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| author | Tom Talpey <talpey@netapp.com> | 2008-10-09 15:02:02 -0400 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2008-10-10 15:13:59 -0400 |
| commit | b3cd8d45a764e6edb06e7bd386faf99a879569b8 (patch) | |
| tree | e77218bd80d3b9c6ba64b2ff304375458486e514 /net/sunrpc | |
| parent | 5f37d561e0f0cd98017c389cbc22080290f11c3c (diff) | |
| download | lwn-b3cd8d45a764e6edb06e7bd386faf99a879569b8.tar.gz lwn-b3cd8d45a764e6edb06e7bd386faf99a879569b8.zip | |
RPC/RDMA: optionally emit useful transport info upon connect/disconnect.
Signed-off-by: Tom Talpey <talpey@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'net/sunrpc')
| -rw-r--r-- | net/sunrpc/xprtrdma/transport.c | 2 | ||||
| -rw-r--r-- | net/sunrpc/xprtrdma/verbs.c | 21 |
2 files changed, 22 insertions, 1 deletions
diff --git a/net/sunrpc/xprtrdma/transport.c b/net/sunrpc/xprtrdma/transport.c index c7d2380bb5e3..c2da680273c5 100644 --- a/net/sunrpc/xprtrdma/transport.c +++ b/net/sunrpc/xprtrdma/transport.c @@ -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); diff --git a/net/sunrpc/xprtrdma/verbs.c b/net/sunrpc/xprtrdma/verbs.c index f46fb93f421b..170e69cba6c4 100644 --- a/net/sunrpc/xprtrdma/verbs.c +++ b/net/sunrpc/xprtrdma/verbs.c @@ -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; } |