51 lines
1 KiB
Text
51 lines
1 KiB
Text
#
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# Test for race-condition DIO-write vs punch_hole
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# If race exist dio may rewrite punched block after
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# it was allocated to another file, we will catch that
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# by verifying blocks content
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#
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[global]
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ioengine=libaio
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directory=/scratch
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# File size is reasonably huge to provoke ENOSPC
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filesize=128G
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size=999G
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iodepth=128
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# Expect write failure due to ENOSPC, skip error dump
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continue_on_error=write
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ignore_error=,ENOSPC
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error_dump=0
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fallocate=none
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exitall
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# Two threads (dio and punch_hole) operate on single file:'raicer',
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# We do not care about data content here
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[dio-raicer]
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bs=128k
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direct=1
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buffered=0
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rw=randwrite
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runtime=100
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filename=raicer
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time_based
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[punch_hole-raicer]
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bs=4k
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rw=randtrim
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filename=raicer
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# Verifier thread continiously write to newly allcated blocks
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# and veryfy written content
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[aio-dio-verifier]
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create_on_open=1
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verify=crc32c-intel
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verify_fatal=1
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verify_dump=1
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verify_backlog=1024
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verify_async=4
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direct=1
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# block size should be equals to fs block size to prevent short writes
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bs=4k
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rw=randrw
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filename=aio-dio-verifier
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