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Add move-blocks test
Add a basic test of the move_blocks ioctl. Signed-off-by: Zach Brown <zab@versity.com>
This commit is contained in:
Zach Brown
33
tests/golden/move-blocks
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33
tests/golden/move-blocks
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== build test files
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== wrapped offsets should fail
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ioctl failed on '/mnt/test/test/move-blocks/to': Value too large for defined data type (75)
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scoutfs: move-blocks failed: Value too large for defined data type (75)
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ioctl failed on '/mnt/test/test/move-blocks/to': Value too large for defined data type (75)
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scoutfs: move-blocks failed: Value too large for defined data type (75)
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== specifying same file fails
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ioctl failed on '/mnt/test/test/move-blocks/hardlink': Invalid argument (22)
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scoutfs: move-blocks failed: Invalid argument (22)
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== specifying files in other file systems fails
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ioctl failed on '/mnt/test/test/move-blocks/to': Invalid cross-device link (18)
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scoutfs: move-blocks failed: Invalid cross-device link (18)
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== offsets must be multiples of 4KB
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ioctl failed on '/mnt/test/test/move-blocks/to': Invalid argument (22)
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scoutfs: move-blocks failed: Invalid argument (22)
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ioctl failed on '/mnt/test/test/move-blocks/to': Invalid argument (22)
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scoutfs: move-blocks failed: Invalid argument (22)
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ioctl failed on '/mnt/test/test/move-blocks/to': Invalid argument (22)
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scoutfs: move-blocks failed: Invalid argument (22)
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== can't move onto existing extent
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ioctl failed on '/mnt/test/test/move-blocks/to': Invalid argument (22)
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scoutfs: move-blocks failed: Invalid argument (22)
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== can't move between files with offline extents
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ioctl failed on '/mnt/test/test/move-blocks/to': No data available (61)
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scoutfs: move-blocks failed: No data available (61)
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ioctl failed on '/mnt/test/test/move-blocks/to': No data available (61)
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scoutfs: move-blocks failed: No data available (61)
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== basic moves work
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== moving final partial block sets partial i_size
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123
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== moving updates inode fields
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== moving blocks backwards works
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== combine many files into one
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@@ -6,6 +6,7 @@ simple-staging.sh
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simple-release-extents.sh
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simple-release-extents.sh
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setattr_more.sh
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setattr_more.sh
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offline-extent-waiting.sh
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offline-extent-waiting.sh
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move-blocks.sh
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srch-basic-functionality.sh
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srch-basic-functionality.sh
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simple-xattr-unit.sh
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simple-xattr-unit.sh
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lock-refleak.sh
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lock-refleak.sh
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169
tests/tests/move-blocks.sh
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169
tests/tests/move-blocks.sh
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#
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# test MOVE_BLOCKS ioctl, mostly basic error testing and functionality,
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# but a bit of expected use.
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#
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t_require_commands scoutfs dd
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FROM="$T_D0/from"
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TO="$T_D0/to"
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HARD="$T_D0/hardlink"
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OTHER="$T_TMP.other"
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BLOCKS=8
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BS=4096
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PART=123
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LEN=$(((BS * BLOCKS) + PART))
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PIECES=8
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regenerate_files() {
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rm -f "$FROM"
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rm -f "$TO"
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dd if=/dev/urandom of="$FROM" bs=$LEN count=1 status=none
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touch "$TO"
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}
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set_updated_fields() {
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local arr="$1"
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local path="$2"
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eval $arr["ctime"]="$(stat -c '%Z' "$path")"
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eval $arr["mtime"]="$(stat -c '%Y' "$path")"
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eval $arr["data_version"]="$(scoutfs stat -s data_version "$path")"
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eval $arr["meta_seq"]="$(scoutfs stat -s meta_seq "$path")"
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eval $arr["data_seq"]="$(scoutfs stat -s data_seq "$path")"
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}
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#
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# before moving extents manually copy the byte regions so that we have
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# expected good file contents to compare to. We know that the byte
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# regions are 4KB block aligned (with an allowance for a len that ends
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# on from i_size).
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#
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move_and_compare() {
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local from="$1"
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local from_off="$2"
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local from_blk="$((from_off / BS))"
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local len="$3"
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local blocks="$(((len + BS - 1) / BS))"
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local to="$4"
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local to_off="$5"
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local to_blk="$((to_off / BS))"
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local right_start=$((from_blk + blocks))
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local from_size=$(stat -c "%s" "$from")
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local from_blocks=$(( (from_size + BS - 1) / BS ))
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local right_len=$((from_blocks - right_start))
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# copying around instead of punching hole
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dd if="$from" of="$from.expected" bs="$BS" \
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skip=0 seek=0 count="$from_blk" \
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status=none
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dd if="$from" of="$from.expected" bs="$BS" \
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skip="$right_start" seek="$right_start" count="$right_len" \
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status=none conv=notrunc
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# moving doesn't truncate, expect full size when no data
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truncate -s "$from_size" "$from.expected"
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cp "$to" "$to.expected"
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dd if="$from" of="$to.expected" bs="$BS" \
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skip="$from_blk" seek="$to_blk" count="$blocks" \
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status=none conv=notrunc
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scoutfs move-blocks "$from" -f "$from_off" -l "$len" "$to" -t "$to_off" \
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2>&1 | t_filter_fs
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cmp "$from" "$from.expected"
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cmp "$to" "$to.expected"
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}
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echo "== build test files"
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regenerate_files
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touch "$OTHER"
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ln "$FROM" "$HARD"
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echo "== wrapped offsets should fail"
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HUGE=0x8000000000000000
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scoutfs move-blocks "$FROM" -f "$HUGE" -l "$HUGE" "$TO" -t 0 2>&1 | t_filter_fs
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scoutfs move-blocks "$FROM" -f 0 -l "$HUGE" "$TO" -t "$HUGE" 2>&1 | t_filter_fs
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echo "== specifying same file fails"
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scoutfs move-blocks "$FROM" -f 0 -l "$BS" "$HARD" -t 0 2>&1 | t_filter_fs
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echo "== specifying files in other file systems fails"
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scoutfs move-blocks "$OTHER" -f 0 -l "$BS" "$TO" -t 0 2>&1 | t_filter_fs
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echo "== offsets must be multiples of 4KB"
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scoutfs move-blocks "$FROM" -f 1 -l "$BS" "$TO" -t 0 2>&1 | t_filter_fs
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scoutfs move-blocks "$FROM" -f 0 -l 1 "$TO" -t 0 2>&1 | t_filter_fs
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scoutfs move-blocks "$FROM" -f 0 -l "$BS" "$TO" -t 1 2>&1 | t_filter_fs
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echo "== can't move onto existing extent"
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dd if=/dev/urandom of="$TO" bs=$BS count=1 status=none
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scoutfs move-blocks "$FROM" -f 0 -l "$BS" "$TO" -t 0 2>&1 | t_filter_fs
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echo "== can't move between files with offline extents"
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dd if=/dev/zero of="$TO" bs=$BS count=1 status=none
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vers=$(scoutfs stat -s data_version "$TO")
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scoutfs release "$TO" -V "$vers" -o 0 -l $BS
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scoutfs move-blocks "$FROM" -f 0 -l "$BS" "$TO" -t 0 2>&1 | t_filter_fs
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regenerate_files
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vers=$(scoutfs stat -s data_version "$FROM")
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scoutfs release "$FROM" -V "$vers" -o 0 -l $BS
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scoutfs move-blocks "$FROM" -f 0 -l "$BS" "$TO" -t 0 2>&1 | t_filter_fs
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regenerate_files
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echo "== basic moves work"
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move_and_compare "$FROM" 0 "$BS" "$TO" 0
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regenerate_files
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move_and_compare "$FROM" 0 "$BS" "$TO" "$BS"
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regenerate_files
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move_and_compare "$FROM" 0 "$LEN" "$TO" 0
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regenerate_files
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echo "== moving final partial block sets partial i_size"
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move_and_compare "$FROM" $((LEN - PART)) "$PART" "$TO" 0
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stat -c '%s' "$TO"
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regenerate_files
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echo "== moving updates inode fields"
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declare -A from_before from_after to_before to_after
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set_updated_fields from_before "$FROM"
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set_updated_fields to_before "$TO"
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t_quiet sync
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sleep 1
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move_and_compare "$FROM" 0 "$BS" "$TO" 0
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set_updated_fields from_after "$FROM"
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set_updated_fields to_after "$TO"
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for k in ${!from_after[@]}; do
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if [ "${from_before[$k]}" == "${from_after[$k]}" ]; then
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echo "move didn't change from $k ${from_before[$k]}"
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fi
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if [ "${to_before[$k]}" == "${to_after[$k]}" ]; then
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echo "move didn't change to $k ${to_before[$k]}"
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fi
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done
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regenerate_files
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echo "== moving blocks backwards works"
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cp "$FROM" "$FROM.orig"
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move_and_compare "$FROM" $((LEN - PART)) "$PART" "$TO" $((LEN - PART))
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for i in $(seq $((BLOCKS - 1)) -1 0); do
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move_and_compare "$FROM" $((i * BS)) "$BS" "$TO" $((i * BS))
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done
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cmp "$TO" "$FROM.orig"
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regenerate_files
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echo "== combine many files into one"
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for i in $(seq 0 $((PIECES - 1))); do
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dd if=/dev/urandom of="$FROM.$i" bs=$BS count=$BLOCKS status=none
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cat "$FROM.$i" >> "$TO.large"
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move_and_compare "$FROM.$i" 0 "$((BS * BLOCKS))" \
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"$TO" $((i * BS * BLOCKS))
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done
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((i++))
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cat "$FROM" >> "$TO.large"
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move_and_compare "$FROM" 0 "$LEN" "$TO" $((i * BS * BLOCKS))
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cmp "$TO.large" "$TO"
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t_pass
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