blob: 68c03dc63f1b612f17723654484c1f0efd4bf97d [file] [log] [blame]
#!/bin/bash
#
# convert ext2/3/4 images to btrfs images, and make sure the results are
# clean.
#
unset TOP
unset LANG
LANG=C
SCRIPT_DIR=$(dirname $(readlink -f $0))
TOP=$(readlink -f $SCRIPT_DIR/../)
RESULTS="$TOP/tests/convert-tests-results.txt"
IMAGE="$TOP/tests/test.img"
source $TOP/tests/common
rm -f $RESULTS
setup_root_helper
convert_test() {
local features
local nodesize
features="$1"
shift
if [ -z "$features" ]; then
echo " [TEST] $1, btrfs defaults"
else
echo " [TEST] $1, btrfs $features"
fi
nodesize=$2
shift 2
echo "creating ext image with: $*" >> $RESULTS
# IMAGE 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 $IMAGE
# 256MB is the smallest acceptable btrfs image.
run_check truncate -s 256M $IMAGE
run_check $* -F $IMAGE
# create a file to check btrfs-convert can convert regular file
# correct
run_check $SUDO_HELPER mount $IMAGE $TEST_MNT
run_check $SUDO_HELPER dd if=/dev/zero of=$TEST_MNT/test bs=$nodesize \
count=1 1>/dev/null 2>&1
run_check $SUDO_HELPER umount $TEST_MNT
run_check $TOP/btrfs-convert ${features:+-O "$features"} -N "$nodesize" $IMAGE
run_check $TOP/btrfs check $IMAGE
run_check $TOP/btrfs-show-super $IMAGE
}
if ! [ -z "$TEST" ]; then
echo " [TEST] skipped all convert tests, TEST=$TEST"
exit 0
fi
for feature in '' 'extref' 'skinny-metadata' 'no-holes'; do
convert_test "$feature" "ext2 4k nodesize" 4096 mke2fs -b 4096
convert_test "$feature" "ext3 4k nodesize" 4096 mke2fs -j -b 4096
convert_test "$feature" "ext4 4k nodesize" 4096 mke2fs -t ext4 -b 4096
convert_test "$feature" "ext2 8k nodesize" 8192 mke2fs -b 4096
convert_test "$feature" "ext3 8k nodesize" 8192 mke2fs -j -b 4096
convert_test "$feature" "ext4 8k nodesize" 8192 mke2fs -t ext4 -b 4096
convert_test "$feature" "ext2 16k nodesize" 16384 mke2fs -b 4096
convert_test "$feature" "ext3 16k nodesize" 16384 mke2fs -j -b 4096
convert_test "$feature" "ext4 16k nodesize" 16384 mke2fs -t ext4 -b 4096
convert_test "$feature" "ext2 32k nodesize" 32768 mke2fs -b 4096
convert_test "$feature" "ext3 32k nodesize" 32768 mke2fs -j -b 4096
convert_test "$feature" "ext4 32k nodesize" 32768 mke2fs -t ext4 -b 4096
convert_test "$feature" "ext2 64k nodesize" 65536 mke2fs -b 4096
convert_test "$feature" "ext3 64k nodesize" 65536 mke2fs -j -b 4096
convert_test "$feature" "ext4 64k nodesize" 65536 mke2fs -t ext4 -b 4096
done