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Commit b3cd8d45 authored by Tom Talpey's avatar Tom Talpey Committed by Trond Myklebust
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RPC/RDMA: optionally emit useful transport info upon connect/disconnect. 



Signed-off-by: default avatarTom Talpey <talpey@netapp.com>
Signed-off-by: default avatarTrond Myklebust <Trond.Myklebust@netapp.com>
parent 5f37d561

net/sunrpc/xprtrdma/transport.c

+1 −1
Original line number Diff line number Diff line
@@ -784,7 +784,7 @@ static void __exit xprt_rdma_cleanup(void) 
{

	int rc;



	dprintk("RPCRDMA Module Removed, deregister RPC RDMA transport\n");

	dprintk(KERN_INFO "RPCRDMA Module Removed, deregister RPC RDMA transport\n");

#ifdef RPC_DEBUG

	if (sunrpc_table_header) {

		unregister_sysctl_table(sunrpc_table_header);

net/sunrpc/xprtrdma/verbs.c

+21 −0
Original line number Diff line number Diff line
@@ -344,6 +344,27 @@ connected: 
		break;

	}



#ifdef RPC_DEBUG

	if (connstate == 1) {

		int ird = attr.max_dest_rd_atomic;

		int tird = ep->rep_remote_cma.responder_resources;

		printk(KERN_INFO "rpcrdma: connection to %u.%u.%u.%u:%u "

			"on %s, memreg %d slots %d ird %d%s\n",

			NIPQUAD(addr->sin_addr.s_addr),

			ntohs(addr->sin_port),

			ia->ri_id->device->name,

			ia->ri_memreg_strategy,

			xprt->rx_buf.rb_max_requests,

			ird, ird < 4 && ird < tird / 2 ? " (low!)" : "");

	} else if (connstate < 0) {

		printk(KERN_INFO "rpcrdma: connection to %u.%u.%u.%u:%u "

			"closed (%d)\n",

			NIPQUAD(addr->sin_addr.s_addr),

			ntohs(addr->sin_port),

			connstate);

	}

#endif



	return 0;

}