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