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RPC/RDMA: optionally emit useful transport info upon connect/disconnect.

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Signed-off-by: Tom Talpey <talpey@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Tom Talpey 2008-10-09 15:02:02 -04:00 committed by Trond Myklebust
parent 5f37d561e0
commit b3cd8d45a7
2 changed files with 22 additions and 1 deletions
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2
net/sunrpc/xprtrdma/transport.c
View file

@ -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);

21
net/sunrpc/xprtrdma/verbs.c
View file

@ -344,6 +344,27 @@ rpcrdma_conn_upcall(struct rdma_cm_id *id, struct rdma_cm_event *event)
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;
}