From: Mark Fasheh <mark.fasheh@oracle.com>
Date: Thu, 18 Oct 2007 19:36:10 +0000 (-0700)
Subject: ocfs2: Re-order iput in ocfs2_drop_dentry_lock
X-Git-Tag: v2.6.24-rc3~176^2~4
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9f70968af3e6e21612e06e153aa71c62dee5a09b;p=pandora-kernel.git

ocfs2: Re-order iput in ocfs2_drop_dentry_lock

Do this to avoid a theoretical (I haven't seen this in practice) race where
the downconvert thread might drop the dentry lock, allowing a remote unlink
to proceed before dropping the inode locks. This could bounce access to the
orphan dir between nodes.

There doesn't seem to be a need to do the same in ocfs2_dentry_iput() as
that's never called for the last ref drop from the downconvert thread.

Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
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