#!/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
- ;;
-
- fast_symlink)
- for num in $(seq 1 $DATASET_SIZE); do
- run_check $SUDO_HELPER touch $dirpath/$dataset_type.$num
- run_check cd $dirpath && $SUDO_HELPER ln -s $dataset_type.$num $dirpath/slink.$num && cd /
- 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
- ;;
-
- fifo)
- for num in $(seq 1 $DATASET_SIZE); do
- run_check $SUDO_HELPER mkfifo $dirpath/$dataset_type.$num
- done
- ;;
-
- slow_symlink)
- long_filename=`date +%s | sha256sum | cut -f1 -d'-'`
- run_check $SUDO_HELPER touch $dirpath/$long_filename
- for num in $(seq 1 $DATASET_SIZE); do
- run_check $SUDO_HELPER ln -s $dirpath/$long_filename $dirpath/slow_slink.$num
- done
- ;;
- esac
+# mount image of converted filesystem of a given type
+# $1: type of the filesystem
+run_check_mount_convert_dev()
+{
+ local fstype
+ local loop_opt
+
+ setup_root_helper
+
+ fstype="$1"
+ shift
+ if [ -z "$fstype" ]; then
+ _fail "Missing source filesystem type"
+ fi
+ if [ "$fstype" = 'btrfs' ]; then
+ _fail "Incorrect type for converted filesystem: btrfs"
+ fi
+
+ if [[ -b "$TEST_DEV" ]]; then
+ loop_opt=""
+ elif [[ -f "$TEST_DEV" ]]; then
+ loop_opt="-o loop"
+ else
+ _fail "Invalid \$TEST_DEV: $TEST_DEV"
+ fi
+
+ [[ -d "$TEST_MNT" ]] || {
+ _fail "Invalid \$TEST_MNT: $TEST_MNT"
+ }
+
+ run_check $SUDO_HELPER mount $loop_opt -t "$fstype" "$@" "$TEST_DEV" "$TEST_MNT"
}
populate_fs() {
msg="$2"
shift 3
echo " [TEST/conv] $msg, btrfs" "${features:-defaults}"
- echo "creating ext image with: $@" >> $RESULTS
+ echo "creating ext image with: $@" >> "$RESULTS"
}
# prepare TEST_DEV before conversion, create filesystem and mount it, image
# size is 512MB
-# $@: free form, command to create the filesystem, with appended -F
+# $1: type of the filesystem
+# $2+: free form, command to create the filesystem, with appended -F
convert_test_prep_fs() {
+ local fstype
+
+ fstype="$1"
+ shift
# 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 $TEST_DEV
+ run_check truncate -s 0 "$TEST_DEV"
# 256MB is the smallest acceptable btrfs image.
- run_check truncate -s 512M $TEST_DEV
- run_check "$@" -F $TEST_DEV
+ run_check truncate -s 512M "$TEST_DEV"
+ run_check "$@" -F "$TEST_DEV"
# create a file to check btrfs-convert can convert regular file correct
- run_check_mount_test_dev
+ run_check_mount_convert_dev "$fstype"
# 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
+ of="$TEST_MNT/convert_space_holder"
}
# generate md5 checksums of files on $TEST_MNT
convert_test_gen_checksums() {
_assert_path "$1"
- run_check $SUDO_HELPER dd if=/dev/zero of=$TEST_MNT/test bs=$nodesize \
+ 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 {} \+ > "$1"
+ run_check_stdout $SUDO_HELPER find "$TEST_MNT" -type f ! -name 'image' -exec md5sum {} \+ > "$1"
}
# list $TEST_MNT data set file permissions.
# $1: path where the permissions will be stored
PERMTMP="$1"
FILES_LIST=$(mktemp --tmpdir btrfs-progs-convert.fileslistXXXXXX)
- run_check $SUDO_HELPER dd if=/dev/zero of=$TEST_MNT/test bs=$nodesize \
+ 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' -fprint $FILES_LIST
+ run_check_stdout $SUDO_HELPER find "$TEST_MNT" -type f ! -name 'image' -fprint "$FILES_LIST"
# Fix directory entries order
- sort $FILES_LIST -o $FILES_LIST
- for file in `cat $FILES_LIST` ;do
- run_check_stdout $SUDO_HELPER getfacl --absolute-names $file >> "$PERMTMP"
+ sort "$FILES_LIST" -o "$FILES_LIST"
+ for file in `cat "$FILES_LIST"` ;do
+ run_check_stdout $SUDO_HELPER getfacl --absolute-names "$file" >> "$PERMTMP"
done
- rm -- $FILES_LIST
+ rm -- "$FILES_LIST"
}
# list acls of files on $TEST_MNT
# $1: path where the acls will be stored
ACLTMP="$1"
FILES_LIST=$(mktemp --tmpdir btrfs-progs-convert.fileslistXXXXXX)
- run_check_stdout $SUDO_HELPER find $TEST_MNT/acls -type f -fprint $FILES_LIST
+ run_check_stdout $SUDO_HELPER find "$TEST_MNT/acls" -type f -fprint "$FILES_LIST"
# Fix directory entries order
- sort $FILES_LIST -o $FILES_LIST
- for file in `cat $FILES_LIST`;do
- run_check_stdout $SUDO_HELPER getfattr --absolute-names -d $file >> "$ACLTMP"
+ sort "$FILES_LIST" -o "$FILES_LIST"
+ for file in `cat "$FILES_LIST"`;do
+ run_check_stdout $SUDO_HELPER getfattr --absolute-names -d "$file" >> "$ACLTMP"
done
- rm -- $FILES_LIST
+ rm -- "$FILES_LIST"
}
# do conversion with given features and nodesize, fsck afterwards
# $1: features, argument of -O, can be empty
# $2: nodesize, argument of -N, can be empty
convert_test_do_convert() {
- run_check $TOP/btrfs-convert ${1:+-O "$1"} ${2:+-N "$2"} $TEST_DEV
- run_check $TOP/btrfs check $TEST_DEV
- run_check $TOP/btrfs inspect-internal dump-super -Ffa $TEST_DEV
+ run_check "$TOP/btrfs-convert" ${1:+-O "$1"} ${2:+-N "$2"} "$TEST_DEV"
+ run_check "$TOP/btrfs" check "$TEST_DEV"
+ run_check "$TOP/btrfs" inspect-internal dump-super -Ffa "$TEST_DEV"
}
# post conversion check, verify file permissions.
BTRFS_PERMTMP=$(mktemp --tmpdir btrfs-progs-convert.permXXXXXX)
convert_test_perm "$BTRFS_PERMTMP"
- btrfs_perm=`md5sum $BTRFS_PERMTMP | cut -f1 -d' '`
- ext_perm=`md5sum $EXT_PERMTMP | cut -f1 -d' '`
+ btrfs_perm=`md5sum "$BTRFS_PERMTMP" | cut -f1 -d' '`
+ ext_perm=`md5sum "$EXT_PERMTMP" | cut -f1 -d' '`
if [ "$btrfs_perm" != "$ext_perm" ];
then
- btrfs_perm_file=`md5sum $BTRFS_PERMTMP | cut -f2 -d' '`
- ext_perm_file=`md5sum $EXT_PERMTMP | cut -f2 -d' '`
+ btrfs_perm_file=`md5sum "$BTRFS_PERMTMP" | cut -f2 -d' '`
+ ext_perm_file=`md5sum "$EXT_PERMTMP" | cut -f2 -d' '`
_fail "file permission failed. Mismatched BTRFS:$btrfs_perm_file:$btrfs_perm EXT:$ext_perm_file:$ext_perm"
fi
- rm -- $BTRFS_PERMTMP
+ rm -- "$BTRFS_PERMTMP"
}
# post conversion check, compare BTRFS file acls against EXT.
# $1: file with ext acls.
BTRFS_ACLTMP=$(mktemp --tmpdir btrfs-progs-convert.aclsXXXXXXX)
convert_test_acl "$BTRFS_ACLTMP"
- btrfs_acl=`md5sum $BTRFS_ACLTMP | cut -f1 -d' '`
- ext_acl=`md5sum $EXT_ACLTMP | cut -f1 -d' '`
+ btrfs_acl=`md5sum "$BTRFS_ACLTMP" | cut -f1 -d' '`
+ ext_acl=`md5sum "$EXT_ACLTMP" | cut -f1 -d' '`
if [ "$btrfs_acl" != "$ext_acl" ]
then
- btrfs_acl_file=`md5sum $BTRFS_ACLTMP | cut -f2 -d' '`
- ext_acl_file=`md5sum $EXT_ACLTMP | cut -f2 -d' '`
+ btrfs_acl_file=`md5sum "$BTRFS_ACLTMP" | cut -f2 -d' '`
+ ext_acl_file=`md5sum "$EXT_ACLTMP" | cut -f2 -d' '`
_fail "file acl failed. Mismatched BTRFS:$btrfs_acl_file:$btrfs_acl EXT:$ext_acl_file:$ext_acl"
fi
- rm -- $BTRFS_ACLTMP
+ rm -- "$BTRFS_ACLTMP"
}
# post conversion checks, verify md5sums
convert_test_post_check_checksums "$1"
convert_test_post_check_permissions "$2"
convert_test_post_check_acl "$3"
+
+ # Create a large file to trigger data chunk allocation
+ generate_dataset "large"
run_check_umount_test_dev
}
# do rollback and fsck
convert_test_post_rollback() {
- run_check $TOP/btrfs-convert --rollback $TEST_DEV
- run_check fsck -n -t ext2,ext3,ext4 $TEST_DEV
+ run_check "$TOP/btrfs-convert" --rollback "$TEST_DEV"
+ run_check fsck -n -t ext2,ext3,ext4 "$TEST_DEV"
}
# simple wrapper for a convert test
-# $1: btrfs features, argument to -O
-# $2: description of the test "ext2 8k nodesize"
-# $3: nodesize value
-# $4 + rest: command to create the ext2 image
+# $1: type of the converted filesystem
+# $2: btrfs features, argument to -O
+# $3: description of the test "ext2 8k nodesize"
+# $4: nodesize value
+# $5 + rest: command to create the ext2 image
convert_test() {
+ local fstype
local features
local nodesize
local msg
local EXT_PERMTMP
local EXT_ACLTMP
- features="$1"
- msg="$2"
- nodesize="$3"
- shift 3
+ fstype="$1"
+ features="$2"
+ msg="$3"
+ nodesize="$4"
+ shift 4
convert_test_preamble "$features" "$msg" "$nodesize" "$@"
- convert_test_prep_fs "$@"
+ convert_test_prep_fs "$fstype" "$@"
populate_fs
CHECKSUMTMP=$(mktemp --tmpdir btrfs-progs-convert.XXXXXXXXXX)
EXT_PERMTMP=$(mktemp --tmpdir btrfs-progs-convert.permXXXXXX)
convert_test_do_convert "$features" "$nodesize"
convert_test_post_checks_all "$CHECKSUMTMP" "$EXT_PERMTMP" "$EXT_ACLTMP"
- rm $CHECKSUMTMP
- rm $EXT_PERMTMP
- rm $EXT_ACLTMP
+ rm -- "$CHECKSUMTMP"
+ rm -- "$EXT_PERMTMP"
+ rm -- "$EXT_ACLTMP"
convert_test_post_rollback
}
projects / platform / upstream / btrfs-progs.git / blobdiff