From: Christoph Hellwig <hch@lst.de>
Date: Wed, 16 Apr 2014 13:07:21 +0000 (+0200)
Subject: nfs: remove ->write_pageio_init from rpc ops
X-Git-Tag: omap-for-v3.16/fixes-against-rc1~64^2~50
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a20c93e3160e37ecccc738d8eef085c8507949ed;p=pandora-kernel.git

nfs: remove ->write_pageio_init from rpc ops

The write_pageio_init method is just a very convoluted way to grab the
right nfs_pageio_ops vector.  The vector to chose is not a choice of
protocol version, but just a pNFS vs MDS I/O choice that can simply be
done inside nfs_pageio_init_write based on the presence of a layout
driver, and a new force_mds flag to the special case of falling back
to MDS I/O on a pNFS-capable volume.

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