From: Trond Myklebust <trond.myklebust@primarydata.com>
Date: Mon, 6 Jul 2015 00:06:38 +0000 (-0400)
Subject: NFSv4/pnfs: Ensure we don't miss a file extension
X-Git-Tag: omap-for-v4.3/fixes-merge-window~179^2~11
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2b83d3de4c18af49800e0b26ae013db4fcf43a4a;p=pandora-kernel.git

NFSv4/pnfs: Ensure we don't miss a file extension

pNFS writes don't return attributes, however that doesn't mean that we
should ignore the fact that they may be extending the file. This patch
ensures that if a write is seen to extend the file, then we always set
an attribute barrier, and update the cached file size.

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