From mboxrd@z Thu Jan  1 00:00:00 1970
From: Theodore Tso <tytso@mit.edu>
Subject: Re: issue of ext3_file_write function & remote shares
Date: Fri, 13 Feb 2009 09:03:07 -0500
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Cc: linux-ext4@vger.kernel.org
To: Kavita Kulkarni <Kavita_Kulkarni@qualexsystems.com>
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On Fri, Feb 13, 2009 at 06:16:24PM +0530, Kavita Kulkarni wrote:
> The "ext3_file_write" function in the file
> "/usr/src/linux-source/fs/ext3/file.c" is called whenever a file is
> accessed/modified.

That's where you're wrong.  Files can also be modified via mmap(), and
file modifications that take place after files are memory mapped and
then modified via their memory mappings do not go through
ext3_file_write.

					- Ted