diff --git a/tests/cli-tests/016-btrfs-fi-usage/test.sh b/tests/cli-tests/016-btrfs-fi-usage/test.sh new file mode 100755 index 00000000..c3b27c6b --- /dev/null +++ b/tests/cli-tests/016-btrfs-fi-usage/test.sh @@ -0,0 +1,142 @@ +#!/bin/bash +# Tests 'btrfs fi usage' reports correct space/ratio with various RAID profiles + +source "$TEST_TOP/common" + +check_prereq btrfs +setup_root_helper +setup_loopdevs 4 +prepare_loopdevs + +TEST_DEV=${loopdevs[1]} + +report_numbers() +{ + local vars + + vars=($(run_check_stdout $SUDO_HELPER "$TOP/btrfs" filesystem usage -b "$TEST_MNT" | awk ' + /Data ratio/ { ratio=$3 } + a {dev_alloc=$2; exit} + /Data,(DUP|RAID[0156][C34]{0,2}|single)/ { size=substr($2,6,length($2)-6); a=1 } +END {print ratio " " size " " dev_alloc}')) + + echo "${vars[@]}" +} + +test_dup() +{ + local vars + local data_chunk_size + local used_on_dev + local data_ratio + + run_check_mkfs_test_dev -ddup + run_check_mount_test_dev + vars=($(report_numbers)) + data_chunk_size=${vars[1]} + used_on_dev=${vars[2]} + data_ratio=${vars[0]} + + [[ $used_on_dev -eq $((2*$data_chunk_size)) ]] || + _fail "DUP inconsistent chunk/device usage. Chunk: $data_chunk_size Device: $used_on_dev" + + [[ "$data_ratio" = "2.00" ]] || + _fail "DUP: Unexpected data ratio: $data_ratio (must be 2)" + run_check_umount_test_dev +} + +test_raid1() +{ + local vars + local data_chunk_size + local used_on_dev + local data_ratio + + # single is not raid1 but it has the same characteristics so put it in here + # as well + for i in single,1.00 raid1,2.00 raid1c3,3.00 raid1c4,4.00; do + + # this allows to set the tuples to $1 and $2 respectively + OLDIFS=$IFS + IFS="," + set -- $i + IFS=$OLDIFS + + run_check $SUDO_HELPER "$TOP/mkfs.btrfs" -f -d$1 ${loopdevs[@]} + run_check_mount_test_dev + vars=($(report_numbers)) + data_chunk_size=${vars[1]} + used_on_dev=${vars[2]} + data_ratio=${vars[0]} + + [[ $used_on_dev -eq $data_chunk_size ]] || + _fail "$1 inconsistent chunk/device usage. Chunk: $data_chunk_size Device: $used_on_dev" + + [[ "$data_ratio" = "$2" ]] || + _fail "$1: Unexpected data ratio: $data_ratio (must be $2)" + + run_check_umount_test_dev + done +} + +test_raid0() +{ + local vars + local data_chunk_size + local used_on_dev + local data_ratio + + run_check $SUDO_HELPER "$TOP/mkfs.btrfs" -f -draid0 ${loopdevs[@]} + run_check_mount_test_dev + vars=($(report_numbers)) + data_chunk_size=${vars[1]} + used_on_dev=${vars[2]} + data_ratio=${vars[0]} + + # Divide by 4 since 4 loopp devices are setup + [[ $used_on_dev -eq $(($data_chunk_size / 4)) ]] || + _fail "raid0 inconsistent chunk/device usage. Chunk: $data_chunk_size Device: $used_on_dev" + + [[ $data_ratio = "1.00" ]] || + _fail "raid0: Unexpected data ratio: $data_ratio (must be 1.5)" + run_check_umount_test_dev +} + +test_raid56() +{ + local vars + local data_chunk_size + local used_on_dev + local data_ratio + + for i in raid5,1.33,3 raid6,2.00,2; do + + # This allows to set the tuples to $1 and $2 respectively + OLDIFS=$IFS + IFS="," + set -- $i + IFS=$OLDIFS + + run_check $SUDO_HELPER "$TOP/mkfs.btrfs" -f -d$1 ${loopdevs[@]} + run_check_mount_test_dev + vars=($(report_numbers)) + data_chunk_size=${vars[1]} + used_on_dev=${vars[2]} + data_ratio=${vars[0]} + + [[ $used_on_dev -eq $(($data_chunk_size / $3)) ]] || + _fail "$i inconsistent chunk/device usage. Chunk: $data_chunk_size Device: $used_on_dev" + + [[ $data_ratio = "$2" ]] || + _fail "$1: Unexpected data ratio: $data_ratio (must be $2)" + + run_check_umount_test_dev + done +} + +test_dup +test_raid1 +test_raid0 +test_raid56 + +cleanup_loopdevs