From: Christoph Hellwig <hch@lst.de>
Date: Thu, 21 Aug 2014 16:09:17 +0000 (-0500)
Subject: nfs: cap request size to fit a kmalloced page array
X-Git-Tag: fixes-for-v3.18-merge-window~10^2~56
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2e11f8296d22134c4fca7eb022eea2b09facd307;p=pandora-kernel.git

nfs: cap request size to fit a kmalloced page array

pNFS servers may return arbitrarily large layouts.  Trim back the I/O size
to one that we can at least allocate the page array for.

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