From: Chuck Lever <chuck.lever@oracle.com>
To: bfields@fieldses.org
Cc: linux-nfs@vger.kernel.org, linux-rdma@vger.kernel.org
Subject: [PATCH v2 07/29] svcrdma: Remove backchannel dprintk call sites
Date: Tue, 12 May 2020 17:22:41 -0400 [thread overview]
Message-ID: <20200512212241.5826.53572.stgit@klimt.1015granger.net> (raw)
In-Reply-To: <20200512211640.5826.77139.stgit@klimt.1015granger.net>
Clean up.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
---
net/sunrpc/xprtrdma/svc_rdma_backchannel.c | 48 +++-------------------------
1 file changed, 5 insertions(+), 43 deletions(-)
diff --git a/net/sunrpc/xprtrdma/svc_rdma_backchannel.c b/net/sunrpc/xprtrdma/svc_rdma_backchannel.c
index b174f3b109a5..1ee73f7cf931 100644
--- a/net/sunrpc/xprtrdma/svc_rdma_backchannel.c
+++ b/net/sunrpc/xprtrdma/svc_rdma_backchannel.c
@@ -10,10 +10,6 @@
#include "xprt_rdma.h"
#include <trace/events/rpcrdma.h>
-#define RPCDBG_FACILITY RPCDBG_SVCXPRT
-
-#undef SVCRDMA_BACKCHANNEL_DEBUG
-
/**
* svc_rdma_handle_bc_reply - Process incoming backchannel Reply
* @rqstp: resources for handling the Reply
@@ -31,33 +27,17 @@ void svc_rdma_handle_bc_reply(struct svc_rqst *rqstp,
__be32 *rdma_resp = rctxt->rc_recv_buf;
struct rpc_rqst *req;
u32 credits;
- size_t len;
- __be32 xid;
- __be32 *p;
-
- p = (__be32 *)src->iov_base;
- len = src->iov_len;
- xid = *rdma_resp;
-
-#ifdef SVCRDMA_BACKCHANNEL_DEBUG
- pr_info("%s: xid=%08x, length=%zu\n",
- __func__, be32_to_cpu(xid), len);
- pr_info("%s: RPC/RDMA: %*ph\n",
- __func__, (int)RPCRDMA_HDRLEN_MIN, rdma_resp);
- pr_info("%s: RPC: %*ph\n",
- __func__, (int)len, p);
-#endif
spin_lock(&xprt->queue_lock);
- req = xprt_lookup_rqst(xprt, xid);
+ req = xprt_lookup_rqst(xprt, *rdma_resp);
if (!req)
goto out_unlock;
dst = &req->rq_private_buf.head[0];
memcpy(&req->rq_private_buf, &req->rq_rcv_buf, sizeof(struct xdr_buf));
- if (dst->iov_len < len)
+ if (dst->iov_len < src->iov_len)
goto out_unlock;
- memcpy(dst->iov_base, p, len);
+ memcpy(dst->iov_base, src->iov_base, src->iov_len);
xprt_pin_rqst(req);
spin_unlock(&xprt->queue_lock);
@@ -66,7 +46,6 @@ void svc_rdma_handle_bc_reply(struct svc_rqst *rqstp,
credits = 1; /* don't deadlock */
else if (credits > r_xprt->rx_buf.rb_bc_max_requests)
credits = r_xprt->rx_buf.rb_bc_max_requests;
-
spin_lock(&xprt->transport_lock);
xprt->cwnd = credits << RPC_CWNDSHIFT;
spin_unlock(&xprt->transport_lock);
@@ -174,10 +153,6 @@ rpcrdma_bc_send_request(struct svcxprt_rdma *rdma, struct rpc_rqst *rqst)
*p++ = xdr_zero;
*p = xdr_zero;
-#ifdef SVCRDMA_BACKCHANNEL_DEBUG
- pr_info("%s: %*ph\n", __func__, 64, rqst->rq_buffer);
-#endif
-
rqst->rq_xtime = ktime_get();
rc = svc_rdma_bc_sendto(rdma, rqst, ctxt);
if (rc)
@@ -188,7 +163,6 @@ rpcrdma_bc_send_request(struct svcxprt_rdma *rdma, struct rpc_rqst *rqst)
svc_rdma_send_ctxt_put(rdma, ctxt);
drop_connection:
- dprintk("svcrdma: failed to send bc call\n");
return -ENOTCONN;
}
@@ -207,9 +181,6 @@ static int xprt_rdma_bc_send_request(struct rpc_rqst *rqst)
container_of(sxprt, struct svcxprt_rdma, sc_xprt);
int ret;
- dprintk("svcrdma: sending bc call with xid: %08x\n",
- be32_to_cpu(rqst->rq_xid));
-
if (test_bit(XPT_DEAD, &sxprt->xpt_flags))
return -ENOTCONN;
@@ -222,8 +193,6 @@ static int xprt_rdma_bc_send_request(struct rpc_rqst *rqst)
static void
xprt_rdma_bc_close(struct rpc_xprt *xprt)
{
- dprintk("svcrdma: %s: xprt %p\n", __func__, xprt);
-
xprt_disconnect_done(xprt);
xprt->cwnd = RPC_CWNDSHIFT;
}
@@ -231,8 +200,6 @@ xprt_rdma_bc_close(struct rpc_xprt *xprt)
static void
xprt_rdma_bc_put(struct rpc_xprt *xprt)
{
- dprintk("svcrdma: %s: xprt %p\n", __func__, xprt);
-
xprt_rdma_free_addresses(xprt);
xprt_free(xprt);
}
@@ -267,19 +234,14 @@ xprt_setup_rdma_bc(struct xprt_create *args)
struct rpc_xprt *xprt;
struct rpcrdma_xprt *new_xprt;
- if (args->addrlen > sizeof(xprt->addr)) {
- dprintk("RPC: %s: address too large\n", __func__);
+ if (args->addrlen > sizeof(xprt->addr))
return ERR_PTR(-EBADF);
- }
xprt = xprt_alloc(args->net, sizeof(*new_xprt),
RPCRDMA_MAX_BC_REQUESTS,
RPCRDMA_MAX_BC_REQUESTS);
- if (!xprt) {
- dprintk("RPC: %s: couldn't allocate rpc_xprt\n",
- __func__);
+ if (!xprt)
return ERR_PTR(-ENOMEM);
- }
xprt->timeout = &xprt_rdma_bc_timeout;
xprt_set_bound(xprt);
next prev parent reply other threads:[~2020-05-12 21:22 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-12 21:22 [PATCH v2 00/29] Possible NFSD patches for v5.8 Chuck Lever
2020-05-12 21:22 ` [PATCH v2 01/29] SUNRPC: Move xpt_mutex into socket xpo_sendto methods Chuck Lever
2020-05-12 21:22 ` [PATCH v2 02/29] svcrdma: Clean up the tracing for rw_ctx_init errors Chuck Lever
2020-05-12 21:22 ` [PATCH v2 03/29] svcrdma: Clean up handling of get_rw_ctx errors Chuck Lever
2020-05-12 21:22 ` [PATCH v2 04/29] svcrdma: Trace page overruns when constructing RDMA Reads Chuck Lever
2020-05-12 21:22 ` [PATCH v2 05/29] svcrdma: trace undersized Write chunks Chuck Lever
2020-05-12 21:22 ` [PATCH v2 06/29] svcrdma: Fix backchannel return code Chuck Lever
2020-05-12 21:22 ` Chuck Lever [this message]
2020-05-12 21:22 ` [PATCH v2 08/29] svcrdma: Rename tracepoints that record header decoding errors Chuck Lever
2020-05-12 21:22 ` [PATCH v2 09/29] svcrdma: Remove the SVCRDMA_DEBUG macro Chuck Lever
2020-05-12 21:22 ` [PATCH v2 10/29] svcrdma: Displayed remote IP address should match stored address Chuck Lever
2020-05-12 21:23 ` [PATCH v2 11/29] svcrdma: Add tracepoints to report ->xpo_accept failures Chuck Lever
2020-05-12 21:23 ` [PATCH v2 12/29] SUNRPC: Remove kernel memory address from svc_xprt tracepoints Chuck Lever
2020-05-12 21:23 ` [PATCH v2 13/29] SUNRPC: Tracepoint to record errors in svc_xpo_create() Chuck Lever
2020-05-12 21:23 ` [PATCH v2 14/29] SUNRPC: Trace a few more generic svc_xprt events Chuck Lever
2020-05-12 21:23 ` [PATCH v2 15/29] SUNRPC: Remove "#include <trace/events/skb.h>" Chuck Lever
2020-05-12 21:23 ` [PATCH v2 16/29] SUNRPC: Add more svcsock tracepoints Chuck Lever
2020-05-12 21:23 ` [PATCH v2 17/29] SUNRPC: Replace dprintk call sites in TCP state change callouts Chuck Lever
2020-05-12 21:23 ` [PATCH v2 18/29] SUNRPC: Trace server-side rpcbind registration events Chuck Lever
2020-05-12 21:23 ` [PATCH v2 19/29] SUNRPC: Rename svc_sock::sk_reclen Chuck Lever
2020-05-12 21:23 ` [PATCH v2 20/29] SUNRPC: Restructure svc_tcp_recv_record() Chuck Lever
2020-05-12 21:23 ` [PATCH v2 21/29] SUNRPC: Refactor svc_recvfrom() Chuck Lever
2020-05-12 21:24 ` [PATCH v2 22/29] SUNRPC: Restructure svc_udp_recvfrom() Chuck Lever
2020-05-12 21:24 ` [PATCH v2 23/29] SUNRPC: svc_show_status() macro should have enum definitions Chuck Lever
2020-05-12 21:24 ` [PATCH v2 24/29] NFSD: Add tracepoints to NFSD's duplicate reply cache Chuck Lever
2020-05-12 21:24 ` [PATCH v2 25/29] NFSD: Add tracepoints to the NFSD state management code Chuck Lever
2020-05-12 21:24 ` [PATCH v2 26/29] NFSD: Add tracepoints for monitoring NFSD callbacks Chuck Lever
2020-05-12 21:24 ` [PATCH v2 27/29] SUNRPC: Clean up request deferral tracepoints Chuck Lever
2020-05-12 21:24 ` [PATCH v2 28/29] NFSD: Squash an annoying compiler warning Chuck Lever
2020-05-12 21:24 ` [PATCH v2 29/29] NFSD: Fix improperly-formatted Doxygen comments Chuck Lever
2020-05-19 16:11 ` [PATCH v2 00/29] Possible NFSD patches for v5.8 J. Bruce Fields
2020-05-19 16:14 ` Chuck Lever
2020-05-19 21:29 ` Bruce Fields
2020-05-19 22:25 ` Chuck Lever
2020-05-19 23:32 ` Chuck Lever
2020-05-20 16:46 ` Bruce Fields
2020-05-20 16:48 ` Chuck Lever
2020-05-20 17:01 ` Bruce Fields
2020-05-20 17:01 ` Calum Mackay
2020-05-20 17:14 ` Bruce Fields
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