From: Bojan Smojver <bojan@rexursive.com>
To: linux-kernel@vger.kernel.org
Subject: ext3 v. ext4 writeback mode
Date: Sat, 18 Apr 2009 02:31:09 +0000 (UTC) [thread overview]
Message-ID: <loom.20090418T022710-681@post.gmane.org> (raw)
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
next reply other threads:[~2009-04-18 2:31 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-04-18 2:31 Bojan Smojver [this message]
2009-04-19 22:39 ` Bojan Smojver
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