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* [PATCH 0/3] Minor clean-ups for v5.17
@ 2022-01-13 17:20 Chuck Lever
  2022-01-13 17:20 ` [PATCH 1/3] xprtrdma: Remove final dprintk call sites from xprtrdma Chuck Lever
                   ` (3 more replies)
  0 siblings, 4 replies; 5+ messages in thread
From: Chuck Lever @ 2022-01-13 17:20 UTC (permalink / raw)
  To: anna.schumaker; +Cc: linux-nfs

Sorry, these seem to have gotten lost in the shuffle. They've been
in my client-miscellany branch on git.kernel.org since late
November. I must have forgotten to repost them for review.

Trond rejected "SUNRPC: Don't dereference xprt->snd_task if it's
a cookie" for v5.16, so I've recrafted it to hopefully address
his concerns.

---

Chuck Lever (3):
      xprtrdma: Remove final dprintk call sites from xprtrdma
      xprtrdma: Remove definitions of RPCDBG_FACILITY
      SUNRPC: Don't dereference xprt->snd_task if it's a cookie


 include/trace/events/sunrpc.h     | 18 +++++++++++++-----
 net/sunrpc/xprtrdma/backchannel.c |  4 ----
 net/sunrpc/xprtrdma/frwr_ops.c    |  4 ----
 net/sunrpc/xprtrdma/rpc_rdma.c    |  4 ----
 net/sunrpc/xprtrdma/transport.c   |  4 ----
 net/sunrpc/xprtrdma/verbs.c       | 23 -----------------------
 6 files changed, 13 insertions(+), 44 deletions(-)

--
Chuck Lever

^ permalink raw reply	[flat|nested] 5+ messages in thread

* [PATCH 1/3] xprtrdma: Remove final dprintk call sites from xprtrdma
  2022-01-13 17:20 [PATCH 0/3] Minor clean-ups for v5.17 Chuck Lever
@ 2022-01-13 17:20 ` Chuck Lever
  2022-01-13 17:20 ` [PATCH 2/3] xprtrdma: Remove definitions of RPCDBG_FACILITY Chuck Lever
                   ` (2 subsequent siblings)
  3 siblings, 0 replies; 5+ messages in thread
From: Chuck Lever @ 2022-01-13 17:20 UTC (permalink / raw)
  To: anna.schumaker; +Cc: linux-nfs

Deprecated. This information is available via tracepoints.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
---
 net/sunrpc/xprtrdma/verbs.c |   12 ------------
 1 file changed, 12 deletions(-)

diff --git a/net/sunrpc/xprtrdma/verbs.c b/net/sunrpc/xprtrdma/verbs.c
index 3d3673ba9e1e..1d6e85fe3133 100644
--- a/net/sunrpc/xprtrdma/verbs.c
+++ b/net/sunrpc/xprtrdma/verbs.c
@@ -274,8 +274,6 @@ rpcrdma_cm_event_handler(struct rdma_cm_id *id, struct rdma_cm_event *event)
 		ep->re_connect_status = -ENETUNREACH;
 		goto wake_connect_worker;
 	case RDMA_CM_EVENT_REJECTED:
-		dprintk("rpcrdma: connection to %pISpc rejected: %s\n",
-			sap, rdma_reject_msg(id, event->status));
 		ep->re_connect_status = -ECONNREFUSED;
 		if (event->status == IB_CM_REJ_STALE_CONN)
 			ep->re_connect_status = -ENOTCONN;
@@ -291,8 +289,6 @@ rpcrdma_cm_event_handler(struct rdma_cm_id *id, struct rdma_cm_event *event)
 		break;
 	}
 
-	dprintk("RPC:       %s: %pISpc on %s/frwr: %s\n", __func__, sap,
-		ep->re_id->device->name, rdma_event_msg(event->event));
 	return 0;
 }
 
@@ -419,14 +415,6 @@ static int rpcrdma_ep_create(struct rpcrdma_xprt *r_xprt)
 	ep->re_attr.qp_type = IB_QPT_RC;
 	ep->re_attr.port_num = ~0;
 
-	dprintk("RPC:       %s: requested max: dtos: send %d recv %d; "
-		"iovs: send %d recv %d\n",
-		__func__,
-		ep->re_attr.cap.max_send_wr,
-		ep->re_attr.cap.max_recv_wr,
-		ep->re_attr.cap.max_send_sge,
-		ep->re_attr.cap.max_recv_sge);
-
 	ep->re_send_batch = ep->re_max_requests >> 3;
 	ep->re_send_count = ep->re_send_batch;
 	init_waitqueue_head(&ep->re_connect_wait);


^ permalink raw reply related	[flat|nested] 5+ messages in thread

* [PATCH 2/3] xprtrdma: Remove definitions of RPCDBG_FACILITY
  2022-01-13 17:20 [PATCH 0/3] Minor clean-ups for v5.17 Chuck Lever
  2022-01-13 17:20 ` [PATCH 1/3] xprtrdma: Remove final dprintk call sites from xprtrdma Chuck Lever
@ 2022-01-13 17:20 ` Chuck Lever
  2022-01-13 17:20 ` [PATCH 3/3] SUNRPC: Don't dereference xprt->snd_task if it's a cookie Chuck Lever
  2022-01-14 21:03 ` [PATCH 0/3] Minor clean-ups for v5.17 Anna Schumaker
  3 siblings, 0 replies; 5+ messages in thread
From: Chuck Lever @ 2022-01-13 17:20 UTC (permalink / raw)
  To: anna.schumaker; +Cc: linux-nfs

Deprecated. dprintk is no longer used in xprtrdma.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
---
 net/sunrpc/xprtrdma/backchannel.c |    4 ----
 net/sunrpc/xprtrdma/frwr_ops.c    |    4 ----
 net/sunrpc/xprtrdma/rpc_rdma.c    |    4 ----
 net/sunrpc/xprtrdma/transport.c   |    4 ----
 net/sunrpc/xprtrdma/verbs.c       |   11 -----------
 5 files changed, 27 deletions(-)

diff --git a/net/sunrpc/xprtrdma/backchannel.c b/net/sunrpc/xprtrdma/backchannel.c
index 17f174d6ea3b..faba7136dd9a 100644
--- a/net/sunrpc/xprtrdma/backchannel.c
+++ b/net/sunrpc/xprtrdma/backchannel.c
@@ -13,10 +13,6 @@
 #include "xprt_rdma.h"
 #include <trace/events/rpcrdma.h>
 
-#if IS_ENABLED(CONFIG_SUNRPC_DEBUG)
-# define RPCDBG_FACILITY	RPCDBG_TRANS
-#endif
-
 #undef RPCRDMA_BACKCHANNEL_DEBUG
 
 /**
diff --git a/net/sunrpc/xprtrdma/frwr_ops.c b/net/sunrpc/xprtrdma/frwr_ops.c
index ff699307e820..515dd7a66a04 100644
--- a/net/sunrpc/xprtrdma/frwr_ops.c
+++ b/net/sunrpc/xprtrdma/frwr_ops.c
@@ -45,10 +45,6 @@
 #include "xprt_rdma.h"
 #include <trace/events/rpcrdma.h>
 
-#if IS_ENABLED(CONFIG_SUNRPC_DEBUG)
-# define RPCDBG_FACILITY	RPCDBG_TRANS
-#endif
-
 static void frwr_cid_init(struct rpcrdma_ep *ep,
 			  struct rpcrdma_mr *mr)
 {
diff --git a/net/sunrpc/xprtrdma/rpc_rdma.c b/net/sunrpc/xprtrdma/rpc_rdma.c
index 8035a983c8ce..281ddb87ac8d 100644
--- a/net/sunrpc/xprtrdma/rpc_rdma.c
+++ b/net/sunrpc/xprtrdma/rpc_rdma.c
@@ -54,10 +54,6 @@
 #include "xprt_rdma.h"
 #include <trace/events/rpcrdma.h>
 
-#if IS_ENABLED(CONFIG_SUNRPC_DEBUG)
-# define RPCDBG_FACILITY	RPCDBG_TRANS
-#endif
-
 /* Returns size of largest RPC-over-RDMA header in a Call message
  *
  * The largest Call header contains a full-size Read list and a
diff --git a/net/sunrpc/xprtrdma/transport.c b/net/sunrpc/xprtrdma/transport.c
index 16e5696314a4..42e375dbdadb 100644
--- a/net/sunrpc/xprtrdma/transport.c
+++ b/net/sunrpc/xprtrdma/transport.c
@@ -60,10 +60,6 @@
 #include "xprt_rdma.h"
 #include <trace/events/rpcrdma.h>
 
-#if IS_ENABLED(CONFIG_SUNRPC_DEBUG)
-# define RPCDBG_FACILITY	RPCDBG_TRANS
-#endif
-
 /*
  * tunables
  */
diff --git a/net/sunrpc/xprtrdma/verbs.c b/net/sunrpc/xprtrdma/verbs.c
index 1d6e85fe3133..f172d1298013 100644
--- a/net/sunrpc/xprtrdma/verbs.c
+++ b/net/sunrpc/xprtrdma/verbs.c
@@ -63,17 +63,6 @@
 #include "xprt_rdma.h"
 #include <trace/events/rpcrdma.h>
 
-/*
- * Globals/Macros
- */
-
-#if IS_ENABLED(CONFIG_SUNRPC_DEBUG)
-# define RPCDBG_FACILITY	RPCDBG_TRANS
-#endif
-
-/*
- * internal functions
- */
 static int rpcrdma_sendctxs_create(struct rpcrdma_xprt *r_xprt);
 static void rpcrdma_sendctxs_destroy(struct rpcrdma_xprt *r_xprt);
 static void rpcrdma_sendctx_put_locked(struct rpcrdma_xprt *r_xprt,


^ permalink raw reply related	[flat|nested] 5+ messages in thread

* [PATCH 3/3] SUNRPC: Don't dereference xprt->snd_task if it's a cookie
  2022-01-13 17:20 [PATCH 0/3] Minor clean-ups for v5.17 Chuck Lever
  2022-01-13 17:20 ` [PATCH 1/3] xprtrdma: Remove final dprintk call sites from xprtrdma Chuck Lever
  2022-01-13 17:20 ` [PATCH 2/3] xprtrdma: Remove definitions of RPCDBG_FACILITY Chuck Lever
@ 2022-01-13 17:20 ` Chuck Lever
  2022-01-14 21:03 ` [PATCH 0/3] Minor clean-ups for v5.17 Anna Schumaker
  3 siblings, 0 replies; 5+ messages in thread
From: Chuck Lever @ 2022-01-13 17:20 UTC (permalink / raw)
  To: anna.schumaker; +Cc: linux-nfs

Fixes: e26d9972720e ("SUNRPC: Clean up scheduling of autoclose")
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
---
 include/trace/events/sunrpc.h |   18 +++++++++++++-----
 1 file changed, 13 insertions(+), 5 deletions(-)

diff --git a/include/trace/events/sunrpc.h b/include/trace/events/sunrpc.h
index 3a99358c262b..28433c9f3306 100644
--- a/include/trace/events/sunrpc.h
+++ b/include/trace/events/sunrpc.h
@@ -953,7 +953,8 @@ TRACE_EVENT(rpc_socket_nospace,
 		{ BIT(XPRT_REMOVE),		"REMOVE" },		\
 		{ BIT(XPRT_CONGESTED),		"CONGESTED" },		\
 		{ BIT(XPRT_CWND_WAIT),		"CWND_WAIT" },		\
-		{ BIT(XPRT_WRITE_SPACE),	"WRITE_SPACE" })
+		{ BIT(XPRT_WRITE_SPACE),	"WRITE_SPACE" },	\
+		{ BIT(XPRT_SND_IS_COOKIE),	"SND_IS_COOKIE" })
 
 DECLARE_EVENT_CLASS(rpc_xprt_lifetime_class,
 	TP_PROTO(
@@ -1150,8 +1151,11 @@ DECLARE_EVENT_CLASS(xprt_writelock_event,
 			__entry->task_id = -1;
 			__entry->client_id = -1;
 		}
-		__entry->snd_task_id = xprt->snd_task ?
-					xprt->snd_task->tk_pid : -1;
+		if (xprt->snd_task &&
+		    !test_bit(XPRT_SND_IS_COOKIE, &xprt->state))
+			__entry->snd_task_id = xprt->snd_task->tk_pid;
+		else
+			__entry->snd_task_id = -1;
 	),
 
 	TP_printk(SUNRPC_TRACE_TASK_SPECIFIER
@@ -1196,8 +1200,12 @@ DECLARE_EVENT_CLASS(xprt_cong_event,
 			__entry->task_id = -1;
 			__entry->client_id = -1;
 		}
-		__entry->snd_task_id = xprt->snd_task ?
-					xprt->snd_task->tk_pid : -1;
+		if (xprt->snd_task &&
+		    !test_bit(XPRT_SND_IS_COOKIE, &xprt->state))
+			__entry->snd_task_id = xprt->snd_task->tk_pid;
+		else
+			__entry->snd_task_id = -1;
+
 		__entry->cong = xprt->cong;
 		__entry->cwnd = xprt->cwnd;
 		__entry->wait = test_bit(XPRT_CWND_WAIT, &xprt->state);


^ permalink raw reply related	[flat|nested] 5+ messages in thread

* Re: [PATCH 0/3] Minor clean-ups for v5.17
  2022-01-13 17:20 [PATCH 0/3] Minor clean-ups for v5.17 Chuck Lever
                   ` (2 preceding siblings ...)
  2022-01-13 17:20 ` [PATCH 3/3] SUNRPC: Don't dereference xprt->snd_task if it's a cookie Chuck Lever
@ 2022-01-14 21:03 ` Anna Schumaker
  3 siblings, 0 replies; 5+ messages in thread
From: Anna Schumaker @ 2022-01-14 21:03 UTC (permalink / raw)
  To: Chuck Lever; +Cc: Linux NFS Mailing List

Hi Chuck,

On Fri, Jan 14, 2022 at 3:19 AM Chuck Lever <chuck.lever@oracle.com> wrote:
>
> Sorry, these seem to have gotten lost in the shuffle. They've been
> in my client-miscellany branch on git.kernel.org since late
> November. I must have forgotten to repost them for review.

These look fairly uncontroversial, so I've added them to my linux-next for 5.17.

Anna

>
> Trond rejected "SUNRPC: Don't dereference xprt->snd_task if it's
> a cookie" for v5.16, so I've recrafted it to hopefully address
> his concerns.
>
> ---
>
> Chuck Lever (3):
>       xprtrdma: Remove final dprintk call sites from xprtrdma
>       xprtrdma: Remove definitions of RPCDBG_FACILITY
>       SUNRPC: Don't dereference xprt->snd_task if it's a cookie
>
>
>  include/trace/events/sunrpc.h     | 18 +++++++++++++-----
>  net/sunrpc/xprtrdma/backchannel.c |  4 ----
>  net/sunrpc/xprtrdma/frwr_ops.c    |  4 ----
>  net/sunrpc/xprtrdma/rpc_rdma.c    |  4 ----
>  net/sunrpc/xprtrdma/transport.c   |  4 ----
>  net/sunrpc/xprtrdma/verbs.c       | 23 -----------------------
>  6 files changed, 13 insertions(+), 44 deletions(-)
>
> --
> Chuck Lever

^ permalink raw reply	[flat|nested] 5+ messages in thread

end of thread, other threads:[~2022-01-14 21:04 UTC | newest]

Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2022-01-13 17:20 [PATCH 0/3] Minor clean-ups for v5.17 Chuck Lever
2022-01-13 17:20 ` [PATCH 1/3] xprtrdma: Remove final dprintk call sites from xprtrdma Chuck Lever
2022-01-13 17:20 ` [PATCH 2/3] xprtrdma: Remove definitions of RPCDBG_FACILITY Chuck Lever
2022-01-13 17:20 ` [PATCH 3/3] SUNRPC: Don't dereference xprt->snd_task if it's a cookie Chuck Lever
2022-01-14 21:03 ` [PATCH 0/3] Minor clean-ups for v5.17 Anna Schumaker

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