nfs: cap request size to fit a kmalloced page array
authorChristoph Hellwig <hch@lst.de>
Thu, 21 Aug 2014 16:09:17 +0000 (11:09 -0500)
committerTrond Myklebust <trond.myklebust@primarydata.com>
Wed, 10 Sep 2014 19:47:01 +0000 (12:47 -0700)
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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