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| author | Chuck Lever <chuck.lever@oracle.com> | 2014-07-29 17:23:43 -0400 |
|---|---|---|
| committer | Anna Schumaker <Anna.Schumaker@Netapp.com> | 2014-07-31 16:22:53 -0400 |
| commit | 6ab59945f292a5c6cbc4a6c2011f1a732a116af2 (patch) | |
| tree | b6027a5d873b2c5941cfb279be193ad366b7b15d /net/sunrpc/xprtrdma/transport.c | |
| parent | 43e95988178ed70a878a5be6be9ad248342dbf7d (diff) | |
| download | talos-obmc-linux-6ab59945f292a5c6cbc4a6c2011f1a732a116af2.tar.gz talos-obmc-linux-6ab59945f292a5c6cbc4a6c2011f1a732a116af2.zip | |
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refreshed after the QP has been replaced by a reconnect.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>
Diffstat (limited to 'net/sunrpc/xprtrdma/transport.c')
| -rw-r--r-- | net/sunrpc/xprtrdma/transport.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/net/sunrpc/xprtrdma/transport.c b/net/sunrpc/xprtrdma/transport.c index 418510202919..f6d280b31dc9 100644 --- a/net/sunrpc/xprtrdma/transport.c +++ b/net/sunrpc/xprtrdma/transport.c @@ -597,13 +597,14 @@ xprt_rdma_send_request(struct rpc_task *task) struct rpc_xprt *xprt = rqst->rq_xprt; struct rpcrdma_req *req = rpcr_to_rdmar(rqst); struct rpcrdma_xprt *r_xprt = rpcx_to_rdmax(xprt); - int rc; + int rc = 0; - if (req->rl_niovs == 0) { + if (req->rl_niovs == 0) rc = rpcrdma_marshal_req(rqst); - if (rc < 0) - goto failed_marshal; - } + else if (r_xprt->rx_ia.ri_memreg_strategy == RPCRDMA_FRMR) + rc = rpcrdma_marshal_chunks(rqst, 0); + if (rc < 0) + goto failed_marshal; if (req->rl_reply == NULL) /* e.g. reconnection */ rpcrdma_recv_buffer_get(req); |
