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Date:      Tue, 07 Apr 1998 00:35:18 -0700
From:      David Greenman <dg@root.com>
To:        Peter Wemm <peter@netplex.com.au>
Cc:        freebsd-bugs@hub.freebsd.org
Subject:   Re: kern/6212: Two bugs with MFS filesystem fixed, two features added 
Message-ID:  <199804070735.AAA07419@implode.root.com>
In-Reply-To: Your message of "Mon, 06 Apr 1998 22:50:01 PDT." <199804070550.WAA24796@hub.freebsd.org> 

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> Although, I'm puzzled why the msync() is needed at all, since it's just a
> mmap'ed file.  Perhaps there is some new lurking problem with synchronizing
> of mmap'ed files... :-/

   We've gone both ways with this issue in the past, but the final resolution
was that it is better to require the msync() rather than automatically
flushing VM system managed pages to the backing store.

> Can you please do us a favour and supply a context or unified diff?
> ie: 'cvs diff -u'  Your patch could then be automatically applied rather
> than having to guess the context by hand.

   ...I was going to complain about this myself.

-DG

David Greenman
Core-team/Principal Architect, The FreeBSD Project

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