mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/kdave/btrfs-progs.git
synced 2024-12-01 08:04:28 +08:00
292 lines
7.8 KiB
Bash
292 lines
7.8 KiB
Bash
#!/bin/bash
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# helpers for btrfs-convert tests
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# mount image of converted filesystem of a given type
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# $1: type of the filesystem
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run_check_mount_convert_dev()
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{
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local fstype
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local loop_opt
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setup_root_helper
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fstype="$1"
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shift
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if [ -z "$fstype" ]; then
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_fail "Missing source filesystem type"
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fi
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if [ "$fstype" = 'btrfs' ]; then
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_fail "Incorrect type for converted filesystem: btrfs"
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fi
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if [[ -b "$TEST_DEV" ]]; then
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loop_opt=""
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elif [[ -f "$TEST_DEV" ]]; then
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loop_opt="-o loop"
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else
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_fail "Invalid \$TEST_DEV: $TEST_DEV"
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fi
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[[ -d "$TEST_MNT" ]] || {
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_fail "Invalid \$TEST_MNT: $TEST_MNT"
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}
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run_check $SUDO_HELPER mount $loop_opt -t "$fstype" "$@" "$TEST_DEV" "$TEST_MNT"
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}
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populate_fs() {
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for dataset_type in 'small' 'hardlink' 'fast_symlink' 'brokenlink' 'perm' 'sparse' 'acls' 'fifo' 'slow_symlink'; do
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generate_dataset "$dataset_type"
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done
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}
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# verbose message before the test, same arguments as convert_test
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convert_test_preamble() {
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local features
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local msg
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features="$1"
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msg="$2"
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shift 3
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echo " [TEST/conv] $msg, btrfs" "${features:-defaults}"
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echo "creating test image with: $@" >> "$RESULTS"
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}
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# prepare TEST_DEV before conversion, create filesystem and mount it, image
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# size is 512MB
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# $1: type of the filesystem
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# $2+: free form, command to create the filesystem, with appended -F
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convert_test_prep_fs() {
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local fstype
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local force
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local mountopts
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fstype="$1"
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shift
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# TEST_DEV not removed as the file might have special permissions, eg.
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# when test image is on NFS and would not be writable for root
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run_check truncate -s 0 "$TEST_DEV"
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# 256MB is the smallest acceptable btrfs image.
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run_check truncate -s 512M "$TEST_DEV"
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force=
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mountopts=
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case "$fstype" in
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ext[234])
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force=-F ;;
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reiserfs)
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force=-ff
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mountopts="-o acl,user_xattr,attrs" ;;
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*)
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_fail "unknown filesystem to convert: $fstype"
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esac
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run_check "$@" $force "$TEST_DEV"
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# create a file to check btrfs-convert can convert regular file correct
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run_check_mount_convert_dev "$fstype" $mountopts
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# create a file inside the fs before convert, to make sure there is
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# data covering btrfs backup superblock range (64M)
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run_check $SUDO_HELPER dd if=/dev/zero bs=1M count=64 \
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of="$TEST_MNT/convert_space_holder"
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}
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# generate md5 checksums of files on $TEST_MNT
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# $1: path where the checksums will be stored
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convert_test_gen_checksums() {
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_assert_path "$1"
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run_check $SUDO_HELPER dd if=/dev/zero of="$TEST_MNT/test" "bs=$nodesize" \
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count=1 >/dev/null 2>&1
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run_check_stdout $SUDO_HELPER find "$TEST_MNT" -type f ! -name 'image' -exec md5sum {} \+ > "$1"
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}
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# list $TEST_MNT data set file permissions.
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# $1: path where the permissions will be stored
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convert_test_perm() {
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local PERMTMP
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_assert_path "$1"
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PERMTMP="$1"
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FILES_LIST=$(mktemp --tmpdir btrfs-progs-convert.fileslistXXXXXX)
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run_check $SUDO_HELPER dd if=/dev/zero of="$TEST_MNT/test" "bs=$nodesize" \
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count=1 >/dev/null 2>&1
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run_check_stdout $SUDO_HELPER find "$TEST_MNT" -type f ! -name 'image' -fprint "$FILES_LIST"
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# Fix directory entries order
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sort "$FILES_LIST" -o "$FILES_LIST"
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for file in `cat "$FILES_LIST"` ;do
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run_check_stdout $SUDO_HELPER getfacl --absolute-names "$file" >> "$PERMTMP"
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done
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rm -- "$FILES_LIST"
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}
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# list acls of files on $TEST_MNT
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# $1: path where the acls will be stored
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convert_test_acl() {
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local ACLSTMP
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ACLTMP="$1"
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FILES_LIST=$(mktemp --tmpdir btrfs-progs-convert.fileslistXXXXXX)
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run_check_stdout $SUDO_HELPER find "$TEST_MNT/acls" -type f -fprint "$FILES_LIST"
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# Fix directory entries order
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sort "$FILES_LIST" -o "$FILES_LIST"
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for file in `cat "$FILES_LIST"`;do
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run_check_stdout $SUDO_HELPER getfattr --absolute-names -d "$file" >> "$ACLTMP"
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done
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rm -- "$FILES_LIST"
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}
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# do conversion with given features and nodesize, fsck afterwards
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# $1: features, argument of -O, can be empty
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# $2: nodesize, argument of -N, can be empty
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convert_test_do_convert() {
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run_check "$TOP/btrfs-convert" ${1:+-O "$1"} ${2:+-N "$2"} "$TEST_DEV"
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run_check "$TOP/btrfs" check "$TEST_DEV"
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run_check "$TOP/btrfs" inspect-internal dump-super -Ffa "$TEST_DEV"
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}
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# post conversion check, verify file permissions.
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# $1: file with ext permissions.
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convert_test_post_check_permissions() {
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local EXT_PERMTMP
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local BTRFS_PERMTMP
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_assert_path "$1"
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EXT_PERMTMP="$1"
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BTRFS_PERMTMP=$(mktemp --tmpdir btrfs-progs-convert.permXXXXXX)
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convert_test_perm "$BTRFS_PERMTMP"
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btrfs_perm=`md5sum "$BTRFS_PERMTMP" | cut -f1 -d' '`
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ext_perm=`md5sum "$EXT_PERMTMP" | cut -f1 -d' '`
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if [ "$btrfs_perm" != "$ext_perm" ];
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then
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btrfs_perm_file=`md5sum "$BTRFS_PERMTMP" | cut -f2 -d' '`
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ext_perm_file=`md5sum "$EXT_PERMTMP" | cut -f2 -d' '`
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_fail "file permission failed. Mismatched BTRFS:$btrfs_perm_file:$btrfs_perm EXT:$ext_perm_file:$ext_perm"
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fi
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rm -- "$BTRFS_PERMTMP"
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}
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# post conversion check, compare BTRFS file acls against EXT.
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# $1: file with ext acls.
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convert_test_post_check_acl() {
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local EXT_ACLTMP
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local BTRFS_ACLTMP
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_assert_path "$1"
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EXT_ACLTMP="$1"
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BTRFS_ACLTMP=$(mktemp --tmpdir btrfs-progs-convert.aclsXXXXXXX)
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convert_test_acl "$BTRFS_ACLTMP"
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btrfs_acl=`md5sum "$BTRFS_ACLTMP" | cut -f1 -d' '`
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ext_acl=`md5sum "$EXT_ACLTMP" | cut -f1 -d' '`
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if [ "$btrfs_acl" != "$ext_acl" ]
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then
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btrfs_acl_file=`md5sum "$BTRFS_ACLTMP" | cut -f2 -d' '`
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ext_acl_file=`md5sum "$EXT_ACLTMP" | cut -f2 -d' '`
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_fail "file acl failed. Mismatched BTRFS:$btrfs_acl_file:$btrfs_acl EXT:$ext_acl_file:$ext_acl"
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fi
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rm -- "$BTRFS_ACLTMP"
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}
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# post conversion checks, verify md5sums
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convert_test_post_check_checksums() {
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_assert_path "$1"
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run_check_stdout $SUDO_HELPER md5sum -c "$1" |
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grep -q 'FAILED' && _fail "file validation failed"
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}
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# post conversion checks, all three in one call, on an unmounted image
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# $1: file with checksums
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# $2: file with permissions.
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# $3: file with acl entries.
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convert_test_post_checks_all() {
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_assert_path "$1"
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_assert_path "$2"
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_assert_path "$3"
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run_check_mount_test_dev
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convert_test_post_check_checksums "$1"
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convert_test_post_check_permissions "$2"
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convert_test_post_check_acl "$3"
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# Create a large file to trigger data chunk allocation
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generate_dataset "large"
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run_check_umount_test_dev
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}
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# do rollback and fsck
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# $1: filesystem name or alias (ext2 includes ext3 and ext4),
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convert_test_post_rollback() {
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local types
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run_check "$TOP/btrfs-convert" --rollback "$TEST_DEV"
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if [ -z "$1" ]; then
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_fail "missing filesystem type to check"
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fi
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case "$1" in
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ext[234]) types=ext2,ext3,ext4 ;;
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reiserfs) types=reiserfs ;;
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*) _fail "unknown filesystem type to check: $1" ;;
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esac
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run_check fsck -n -t "$types" "$TEST_DEV"
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}
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# simple wrapper for a convert test
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# $1: type of the converted filesystem
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# $2: btrfs features, argument to -O
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# $3: description of the test "ext2 8k nodesize"
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# $4: nodesize value
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# $5 + rest: command to create the ext2 image
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convert_test() {
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local fstype
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local features
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local nodesize
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local msg
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local CHECKSUMTMP
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local EXT_PERMTMP
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local EXT_ACLTMP
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fstype="$1"
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features="$2"
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msg="$3"
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nodesize="$4"
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shift 4
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convert_test_preamble "$features" "$msg" "$nodesize" "$@"
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convert_test_prep_fs "$fstype" "$@"
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populate_fs
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CHECKSUMTMP=$(mktemp --tmpdir btrfs-progs-convert.XXXXXXXXXX)
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EXT_PERMTMP=$(mktemp --tmpdir btrfs-progs-convert.permXXXXXX)
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EXT_ACLTMP=$(mktemp --tmpdir btrfs-progs-convert.aclsXXXXXXX)
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convert_test_gen_checksums "$CHECKSUMTMP"
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convert_test_perm "$EXT_PERMTMP"
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convert_test_acl "$EXT_ACLTMP"
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run_check_umount_test_dev
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convert_test_do_convert "$features" "$nodesize"
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convert_test_post_checks_all "$CHECKSUMTMP" "$EXT_PERMTMP" "$EXT_ACLTMP"
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rm -- "$CHECKSUMTMP"
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rm -- "$EXT_PERMTMP"
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rm -- "$EXT_ACLTMP"
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convert_test_post_rollback "$fstype"
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}
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load_module_reiserfs()
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{
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$SUDO_HELPER modprobe reiserfs
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}
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check_kernel_support_reiserfs()
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{
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if ! grep -iq 'reiserfs' /proc/filesystems; then
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echo "WARNING: reiserfs filesystem not listed in /proc/filesystems, some tests might be skipped"
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return 1
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fi
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return 0
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}
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