From: Al Viro <viro@zeniv.linux.org.uk>
Date: Sun, 17 Jul 2011 01:38:06 +0000 (-0400)
Subject: get rid of useless dget_parent() in fs/btrfs/ioctl.c
X-Git-Tag: v3.1-rc1~282^2~12
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2fbe8c8ad176db69dfc682b4abb721c8fc19c3fd;p=pandora-kernel.git

get rid of useless dget_parent() in fs/btrfs/ioctl.c

both callers there have dentry->d_parent stabilized by the fact that
their caller had obtained dentry from lookup_one_len() and had not
dropped ->i_mutex on parent since then.

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