36 lines
963 B
Bash
Executable File
36 lines
963 B
Bash
Executable File
#!/bin/bash
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# test if mkfs.btrfs will create file systems that overflow total_bytes
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source "$TEST_TOP/common" || exit
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check_prereq mkfs.btrfs
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check_prereq btrfs
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setup_root_helper
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prepare_test_dev
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# create a temporary btrfs filesystem for the images to make sure the
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# exabyte-scale files will be reliably created
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run_check_mkfs_test_dev
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run_check_mount_test_dev
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# truncate can fail with EFBIG if the OS cannot create a 6EiB file
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out=$(run_mayfail_stdout $SUDO_HELPER truncate -s 6E "$TEST_MNT/img1" 2>&1)
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ret=$?
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if [ $ret -ne 0 ]; then
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run_check_umount_test_dev
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if [[ "$out" == *"File too large"* ]]; then
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_not_run "current kernel could not create a 6EiB file"
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fi
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_fail "command 'truncate -s 6E' failed: $out"
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fi
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run_check $SUDO_HELPER truncate -s 6E "$TEST_MNT/img2"
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run_check $SUDO_HELPER truncate -s 6E "$TEST_MNT/img3"
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run_mustfail "mkfs for too-large images" \
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$SUDO_HELPER "$TOP/mkfs.btrfs" -f "$TEST_MNT"/img[123]
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run_check_umount_test_dev
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