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mdconfig: Add a regression test for mediasize rounding
MFC after: 1 week Sponsored by: The FreeBSD Foundation
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47619b6044
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@ -267,6 +267,36 @@ attach_with_specific_unit_number_cleanup()
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cleanup_common
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}
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atf_test_case attach_size_rounddown cleanup
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attach_size_rounddown()
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{
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atf_set "descr" "Verify that md provider sizes are a multiple of the sector size"
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}
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attach_size_rounddown_body()
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{
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local md
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local ss=8192
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local ms=$(($ss + 4096))
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local ms2=$((2 * $ss + 4096))
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# Use a sector size that's a likely multiple of PAGE_SIZE, as md(4)
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# expects that for swap MDs.
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atf_check -s exit:0 -o save:mdconfig.out -e empty \
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-x "mdconfig -a -t swap -S $ss -s ${ms}b"
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md=$(cat mdconfig.out)
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# 12288 bytes should be rounded down to one sector.
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check_diskinfo "$md" 8192 1 $ss
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# Resize and verify that the new size was also rounded down.
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atf_check -s exit:0 -o empty -e empty \
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-x "mdconfig -r -u ${md#md} -s ${ms2}b"
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check_diskinfo "$md" 16384 2 $ss
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}
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attach_size_rounddown()
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{
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cleanup_common
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}
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atf_init_test_cases()
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{
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atf_add_test_case attach_vnode_non_explicit_type
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@ -277,4 +307,5 @@ atf_init_test_cases()
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atf_add_test_case attach_malloc
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atf_add_test_case attach_swap
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atf_add_test_case attach_with_specific_unit_number
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atf_add_test_case attach_size_rounddown
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}
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