| #!/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 $SCRIPT_DIR/../) |
| TEST_MNT=${TEST_MNT:-$TOP/tests/mnt} |
| RESULTS="$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 $IMAGE |
| } |
| |
| for feature in '' 'extref' 'skinny-metadata' 'no-holes'; do |
| convert_test "$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 |