From 4df3d265bf8f3762e1d77f554ee279c39dedb020 Mon Sep 17 00:00:00 2001
From: "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>
Date: Mon, 28 Jan 2008 23:58:29 -0500
Subject: [PATCH] ext4: Take read lock during overwrite case.

When we are overwriting a file and not actually allocating new file system
blocks we need to take only the read lock on i_data_sem.

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
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Reading git-format-patch failed