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authorChuck Lever <chuck.lever@oracle.com>2015-12-17 01:22:23 +0300
committerAnna Schumaker <Anna.Schumaker@Netapp.com>2015-12-18 23:34:33 +0300
commitc8bbe0c7fec3a6fd01d445eea11e72e902403ea9 (patch)
tree625c73c75549ca379d426121e39e84e7ae23202b /net/sunrpc/xprtrdma/backchannel.c
parentffc4d9b1596c34caa98962722e930e97912c8a9f (diff)
downloadlinux-c8bbe0c7fec3a6fd01d445eea11e72e902403ea9.tar.xz
xprtrdma: Disable RPC/RDMA backchannel debugging messages
Clean up. Fixes: 63cae47005af ('xprtrdma: Handle incoming backward direction') Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Tested-by: Devesh Sharma <devesh.sharma@avagotech.com> Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Diffstat (limited to 'net/sunrpc/xprtrdma/backchannel.c')
-rw-r--r--net/sunrpc/xprtrdma/backchannel.c16
1 files changed, 9 insertions, 7 deletions
diff --git a/net/sunrpc/xprtrdma/backchannel.c b/net/sunrpc/xprtrdma/backchannel.c
index 40f48c62f9b1..cc1251d07297 100644
--- a/net/sunrpc/xprtrdma/backchannel.c
+++ b/net/sunrpc/xprtrdma/backchannel.c
@@ -15,7 +15,7 @@
# define RPCDBG_FACILITY RPCDBG_TRANS
#endif
-#define RPCRDMA_BACKCHANNEL_DEBUG
+#undef RPCRDMA_BACKCHANNEL_DEBUG
static void rpcrdma_bc_free_rqst(struct rpcrdma_xprt *r_xprt,
struct rpc_rqst *rqst)
@@ -136,6 +136,7 @@ int xprt_rdma_bc_setup(struct rpc_xprt *xprt, unsigned int reqs)
__func__);
goto out_free;
}
+ dprintk("RPC: %s: new rqst %p\n", __func__, rqst);
rqst->rq_xprt = &r_xprt->rx_xprt;
INIT_LIST_HEAD(&rqst->rq_list);
@@ -216,12 +217,14 @@ int rpcrdma_bc_marshal_reply(struct rpc_rqst *rqst)
rpclen = rqst->rq_svec[0].iov_len;
+#ifdef RPCRDMA_BACKCHANNEL_DEBUG
pr_info("RPC: %s: rpclen %zd headerp 0x%p lkey 0x%x\n",
__func__, rpclen, headerp, rdmab_lkey(req->rl_rdmabuf));
pr_info("RPC: %s: RPC/RDMA: %*ph\n",
__func__, (int)RPCRDMA_HDRLEN_MIN, headerp);
pr_info("RPC: %s: RPC: %*ph\n",
__func__, (int)rpclen, rqst->rq_svec[0].iov_base);
+#endif
req->rl_send_iov[0].addr = rdmab_addr(req->rl_rdmabuf);
req->rl_send_iov[0].length = RPCRDMA_HDRLEN_MIN;
@@ -265,6 +268,9 @@ void xprt_rdma_bc_free_rqst(struct rpc_rqst *rqst)
{
struct rpc_xprt *xprt = rqst->rq_xprt;
+ dprintk("RPC: %s: freeing rqst %p (req %p)\n",
+ __func__, rqst, rpcr_to_rdmar(rqst));
+
smp_mb__before_atomic();
WARN_ON_ONCE(!test_bit(RPC_BC_PA_IN_USE, &rqst->rq_bc_pa_state));
clear_bit(RPC_BC_PA_IN_USE, &rqst->rq_bc_pa_state);
@@ -329,9 +335,7 @@ void rpcrdma_bc_receive_call(struct rpcrdma_xprt *r_xprt,
struct rpc_rqst, rq_bc_pa_list);
list_del(&rqst->rq_bc_pa_list);
spin_unlock(&xprt->bc_pa_lock);
-#ifdef RPCRDMA_BACKCHANNEL_DEBUG
- pr_info("RPC: %s: using rqst %p\n", __func__, rqst);
-#endif
+ dprintk("RPC: %s: using rqst %p\n", __func__, rqst);
/* Prepare rqst */
rqst->rq_reply_bytes_recvd = 0;
@@ -351,10 +355,8 @@ void rpcrdma_bc_receive_call(struct rpcrdma_xprt *r_xprt,
* direction reply.
*/
req = rpcr_to_rdmar(rqst);
-#ifdef RPCRDMA_BACKCHANNEL_DEBUG
- pr_info("RPC: %s: attaching rep %p to req %p\n",
+ dprintk("RPC: %s: attaching rep %p to req %p\n",
__func__, rep, req);
-#endif
req->rl_reply = rep;
/* Defeat the retransmit detection logic in send_request */