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Subject: [Bug 199152] msdosfs writes on umount to readonly mounted fs
Date: Sun, 05 Apr 2015 21:14:19 +0000
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=199152

--- Comment #3 from Konstantin Belousov <kib@FreeBSD.org> ---
(In reply to longwitz from comment #0)
The msdosfs_unmount() chunk is committed, with minor editing around.

I also committed the assertions to verify your claim that MSDOSFS_FSIMOD flag
was set.  Please re-test with only r281120 applied.  I cannot reproduce the
issue locally, using ro file-backed md volume.  I want to see the backtrace for
the moment where FSIMOD flag is set.

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