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systemd/test/units/testsuite-58.sh
Daan De Meyer 1ffa5cfb38 repart: Add partno to output
2023-08-23 15:12:23 +02:00

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#!/usr/bin/env bash
# SPDX-License-Identifier: LGPL-2.1-or-later
# shellcheck disable=SC2317
set -eux
set -o pipefail
# shellcheck source=test/units/util.sh
. "$(dirname "$0")"/util.sh
if ! command -v systemd-repart >/dev/null; then
echo "no systemd-repart" >/skipped
exit 0
fi
# shellcheck source=test/units/test-control.sh
. "$(dirname "$0")"/test-control.sh
# shellcheck source=test/units/util.sh
. "$(dirname "$0")"/util.sh
export SYSTEMD_LOG_LEVEL=debug
export PAGER=cat
# Disable use of special glyphs such as →
export SYSTEMD_UTF8=0
seed=750b6cd5c4ae4012a15e7be3c29e6a47
if ! systemd-detect-virt --quiet --container; then
udevadm control --log-level debug
fi
machine="$(uname -m)"
if [ "${machine}" = "x86_64" ]; then
root_guid=4F68BCE3-E8CD-4DB1-96E7-FBCAF984B709
root_uuid=60F33797-1D71-4DCB-AA6F-20564F036CD0
root_uuid2=73A4CCD2-EAF5-44DA-A366-F99188210FDC
usr_guid=8484680C-9521-48C6-9C11-B0720656F69E
usr_uuid=7E3369DD-D653-4513-ADF5-B993A9F20C16
architecture="x86-64"
elif [ "${machine}" = "i386" ] || [ "${machine}" = "i686" ] || [ "${machine}" = "x86" ]; then
root_guid=44479540-F297-41B2-9AF7-D131D5F0458A
root_uuid=02B4253F-29A4-404E-8972-1669D3B03C87
root_uuid2=268E0FD3-B468-4806-A823-E533FE9BB9CC
usr_guid=75250D76-8CC6-458E-BD66-BD47CC81A812
usr_uuid=7B42FFB0-B0E1-4395-B20B-C78F4A571648
architecture="x86"
elif [ "${machine}" = "aarch64" ] || [ "${machine}" = "aarch64_be" ] || [ "${machine}" = "armv8b" ] || [ "${machine}" = "armv8l" ]; then
root_guid=B921B045-1DF0-41C3-AF44-4C6F280D3FAE
root_uuid=055D0227-53A6-4033-85C3-9A5973EFF483
root_uuid2=F7DBBE48-8FD0-4833-8411-AA34E7C8E60A
usr_guid=B0E01050-EE5F-4390-949A-9101B17104E9
usr_uuid=FCE3C75E-D6A4-44C0-87F0-4C105183FB1F
architecture="arm64"
elif [ "${machine}" = "arm" ]; then
root_guid=69DAD710-2CE4-4E3C-B16C-21A1D49ABED3
root_uuid=567DA89E-8DE2-4499-8D10-18F212DFF034
root_uuid2=813ECFE5-4C89-4193-8A52-437493F2F96E
usr_guid=7D0359A3-02B3-4F0A-865C-654403E70625
usr_uuid=71E93DC2-5073-42CB-8A84-A354E64D8966
architecture="arm"
elif [ "${machine}" = "loongarch64" ]; then
root_guid=77055800-792C-4F94-B39A-98C91B762BB6
root_uuid=D8EFC2D2-0133-41E4-BDCB-3B9F4CFDDDE8
root_uuid2=36499F9E-0688-40C1-A746-EA8FD9543C56
usr_guid=E611C702-575C-4CBE-9A46-434FA0BF7E3F
usr_uuid=031FFA75-00BB-49B6-A70D-911D2D82A5B7
architecture="loongarch64"
elif [ "${machine}" = "ia64" ]; then
root_guid=993D8D3D-F80E-4225-855A-9DAF8ED7EA97
root_uuid=DCF33449-0896-4EA9-BC24-7D58AEEF522D
root_uuid2=C2A6CAB7-ABEA-4FBA-8C48-CB4C52E6CA38
usr_guid=4301D2A6-4E3B-4B2A-BB94-9E0B2C4225EA
usr_uuid=BC2BCCE7-80D6-449A-85CC-637424CE5241
architecture="ia64"
elif [ "${machine}" = "s390x" ]; then
root_guid=5EEAD9A9-FE09-4A1E-A1D7-520D00531306
root_uuid=7EBE0C85-E27E-48EC-B164-F4807606232E
root_uuid2=2A074E1C-2A19-4094-A0C2-24B1A5D52FCB
usr_guid=8A4F5770-50AA-4ED3-874A-99B710DB6FEA
usr_uuid=51171D30-35CF-4A49-B8B5-9478B9B796A5
architecture="s390x"
elif [ "${machine}" = "ppc64le" ]; then
root_guid=C31C45E6-3F39-412E-80FB-4809C4980599
root_uuid=061E67A1-092F-482F-8150-B525D50D6654
root_uuid2=A6687CEF-4E4F-44E7-90B3-CDA52EA81739
usr_guid=15BB03AF-77E7-4D4A-B12B-C0D084F7491C
usr_uuid=C0D0823B-8040-4C7C-A629-026248E297FB
architecture="ppc64-le"
else
echo "Unexpected uname -m: ${machine} in testsuite-58.sh, please fix me"
exit 1
fi
testcase_basic() {
local defs imgs output
local loop volume
defs="$(mktemp --directory "/tmp/test-repart.defs.XXXXXXXXXX")"
imgs="$(mktemp --directory "/var/tmp/test-repart.imgs.XXXXXXXXXX")"
# shellcheck disable=SC2064
trap "rm -rf '$defs' '$imgs'" RETURN
chmod 0755 "$defs"
echo "*** 1. create an empty image ***"
systemd-repart --offline="$OFFLINE" \
--empty=create \
--size=1G \
--seed="$seed" \
"$imgs/zzz"
output=$(sfdisk -d "$imgs/zzz" | grep -v -e 'sector-size' -e '^$')
assert_eq "$output" "label: gpt
label-id: 1D2CE291-7CCE-4F7D-BC83-FDB49AD74EBD
device: $imgs/zzz
unit: sectors
first-lba: 2048
last-lba: 2097118"
echo "*** 2. Testing with root, root2, home, and swap ***"
tee "$defs/root.conf" <<EOF
[Partition]
Type=root
EOF
ln -s root.conf "$defs/root2.conf"
tee "$defs/home.conf" <<EOF
[Partition]
Type=home
Label=home-first
Label=home-always-too-long-xxxxxxxxxxxxxx-%v
EOF
tee "$defs/swap.conf" <<EOF
[Partition]
Type=swap
SizeMaxBytes=64M
PaddingMinBytes=92M
EOF
systemd-repart --offline="$OFFLINE" \
--definitions="$defs" \
--dry-run=no \
--seed="$seed" \
--include-partitions=home,swap \
--offline="$OFFLINE" \
"$imgs/zzz"
output=$(sfdisk -d "$imgs/zzz" | grep -v -e 'sector-size' -e '^$')
assert_eq "$output" "label: gpt
label-id: 1D2CE291-7CCE-4F7D-BC83-FDB49AD74EBD
device: $imgs/zzz
unit: sectors
first-lba: 2048
last-lba: 2097118
$imgs/zzz1 : start= 2048, size= 1775576, type=933AC7E1-2EB4-4F13-B844-0E14E2AEF915, uuid=4980595D-D74A-483A-AA9E-9903879A0EE5, name=\"home-first\", attrs=\"GUID:59\"
$imgs/zzz2 : start= 1777624, size= 131072, type=0657FD6D-A4AB-43C4-84E5-0933C84B4F4F, uuid=78C92DB8-3D2B-4823-B0DC-792B78F66F1E, name=\"swap\""
systemd-repart --offline="$OFFLINE" \
--definitions="$defs" \
--empty=create \
--size=50M \
--seed="$seed" \
--include-partitions=root,home \
"$imgs/qqq"
sfdisk -d "$imgs/qqq" | grep -v -e 'sector-size' -e '^$'
systemd-repart --offline="$OFFLINE" \
--empty=create \
--size=1G \
--dry-run=no \
--seed="$seed" \
--definitions "" \
--copy-from="$imgs/qqq" \
--copy-from="$imgs/qqq" \
"$imgs/copy"
output=$(sfdisk -d "$imgs/copy" | grep -v -e 'sector-size' -e '^$')
assert_eq "$output" "label: gpt
label-id: 1D2CE291-7CCE-4F7D-BC83-FDB49AD74EBD
device: $imgs/copy
unit: sectors
first-lba: 2048
last-lba: 2097118
$imgs/copy1 : start= 2048, size= 33432, type=933AC7E1-2EB4-4F13-B844-0E14E2AEF915, uuid=4980595D-D74A-483A-AA9E-9903879A0EE5, name=\"home-first\", attrs=\"GUID:59\"
$imgs/copy2 : start= 35480, size= 33440, type=${root_guid}, uuid=${root_uuid}, name=\"root-${architecture}\", attrs=\"GUID:59\"
$imgs/copy3 : start= 68920, size= 33440, type=${root_guid}, uuid=${root_uuid2}, name=\"root-${architecture}-2\", attrs=\"GUID:59\"
$imgs/copy4 : start= 102360, size= 33432, type=933AC7E1-2EB4-4F13-B844-0E14E2AEF915, uuid=4980595D-D74A-483A-AA9E-9903879A0EE5, name=\"home-first\", attrs=\"GUID:59\"
$imgs/copy5 : start= 135792, size= 33440, type=${root_guid}, uuid=${root_uuid}, name=\"root-${architecture}\", attrs=\"GUID:59\"
$imgs/copy6 : start= 169232, size= 33440, type=${root_guid}, uuid=${root_uuid2}, name=\"root-${architecture}-2\", attrs=\"GUID:59\""
rm "$imgs/qqq" "$imgs/copy" # Save disk space
systemd-repart --offline="$OFFLINE" \
--definitions="$defs" \
--dry-run=no \
--seed="$seed" \
--empty=force \
--defer-partitions=home,root \
"$imgs/zzz"
output=$(sfdisk -d "$imgs/zzz" | grep -v -e 'sector-size' -e '^$')
assert_eq "$output" "label: gpt
label-id: 1D2CE291-7CCE-4F7D-BC83-FDB49AD74EBD
device: $imgs/zzz
unit: sectors
first-lba: 2048
last-lba: 2097118
$imgs/zzz4 : start= 1777624, size= 131072, type=0657FD6D-A4AB-43C4-84E5-0933C84B4F4F, uuid=78C92DB8-3D2B-4823-B0DC-792B78F66F1E, name=\"swap\""
systemd-repart --offline="$OFFLINE" \
--definitions="$defs" \
--dry-run=no \
--seed="$seed" \
"$imgs/zzz"
output=$(sfdisk -d "$imgs/zzz" | grep -v -e 'sector-size' -e '^$')
assert_eq "$output" "label: gpt
label-id: 1D2CE291-7CCE-4F7D-BC83-FDB49AD74EBD
device: $imgs/zzz
unit: sectors
first-lba: 2048
last-lba: 2097118
$imgs/zzz1 : start= 2048, size= 591856, type=933AC7E1-2EB4-4F13-B844-0E14E2AEF915, uuid=4980595D-D74A-483A-AA9E-9903879A0EE5, name=\"home-first\", attrs=\"GUID:59\"
$imgs/zzz2 : start= 593904, size= 591856, type=${root_guid}, uuid=${root_uuid}, name=\"root-${architecture}\", attrs=\"GUID:59\"
$imgs/zzz3 : start= 1185760, size= 591864, type=${root_guid}, uuid=${root_uuid2}, name=\"root-${architecture}-2\", attrs=\"GUID:59\"
$imgs/zzz4 : start= 1777624, size= 131072, type=0657FD6D-A4AB-43C4-84E5-0933C84B4F4F, uuid=78C92DB8-3D2B-4823-B0DC-792B78F66F1E, name=\"swap\""
echo "*** 3. Testing with root, root2, home, swap, and another partition ***"
tee "$defs/swap.conf" <<EOF
[Partition]
Type=swap
SizeMaxBytes=64M
EOF
tee "$defs/extra.conf" <<EOF
[Partition]
Type=linux-generic
Label=custom_label
UUID=a0a1a2a3a4a5a6a7a8a9aaabacadaeaf
EOF
echo "Label=ignored_label" >>"$defs/home.conf"
echo "UUID=b0b1b2b3b4b5b6b7b8b9babbbcbdbebf" >>"$defs/home.conf"
systemd-repart --offline="$OFFLINE" \
--definitions="$defs" \
--dry-run=no \
--seed="$seed" \
"$imgs/zzz"
output=$(sfdisk -d "$imgs/zzz" | grep -v -e 'sector-size' -e '^$')
assert_eq "$output" "label: gpt
label-id: 1D2CE291-7CCE-4F7D-BC83-FDB49AD74EBD
device: $imgs/zzz
unit: sectors
first-lba: 2048
last-lba: 2097118
$imgs/zzz1 : start= 2048, size= 591856, type=933AC7E1-2EB4-4F13-B844-0E14E2AEF915, uuid=4980595D-D74A-483A-AA9E-9903879A0EE5, name=\"home-first\", attrs=\"GUID:59\"
$imgs/zzz2 : start= 593904, size= 591856, type=${root_guid}, uuid=${root_uuid}, name=\"root-${architecture}\", attrs=\"GUID:59\"
$imgs/zzz3 : start= 1185760, size= 591864, type=${root_guid}, uuid=${root_uuid2}, name=\"root-${architecture}-2\", attrs=\"GUID:59\"
$imgs/zzz4 : start= 1777624, size= 131072, type=0657FD6D-A4AB-43C4-84E5-0933C84B4F4F, uuid=78C92DB8-3D2B-4823-B0DC-792B78F66F1E, name=\"swap\"
$imgs/zzz5 : start= 1908696, size= 188416, type=0FC63DAF-8483-4772-8E79-3D69D8477DE4, uuid=A0A1A2A3-A4A5-A6A7-A8A9-AAABACADAEAF, name=\"custom_label\""
echo "*** 4. Resizing to 2G ***"
systemd-repart --offline="$OFFLINE" \
--definitions="$defs" \
--size=2G \
--dry-run=no \
--seed="$seed" \
"$imgs/zzz"
output=$(sfdisk -d "$imgs/zzz" | grep -v -e 'sector-size' -e '^$')
assert_eq "$output" "label: gpt
label-id: 1D2CE291-7CCE-4F7D-BC83-FDB49AD74EBD
device: $imgs/zzz
unit: sectors
first-lba: 2048
last-lba: 4194270
$imgs/zzz1 : start= 2048, size= 591856, type=933AC7E1-2EB4-4F13-B844-0E14E2AEF915, uuid=4980595D-D74A-483A-AA9E-9903879A0EE5, name=\"home-first\", attrs=\"GUID:59\"
$imgs/zzz2 : start= 593904, size= 591856, type=${root_guid}, uuid=${root_uuid}, name=\"root-${architecture}\", attrs=\"GUID:59\"
$imgs/zzz3 : start= 1185760, size= 591864, type=${root_guid}, uuid=${root_uuid2}, name=\"root-${architecture}-2\", attrs=\"GUID:59\"
$imgs/zzz4 : start= 1777624, size= 131072, type=0657FD6D-A4AB-43C4-84E5-0933C84B4F4F, uuid=78C92DB8-3D2B-4823-B0DC-792B78F66F1E, name=\"swap\"
$imgs/zzz5 : start= 1908696, size= 2285568, type=0FC63DAF-8483-4772-8E79-3D69D8477DE4, uuid=A0A1A2A3-A4A5-A6A7-A8A9-AAABACADAEAF, name=\"custom_label\""
echo "*** 5. Testing with root, root2, home, swap, another partition, and partition copy ***"
dd if=/dev/urandom of="$imgs/block-copy" bs=4096 count=10240
tee "$defs/extra2.conf" <<EOF
[Partition]
Type=linux-generic
Label=block-copy
UUID=2a1d97e1d0a346cca26eadc643926617
CopyBlocks=$imgs/block-copy
EOF
systemd-repart --offline="$OFFLINE" \
--definitions="$defs" \
--size=3G \
--dry-run=no \
--seed="$seed" \
"$imgs/zzz"
output=$(sfdisk -d "$imgs/zzz" | grep -v -e 'sector-size' -e '^$')
assert_eq "$output" "label: gpt
label-id: 1D2CE291-7CCE-4F7D-BC83-FDB49AD74EBD
device: $imgs/zzz
unit: sectors
first-lba: 2048
last-lba: 6291422
$imgs/zzz1 : start= 2048, size= 591856, type=933AC7E1-2EB4-4F13-B844-0E14E2AEF915, uuid=4980595D-D74A-483A-AA9E-9903879A0EE5, name=\"home-first\", attrs=\"GUID:59\"
$imgs/zzz2 : start= 593904, size= 591856, type=${root_guid}, uuid=${root_uuid}, name=\"root-${architecture}\", attrs=\"GUID:59\"
$imgs/zzz3 : start= 1185760, size= 591864, type=${root_guid}, uuid=${root_uuid2}, name=\"root-${architecture}-2\", attrs=\"GUID:59\"
$imgs/zzz4 : start= 1777624, size= 131072, type=0657FD6D-A4AB-43C4-84E5-0933C84B4F4F, uuid=78C92DB8-3D2B-4823-B0DC-792B78F66F1E, name=\"swap\"
$imgs/zzz5 : start= 1908696, size= 2285568, type=0FC63DAF-8483-4772-8E79-3D69D8477DE4, uuid=A0A1A2A3-A4A5-A6A7-A8A9-AAABACADAEAF, name=\"custom_label\"
$imgs/zzz6 : start= 4194264, size= 2097152, type=0FC63DAF-8483-4772-8E79-3D69D8477DE4, uuid=2A1D97E1-D0A3-46CC-A26E-ADC643926617, name=\"block-copy\""
cmp --bytes=$((4096*10240)) --ignore-initial=0:$((512*4194264)) "$imgs/block-copy" "$imgs/zzz"
echo "*** 6. Testing Format=/Encrypt=/CopyFiles= ***"
tee "$defs/extra3.conf" <<EOF
[Partition]
Type=linux-generic
Label=luks-format-copy
UUID=7b93d1f2-595d-4ce3-b0b9-837fbd9e63b0
Format=ext4
Encrypt=yes
CopyFiles=$defs:/def
SizeMinBytes=48M
EOF
systemd-repart --offline="$OFFLINE" \
--definitions="$defs" \
--size=auto \
--dry-run=no \
--seed="$seed" \
"$imgs/zzz"
output=$(sfdisk -d "$imgs/zzz" | grep -v -e 'sector-size' -e '^$')
assert_eq "$output" "label: gpt
label-id: 1D2CE291-7CCE-4F7D-BC83-FDB49AD74EBD
device: $imgs/zzz
unit: sectors
first-lba: 2048
last-lba: 6389726
$imgs/zzz1 : start= 2048, size= 591856, type=933AC7E1-2EB4-4F13-B844-0E14E2AEF915, uuid=4980595D-D74A-483A-AA9E-9903879A0EE5, name=\"home-first\", attrs=\"GUID:59\"
$imgs/zzz2 : start= 593904, size= 591856, type=${root_guid}, uuid=${root_uuid}, name=\"root-${architecture}\", attrs=\"GUID:59\"
$imgs/zzz3 : start= 1185760, size= 591864, type=${root_guid}, uuid=${root_uuid2}, name=\"root-${architecture}-2\", attrs=\"GUID:59\"
$imgs/zzz4 : start= 1777624, size= 131072, type=0657FD6D-A4AB-43C4-84E5-0933C84B4F4F, uuid=78C92DB8-3D2B-4823-B0DC-792B78F66F1E, name=\"swap\"
$imgs/zzz5 : start= 1908696, size= 2285568, type=0FC63DAF-8483-4772-8E79-3D69D8477DE4, uuid=A0A1A2A3-A4A5-A6A7-A8A9-AAABACADAEAF, name=\"custom_label\"
$imgs/zzz6 : start= 4194264, size= 2097152, type=0FC63DAF-8483-4772-8E79-3D69D8477DE4, uuid=2A1D97E1-D0A3-46CC-A26E-ADC643926617, name=\"block-copy\"
$imgs/zzz7 : start= 6291416, size= 98304, type=0FC63DAF-8483-4772-8E79-3D69D8477DE4, uuid=7B93D1F2-595D-4CE3-B0B9-837FBD9E63B0, name=\"luks-format-copy\""
if systemd-detect-virt --quiet --container; then
echo "Skipping encrypt mount tests in container."
return
fi
loop="$(losetup -P --show --find "$imgs/zzz")"
udevadm wait --timeout 60 --settle "${loop:?}"
volume="test-repart-$RANDOM"
touch "$imgs/empty-password"
cryptsetup open --type=luks2 --key-file="$imgs/empty-password" "${loop}p7" "$volume"
mkdir -p "$imgs/mount"
mount -t ext4 "/dev/mapper/$volume" "$imgs/mount"
# Use deferred closing on the mapper and autoclear on the loop, so they are cleaned up on umount
cryptsetup close --deferred "$volume"
losetup -d "$loop"
diff -r "$imgs/mount/def" "$defs" >/dev/null
umount "$imgs/mount"
}
testcase_dropin() {
local defs imgs output
defs="$(mktemp --directory "/tmp/test-repart.defs.XXXXXXXXXX")"
imgs="$(mktemp --directory "/var/tmp/test-repart.imgs.XXXXXXXXXX")"
# shellcheck disable=SC2064
trap "rm -rf '$defs' '$imgs'" RETURN
chmod 0755 "$defs"
tee "$defs/root.conf" <<EOF
[Partition]
Type=swap
SizeMaxBytes=64M
UUID=837c3d67-21b3-478e-be82-7e7f83bf96d3
EOF
mkdir -p "$defs/root.conf.d"
tee "$defs/root.conf.d/override1.conf" <<EOF
[Partition]
Label=label1
SizeMaxBytes=32M
EOF
tee "$defs/root.conf.d/override2.conf" <<EOF
[Partition]
Label=label2
EOF
output=$(systemd-repart --offline="$OFFLINE" \
--definitions="$defs" \
--empty=create \
--size=100M \
--json=pretty \
"$imgs/zzz")
diff -u <(echo "$output") - <<EOF
[
{
"type" : "swap",
"label" : "label2",
"uuid" : "837c3d67-21b3-478e-be82-7e7f83bf96d3",
"partno" : 0,
"file" : "$defs/root.conf",
"node" : "$imgs/zzz1",
"offset" : 1048576,
"old_size" : 0,
"raw_size" : 33554432,
"size" : "-> 32.0M",
"old_padding" : 0,
"raw_padding" : 0,
"padding" : "-> 0B",
"activity" : "create",
"drop-in_files" : [
"$defs/root.conf.d/override1.conf",
"$defs/root.conf.d/override2.conf"
]
}
]
EOF
}
testcase_multiple_definitions() {
local defs imgs output
defs="$(mktemp --directory "/tmp/test-repart.defs.XXXXXXXXXX")"
imgs="$(mktemp --directory "/var/tmp/test-repart.imgs.XXXXXXXXXX")"
# shellcheck disable=SC2064
trap "rm -rf '$defs' '$imgs'" RETURN
chmod 0755 "$defs"
mkdir -p "$defs/1"
tee "$defs/1/root1.conf" <<EOF
[Partition]
Type=swap
SizeMaxBytes=32M
UUID=7b93d1f2-595d-4ce3-b0b9-837fbd9e63b0
Label=label1
EOF
mkdir -p "$defs/2"
tee "$defs/2/root2.conf" <<EOF
[Partition]
Type=swap
SizeMaxBytes=32M
UUID=837c3d67-21b3-478e-be82-7e7f83bf96d3
Label=label2
EOF
output=$(systemd-repart --offline="$OFFLINE" \
--definitions="$defs/1" \
--definitions="$defs/2" \
--empty=create \
--size=100M \
--json=pretty \
"$imgs/zzz")
diff -u <(echo "$output") - <<EOF
[
{
"type" : "swap",
"label" : "label1",
"uuid" : "7b93d1f2-595d-4ce3-b0b9-837fbd9e63b0",
"partno" : 0,
"file" : "$defs/1/root1.conf",
"node" : "$imgs/zzz1",
"offset" : 1048576,
"old_size" : 0,
"raw_size" : 33554432,
"size" : "-> 32.0M",
"old_padding" : 0,
"raw_padding" : 0,
"padding" : "-> 0B",
"activity" : "create"
},
{
"type" : "swap",
"label" : "label2",
"uuid" : "837c3d67-21b3-478e-be82-7e7f83bf96d3",
"partno" : 1,
"file" : "$defs/2/root2.conf",
"node" : "$imgs/zzz2",
"offset" : 34603008,
"old_size" : 0,
"raw_size" : 33554432,
"size" : "-> 32.0M",
"old_padding" : 0,
"raw_padding" : 0,
"padding" : "-> 0B",
"activity" : "create"
}
]
EOF
}
testcase_copy_blocks() {
local defs imgs output
defs="$(mktemp --directory "/tmp/test-repart.defs.XXXXXXXXXX")"
imgs="$(mktemp --directory "/var/tmp/test-repart.imgs.XXXXXXXXXX")"
# shellcheck disable=SC2064
trap "rm -rf '$defs' '$imgs'" RETURN
chmod 0755 "$defs"
echo "*** First, create a disk image and verify its in order ***"
tee "$defs/esp.conf" <<EOF
[Partition]
Type=esp
SizeMinBytes=10M
Format=vfat
EOF
tee "$defs/usr.conf" <<EOF
[Partition]
Type=usr-${architecture}
SizeMinBytes=10M
Format=ext4
ReadOnly=yes
EOF
tee "$defs/root.conf" <<EOF
[Partition]
Type=root-${architecture}
SizeMinBytes=10M
Format=ext4
MakeDirectories=/usr /efi
EOF
systemd-repart --offline="$OFFLINE" \
--definitions="$defs" \
--empty=create \
--size=auto \
--seed="$seed" \
"$imgs/zzz"
output=$(sfdisk --dump "$imgs/zzz")
assert_in "$imgs/zzz1 : start= 2048, size= 20480, type=C12A7328-F81F-11D2-BA4B-00A0C93EC93B, uuid=39107B09-615D-48FB-BA37-C663885FCE67, name=\"esp\"" "$output"
assert_in "$imgs/zzz2 : start= 22528, size= 20480, type=${root_guid}, uuid=${root_uuid}, name=\"root-${architecture}\", attrs=\"GUID:59\"" "$output"
assert_in "$imgs/zzz3 : start= 43008, size= 20480, type=${usr_guid}, uuid=${usr_uuid}, name=\"usr-${architecture}\", attrs=\"GUID:60\"" "$output"
if systemd-detect-virt --quiet --container; then
echo "Skipping second part of copy blocks tests in container."
return
fi
echo "*** Second, create another image with CopyBlocks=auto ***"
tee "$defs/esp.conf" <<EOF
[Partition]
Type=esp
CopyBlocks=auto
EOF
tee "$defs/usr.conf" <<EOF
[Partition]
Type=usr-${architecture}
ReadOnly=yes
CopyBlocks=auto
EOF
tee "$defs/root.conf" <<EOF
[Partition]
Type=root-${architecture}
CopyBlocks=auto
EOF
systemd-repart --offline="$OFFLINE" \
--definitions="$defs" \
--empty=create \
--size=auto \
--seed="$seed" \
--image="$imgs/zzz" \
"$imgs/yyy"
cmp "$imgs/zzz" "$imgs/yyy"
}
testcase_unaligned_partition() {
local defs imgs output
defs="$(mktemp --directory "/tmp/test-repart.defs.XXXXXXXXXX")"
imgs="$(mktemp --directory "/var/tmp/test-repart.imgs.XXXXXXXXXX")"
# shellcheck disable=SC2064
trap "rm -rf '$defs' '$imgs'" RETURN
chmod 0755 "$defs"
echo "*** Operate on an image with unaligned partition ***"
tee "$defs/root.conf" <<EOF
[Partition]
Type=root-${architecture}
EOF
truncate -s 10g "$imgs/unaligned"
sfdisk "$imgs/unaligned" <<EOF
label: gpt
start=2048, size=69044
start=71092, size=3591848
EOF
systemd-repart --offline="$OFFLINE" \
--definitions="$defs" \
--seed="$seed" \
--dry-run=no \
"$imgs/unaligned"
output=$(sfdisk --dump "$imgs/unaligned")
assert_in "$imgs/unaligned1 : start= 2048, size= 69044," "$output"
assert_in "$imgs/unaligned2 : start= 71092, size= 3591848," "$output"
assert_in "$imgs/unaligned3 : start= 3662944, size= 17308536, type=${root_guid}, uuid=${root_uuid}, name=\"root-${architecture}\", attrs=\"GUID:59\"" "$output"
}
testcase_issue_21817() {
local defs imgs output
defs="$(mktemp --directory "/tmp/test-repart.defs.XXXXXXXXXX")"
imgs="$(mktemp --directory "/var/tmp/test-repart.imgs.XXXXXXXXXX")"
# shellcheck disable=SC2064
trap "rm -rf '$defs' '$imgs'" RETURN
chmod 0755 "$defs"
echo "*** testcase for #21817 ***"
tee "$defs/test.conf" <<EOF
[Partition]
Type=root
EOF
truncate -s 100m "$imgs/21817.img"
sfdisk "$imgs/21817.img" <<EOF
label: gpt
size=50M, type=${root_guid}
,
EOF
systemd-repart --offline="$OFFLINE" \
--pretty=yes \
--definitions "$imgs" \
--seed="$seed" \
--dry-run=no \
"$imgs/21817.img"
output=$(sfdisk --dump "$imgs/21817.img")
assert_in "$imgs/21817.img1 : start= 2048, size= 102400, type=${root_guid}," "$output"
# Accept both unpadded (pre-v2.38 util-linux) and padded (v2.38+ util-linux) sizes
assert_in "$imgs/21817.img2 : start= 104448, size= (100319| 98304)," "$output"
}
testcase_issue_24553() {
local defs imgs output
defs="$(mktemp --directory "/tmp/test-repart.defs.XXXXXXXXXX")"
imgs="$(mktemp --directory "/var/tmp/test-repart.imgs.XXXXXXXXXX")"
# shellcheck disable=SC2064
trap "rm -rf '$defs' '$imgs'" RETURN
chmod 0755 "$defs"
echo "*** testcase for #24553 ***"
tee "$defs/root.conf" <<EOF
[Partition]
Type=root
SizeMinBytes=10G
SizeMaxBytes=120G
EOF
tee "$imgs/partscript" <<EOF
label: gpt
label-id: C9FFE979-A415-C449-B729-78C7AA664B10
unit: sectors
first-lba: 40
start=40, size=524288, type=C12A7328-F81F-11D2-BA4B-00A0C93EC93B, uuid=F2E89C8A-DC5D-4C4C-A29C-6CFB643B74FD, name="ESP System Partition"
start=524328, size=14848000, type=${root_guid}, uuid=${root_uuid}, name="root-${architecture}"
EOF
echo "*** 1. Operate on a small image compared with SizeMinBytes= ***"
truncate -s 8g "$imgs/zzz"
sfdisk "$imgs/zzz" <"$imgs/partscript"
# This should fail, but not trigger assertions.
assert_rc 1 systemd-repart --offline="$OFFLINE" \
--definitions="$defs" \
--seed="$seed" \
--dry-run=no \
"$imgs/zzz"
output=$(sfdisk --dump "$imgs/zzz")
assert_in "$imgs/zzz2 : start= 524328, size= 14848000, type=${root_guid}, uuid=${root_uuid}, name=\"root-${architecture}\"" "$output"
echo "*** 2. Operate on an larger image compared with SizeMinBytes= ***"
rm -f "$imgs/zzz"
truncate -s 12g "$imgs/zzz"
sfdisk "$imgs/zzz" <"$imgs/partscript"
# This should succeed.
systemd-repart --offline="$OFFLINE" \
--definitions="$defs" \
--seed="$seed" \
--dry-run=no \
"$imgs/zzz"
output=$(sfdisk --dump "$imgs/zzz")
assert_in "$imgs/zzz2 : start= 524328, size= 24641456, type=${root_guid}, uuid=${root_uuid}, name=\"root-${architecture}\"" "$output"
echo "*** 3. Multiple partitions with Priority= (small disk) ***"
tee "$defs/root.conf" <<EOF
[Partition]
Type=root
SizeMinBytes=10G
SizeMaxBytes=120G
Priority=100
EOF
tee "$defs/usr.conf" <<EOF
[Partition]
Type=usr
SizeMinBytes=10M
Priority=10
EOF
rm -f "$imgs/zzz"
truncate -s 8g "$imgs/zzz"
sfdisk "$imgs/zzz" <"$imgs/partscript"
# This should also succeed, but root is not extended.
systemd-repart --offline="$OFFLINE" \
--definitions="$defs" \
--seed="$seed" \
--dry-run=no \
"$imgs/zzz"
output=$(sfdisk --dump "$imgs/zzz")
assert_in "$imgs/zzz2 : start= 524328, size= 14848000, type=${root_guid}, uuid=${root_uuid}, name=\"root-${architecture}\"" "$output"
assert_in "$imgs/zzz3 : start= 15372328, size= 1404848, type=${usr_guid}, uuid=${usr_uuid}, name=\"usr-${architecture}\", attrs=\"GUID:59\"" "$output"
echo "*** 4. Multiple partitions with Priority= (large disk) ***"
rm -f "$imgs/zzz"
truncate -s 12g "$imgs/zzz"
sfdisk "$imgs/zzz" <"$imgs/partscript"
# This should also succeed, and root is extended.
systemd-repart --offline="$OFFLINE" \
--definitions="$defs" \
--seed="$seed" \
--dry-run=no \
"$imgs/zzz"
output=$(sfdisk --dump "$imgs/zzz")
assert_in "$imgs/zzz2 : start= 524328, size= 20971520, type=${root_guid}, uuid=${root_uuid}, name=\"root-${architecture}\"" "$output"
assert_in "$imgs/zzz3 : start= 21495848, size= 3669936, type=${usr_guid}, uuid=${usr_uuid}, name=\"usr-${architecture}\", attrs=\"GUID:59\"" "$output"
}
testcase_zero_uuid() {
local defs imgs output
defs="$(mktemp --directory "/tmp/test-repart.defs.XXXXXXXXXX")"
imgs="$(mktemp --directory "/var/tmp/test-repart.imgs.XXXXXXXXXX")"
# shellcheck disable=SC2064
trap "rm -rf '$defs' '$imgs'" RETURN
chmod 0755 "$defs"
echo "*** Test image with zero UUID ***"
tee "$defs/root.conf" <<EOF
[Partition]
Type=root-${architecture}
UUID=null
EOF
systemd-repart --offline="$OFFLINE" \
--definitions="$defs" \
--seed="$seed" \
--dry-run=no \
--empty=create \
--size=auto \
"$imgs/zero"
output=$(sfdisk --dump "$imgs/zero")
assert_in "$imgs/zero1 : start= 2048, size= 20480, type=${root_guid}, uuid=00000000-0000-0000-0000-000000000000" "$output"
}
testcase_verity() {
local defs imgs output
defs="$(mktemp --directory "/tmp/test-repart.defs.XXXXXXXXXX")"
imgs="$(mktemp --directory "/var/tmp/test-repart.imgs.XXXXXXXXXX")"
# shellcheck disable=SC2064
trap "rm -rf '$defs' '$imgs'" RETURN
chmod 0755 "$defs"
echo "*** dm-verity ***"
tee "$defs/verity-data.conf" <<EOF
[Partition]
Type=root-${architecture}
CopyFiles=${defs}
Verity=data
VerityMatchKey=root
Minimize=guess
EOF
tee "$defs/verity-hash.conf" <<EOF
[Partition]
Type=root-${architecture}-verity
Verity=hash
VerityMatchKey=root
Minimize=yes
EOF
tee "$defs/verity-sig.conf" <<EOF
[Partition]
Type=root-${architecture}-verity-sig
Verity=signature
VerityMatchKey=root
EOF
# Unfortunately OpenSSL insists on reading some config file, hence provide one with mostly placeholder contents
tee >"$defs/verity.openssl.cnf" <<EOF
[ req ]
prompt = no
distinguished_name = req_distinguished_name
[ req_distinguished_name ]
C = DE
ST = Test State
L = Test Locality
O = Org Name
OU = Org Unit Name
CN = Common Name
emailAddress = test@email.com
EOF
openssl req \
-config "$defs/verity.openssl.cnf" \
-new -x509 \
-newkey rsa:1024 \
-keyout "$defs/verity.key" \
-out "$defs/verity.crt" \
-days 365 \
-nodes
mkdir -p /run/verity.d
ln -sf "$defs/verity.crt" /run/verity.d/ok.crt
output=$(systemd-repart --offline="$OFFLINE" \
--definitions="$defs" \
--seed="$seed" \
--dry-run=no \
--empty=create \
--size=auto \
--json=pretty \
--private-key="$defs/verity.key" \
--certificate="$defs/verity.crt" \
"$imgs/verity")
drh=$(jq -r ".[] | select(.type == \"root-${architecture}\") | .roothash" <<<"$output")
hrh=$(jq -r ".[] | select(.type == \"root-${architecture}-verity\") | .roothash" <<<"$output")
srh=$(jq -r ".[] | select(.type == \"root-${architecture}-verity-sig\") | .roothash" <<<"$output")
assert_eq "$drh" "$hrh"
assert_eq "$hrh" "$srh"
# Check that we can dissect, mount and unmount a repart verity image. (and that the image UUID is deterministic)
if systemd-detect-virt --quiet --container; then
echo "Skipping verity test dissect part in container."
return
fi
systemd-dissect "$imgs/verity" --root-hash "$drh"
systemd-dissect "$imgs/verity" --root-hash "$drh" --json=short | grep -q '"imageUuid":"1d2ce291-7cce-4f7d-bc83-fdb49ad74ebd"'
systemd-dissect "$imgs/verity" --root-hash "$drh" -M "$imgs/mnt"
systemd-dissect -U "$imgs/mnt"
}
testcase_verity_explicit_block_size() {
local defs imgs loop
if systemd-detect-virt --quiet --container; then
echo "Skipping verity block size tests in container."
return
fi
defs="$(mktemp --directory "/tmp/test-repart.defs.XXXXXXXXXX")"
imgs="$(mktemp --directory "/var/tmp/test-repart.imgs.XXXXXXXXXX")"
# shellcheck disable=SC2064
trap "rm -rf '$defs' '$imgs'" RETURN
chmod 0755 "$defs"
echo "*** varying-dm-verity-block-sizes ***"
tee "$defs/verity-data.conf" <<EOF
[Partition]
Type=root-${architecture}
CopyFiles=${defs}
Verity=data
VerityMatchKey=root
Minimize=guess
EOF
tee "$defs/verity-hash.conf" <<EOF
[Partition]
Type=root-${architecture}-verity
Verity=hash
VerityMatchKey=root
VerityHashBlockSizeBytes=1024
VerityDataBlockSizeBytes=4096
Minimize=yes
EOF
systemd-repart --offline="$OFFLINE" \
--definitions="$defs" \
--seed="$seed" \
--dry-run=no \
--empty=create \
--size=auto \
--json=pretty \
"$imgs/verity"
loop="$(losetup --partscan --show --find "$imgs/verity")"
# Make sure the loopback device gets cleaned up
# shellcheck disable=SC2064
trap "rm -rf '$defs' '$imgs' ; losetup -d '$loop'" RETURN ERR
udevadm wait --timeout 60 --settle "${loop:?}"
# Check that the verity block sizes are as expected
veritysetup dump "${loop}p2" | grep 'Data block size:' | grep -q '4096'
veritysetup dump "${loop}p2" | grep 'Hash block size:' | grep -q '1024'
}
testcase_exclude_files() {
local defs imgs root output
defs="$(mktemp --directory "/tmp/test-repart.defs.XXXXXXXXXX")"
imgs="$(mktemp --directory "/var/tmp/test-repart.imgs.XXXXXXXXXX")"
root="$(mktemp --directory "/var/tmp/test-repart.root.XXXXXXXXXX")"
# shellcheck disable=SC2064
trap "rm -rf '$defs' '$imgs' '$root'" RETURN
chmod 0755 "$defs"
echo "*** file exclusion ***"
touch "$root/abc"
mkdir "$root/usr"
touch "$root/usr/def"
touch "$root/usr/qed"
mkdir "$root/tmp"
touch "$root/tmp/prs"
mkdir "$root/proc"
touch "$root/proc/prs"
mkdir "$root/zzz"
mkdir "$root/zzz/usr"
touch "$root/zzz/usr/prs"
mkdir "$root/zzz/proc"
touch "$root/zzz/proc/prs"
tee "$defs/00-root.conf" <<EOF
[Partition]
Type=root-${architecture}
CopyFiles=/
CopyFiles=/zzz:/
CopyFiles=/:/oiu
ExcludeFilesTarget=/oiu/usr
EOF
tee "$defs/10-usr.conf" <<EOF
[Partition]
Type=usr-${architecture}
CopyFiles=/usr:/
ExcludeFiles=/usr/qed
EOF
output=$(systemd-repart --offline="$OFFLINE" \
--definitions="$defs" \
--seed="$seed" \
--dry-run=no \
--empty=create \
--size=auto \
--json=pretty \
--root="$root" \
"$imgs/zzz")
if systemd-detect-virt --quiet --container; then
echo "Skipping issue 24786 test loop/mount parts in container."
return
fi
loop=$(losetup -P --show -f "$imgs/zzz")
udevadm wait --timeout 60 --settle "${loop:?}"
# Test that /usr/def did not end up in the root partition but other files did.
mkdir "$imgs/mnt"
mount -t ext4 "${loop}p1" "$imgs/mnt"
assert_rc 0 ls "$imgs/mnt/abc"
assert_rc 0 ls "$imgs/mnt/usr"
assert_rc 2 ls "$imgs/mnt/usr/def"
# Test that /zzz/usr/prs did not end up in the root partition under /usr but did end up in /zzz/usr/prs
assert_rc 2 ls "$imgs/mnt/usr/prs"
assert_rc 0 ls "$imgs/mnt/zzz/usr/prs"
# Test that /tmp/prs did not end up in the root partition but /tmp did.
assert_rc 0 ls "$imgs/mnt/tmp"
assert_rc 2 ls "$imgs/mnt/tmp/prs"
# Test that /usr/qed did not end up in the usr partition but /usr/def did.
mount -t ext4 "${loop}p2" "$imgs/mnt/usr"
assert_rc 0 ls "$imgs/mnt/usr/def"
assert_rc 2 ls "$imgs/mnt/usr/qed"
# Test that /zzz/proc/prs did not end up in the root partition but /proc did.
assert_rc 0 ls "$imgs/mnt/proc"
assert_rc 2 ls "$imgs/mnt/proc/prs"
# Test that /zzz/usr/prs did not end up in the usr partition.
assert_rc 2 ls "$imgs/mnt/usr/prs"
# Test that /oiu/ and /oiu/zzz ended up in the root partition but /oiu/usr did not.
assert_rc 0 ls "$imgs/mnt/oiu"
assert_rc 0 ls "$imgs/mnt/oiu/zzz"
assert_rc 2 ls "$imgs/mnt/oiu/usr"
umount -R "$imgs/mnt"
losetup -d "$loop"
}
testcase_minimize() {
local defs imgs output
if systemd-detect-virt --quiet --container; then
echo "Skipping minimize test in container."
return
fi
echo "*** minimization ***"
defs="$(mktemp --directory "/tmp/test-repart.defs.XXXXXXXXXX")"
imgs="$(mktemp --directory "/var/tmp/test-repart.imgs.XXXXXXXXXX")"
# shellcheck disable=SC2064
trap "rm -rf '$defs' '$imgs'" RETURN
for format in ext4 vfat erofs; do
if ! command -v "mkfs.$format" >/dev/null; then
continue
fi
tee "$defs/root-$format.conf" <<EOF
[Partition]
Type=root-${architecture}
Format=${format}
CopyFiles=${defs}
Minimize=guess
EOF
done
if command -v mksquashfs >/dev/null; then
tee "$defs/root-squashfs.conf" <<EOF
[Partition]
Type=root-${architecture}
Format=squashfs
CopyFiles=${defs}
Minimize=best
EOF
fi
output=$(systemd-repart --offline="$OFFLINE" \
--definitions="$defs" \
--seed="$seed" \
--dry-run=no \
--empty=create \
--size=auto \
--json=pretty \
"$imgs/zzz")
# Check that we can dissect, mount and unmount a minimized image.
systemd-dissect "$imgs/zzz"
systemd-dissect "$imgs/zzz" -M "$imgs/mnt"
systemd-dissect -U "$imgs/mnt"
}
testcase_free_area_calculation() {
local defs imgs output
if ! command -v mksquashfs >/dev/null; then
echo "Skipping free area calculation test without squashfs."
return
fi
defs="$(mktemp --directory "/tmp/test-repart.defs.XXXXXXXXXX")"
imgs="$(mktemp --directory "/var/tmp/test-repart.imgs.XXXXXXXXXX")"
# shellcheck disable=SC2064
trap "rm -rf '$defs' '$imgs'" RETURN
chmod 0755 "$defs"
# https://github.com/systemd/systemd/issues/28225
echo "*** free area calculation ***"
tee "$defs/00-ESP.conf" <<EOF
[Partition]
Type = esp
Label = ESP
Format = vfat
SizeMinBytes = 128M
SizeMaxBytes = 128M
# Sufficient for testing
CopyFiles = /etc:/
EOF
tee "$defs/10-os.conf" <<EOF
[Partition]
Type = root-${architecture}
Label = test
Format = squashfs
Minimize = best
# Sufficient for testing
CopyFiles = /etc/:/
VerityMatchKey = os
Verity = data
EOF
tee "$defs/11-os-verity.conf" <<EOF
[Partition]
Type = root-${architecture}-verity
Label = test
Minimize = best
VerityMatchKey = os
Verity = hash
EOF
# Set sector size for VFAT to 512 bytes because there will not be enough FAT clusters otherwise
output1=$(SYSTEMD_REPART_MKFS_OPTIONS_VFAT="-S 512" systemd-repart \
--definitions="$defs" \
--seed="$seed" \
--dry-run=no \
--empty=create \
--size=auto \
--sector-size=4096 \
--defer-partitions=esp \
--json=pretty \
"$imgs/zzz")
# The second invocation
output2=$(SYSTEMD_REPART_MKFS_OPTIONS_VFAT="-S 512" systemd-repart \
--definitions="$defs" \
--seed="$seed" \
--dry-run=no \
--empty=allow \
--size=auto \
--sector-size=4096 \
--defer-partitions=esp \
--json=pretty \
"$imgs/zzz")
diff -u <(echo "$output1" | grep -E "(offset|raw_size|raw_padding)") <(echo "$output2" | grep -E "(offset|raw_size|raw_padding)")
}
test_sector() {
local defs imgs output loop
local start size ratio
local sector="${1?}"
if systemd-detect-virt --quiet --container; then
echo "Skipping sector size tests in container."
return
fi
echo "*** sector sizes ***"
defs="$(mktemp --directory "/tmp/test-repart.defs.XXXXXXXXXX")"
imgs="$(mktemp --directory "/var/tmp/test-repart.imgs.XXXXXXXXXX")"
# shellcheck disable=SC2064
trap "rm -rf '$defs' '$imgs'" RETURN
tee "$defs/a.conf" <<EOF
[Partition]
Type=root
SizeMaxBytes=15M
SizeMinBytes=15M
EOF
tee "$defs/b.conf" <<EOF
[Partition]
Type=linux-generic
Weight=250
EOF
tee "$defs/c.conf" <<EOF
[Partition]
Type=linux-generic
Weight=750
EOF
truncate -s 100m "$imgs/$sector.img"
loop=$(losetup -b "$sector" -P --show -f "$imgs/$sector.img" )
udevadm wait --timeout 60 --settle "${loop:?}"
systemd-repart --offline="$OFFLINE" \
--pretty=yes \
--definitions="$defs" \
--seed="$seed" \
--empty=require \
--dry-run=no \
"$loop"
sfdisk --verify "$loop"
output=$(sfdisk --dump "$loop")
losetup -d "$loop"
ratio=$(( sector / 512 ))
start=$(( 2048 / ratio ))
size=$(( 30720 / ratio ))
assert_in "${loop}p1 : start= *${start}, size= *${size}, type=${root_guid}, uuid=${root_uuid}, name=\"root-${architecture}\", attrs=\"GUID:59\"" "$output"
start=$(( start + size ))
size=$(( 42992 / ratio ))
assert_in "${loop}p2 : start= *${start}, size= *${size}, type=0FC63DAF-8483-4772-8E79-3D69D8477DE4, uuid=DF71F5E3-080A-4D16-824B-18591B881380, name=\"linux-generic\"" "$output"
start=$(( start + size ))
size=$(( 129000 / ratio ))
assert_in "${loop}p3 : start= *${start}, size= *${size}, type=0FC63DAF-8483-4772-8E79-3D69D8477DE4, uuid=DB081670-07AE-48CA-9F5E-813D5E40B976, name=\"linux-generic-2\"" "$output"
}
OFFLINE="yes"
run_testcases
# Online image builds need loop devices so we can't run them in nspawn.
if ! systemd-detect-virt --container; then
OFFLINE="no"
run_testcases
fi
# Valid block sizes on the Linux block layer are >= 512 and <= PAGE_SIZE, and
# must be powers of 2. Which leaves exactly four different ones to test on
# typical hardware
test_sector 512
test_sector 1024
test_sector 2048
test_sector 4096
touch /testok
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