115 lines
2.5 KiB
Bash
Executable File
115 lines
2.5 KiB
Bash
Executable File
#!/bin/bash
|
|
#
|
|
# test that we can send and receive encoded writes for three modes of
|
|
# transparent compression: zlib, lzo, and zstd.
|
|
|
|
source "$TEST_TOP/common"
|
|
|
|
check_prereq mkfs.btrfs
|
|
check_prereq btrfs
|
|
|
|
setup_root_helper
|
|
prepare_test_dev
|
|
|
|
here=`pwd`
|
|
|
|
# assumes the filesystem exists, and does mount, write, snapshot, send, unmount
|
|
# for the specified encoding option
|
|
send_one() {
|
|
local str
|
|
local subv
|
|
local snap
|
|
|
|
algorithm="$1"
|
|
shift
|
|
str="$1"
|
|
shift
|
|
|
|
subv="subv-$algorithm"
|
|
snap="snap-$algorithm"
|
|
|
|
run_check_mount_test_dev "-o" "compress-force=$algorithm"
|
|
cd "$TEST_MNT" || _fail "cannot chdir to TEST_MNT"
|
|
|
|
run_check $SUDO_HELPER "$TOP/btrfs" subvolume create "$subv"
|
|
run_check $SUDO_HELPER dd if=/dev/zero of="$subv/file1" bs=1M count=1
|
|
run_check $SUDO_HELPER dd if=/dev/zero of="$subv/file2" bs=500K count=1
|
|
run_check $SUDO_HELPER "$TOP/btrfs" subvolume snapshot -r "$subv" "$snap"
|
|
run_check $SUDO_HELPER "$TOP/btrfs" send -f "$str" "$snap" "$@"
|
|
|
|
cd "$here" || _fail "cannot chdir back to test directory"
|
|
run_check_umount_test_dev
|
|
}
|
|
|
|
receive_one() {
|
|
local str
|
|
str="$1"
|
|
shift
|
|
|
|
run_check_mkfs_test_dev
|
|
run_check_mount_test_dev
|
|
run_check $SUDO_HELPER "$TOP/btrfs" receive "$@" -v -f "$str" "$TEST_MNT"
|
|
run_check_umount_test_dev
|
|
run_check rm -f -- "$str"
|
|
}
|
|
|
|
test_one_write_encoded() {
|
|
local str
|
|
local algorithm
|
|
algorithm="$1"
|
|
shift
|
|
str="$here/stream-$algorithm.stream"
|
|
|
|
run_check_mkfs_test_dev
|
|
send_one "$algorithm" "$str" --compressed-data
|
|
receive_one "$str" "$@"
|
|
}
|
|
|
|
test_one_stream_v1() {
|
|
local str
|
|
local algorithm
|
|
algorithm="$1"
|
|
shift
|
|
str="$here/stream-$algorithm.stream"
|
|
|
|
run_check_mkfs_test_dev
|
|
send_one "$algorithm" "$str" --proto 1
|
|
receive_one "$str" "$@"
|
|
}
|
|
|
|
test_mix_write_encoded() {
|
|
local strzlib
|
|
local strlzo
|
|
local strzstd
|
|
strzlib="$here/stream-zlib.stream"
|
|
strlzo="$here/stream-lzo.stream"
|
|
strzstd="$here/stream-zstd.stream"
|
|
|
|
run_check_mkfs_test_dev
|
|
|
|
send_one "zlib" "$strzlib" --compressed-data
|
|
send_one "lzo" "$strlzo" --compressed-data
|
|
send_one "zstd" "$strzstd" --compressed-data
|
|
|
|
receive_one "$strzlib"
|
|
receive_one "$strlzo"
|
|
receive_one "$strzstd"
|
|
}
|
|
|
|
test_one_write_encoded "zlib"
|
|
test_one_write_encoded "lzo"
|
|
test_one_write_encoded "zstd"
|
|
|
|
# with decompression forced
|
|
test_one_write_encoded "zlib" "--force-decompress"
|
|
test_one_write_encoded "lzo" "--force-decompress"
|
|
test_one_write_encoded "zstd" "--force-decompress"
|
|
|
|
# send stream v1
|
|
test_one_stream_v1 "zlib"
|
|
test_one_stream_v1 "lzo"
|
|
test_one_stream_v1 "zstd"
|
|
|
|
# files use a mix of compression algorithms
|
|
test_mix_write_encoded
|