41 lines
1.0 KiB
Bash
Executable File
41 lines
1.0 KiB
Bash
Executable File
#!/bin/bash
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# check if 'device slack' is reported as zero when a device is missing
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source "$TOP/tests/common"
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check_prereq btrfs-image
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check_prereq mkfs.btrfs
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check_prereq btrfs
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setup_root_helper
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test_run()
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{
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# empty filesystem, with enough redundancy so degraded mount works
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run_check $SUDO_HELPER "$TOP/mkfs.btrfs" -f -d raid1 -m raid1 $dev1 $dev2
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TEST_DEV="$dev1"
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run_check_mount_test_dev
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run_check $SUDO_HELPER "$TOP/btrfs" filesystem usage "$TEST_MNT"
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run_check_stdout $SUDO_HELPER "$TOP/btrfs" device usage "$TEST_MNT" | \
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grep -q "slack.*16\\.00EiB" && _fail
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run_check_umount_test_dev
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run_mayfail wipefs -a $dev2
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run_check $SUDO_HELPER losetup -d $dev2
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unset loopdevs[2]
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run_check_mount_test_dev -o degraded,ro
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run_check $SUDO_HELPER "$TOP/btrfs" filesystem usage "$TEST_MNT"
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run_check_stdout $SUDO_HELPER "$TOP/btrfs" device usage "$TEST_MNT" | \
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grep -q "slack.*16\\.00EiB" && _fail
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run_check_umount_test_dev
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}
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setup_loopdevs 2
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prepare_loopdevs
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dev1=${loopdevs[1]}
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dev2=${loopdevs[2]}
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test_run
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cleanup_loopdevs
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