From: Christoph Hellwig <hch@lst.de>
Date: Thu, 21 Aug 2014 16:09:21 +0000 (-0500)
Subject: pnfs: retry after a bad stateid error from layoutget
X-Git-Tag: fixes-for-v3.18-merge-window~10^2~53
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=defb8460881cbf0a5890bc7a63b42c0cfbed721d;p=pandora-kernel.git

pnfs: retry after a bad stateid error from layoutget

Currently we fall through to nfs4_async_handle_error when we get
a bad stateid error back from layoutget.  nfs4_async_handle_error
with a NULL state argument will never retry the operations but return
the error to higher layer, causing an avoiable fallback to MDS I/O.

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