linux-kernel - ext3 v. ext4 writeback mode

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Date:	Sat, 18 Apr 2009 02:31:09 +0000 (UTC)
From:	Bojan Smojver <bojan@...ursive.com>
To:	linux-kernel@...r.kernel.org
Subject:  ext3 v. ext4 writeback mode

Given this part of the diff between ext3.txt and ext4.txt in
Documentation/filesystems of 2.6.30-rc2, does that mean that ext4 in writeback
mode can still leave garbage in files after the crash?

-------------------------
 * writeback mode
-In data=writeback mode, ext3 does not journal data at all.  This mode provides
+In data=writeback mode, ext4 does not journal data at all.  This mode provides
 a similar level of journaling as that of XFS, JFS, and ReiserFS in its default
 mode - metadata journaling.  A crash+recovery can cause incorrect data to
 appear in files which were written shortly before the crash.  This mode will
-typically provide the best ext3 performance.
+typically provide the best ext4 performance.
-------------------------

Or is it just a quick cut'n'paste thing that never got rewritten?

--
Bojan

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