summaryrefslogtreecommitdiffstats
path: root/net/sunrpc/xprtrdma/svc_rdma_sendto.c
diff options
context:
space:
mode:
authorChuck Lever <chuck.lever@oracle.com>2018-05-07 15:27:11 -0400
committerJ. Bruce Fields <bfields@redhat.com>2018-05-11 15:48:57 -0400
commit98895edbe377e990e61817d00ab029c7b8b99f21 (patch)
tree2fb2740dafdd84556b991c7fd155ebe3534dbe05 /net/sunrpc/xprtrdma/svc_rdma_sendto.c
parentb6e717cbf28c8348d34be472f119b0ea82e5e8e7 (diff)
downloadlinux-98895edbe377e990e61817d00ab029c7b8b99f21.tar.bz2
svcrdma: Trace key RPC/RDMA protocol events
This includes: * Transport accept and tear-down * Decisions about using Write and Reply chunks * Each RDMA segment that is handled * Whenever an RDMA_ERR is sent As a clean-up, I've standardized the order of the includes, and removed some now redundant dprintk call sites. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Diffstat (limited to 'net/sunrpc/xprtrdma/svc_rdma_sendto.c')
-rw-r--r--net/sunrpc/xprtrdma/svc_rdma_sendto.c19
1 files changed, 8 insertions, 11 deletions
diff --git a/net/sunrpc/xprtrdma/svc_rdma_sendto.c b/net/sunrpc/xprtrdma/svc_rdma_sendto.c
index 79bd3a394da2..4c580833ec2e 100644
--- a/net/sunrpc/xprtrdma/svc_rdma_sendto.c
+++ b/net/sunrpc/xprtrdma/svc_rdma_sendto.c
@@ -99,14 +99,19 @@
* where two different Write segments send portions of the same page.
*/
-#include <linux/sunrpc/debug.h>
-#include <linux/sunrpc/rpc_rdma.h>
#include <linux/spinlock.h>
#include <asm/unaligned.h>
+
#include <rdma/ib_verbs.h>
#include <rdma/rdma_cm.h>
+
+#include <linux/sunrpc/debug.h>
+#include <linux/sunrpc/rpc_rdma.h>
#include <linux/sunrpc/svc_rdma.h>
+#include "xprt_rdma.h"
+#include <trace/events/rpcrdma.h>
+
#define RPCDBG_FACILITY RPCDBG_SVCXPRT
static u32 xdr_padsize(u32 len)
@@ -524,12 +529,6 @@ static int svc_rdma_send_reply_msg(struct svcxprt_rdma *rdma,
u32 inv_rkey;
int ret;
- dprintk("svcrdma: sending %s reply: head=%zu, pagelen=%u, tail=%zu\n",
- (rp_ch ? "RDMA_NOMSG" : "RDMA_MSG"),
- rqstp->rq_res.head[0].iov_len,
- rqstp->rq_res.page_len,
- rqstp->rq_res.tail[0].iov_len);
-
ctxt = svc_rdma_get_context(rdma);
ret = svc_rdma_map_reply_hdr(rdma, ctxt, rdma_resp,
@@ -580,6 +579,7 @@ static int svc_rdma_send_error_msg(struct svcxprt_rdma *rdma,
/* Replace the original transport header with an
* RDMA_ERROR response. XID etc are preserved.
*/
+ trace_svcrdma_err_chunk(*rdma_resp);
p = rdma_resp + 3;
*p++ = rdma_error;
*p = err_chunk;
@@ -635,9 +635,6 @@ int svc_rdma_sendto(struct svc_rqst *rqstp)
rdma_argp = page_address(rqstp->rq_pages[0]);
svc_rdma_get_write_arrays(rdma_argp, &wr_lst, &rp_ch);
- dprintk("svcrdma: preparing response for XID 0x%08x\n",
- be32_to_cpup(rdma_argp));
-
/* Create the RDMA response header. xprt->xpt_mutex,
* acquired in svc_send(), serializes RPC replies. The
* code path below that inserts the credit grant value