mirror of
https://github.com/linux-apfs/apfstests.git
synced 2026-05-01 15:01:44 -07:00
Theodore Ts'o
e6f1dfa3e3
An 8 MB file system may not be big enough for certain file system configurations --- in particular, if the inode size is 2048 bytes. Make the test file system 10MB instead. Signed-off-by: Theodore Ts'o <tytso@mit.edu> Reviewed-by: Eryu Guan <eguan@redhat.com> Signed-off-by: Eryu Guan <eguan@redhat.com>
108 lines
2.9 KiB
Bash
Executable File
108 lines
2.9 KiB
Bash
Executable File
#! /bin/bash
|
|
# FS QA Test 021
|
|
#
|
|
# Regression test for commit:
|
|
# 688f869 ext4: Initialize fsync transaction ids in ext4_new_inode()
|
|
#
|
|
#-----------------------------------------------------------------------
|
|
# Copyright (c) 2016 Fujitsu. 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
|
|
|
|
# remove previous $seqres.full before test
|
|
rm -f $seqres.full
|
|
|
|
# real QA test starts here
|
|
_supported_fs ext4
|
|
_supported_os Linux
|
|
_require_scratch
|
|
_require_dumpe2fs
|
|
|
|
# 10M in bytes
|
|
fssize=$((10 * 1024 * 1024))
|
|
_scratch_mkfs_sized $fssize >> $seqres.full 2>&1
|
|
_require_metadata_journaling $SCRATCH_DEV
|
|
|
|
blocksize=`$DUMPE2FS_PROG -h $SCRATCH_DEV 2>/dev/null | grep "Block size" | \
|
|
awk '{print $3}'`
|
|
offset=0
|
|
found=0
|
|
# this is the jbd2 journal superblock magic number on disk, in big endian
|
|
magic="c0 3b 39 98"
|
|
|
|
while [ $offset -lt $fssize ]; do
|
|
if od -j $offset -N 4 -t x1 $SCRATCH_DEV | \
|
|
grep -i "$magic" >/dev/null; then
|
|
echo "Found journal: $offset" >> $seqres.full
|
|
found=1
|
|
break
|
|
fi
|
|
offset=$((offset + blocksize))
|
|
done
|
|
if [ $found -ne 1 ]; then
|
|
echo "Found no journal"
|
|
exit
|
|
fi
|
|
|
|
# Overwrite journal.s_squence to 0x 81d1a480
|
|
# 0x81d1a480 is hex form of 2178000000, and jbd2 journal is big endian on
|
|
# disk, the s_squence offset to the beginning of journal superblock is 24
|
|
# we do this to let jbd2 start to run with a initial big transaction id,
|
|
# which will reduce the time taken to trigger this bug.
|
|
$XFS_IO_PROG -c "pwrite -S 0x81 $((offset+24)) 1" \
|
|
-c "pwrite -S 0xd1 $((offset+25)) 1" \
|
|
-c "pwrite -S 0xa4 $((offset+26)) 1" \
|
|
-c "pwrite -S 0x80 $((offset+27)) 1" $SCRATCH_DEV >> $seqres.full 2>&1
|
|
|
|
trans_id=`$DUMPE2FS_PROG $SCRATCH_DEV 2>/dev/null | grep "Journal sequence" | \
|
|
awk '{print $NF}'`
|
|
echo "Initial transaction id is $trans_id"
|
|
_scratch_mount
|
|
|
|
do_fdatasync_work()
|
|
{
|
|
while [ 1 ]; do
|
|
$XFS_IO_PROG -f -c "fdatasync" $SCRATCH_MNT/testfile
|
|
done
|
|
}
|
|
|
|
do_fdatasync_work &
|
|
datasync_work_pid=$!
|
|
sleep 10
|
|
kill $datasync_work_pid >/dev/null 2>&1
|
|
|
|
# success, all done
|
|
status=0
|
|
exit
|