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Commit 4a6862b3 authored by Tom Tucker's avatar Tom Tucker Committed by Trond Myklebust
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xprtrdma: The transport should not bug-check when a dup reply is received 



The client side RDMA transport will bug check if it receives a duplicate
reply, instead we should simply drop the duplicate reply.

Signed-off-by: default avatarTom Tucker <tom@ogc.us>
Signed-off-by: default avatarTrond Myklebust <Trond.Myklebust@netapp.com>
parent 18d98f6c

net/sunrpc/xprtrdma/rpc_rdma.c

+7 −2
Original line number Diff line number Diff line
@@ -771,13 +771,18 @@ rpcrdma_reply_handler(struct rpcrdma_rep *rep) 


	/* get request object */

	req = rpcr_to_rdmar(rqst);

	if (req->rl_reply) {

		spin_unlock(&xprt->transport_lock);

		dprintk("RPC:       %s: duplicate reply 0x%p to RPC "

			"request 0x%p: xid 0x%08x\n", __func__, rep, req,

			headerp->rm_xid);

		goto repost;

	}



	dprintk("RPC:       %s: reply 0x%p completes request 0x%p\n"

		"                   RPC request 0x%p xid 0x%08x\n",

			__func__, rep, req, rqst, headerp->rm_xid);



	BUG_ON(!req || req->rl_reply);



	/* from here on, the reply is no longer an orphan */

	req->rl_reply = rep;