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svcrdma: Remove backchannel dprintk call sites

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Clean up.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
This commit is contained in:
Chuck Lever
2020-03-20 15:11:56 -04:00
parent ea740bd5f5
commit f5046b8f43
1 changed files with 5 additions and 43 deletions
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48
net/sunrpc/xprtrdma/svc_rdma_backchannel.c
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@@ -10,10 +10,6 @@
#include "xprt_rdma.h" #include "xprt_rdma.h"
#include <trace/events/rpcrdma.h> #include <trace/events/rpcrdma.h>
#define RPCDBG_FACILITY RPCDBG_SVCXPRT
#undef SVCRDMA_BACKCHANNEL_DEBUG
/** /**
* svc_rdma_handle_bc_reply - Process incoming backchannel Reply * svc_rdma_handle_bc_reply - Process incoming backchannel Reply
* @rqstp: resources for handling the 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; __be32 *rdma_resp = rctxt->rc_recv_buf;
struct rpc_rqst *req; struct rpc_rqst *req;
u32 credits; 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); spin_lock(&xprt->queue_lock);
req = xprt_lookup_rqst(xprt, xid); req = xprt_lookup_rqst(xprt, *rdma_resp);
if (!req) if (!req)
goto out_unlock; goto out_unlock;
dst = &req->rq_private_buf.head[0]; dst = &req->rq_private_buf.head[0];
memcpy(&req->rq_private_buf, &req->rq_rcv_buf, sizeof(struct xdr_buf)); 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; goto out_unlock;
memcpy(dst->iov_base, p, len); memcpy(dst->iov_base, src->iov_base, src->iov_len);
xprt_pin_rqst(req); xprt_pin_rqst(req);
spin_unlock(&xprt->queue_lock); spin_unlock(&xprt->queue_lock);
@@ -66,7 +46,6 @@ void svc_rdma_handle_bc_reply(struct svc_rqst *rqstp,
credits = 1; /* don't deadlock */ credits = 1; /* don't deadlock */
else if (credits > r_xprt->rx_buf.rb_bc_max_requests) else if (credits > r_xprt->rx_buf.rb_bc_max_requests)
credits = r_xprt->rx_buf.rb_bc_max_requests; credits = r_xprt->rx_buf.rb_bc_max_requests;
spin_lock(&xprt->transport_lock); spin_lock(&xprt->transport_lock);
xprt->cwnd = credits << RPC_CWNDSHIFT; xprt->cwnd = credits << RPC_CWNDSHIFT;
spin_unlock(&xprt->transport_lock); 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;
*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(); rqst->rq_xtime = ktime_get();
rc = svc_rdma_bc_sendto(rdma, rqst, ctxt); rc = svc_rdma_bc_sendto(rdma, rqst, ctxt);
if (rc) if (rc)
@@ -188,7 +163,6 @@ put_ctxt:
svc_rdma_send_ctxt_put(rdma, ctxt); svc_rdma_send_ctxt_put(rdma, ctxt);
drop_connection: drop_connection:
dprintk("svcrdma: failed to send bc call\n");
return -ENOTCONN; 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); container_of(sxprt, struct svcxprt_rdma, sc_xprt);
int ret; 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)) if (test_bit(XPT_DEAD, &sxprt->xpt_flags))
return -ENOTCONN; return -ENOTCONN;
@@ -222,8 +193,6 @@ static int xprt_rdma_bc_send_request(struct rpc_rqst *rqst)
static void static void
xprt_rdma_bc_close(struct rpc_xprt *xprt) xprt_rdma_bc_close(struct rpc_xprt *xprt)
{ {
dprintk("svcrdma: %s: xprt %p\n", __func__, xprt);
xprt_disconnect_done(xprt); xprt_disconnect_done(xprt);
xprt->cwnd = RPC_CWNDSHIFT; xprt->cwnd = RPC_CWNDSHIFT;
} }
@@ -231,8 +200,6 @@ xprt_rdma_bc_close(struct rpc_xprt *xprt)
static void static void
xprt_rdma_bc_put(struct rpc_xprt *xprt) xprt_rdma_bc_put(struct rpc_xprt *xprt)
{ {
dprintk("svcrdma: %s: xprt %p\n", __func__, xprt);
xprt_rdma_free_addresses(xprt); xprt_rdma_free_addresses(xprt);
xprt_free(xprt); xprt_free(xprt);
} }
@@ -267,19 +234,14 @@ xprt_setup_rdma_bc(struct xprt_create *args)
struct rpc_xprt *xprt; struct rpc_xprt *xprt;
struct rpcrdma_xprt *new_xprt; struct rpcrdma_xprt *new_xprt;
if (args->addrlen > sizeof(xprt->addr)) { if (args->addrlen > sizeof(xprt->addr))
dprintk("RPC: %s: address too large\n", __func__);
return ERR_PTR(-EBADF); return ERR_PTR(-EBADF);
}
xprt = xprt_alloc(args->net, sizeof(*new_xprt), xprt = xprt_alloc(args->net, sizeof(*new_xprt),
RPCRDMA_MAX_BC_REQUESTS, RPCRDMA_MAX_BC_REQUESTS,
RPCRDMA_MAX_BC_REQUESTS); RPCRDMA_MAX_BC_REQUESTS);
if (!xprt) { if (!xprt)
dprintk("RPC: %s: couldn't allocate rpc_xprt\n",
__func__);
return ERR_PTR(-ENOMEM); return ERR_PTR(-ENOMEM);
}
xprt->timeout = &xprt_rdma_bc_timeout; xprt->timeout = &xprt_rdma_bc_timeout;
xprt_set_bound(xprt); xprt_set_bound(xprt);