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rangelock: Disable cheat mode by default
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Authored by markj on Aug 27 2024, 7:35 PM.
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Details

Summary

Cheat mode is incompatible with code which locks multiple ranges in the
same vnode, with at least one range being write-locked. This can arise
in kern_copy_file_range(). Until that's handled somehow, avoid the
problem to make the fusefs tests stable.

PR: 281073

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rG FreeBSD src repository
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