From 5adfee9c17314c1411095c23191c3cb0c2d25f9f Mon Sep 17 00:00:00 2001
From: Theodore Ts'o <tytso@mit.edu>
Date: Wed, 8 Jul 2009 17:11:24 -0400
Subject: [PATCH] ext4: fix no journal corruption with locale-gen

If there is no journal, ext4_should_writeback_data() should return
TRUE.  This will fix ext4_set_aops() to set ext4_da_ops in the case of
delayed allocation; otherwise ext4_journaled_aops gets used by
default, which doesn't handle delayed allocation properly.

The advantage of using ext4_should_writeback_data() approach is that
it should handle nobh better as well.

Thanks to Curt Wohlgemuth for investigating this problem, and Aneesh
Kumar for suggesting this approach.

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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