From: Benjamin Coddington <bcodding@redhat.com>
To: trond.myklebust@hammerspace.com, anna@kernel.org
Cc: linux-nfs@vger.kernel.org
Subject: [PATCH v3 1/2] SUNRPC: Fixup v4.1 backchannel request timeouts
Date: Wed, 13 Dec 2023 14:49:28 -0500 [thread overview]
Message-ID: <e28038fba1243f00b0dd66b7c5296a1e181645ea.1702496910.git.bcodding@redhat.com> (raw)
After commit 59464b262ff5 ("SUNRPC: SOFTCONN tasks should time out when on
the sending list"), any 4.1 backchannel tasks placed on the sending queue
would immediately return with -ETIMEDOUT since their req timers are zero.
Initialize the backchannel's rpc_rqst timeout parameters from the xprt's
default timeout settings.
Fixes: 59464b262ff5 ("SUNRPC: SOFTCONN tasks should time out when on the sending list")
Signed-off-by: Benjamin Coddington <bcodding@redhat.com>
---
net/sunrpc/xprt.c | 23 ++++++++++++++---------
1 file changed, 14 insertions(+), 9 deletions(-)
diff --git a/net/sunrpc/xprt.c b/net/sunrpc/xprt.c
index 2364c485540c..6cc9ffac962d 100644
--- a/net/sunrpc/xprt.c
+++ b/net/sunrpc/xprt.c
@@ -651,9 +651,9 @@ static unsigned long xprt_abs_ktime_to_jiffies(ktime_t abstime)
jiffies + nsecs_to_jiffies(-delta);
}
-static unsigned long xprt_calc_majortimeo(struct rpc_rqst *req)
+static unsigned long xprt_calc_majortimeo(struct rpc_rqst *req,
+ const struct rpc_timeout *to)
{
- const struct rpc_timeout *to = req->rq_task->tk_client->cl_timeout;
unsigned long majortimeo = req->rq_timeout;
if (to->to_exponential)
@@ -665,9 +665,10 @@ static unsigned long xprt_calc_majortimeo(struct rpc_rqst *req)
return majortimeo;
}
-static void xprt_reset_majortimeo(struct rpc_rqst *req)
+static void xprt_reset_majortimeo(struct rpc_rqst *req,
+ const struct rpc_timeout *to)
{
- req->rq_majortimeo += xprt_calc_majortimeo(req);
+ req->rq_majortimeo += xprt_calc_majortimeo(req, to);
}
static void xprt_reset_minortimeo(struct rpc_rqst *req)
@@ -675,7 +676,8 @@ static void xprt_reset_minortimeo(struct rpc_rqst *req)
req->rq_minortimeo += req->rq_timeout;
}
-static void xprt_init_majortimeo(struct rpc_task *task, struct rpc_rqst *req)
+static void xprt_init_majortimeo(struct rpc_task *task, struct rpc_rqst *req,
+ const struct rpc_timeout *to)
{
unsigned long time_init;
struct rpc_xprt *xprt = req->rq_xprt;
@@ -684,8 +686,9 @@ static void xprt_init_majortimeo(struct rpc_task *task, struct rpc_rqst *req)
time_init = jiffies;
else
time_init = xprt_abs_ktime_to_jiffies(task->tk_start);
- req->rq_timeout = task->tk_client->cl_timeout->to_initval;
- req->rq_majortimeo = time_init + xprt_calc_majortimeo(req);
+
+ req->rq_timeout = to->to_initval;
+ req->rq_majortimeo = time_init + xprt_calc_majortimeo(req, to);
req->rq_minortimeo = time_init + req->rq_timeout;
}
@@ -713,7 +716,7 @@ int xprt_adjust_timeout(struct rpc_rqst *req)
} else {
req->rq_timeout = to->to_initval;
req->rq_retries = 0;
- xprt_reset_majortimeo(req);
+ xprt_reset_majortimeo(req, to);
/* Reset the RTT counters == "slow start" */
spin_lock(&xprt->transport_lock);
rpc_init_rtt(req->rq_task->tk_client->cl_rtt, to->to_initval);
@@ -1886,7 +1889,7 @@ xprt_request_init(struct rpc_task *task)
req->rq_snd_buf.bvec = NULL;
req->rq_rcv_buf.bvec = NULL;
req->rq_release_snd_buf = NULL;
- xprt_init_majortimeo(task, req);
+ xprt_init_majortimeo(task, req, task->tk_client->cl_timeout);
trace_xprt_reserve(req);
}
@@ -1996,6 +1999,8 @@ xprt_init_bc_request(struct rpc_rqst *req, struct rpc_task *task)
*/
xbufp->len = xbufp->head[0].iov_len + xbufp->page_len +
xbufp->tail[0].iov_len;
+
+ xprt_init_majortimeo(task, req, req->rq_xprt->timeout);
}
#endif
--
2.43.0
next reply other threads:[~2023-12-13 19:49 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-12-13 19:49 Benjamin Coddington [this message]
2023-12-13 19:49 ` [PATCH v3 2/2] NFSv4.1: Use the nfs_client's rpc timeouts for backchannel Benjamin Coddington
2024-01-03 21:45 ` Anna Schumaker
2024-01-03 23:00 ` Trond Myklebust
2024-01-04 11:55 ` Benjamin Coddington
2024-01-04 12:13 ` Benjamin Coddington
2024-01-04 13:23 ` Benjamin Coddington
2024-01-04 13:37 ` [PATCH v3 1/2] SUNRPC: Fixup v4.1 backchannel request timeouts Jeff Layton
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=e28038fba1243f00b0dd66b7c5296a1e181645ea.1702496910.git.bcodding@redhat.com \
--to=bcodding@redhat.com \
--cc=anna@kernel.org \
--cc=linux-nfs@vger.kernel.org \
--cc=trond.myklebust@hammerspace.com \
/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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.