From: Alex Elder <elder@dreamhost.com>
Date: Wed, 4 Jan 2012 22:30:15 +0000 (-0600)
Subject: ceph: always initialize the dentry in open_root_dentry()
X-Git-Tag: v3.3-rc1~79^2~4
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d46cfba5363a163851dc768f717f34185527a472;p=pandora-kernel.git

ceph: always initialize the dentry in open_root_dentry()

When open_root_dentry() gets a dentry via d_obtain_alias() it does
not get initialized.  If the dentry obtained came from the cache,
this is OK.  But if not, the result is an improperly initialized
dentry.

To fix this, call ceph_init_dentry() regardless of which path
produced the dentry.  That function returns immediately for a dentry
that is already initialized, it is safe to use either way.

(Credit to Sage, who suggested this fix.)

Signed-off-by: Alex Elder <aelder@sgi.com>
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