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Date:      Mon, 2 Nov 1998 16:30:29 +1100
From:      Peter Jeremy <peter.jeremy@auss2.alcatel.com.au>
To:        hackers@FreeBSD.ORG
Subject:   Re: sync writes with softupdates enabled
Message-ID:  <98Nov2.163001est.40354@border.alcanet.com.au>

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Mike Smith <mike@smith.net.au> wrote:
>Now that this has been committed, can we have some feedback from people 
>using mmap heavily on -current?

There are no longer any sync writes as a result of using an MMAP'd
history file in inn.  There is no obvious corruption of history file
or associated .pag file.

Note that there is a similar bug in 2.2.x.  The fix is similar, but
needs some thought since there appears to be a problem with the
parameters to vm_object_page_clean().  In particular, `syncio' is
defined as boolean_t, as passed as the `waitfor' argument to
VOP_FSYNC() - which is MNT_ASYNC or MNT_SYNC elsewhere.  I haven't
had the time to work out the correct definitions.

Peter
--
Peter Jeremy (VK2PJ)                    peter.jeremy@alcatel.com.au
Alcatel Australia Limited
41 Mandible St                          Phone: +61 2 9690 5019
ALEXANDRIA  NSW  2015                   Fax:   +61 2 9690 5247

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