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| author | Trond Myklebust <trondmy@gmail.com> | 2019-04-07 20:58:53 +0300 |
|---|---|---|
| committer | Anna Schumaker <Anna.Schumaker@Netapp.com> | 2019-04-25 21:18:13 +0300 |
| commit | 9e910bff74be819aad751e82270682f3c405d199 (patch) | |
| tree | d80185d7ff68336348b44601470a2f3fd0d013c9 | |
| parent | 431235818bc3a919ca7487500c67c3144feece80 (diff) | |
| download | linux-9e910bff74be819aad751e82270682f3c405d199.tar.xz | |
SUNRPC: Ensure that the transport layer respect major timeouts
Ensure that when in the transport layer, we don't sleep past
a major timeout.
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
| -rw-r--r-- | net/sunrpc/xprt.c | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/net/sunrpc/xprt.c b/net/sunrpc/xprt.c index 36af1a1929af..642cc0f64e44 100644 --- a/net/sunrpc/xprt.c +++ b/net/sunrpc/xprt.c @@ -73,6 +73,15 @@ static void xprt_destroy(struct rpc_xprt *xprt); static DEFINE_SPINLOCK(xprt_list_lock); static LIST_HEAD(xprt_list); +static unsigned long xprt_request_timeout(const struct rpc_rqst *req) +{ + unsigned long timeout = jiffies + req->rq_timeout; + + if (time_before(timeout, req->rq_majortimeo)) + return timeout; + return req->rq_majortimeo; +} + /** * xprt_register_transport - register a transport implementation * @transport: transport to register @@ -212,7 +221,7 @@ out_sleep: task->tk_status = -EAGAIN; if (RPC_IS_SOFT(task)) rpc_sleep_on_timeout(&xprt->sending, task, NULL, - jiffies + req->rq_timeout); + xprt_request_timeout(req)); else rpc_sleep_on(&xprt->sending, task, NULL); return 0; @@ -279,7 +288,7 @@ out_sleep: task->tk_status = -EAGAIN; if (RPC_IS_SOFT(task)) rpc_sleep_on_timeout(&xprt->sending, task, NULL, - jiffies + req->rq_timeout); + xprt_request_timeout(req)); else rpc_sleep_on(&xprt->sending, task, NULL); return 0; @@ -795,7 +804,7 @@ void xprt_connect(struct rpc_task *task) if (!xprt_connected(xprt)) { task->tk_rqstp->rq_connect_cookie = xprt->connect_cookie; rpc_sleep_on_timeout(&xprt->pending, task, NULL, - jiffies + task->tk_rqstp->rq_timeout); + xprt_request_timeout(task->tk_rqstp)); if (test_bit(XPRT_CLOSING, &xprt->state)) return; @@ -1087,7 +1096,7 @@ void xprt_wait_for_reply_request_def(struct rpc_task *task) struct rpc_rqst *req = task->tk_rqstp; rpc_sleep_on_timeout(&req->rq_xprt->pending, task, xprt_timer, - jiffies + req->rq_timeout); + xprt_request_timeout(req)); } EXPORT_SYMBOL_GPL(xprt_wait_for_reply_request_def); |