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Theodore Ts'o
76c21d6815
This makes it clear when we are using "mount ; umount" versus "mount
-o remount" for most file systems. The reason for this distinction is
(a) tests may want to test the difference between what happens on the
remount versus the munt paths, (b) with tmpfs, "mount ; umount" will
cause the contents of all of the files to disappear which makes many
tests sad, and (c) some mount options may not be changed using "mount
-o remount".
Currently _scratch_mount performs "_scratch_mount ; _scratch_umount"
so mechnically rename this function to _scratch_cycle_mount. This was
done mechnically using the script fragment:
git grep "_scratch_remount" | \
awk -F: '{print $1}' | sort -u | \
xargs sed -i 's/_scratch_remount/_scratch_cycle_mount/g'
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>
175 lines
4.0 KiB
Bash
Executable File
175 lines
4.0 KiB
Bash
Executable File
#! /bin/bash
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# FS QA Test No. btrfs/005
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#
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# Btrfs Online defragmentation tests
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#
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#-----------------------------------------------------------------------
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# Copyright (c) 2012 Fujitsu Liu Bo. All Rights Reserved.
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License as
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# published by the Free Software Foundation.
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#
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# This program is distributed in the hope that it would be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write the Free Software Foundation,
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# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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#-----------------------------------------------------------------------
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#
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seq=`basename $0`
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seqres=$RESULT_DIR/$seq
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echo "QA output created by $seq"
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here="`pwd`"
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tmp=/tmp/$$
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cnt=119
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filesize=48000
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status=1 # failure is the default!
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trap "_cleanup; exit \$status" 0 1 2 3 15
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_cleanup()
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{
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cd /
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rm -f $tmp.*
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}
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_create_file()
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{
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if [ $1 -ne 2 ]; then
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tmpfile="$SCRATCH_MNT/tmp_file"
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else
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mkdir -p $SCRATCH_MNT/tmp_dir
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tmpfile="$SCRATCH_MNT/tmp_dir/tmp_file"
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fi
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for i in `seq $cnt -1 0`; do
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dd if=/dev/zero of=$tmpfile bs=4k count=1 \
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conv=notrunc seek=$i oflag=sync &>/dev/null
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done
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# get md5sum
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md5sum $tmpfile > /tmp/checksum
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}
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_btrfs_online_defrag()
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{
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str=""
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# start = -1 is invalid, should fail
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if [ "$2" = "2" ];then
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str="$str -s -1 -l $((filesize / 2)) "
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elif [ "$2" = "3" ];then
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str="$str -s $((filesize + 1)) -l $((filesize / 2)) "
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# len = -1 is invalid, should fail
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elif [ "$2" = "4" ];then
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str="$str -l -1 "
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elif [ "$2" = "5" ];then
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str="$str -l $((filesize + 1)) "
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elif [ "$2" = "6" ];then
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str="$str -l $((filesize / 2)) "
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fi
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if [ "$3" = "2" ];then
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str="$str -c "
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fi
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if [ "$str" != "" ]; then
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$BTRFS_UTIL_PROG filesystem defragment $str $SCRATCH_MNT/tmp_file >> $seqres.full 2>&1
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else
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if [ "$1" = "1" ];then
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$BTRFS_UTIL_PROG filesystem defragment $SCRATCH_MNT/tmp_file >> $seqres.full 2>&1
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elif [ "$1" = "2" ];then
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$BTRFS_UTIL_PROG filesystem defragment $SCRATCH_MNT/tmp_dir >> $seqres.full 2>&1
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elif [ "$1" = "3" ];then
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$BTRFS_UTIL_PROG filesystem defragment $SCRATCH_MNT >> $seqres.full 2>&1
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fi
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fi
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ret_val=$?
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_scratch_cycle_mount
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# Older defrag returned "20" for success
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# e9393c2 btrfs-progs: defrag return zero on success
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if [ $ret_val -ne 0 -a $ret_val -ne 20 ]; then
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echo "btrfs filesystem defragment failed!"
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fi
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}
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_checksum()
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{
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md5sum -c /tmp/checksum > /dev/null 2>&1
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if [ $? -ne 0 ]; then
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echo "md5 checksum failed!"
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fi
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}
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_cleanup_defrag()
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{
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_scratch_unmount > /dev/null 2>&1
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}
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_setup_defrag()
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{
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_scratch_unmount > /dev/null 2>&1
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_scratch_mkfs > /dev/null 2>&1
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_scratch_mount
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_create_file $1
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}
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_rundefrag()
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{
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_setup_defrag $1
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_btrfs_online_defrag $1 $2 $3
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_checksum
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_cleanup_defrag
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_check_scratch_fs
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}
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# get standard environment, filters and checks
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. ./common/rc
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. ./common/filter
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. ./common/defrag
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# real QA test starts here
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_supported_fs btrfs
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_supported_os Linux
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_require_scratch
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rm -f $seqres.full
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_scratch_mkfs >/dev/null 2>&1
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_scratch_mount
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_require_defrag
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echo "defrag object | defragment range | defragment compress"
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echo "a single file | default | off"
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_rundefrag 1 1 1
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echo "a single file | default | on"
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_rundefrag 1 1 2
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echo "a single file | start < 0 && 0 < len < file size | off (should fail)"
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_rundefrag 1 2 1
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echo "a single file | start > file size && 0 < len < file size | off"
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_rundefrag 1 3 1
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echo "a single file | start = 0 && len < 0 | off (should fail)"
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_rundefrag 1 4 1
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echo "a single file | start = 0 && len > file size | off"
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_rundefrag 1 5 1
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echo "a single file | start = 0 && 0 < len < file size | off"
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_rundefrag 1 6 1
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echo "a directory | default | off"
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_rundefrag 2 1 1
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echo "a filesystem | default | off"
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_rundefrag 3 1 1
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status=0
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exit
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