From: Trond Myklebust <trond.myklebust@primarydata.com>
Date: Wed, 12 Feb 2014 13:17:00 +0000 (-0500)
Subject: NFSv4.1: Minor optimisation in get_layout_by_fh_locked()
X-Git-Tag: v3.15-rc1~66^2~12^2~10
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9a7fe9e8900baad5f6643000ea48b91aee895165;p=pandora-kernel.git

NFSv4.1: Minor optimisation in get_layout_by_fh_locked()

If the filehandles match, but the igrab() fails, or the layout is
freed before we can get it, then just return NULL.

Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
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