From 82ff50b222d8ac645cdeba974c612c9eef01c3dd Mon Sep 17 00:00:00 2001
From: Jan Kara <jack@suse.com>
Date: Tue, 14 Jul 2015 14:55:05 +0200
Subject: [PATCH] doc: Update doc about journalling layer

Documentation of journalling layer in
Documentation/DocBook/filesystems.tmpl speaks about JBD layer. Since
that is going away, update the documentation to speak about JBD2. Also
update the parts that have changed since someone last touched the
document and remove some parts which are just misleading and outdated.

Signed-off-by: Jan Kara <jack@suse.com>
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