From: Josef Bacik <josef@redhat.com>
Date: Sat, 20 Nov 2010 09:48:00 +0000 (+0000)
Subject: Btrfs: use dget_parent where we can UPDATED
X-Git-Tag: v2.6.37-rc4~6^2~11
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6a912213046ecb6511fdf35531a0c7de3de963c9;p=pandora-kernel.git

Btrfs: use dget_parent where we can UPDATED

There are lots of places where we do dentry->d_parent->d_inode without holding
the dentry->d_lock.  This could cause problems with rename.  So instead we need
to use dget_parent() and hold the reference to the parent as long as we are
going to use it's inode and then dput it at the end.

Signed-off-by: Josef Bacik <josef@redhat.com>
Cc: raven@themaw.net
Signed-off-by: Chris Mason <chris.mason@oracle.com>
---

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