btrfs-progs/tests/common.convert

136 lines
4.0 KiB
Plaintext
Raw Normal View History

#!/bin/bash
# helpers for btrfs-convert tests
# how many files to create.
DATASET_SIZE=50
generate_dataset() {
dataset_type="$1"
dirpath=$TEST_MNT/$dataset_type
run_check $SUDO_HELPER mkdir -p $dirpath
case $dataset_type in
small)
for num in $(seq 1 $DATASET_SIZE); do
run_check $SUDO_HELPER dd if=/dev/urandom of=$dirpath/$dataset_type.$num bs=10K \
count=1 >/dev/null 2>&1
done
;;
hardlink)
for num in $(seq 1 $DATASET_SIZE); do
run_check $SUDO_HELPER touch $dirpath/$dataset_type.$num
run_check $SUDO_HELPER ln $dirpath/$dataset_type.$num $dirpath/hlink.$num
done
;;
symlink)
for num in $(seq 1 $DATASET_SIZE); do
run_check $SUDO_HELPER touch $dirpath/$dataset_type.$num
run_check $SUDO_HELPER ln -s $dirpath/$dataset_type.$num $dirpath/slink.$num
done
;;
brokenlink)
for num in $(seq 1 $DATASET_SIZE); do
run_check $SUDO_HELPER ln -s $dirpath/$dataset_type.$num $dirpath/blink.$num
done
;;
perm)
for modes in 777 775 755 750 700 666 664 644 640 600 444 440 400 000 \
1777 1775 1755 1750 1700 1666 1664 1644 1640 1600 1444 1440 1400 1000 \
2777 2775 2755 2750 2700 2666 2664 2644 2640 2600 2444 2440 2400 2000 \
4777 4775 4755 4750 4700 4666 4664 4644 4640 4600 4444 4440 4400 4000; do
if [[ "$modes" == *9* ]] || [[ "$modes" == *8* ]]
then
continue;
else
run_check $SUDO_HELPER touch $dirpath/$dataset_type.$modes
run_check $SUDO_HELPER chmod $modes $dirpath/$dataset_type.$modes
fi
done
;;
sparse)
for num in $(seq 1 $DATASET_SIZE); do
run_check $SUDO_HELPER dd if=/dev/urandom of=$dirpath/$dataset_type.$num bs=10K \
count=1 >/dev/null 2>&1
run_check $SUDO_HELPER truncate -s 500K $dirpath/$dataset_type.$num
run_check $SUDO_HELPER dd if=/dev/urandom of=$dirpath/$dataset_type.$num bs=10K \
oflag=append conv=notrunc count=1 >/dev/null 2>&1
run_check $SUDO_HELPER truncate -s 800K $dirpath/$dataset_type.$num
done
;;
acls)
for num in $(seq 1 $DATASET_SIZE); do
run_check $SUDO_HELPER touch $dirpath/$dataset_type.$num
run_check $SUDO_HELPER setfacl -m "u:root:x" $dirpath/$dataset_type.$num
run_check $SUDO_HELPER setfattr -n user.foo -v bar$num $dirpath/$dataset_type.$num
done
;;
esac
}
populate_fs() {
for dataset_type in 'small' 'hardlink' 'symlink' 'brokenlink' 'perm' 'sparse' 'acls'; do
generate_dataset "$dataset_type"
done
}
convert_test() {
local features
local nodesize
features="$1"
shift
if [ -z "$features" ]; then
echo " [TEST/conv] $1, btrfs defaults"
else
echo " [TEST/conv] $1, btrfs $features"
fi
nodesize=$2
shift 2
echo "creating ext image with: $*" >> $RESULTS
# TEST_DEV not removed as the file might have special permissions, eg.
# when test image is on NFS and would not be writable for root
run_check truncate -s 0 $TEST_DEV
# 256MB is the smallest acceptable btrfs image.
run_check truncate -s 512M $TEST_DEV
run_check $* -F $TEST_DEV
CHECKSUMTMP=$(mktemp --tmpdir btrfs-progs-convert.XXXXXXXXXX)
# create a file to check btrfs-convert can convert regular file
# correct
run_check_mount_test_dev
# create a file inside the fs before convert, to make sure there is
# data covering btrfs backup superblock range (64M)
run_check $SUDO_HELPER dd if=/dev/zero bs=1M count=64 \
of=$TEST_MNT/convert_space_holder
populate_fs
run_check $SUDO_HELPER dd if=/dev/zero of=$TEST_MNT/test bs=$nodesize \
count=1 >/dev/null 2>&1
run_check_stdout $SUDO_HELPER find $TEST_MNT -type f ! -name 'image' -exec md5sum {} \+ > $CHECKSUMTMP
run_check_umount_test_dev
run_check $TOP/btrfs-convert ${features:+-O "$features"} -N "$nodesize" $TEST_DEV
run_check $TOP/btrfs check $TEST_DEV
run_check $TOP/btrfs-show-super -Ffa $TEST_DEV
run_check_mount_test_dev
run_check_stdout $SUDO_HELPER md5sum -c $CHECKSUMTMP |
grep -q 'FAILED' && _fail "file validation failed."
run_check_umount_test_dev
rm $CHECKSUMTMP
run_check $TOP/btrfs-convert --rollback $TEST_DEV
run_check fsck -n -t ext2,ext3,ext4 $TEST_DEV
}