From: Chuck Lever <chuck.lever@oracle.com>
Date: Tue, 29 Jul 2014 21:23:43 +0000 (-0400)
Subject: xprtrdma: Update rkeys after transport reconnect
X-Git-Tag: cleanup-for-v3.18~41^2~24^2~17
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6ab59945f292a5c6cbc4a6c2011f1a732a116af2;p=pandora-kernel.git

xprtrdma: Update rkeys after transport reconnect

Various reports of:

  rpcrdma_qp_async_error_upcall: QP error 3 on device mlx4_0
		ep ffff8800bfd3e848

Ensure that rkeys in already-marshalled RPC/RDMA headers are
refreshed after the QP has been replaced by a reconnect.

BugLink: https://bugzilla.linux-nfs.org/show_bug.cgi?id=249
Suggested-by: Selvin Xavier <Selvin.Xavier@Emulex.Com>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Tested-by: Steve Wise <swise@opengridcomputing.com>
Tested-by: Shirley Ma <shirley.ma@oracle.com>
Tested-by: Devesh Sharma <devesh.sharma@emulex.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
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