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#! /bin/bash
# SPDX-License-Identifier: GPL-2.0
# Copyright (c) 2012 Fujitsu Liu Bo. All Rights Reserved.
#
# FS QA Test No. btrfs/005
#
# Btrfs Online defragmentation tests
#
. ./common/preamble
_begin_fstest auto defrag compress
cnt=119
filesize=48000
_create_file()
{
if [ $1 -ne 2 ]; then
tmpfile="$SCRATCH_MNT/tmp_file"
else
mkdir -p $SCRATCH_MNT/tmp_dir
tmpfile="$SCRATCH_MNT/tmp_dir/tmp_file"
fi
for i in `seq $cnt -1 0`; do
dd if=/dev/zero of=$tmpfile bs=4k count=1 \
conv=notrunc seek=$i oflag=sync &>/dev/null
done
# get md5sum
md5sum $tmpfile > /tmp/checksum
}
_btrfs_online_defrag()
{
str=""
# start = -1 is invalid, should fail
if [ "$2" = "2" ];then
str="$str -s -1 -l $((filesize / 2)) "
elif [ "$2" = "3" ];then
str="$str -s $((filesize + 1)) -l $((filesize / 2)) "
# len = -1 is invalid, should fail
elif [ "$2" = "4" ];then
str="$str -l -1 "
elif [ "$2" = "5" ];then
str="$str -l $((filesize + 1)) "
elif [ "$2" = "6" ];then
str="$str -l $((filesize / 2)) "
fi
if [ "$3" = "2" ];then
str="$str -c "
fi
if [ "$str" != "" ]; then
$BTRFS_UTIL_PROG filesystem defragment $str $SCRATCH_MNT/tmp_file >> $seqres.full 2>&1
else
if [ "$1" = "1" ];then
$BTRFS_UTIL_PROG filesystem defragment $SCRATCH_MNT/tmp_file >> $seqres.full 2>&1
elif [ "$1" = "2" ];then
$BTRFS_UTIL_PROG filesystem defragment $SCRATCH_MNT/tmp_dir >> $seqres.full 2>&1
elif [ "$1" = "3" ];then
$BTRFS_UTIL_PROG filesystem defragment $SCRATCH_MNT >> $seqres.full 2>&1
fi
fi
ret_val=$?
_scratch_cycle_mount
# Older defrag returned "20" for success
# e9393c2 btrfs-progs: defrag return zero on success
if [ $ret_val -ne 0 -a $ret_val -ne 20 ]; then
echo "btrfs filesystem defragment failed!"
fi
}
_checksum()
{
md5sum -c /tmp/checksum > /dev/null 2>&1
if [ $? -ne 0 ]; then
echo "md5 checksum failed!"
fi
}
_cleanup_defrag()
{
_scratch_unmount > /dev/null 2>&1
}
_setup_defrag()
{
_scratch_unmount > /dev/null 2>&1
_scratch_mkfs > /dev/null 2>&1
_scratch_mount
_create_file $1
}
_rundefrag()
{
_setup_defrag $1
_btrfs_online_defrag $1 $2 $3
_checksum
_cleanup_defrag
_check_scratch_fs
}
. ./common/filter
. ./common/defrag
_supported_fs btrfs
_require_scratch
_scratch_mkfs >/dev/null 2>&1
_scratch_mount
_require_defrag
echo "defrag object | defragment range | defragment compress"
echo "a single file | default | off"
_rundefrag 1 1 1
echo "a single file | default | on"
_rundefrag 1 1 2
echo "a single file | start < 0 && 0 < len < file size | off (should fail)"
_rundefrag 1 2 1
echo "a single file | start > file size && 0 < len < file size | off"
_rundefrag 1 3 1
echo "a single file | start = 0 && len < 0 | off (should fail)"
_rundefrag 1 4 1
echo "a single file | start = 0 && len > file size | off"
_rundefrag 1 5 1
echo "a single file | start = 0 && 0 < len < file size | off"
_rundefrag 1 6 1
echo "a directory | default | off"
_rundefrag 2 1 1
echo "a filesystem | default | off"
_rundefrag 3 1 1
status=0
exit
|
