54 lines
1.8 KiB
Bash
Executable File
54 lines
1.8 KiB
Bash
Executable File
#!/bin/sh
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#
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# Transfer a large chunk of data with "--direct-io" and check data
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# correctness afterwards, both with and without rate limits. Note that this
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# doesn't check that O_DIRECT is actually being used, it just checks that
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# data is not being corrupted.
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# Dummy assignments for "shellcheck".
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testSubject="${testSubject:-false}"; workFile1="${workFile1:-.tmp1}"; workFile2="${workFile2:-.tmp2}"
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# generate some data
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dd if=/dev/urandom of="${workFile1}" bs=1024 count=2560 2>/dev/null
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inputChecksum=$(cksum "${workFile1}" | awk '{print $1}')
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doubleInputChecksum=$(cat "${workFile1}" "${workFile1}" | cksum | awk '{print $1}')
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# read through pv and test afterwards
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"${testSubject}" -q "${workFile1}" > "${workFile2}"
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outputChecksum=$(cksum "${workFile2}" | awk '{print $1}')
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if ! test "${inputChecksum}" = "${outputChecksum}"; then
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echo "checksum mismatched even without \"--direct-io\""
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exit 1
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fi
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# Same again but with "--direct-io"
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"${testSubject}" -K -q "${workFile1}" > "${workFile2}"
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outputChecksum=$(cksum "${workFile2}" | awk '{print $1}')
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if ! test "${inputChecksum}" = "${outputChecksum}"; then
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echo "checksum mismatched with \"--direct-io\""
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exit 1
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fi
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# Now with "--direct-io" and "--rate-limit"
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"${testSubject}" -K -L 800K -q "${workFile1}" > "${workFile2}"
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outputChecksum=$(cksum "${workFile2}" | awk '{print $1}')
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if ! test "${inputChecksum}" = "${outputChecksum}"; then
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echo "checksum mismatched with \"--direct-io\" + \"--rate-limit\""
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exit 1
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fi
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# Now with "--direct-io" on the same file twice
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"${testSubject}" -K -q "${workFile1}" "${workFile1}" > "${workFile2}"
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outputChecksum=$(cksum "${workFile2}" | awk '{print $1}')
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if ! test "${doubleInputChecksum}" = "${outputChecksum}"; then
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echo "checksum mismatched with \"--direct-io\" on two files"
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exit 1
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fi
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exit 0
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