From: Christoph Hellwig <hch@lst.de>
Date: Wed, 10 Sep 2014 15:23:36 +0000 (-0700)
Subject: pnfs/blocklayout: return layouts on setattr
X-Git-Tag: fixes-for-v3.18-merge-window~10^2~38
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=848746bd247cdc3ce1d103e92913316445763778;p=pandora-kernel.git

pnfs/blocklayout: return layouts on setattr

This speads up truncate-heavy workloads like fsx by multiple orders of
magnitude.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
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