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From: Trond Myklebust <trondmy@gmail.com>
To: linux-nfs@vger.kernel.org
Subject: [PATCH v2 15/28] SUNRPC: Add the 'softerr' rpc_client flag
Date: Fri, 29 Mar 2019 17:59:35 -0400	[thread overview]
Message-ID: <20190329215948.107328-16-trond.myklebust@hammerspace.com> (raw)
In-Reply-To: <20190329215948.107328-15-trond.myklebust@hammerspace.com>

Add the 'softerr' rpc client flag that sets the RPC_TASK_TIMEOUT
flag on all new rpc tasks that are attached to that rpc client.

Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
---
 include/linux/sunrpc/clnt.h | 2 ++
 net/sunrpc/clnt.c           | 8 +++++++-
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/include/linux/sunrpc/clnt.h b/include/linux/sunrpc/clnt.h
index 98bc9883b230..943762acfcd4 100644
--- a/include/linux/sunrpc/clnt.h
+++ b/include/linux/sunrpc/clnt.h
@@ -50,6 +50,7 @@ struct rpc_clnt {
 	struct rpc_iostats *	cl_metrics;	/* per-client statistics */
 
 	unsigned int		cl_softrtry : 1,/* soft timeouts */
+				cl_softerr  : 1,/* Timeouts return errors */
 				cl_discrtry : 1,/* disconnect before retry */
 				cl_noretranstimeo: 1,/* No retransmit timeouts */
 				cl_autobind : 1,/* use getport() */
@@ -144,6 +145,7 @@ struct rpc_add_xprt_test {
 #define RPC_CLNT_CREATE_INFINITE_SLOTS	(1UL << 7)
 #define RPC_CLNT_CREATE_NO_IDLE_TIMEOUT	(1UL << 8)
 #define RPC_CLNT_CREATE_NO_RETRANS_TIMEOUT	(1UL << 9)
+#define RPC_CLNT_CREATE_SOFTERR		(1UL << 10)
 
 struct rpc_clnt *rpc_create(struct rpc_create_args *args);
 struct rpc_clnt	*rpc_bind_new_program(struct rpc_clnt *,
diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c
index c0b79d307579..fb809e1912e3 100644
--- a/net/sunrpc/clnt.c
+++ b/net/sunrpc/clnt.c
@@ -484,8 +484,11 @@ static struct rpc_clnt *rpc_create_xprt(struct rpc_create_args *args,
 	}
 
 	clnt->cl_softrtry = 1;
-	if (args->flags & RPC_CLNT_CREATE_HARDRTRY)
+	if (args->flags & (RPC_CLNT_CREATE_HARDRTRY|RPC_CLNT_CREATE_SOFTERR)) {
 		clnt->cl_softrtry = 0;
+		if (args->flags & RPC_CLNT_CREATE_SOFTERR)
+			clnt->cl_softerr = 1;
+	}
 
 	if (args->flags & RPC_CLNT_CREATE_AUTOBIND)
 		clnt->cl_autobind = 1;
@@ -623,6 +626,7 @@ static struct rpc_clnt *__rpc_clone_client(struct rpc_create_args *args,
 	/* Turn off autobind on clones */
 	new->cl_autobind = 0;
 	new->cl_softrtry = clnt->cl_softrtry;
+	new->cl_softerr = clnt->cl_softerr;
 	new->cl_noretranstimeo = clnt->cl_noretranstimeo;
 	new->cl_discrtry = clnt->cl_discrtry;
 	new->cl_chatty = clnt->cl_chatty;
@@ -1001,6 +1005,8 @@ void rpc_task_set_client(struct rpc_task *task, struct rpc_clnt *clnt)
 		atomic_inc(&clnt->cl_count);
 		if (clnt->cl_softrtry)
 			task->tk_flags |= RPC_TASK_SOFT;
+		if (clnt->cl_softerr)
+			task->tk_flags |= RPC_TASK_TIMEOUT;
 		if (clnt->cl_noretranstimeo)
 			task->tk_flags |= RPC_TASK_NO_RETRANS_TIMEOUT;
 		if (atomic_read(&clnt->cl_swapper))
-- 
2.20.1


  reply	other threads:[~2019-03-29 22:02 UTC|newest]

Thread overview: 42+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-03-29 21:59 [PATCH v2 00/28] Fix up soft mounts for NFSv4.x Trond Myklebust
2019-03-29 21:59 ` [PATCH v2 01/28] SUNRPC: Fix up task signalling Trond Myklebust
2019-03-29 21:59   ` [PATCH v2 02/28] SUNRPC: Refactor rpc_restart_call/rpc_restart_call_prepare Trond Myklebust
2019-03-29 21:59     ` [PATCH v2 03/28] SUNRPC: Refactor xprt_request_wait_receive() Trond Myklebust
2019-03-29 21:59       ` [PATCH v2 04/28] SUNRPC: Refactor rpc_sleep_on() Trond Myklebust
2019-03-29 21:59         ` [PATCH v2 05/28] SUNRPC: Remove unused argument 'action' from rpc_sleep_on_priority() Trond Myklebust
2019-03-29 21:59           ` [PATCH v2 06/28] SUNRPC: Add function rpc_sleep_on_timeout() Trond Myklebust
2019-03-29 21:59             ` [PATCH v2 07/28] SUNRPC: Fix up tracking of timeouts Trond Myklebust
2019-03-29 21:59               ` [PATCH v2 08/28] SUNRPC: Simplify queue timeouts using timer_reduce() Trond Myklebust
2019-03-29 21:59                 ` [PATCH v2 09/28] SUNRPC: Declare RPC timers as TIMER_DEFERRABLE Trond Myklebust
2019-03-29 21:59                   ` [PATCH v2 10/28] SUNRPC: Ensure that the transport layer respect major timeouts Trond Myklebust
2019-03-29 21:59                     ` [PATCH v2 11/28] SUNRPC: Add tracking of RPC level errors Trond Myklebust
2019-03-29 21:59                       ` [PATCH v2 12/28] SUNRPC: Make "no retrans timeout" soft tasks behave like softconn for timeouts Trond Myklebust
2019-03-29 21:59                         ` [PATCH v2 13/28] SUNRPC: Start the first major timeout calculation at task creation Trond Myklebust
2019-03-29 21:59                           ` [PATCH v2 14/28] SUNRPC: Ensure to ratelimit the "server not responding" syslog messages Trond Myklebust
2019-03-29 21:59                             ` Trond Myklebust [this message]
2019-03-29 21:59                               ` [PATCH v2 16/28] NFS: Consider ETIMEDOUT to be a fatal error Trond Myklebust
2019-03-29 21:59                                 ` [PATCH v2 17/28] NFS: Move internal constants out of uapi/linux/nfs_mount.h Trond Myklebust
2019-03-29 21:59                                   ` [PATCH v2 18/28] NFS: Add a mount option "softerr" to allow clients to see ETIMEDOUT errors Trond Myklebust
2019-03-29 21:59                                     ` [PATCH v2 19/28] NFS: Don't interrupt file writeout due to fatal errors Trond Myklebust
2019-03-29 21:59                                       ` [PATCH v2 20/28] NFS: Don't call generic_error_remove_page() while holding locks Trond Myklebust
2019-03-29 21:59                                         ` [PATCH v2 21/28] NFS: Don't inadvertently clear writeback errors Trond Myklebust
2019-03-29 21:59                                           ` [PATCH v2 22/28] NFS: Replace custom error reporting mechanism with generic one Trond Myklebust
2019-03-29 21:59                                             ` [PATCH v2 23/28] NFS: Fix up NFS I/O subrequest creation Trond Myklebust
2019-03-29 21:59                                               ` [PATCH v2 24/28] NFS: Remove unused argument from nfs_create_request() Trond Myklebust
2019-03-29 21:59                                                 ` [PATCH v2 25/28] pNFS: Add tracking to limit the number of pNFS retries Trond Myklebust
2019-03-29 21:59                                                   ` [PATCH v2 26/28] NFS: Allow signal interruption of NFS4ERR_DELAYed operations Trond Myklebust
2019-03-29 21:59                                                     ` [PATCH v2 27/28] NFS: Add a helper to return a pointer to the open context of a struct nfs_page Trond Myklebust
2019-03-29 21:59                                                       ` [PATCH v2 28/28] NFS: Remove redundant open context from nfs_page Trond Myklebust
2019-04-05 19:42                                                         ` Anna Schumaker
2019-04-06 14:14                                                           ` Trond Myklebust
2019-04-08 17:11                                                             ` Anna Schumaker
2019-04-08 18:13                                                               ` Trond Myklebust
2019-04-08 18:15                                                                 ` Anna Schumaker
2019-04-01 16:27                                                   ` [PATCH v2 25/28] pNFS: Add tracking to limit the number of pNFS retries Olga Kornievskaia
2019-04-02 18:23                                                     ` Trond Myklebust
2019-04-01 16:54 ` [PATCH v2 00/28] Fix up soft mounts for NFSv4.x Olga Kornievskaia
2019-04-02 18:28   ` Trond Myklebust
2019-04-03 20:51     ` Mkrtchyan, Tigran
2019-04-03 21:13       ` Trond Myklebust
2019-04-03 21:59         ` Mkrtchyan, Tigran
2019-04-03 22:10           ` Trond Myklebust

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