xprtrdma: Update rkeys after transport reconnect

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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refreshed after the QP has been replaced by a reconnect.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>

...

This commit is contained in:

Chuck Lever 2014-07-29 17:23:43 -04:00 • committed by Anna Schumaker

parent 43e9598817

commit 6ab59945f2

3 changed files with 54 additions and 42 deletions

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75

net/sunrpc/xprtrdma/rpc_rdma.c

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11

net/sunrpc/xprtrdma/transport.c

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10

net/sunrpc/xprtrdma/xprt_rdma.h

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