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Date: Mon, 31 Mar 2003 12:55:48 -0500
From: Benjamin LaHaise <bcrl@redhat.com>
To: Kenny Simpson <theonetruekenny@yahoo.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: mmap-related questions
Message-ID: <20030331125548.D20730@redhat.com>
References: <20030331144110.55232.qmail@web20003.mail.yahoo.com>
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On Mon, Mar 31, 2003 at 06:41:10AM -0800, Kenny Simpson wrote:
> I tested that fsync() does not seem to sync pages that
> were mapped with mmap.  Is there some way to sync all
> data associated with the file?  Is there a way which
> is also portable to Solaris 2.6?

No.  You must use msync().  Note that fsync() after munmap() will flush the 
pages to disk under Linux.

> BTW: I'm using 2.4.7 (RH enterprise)

2.4.7 is way out of date and should be updated for the numerous bugfixes and 
security errata.

		-ben
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