1,7 @@
+QA output created by 306
+wrote 5/5 bytes at offset XXX
+XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+mount: Structure needs cleaning
+wrote 5/5 bytes at offset XXX
+XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+mount: Structure needs cleaning

index 58144d2..f108377 100644
@@ -191,3 +191,4 @@
 303 auto quick quota
 304 auto quick quota
 305 auto quota
+306 auto quick