From: Trond Myklebust <trondmy@gmail.com>
To: linux-nfs@vger.kernel.org
Subject: [PATCH 12/25] SUNRPC: Add the 'softerr' rpc_client flag
Date: Thu, 28 Mar 2019 16:52:26 -0400 [thread overview]
Message-ID: <20190328205239.29674-13-trond.myklebust@hammerspace.com> (raw)
In-Reply-To: <20190328205239.29674-12-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 d943566a06b2..a46199251151 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
next prev parent reply other threads:[~2019-03-28 20:56 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-03-28 20:52 [PATCH 00/25] Fix up soft mounts for NFSv4.x Trond Myklebust
2019-03-28 20:52 ` [PATCH 01/25] SUNRPC: Fix up task signalling Trond Myklebust
2019-03-28 20:52 ` [PATCH 02/25] SUNRPC: Refactor rpc_restart_call/rpc_restart_call_prepare Trond Myklebust
2019-03-28 20:52 ` [PATCH 03/25] SUNRPC: Refactor xprt_request_wait_receive() Trond Myklebust
2019-03-28 20:52 ` [PATCH 04/25] SUNRPC: Refactor rpc_sleep_on() Trond Myklebust
2019-03-28 20:52 ` [PATCH 05/25] SUNRPC: Remove unused argument 'action' from rpc_sleep_on_priority() Trond Myklebust
2019-03-28 20:52 ` [PATCH 06/25] SUNRPC: Add function rpc_sleep_on_timeout() Trond Myklebust
2019-03-28 20:52 ` [PATCH 07/25] SUNRPC: Fix up tracking of timeouts Trond Myklebust
2019-03-28 20:52 ` [PATCH 08/25] SUNRPC: Ensure that the transport layer respect major timeouts Trond Myklebust
2019-03-28 20:52 ` [PATCH 09/25] SUNRPC: Add tracking of RPC level errors Trond Myklebust
2019-03-28 20:52 ` [PATCH 10/25] SUNRPC: Make "no retrans timeout" soft tasks behave like softconn for timeouts Trond Myklebust
2019-03-28 20:52 ` [PATCH 11/25] SUNRPC: Start the first major timeout calculation at task creation Trond Myklebust
2019-03-28 20:52 ` Trond Myklebust [this message]
2019-03-28 20:52 ` [PATCH 13/25] NFS: Consider ETIMEDOUT to be a fatal error Trond Myklebust
2019-03-28 20:52 ` [PATCH 14/25] NFS: Move internal constants out of uapi/linux/nfs_mount.h Trond Myklebust
2019-03-28 20:52 ` [PATCH 15/25] NFS: Add a mount option "softerr" to allow clients to see ETIMEDOUT errors Trond Myklebust
2019-03-28 20:52 ` [PATCH 16/25] NFS: Don't interrupt file writeout due to fatal errors Trond Myklebust
2019-03-28 20:52 ` [PATCH 17/25] NFS: Don't call generic_error_remove_page() while holding locks Trond Myklebust
2019-03-28 20:52 ` [PATCH 18/25] NFS: Don't inadvertently clear writeback errors Trond Myklebust
2019-03-28 20:52 ` [PATCH 19/25] NFS: Replace custom error reporting mechanism with generic one Trond Myklebust
2019-03-28 20:52 ` [PATCH 20/25] NFS: Fix up NFS I/O subrequest creation Trond Myklebust
2019-03-28 20:52 ` [PATCH 21/25] NFS: Remove unused argument from nfs_create_request() Trond Myklebust
2019-03-28 20:52 ` [PATCH 22/25] pNFS: Add tracking to limit the number of pNFS retries Trond Myklebust
2019-03-28 20:52 ` [PATCH 23/25] NFS: Allow signal interruption of NFS4ERR_DELAYed operations Trond Myklebust
2019-03-28 20:52 ` [PATCH 24/25] NFS: Add a helper to return a pointer to the open context of a struct nfs_page Trond Myklebust
2019-03-28 20:52 ` [PATCH 25/25] NFS: Remove redundant open context from nfs_page Trond Myklebust
2019-04-01 6:37 ` Dan Carpenter
2019-04-01 6:36 ` [PATCH 19/25] NFS: Replace custom error reporting mechanism with generic one Dan Carpenter
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