From ca8e34f2b05a8289b47907b083dc01dd654ecbde Mon Sep 17 00:00:00 2001
From: Tyler Hicks <tyhicks@linux.vnet.ibm.com>
Date: Wed, 22 Apr 2009 16:27:12 -0500
Subject: [PATCH] eCryptfs: Lock lower directory inode mutex during lookup

This patch locks the lower directory inode's i_mutex before calling
lookup_one_len() to find the appropriate dentry in the lower filesystem.
This bug was found thanks to the warning set in commit 2f9092e1.

Signed-off-by: Tyler Hicks <tyhicks@linux.vnet.ibm.com>
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