linux-ext4 - i_version_1_vfs

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Message-Id: <20070215002656.a163dee9.akpm@linux-foundation.org>
Date:	Thu, 15 Feb 2007 00:26:56 -0800
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Jean Noel Cordenner <jean-noel.cordenner@...l.net>,
	"Theodore Ts'o" <tytso@....edu>
Cc:	"linux-ext4@...r.kernel.org" <linux-ext4@...r.kernel.org>
Subject: i_version_1_vfs_layer

This:

ftp://ftp.kernel.org/pub/linux/kernel/people/tytso/ext4-patches/2.6.20-ext4-1/broken-out/i_version_1_vfs_layer

significantly deoptimises file_update_time() for major filesystems (eg, ext3).

The changelog offers no reason for this alteration.  In fact the changelog
basically says nothing at all and needs a lot of work.

What is this patch doing and why does it need to make that change?

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