[Bug 269328] nfs client: data corruption using fspacectl and mmap

In reply to: bugzilla-noreply_a_freebsd.org: "[Bug 269328] nfs client: data corruption using fspacectl and mmap"
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From: <bugzilla-noreply_at_freebsd.org>
Date: Sun, 05 Feb 2023 23:43:19 UTC

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=269328

--- Comment #7 from Alan Somers <asomers@FreeBSD.org> ---
(In reply to Konstantin Belousov from comment #6)
It seems that doing msync just before fspacectl doesn't fix the problem at all.
 Possibly that's because the test program immediately unmaps the file after the
mmap write, and then later has to mmap it again just for the msync?

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