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| author | Benjamin Coddington <bcodding@redhat.com> | 2024-01-04 09:58:45 -0500 |
|---|---|---|
| committer | Anna Schumaker <Anna.Schumaker@Netapp.com> | 2024-01-04 17:00:52 -0500 |
| commit | e6f533b615971afcaa1141573a1a1714d9d4f31a (patch) | |
| tree | c561805a5c72b344dabac6ff9767b9532619af79 /net/sunrpc/xprt.c | |
| parent | 597a421798033cd150586b5f2607389fa4052550 (diff) | |
| download | linux-stable-e6f533b615971afcaa1141573a1a1714d9d4f31a.tar.gz linux-stable-e6f533b615971afcaa1141573a1a1714d9d4f31a.tar.bz2 linux-stable-e6f533b615971afcaa1141573a1a1714d9d4f31a.zip | |
SUNRPC: Fixup v4.1 backchannel request timeouts
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>
Tested-by: Chuck Lever <chuck.lever@oracle.com>
Tested-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Diffstat (limited to 'net/sunrpc/xprt.c')
| -rw-r--r-- | net/sunrpc/xprt.c | 23 |
1 files 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 |