From: Trond Myklebust <trondmy@gmail.com>
To: Anna Schumaker <Anna.Schumaker@netapp.com>
Cc: linux-nfs@vger.kernel.org
Subject: [PATCH v3 09/29] SUNRPC: Declare RPC timers as TIMER_DEFERRABLE
Date: Sun, 7 Apr 2019 13:58:52 -0400 [thread overview]
Message-ID: <20190407175912.23528-10-trond.myklebust@hammerspace.com> (raw)
In-Reply-To: <20190407175912.23528-9-trond.myklebust@hammerspace.com>
Don't wake idle CPUs only for the purpose of servicing an RPC
queue timeout.
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
---
net/sunrpc/sched.c | 4 +++-
net/sunrpc/xprt.c | 4 +++-
2 files changed, 6 insertions(+), 2 deletions(-)
diff --git a/net/sunrpc/sched.c b/net/sunrpc/sched.c
index 301e0f7f1dc9..1a12fb03e611 100644
--- a/net/sunrpc/sched.c
+++ b/net/sunrpc/sched.c
@@ -249,7 +249,9 @@ static void __rpc_init_priority_wait_queue(struct rpc_wait_queue *queue, const c
queue->maxpriority = nr_queues - 1;
rpc_reset_waitqueue_priority(queue);
queue->qlen = 0;
- timer_setup(&queue->timer_list.timer, __rpc_queue_timer_fn, 0);
+ timer_setup(&queue->timer_list.timer,
+ __rpc_queue_timer_fn,
+ TIMER_DEFERRABLE);
INIT_LIST_HEAD(&queue->timer_list.list);
rpc_assign_waitqueue_name(queue, qname);
}
diff --git a/net/sunrpc/xprt.c b/net/sunrpc/xprt.c
index 7c3623b17493..36af1a1929af 100644
--- a/net/sunrpc/xprt.c
+++ b/net/sunrpc/xprt.c
@@ -1842,7 +1842,9 @@ struct rpc_xprt *xprt_create_transport(struct xprt_create *args)
xprt->idle_timeout = 0;
INIT_WORK(&xprt->task_cleanup, xprt_autoclose);
if (xprt_has_timer(xprt))
- timer_setup(&xprt->timer, xprt_init_autodisconnect, 0);
+ timer_setup(&xprt->timer,
+ xprt_init_autodisconnect,
+ TIMER_DEFERRABLE);
else
timer_setup(&xprt->timer, NULL, 0);
--
2.20.1
next prev parent reply other threads:[~2019-04-07 18:01 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-04-07 17:58 [PATCH v3 00/29] Fix up soft mounts for NFSv4.x Trond Myklebust
2019-04-07 17:58 ` [PATCH v3 01/29] SUNRPC: Fix up task signalling Trond Myklebust
2019-04-07 17:58 ` [PATCH v3 02/29] SUNRPC: Refactor rpc_restart_call/rpc_restart_call_prepare Trond Myklebust
2019-04-07 17:58 ` [PATCH v3 03/29] SUNRPC: Refactor xprt_request_wait_receive() Trond Myklebust
2019-04-07 17:58 ` [PATCH v3 04/29] SUNRPC: Refactor rpc_sleep_on() Trond Myklebust
2019-04-07 17:58 ` [PATCH v3 05/29] SUNRPC: Remove unused argument 'action' from rpc_sleep_on_priority() Trond Myklebust
2019-04-07 17:58 ` [PATCH v3 06/29] SUNRPC: Add function rpc_sleep_on_timeout() Trond Myklebust
2019-04-07 17:58 ` [PATCH v3 07/29] SUNRPC: Fix up tracking of timeouts Trond Myklebust
2019-04-07 17:58 ` [PATCH v3 08/29] SUNRPC: Simplify queue timeouts using timer_reduce() Trond Myklebust
2019-04-07 17:58 ` Trond Myklebust [this message]
2019-04-07 17:58 ` [PATCH v3 10/29] SUNRPC: Ensure that the transport layer respect major timeouts Trond Myklebust
2019-04-07 17:58 ` [PATCH v3 11/29] SUNRPC: Add tracking of RPC level errors Trond Myklebust
2019-04-07 17:58 ` [PATCH v3 12/29] SUNRPC: Make "no retrans timeout" soft tasks behave like softconn for timeouts Trond Myklebust
2019-04-07 17:58 ` [PATCH v3 13/29] SUNRPC: Start the first major timeout calculation at task creation Trond Myklebust
2019-04-07 17:58 ` [PATCH v3 14/29] SUNRPC: Ensure to ratelimit the "server not responding" syslog messages Trond Myklebust
2019-04-07 17:58 ` [PATCH v3 15/29] SUNRPC: Add the 'softerr' rpc_client flag Trond Myklebust
2019-04-07 17:58 ` [PATCH v3 16/29] NFS: Consider ETIMEDOUT to be a fatal error Trond Myklebust
2019-04-07 17:59 ` [PATCH v3 17/29] NFS: Move internal constants out of uapi/linux/nfs_mount.h Trond Myklebust
2019-04-07 17:59 ` [PATCH v3 18/29] NFS: Add a mount option "softerr" to allow clients to see ETIMEDOUT errors Trond Myklebust
2019-04-07 17:59 ` [PATCH v3 19/29] NFS: Don't interrupt file writeout due to fatal errors Trond Myklebust
2019-04-07 17:59 ` [PATCH v3 20/29] NFS: Don't call generic_error_remove_page() while holding locks Trond Myklebust
2019-04-07 17:59 ` [PATCH v3 21/29] NFS: Don't inadvertently clear writeback errors Trond Myklebust
2019-04-07 17:59 ` [PATCH v3 22/29] NFS: Replace custom error reporting mechanism with generic one Trond Myklebust
2019-04-07 17:59 ` [PATCH v3 23/29] NFS: Fix up NFS I/O subrequest creation Trond Myklebust
2019-04-07 17:59 ` [PATCH v3 24/29] NFS: Remove unused argument from nfs_create_request() Trond Myklebust
2019-04-07 17:59 ` [PATCH v3 25/29] pNFS: Add tracking to limit the number of pNFS retries Trond Myklebust
2019-04-07 17:59 ` [PATCH v3 26/29] NFS: Allow signal interruption of NFS4ERR_DELAYed operations Trond Myklebust
2019-04-07 17:59 ` [PATCH v3 27/29] NFS: Ensure that all nfs lock contexts have a valid open context Trond Myklebust
2019-04-07 17:59 ` [PATCH v3 28/29] NFS: Add a helper to return a pointer to the open context of a struct nfs_page Trond Myklebust
2019-04-07 17:59 ` [PATCH v3 29/29] NFS: Remove redundant open context from nfs_page Trond Myklebust
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20190407175912.23528-10-trond.myklebust@hammerspace.com \
--to=trondmy@gmail.com \
--cc=Anna.Schumaker@netapp.com \
--cc=linux-nfs@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).