From 0572639ff66dcffe62d37adfe4c4576f9fc398f4 Mon Sep 17 00:00:00 2001
From: Xiaoguang Wang <wangxg.fnst@cn.fujitsu.com>
Date: Thu, 12 Feb 2015 23:00:17 -0500
Subject: [PATCH] ext4: fix mmap data corruption in nodelalloc mode when
 blocksize < pagesize

Since commit 90a8020 and d6320cb, Jan Kara has fixed this issue partially.
This mmap data corruption still exists in nodelalloc mode, fix this.

Signed-off-by: Xiaoguang Wang <wangxg.fnst@cn.fujitsu.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Reviewed-by:   Jan Kara <jack@suse.cz>
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Reading git-format-patch failed