How can I bypass the buffer cache or disable it for a process?

Friedrich Doku <[email protected]> Tue, 4 Aug 2026 17:45:48 -0500

Newsgroups	gmane.os.freebsd.devel.hackers
Message-ID	<CAD2_vGrC76JrLpyXy9=0qVLXXSfOFaLu3ts4fQeM36kxO9Q0Qg@mail.gmail.com>

Hello,

Is there a way to reliably run a single userspace process such that all of
its I/O (reads and writes) bypasses the UFS buffer cache?

Best,
Friedrich

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