From: Al Viro <viro@zeniv.linux.org.uk>
Date: Fri, 24 Oct 2014 02:56:05 +0000 (-0400)
Subject: overlayfs: don't hold ->i_mutex over opening the real directory
X-Git-Tag: fixes-against-v3.18-rc2~5^2~3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3d268c9b136f51385f9d041f3f2424501b257388;p=pandora-kernel.git

overlayfs: don't hold ->i_mutex over opening the real directory

just use it to serialize the assignment

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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