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Darrick J. Wong
9184ca155d
Perform copy-on-writes at random offsets to stress the CoW allocation system. Assess the effectiveness of the extent size hint at combatting fragmentation via unshare, a rewrite, and no-op after the random writes. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
24 lines
717 B
Plaintext
24 lines
717 B
Plaintext
QA output created by 210
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Format and mount
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Create initial file
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Reflink to an empty file
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Reflink to an empty file that already has cowextsz
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Reflink to a small file
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Reflink to a nonzero offset
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Reflink from a nonzero offset
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Reflink to a larger file
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Reflink less than the whole source file
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cp reflink to a larger file
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cp reflink to a larger file with cowextsize
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Check cowextsz
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[1048576] SCRATCH_MNT/test-210/file1
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[1048576] SCRATCH_MNT/test-210/file2
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[524288] SCRATCH_MNT/test-210/file3
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[1048576] SCRATCH_MNT/test-210/file4
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[0] SCRATCH_MNT/test-210/file5
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[0] SCRATCH_MNT/test-210/file6
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[0] SCRATCH_MNT/test-210/file7
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[0] SCRATCH_MNT/test-210/file8
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[1048576] SCRATCH_MNT/test-210/file9
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[524288] SCRATCH_MNT/test-210/file10
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