40 lines
865 B
Bash
Executable File
40 lines
865 B
Bash
Executable File
#!/bin/bash
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# Test if mkfs.btrfs --rootdir will skip shrinking correctly
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source "$TEST_TOP/common"
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check_prereq mkfs.btrfs
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setup_root_helper
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fs_size=$((512 * 1024 * 1024))
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bs=$((1024 * 1024))
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tmp=$(mktemp -d --tmpdir btrfs-progs-mkfs.rootdirXXXXXXX)
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prepare_test_dev "$fs_size"
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# No shrink case
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run_check_mkfs_test_dev --rootdir "$tmp"
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run_check_mount_test_dev
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# We should be able to write at least half of the fs size data since the fs is
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# not shrunk
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run_check $SUDO_HELPER dd if=/dev/zero bs="$bs" count=$(($fs_size / $bs / 2)) \
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of="$TEST_MNT/file"
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run_check_umount_test_dev
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# Shrink case
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run_check_mkfs_test_dev --rootdir "$tmp" --shrink
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run_check_mount_test_dev
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run_mustfail "mkfs.btrfs for shrink rootdir" \
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$SUDO_HELPER dd if=/dev/zero bs="$bs" count=$(($fs_size / $bs / 2)) \
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of="$TEST_MNT/file"
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run_check_umount_test_dev
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rm -rf -- "$tmp"
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