diff options
| -rw-r--r-- | fs/nfs/callback_xdr.c | 5 | ||||
| -rw-r--r-- | include/linux/sunrpc/bc_xprt.h | 3 | ||||
| -rw-r--r-- | include/linux/sunrpc/sched.h | 14 | ||||
| -rw-r--r-- | include/linux/sunrpc/svc.h | 2 | ||||
| -rw-r--r-- | include/linux/sunrpc/xprt.h | 11 | ||||
| -rw-r--r-- | net/sunrpc/clnt.c | 6 | ||||
| -rw-r--r-- | net/sunrpc/svc.c | 11 | ||||
| -rw-r--r-- | net/sunrpc/xprt.c | 12 |
8 files changed, 45 insertions, 19 deletions
diff --git a/fs/nfs/callback_xdr.c b/fs/nfs/callback_xdr.c index 321af81c456e..9369488f2ed4 100644 --- a/fs/nfs/callback_xdr.c +++ b/fs/nfs/callback_xdr.c @@ -967,6 +967,11 @@ static __be32 nfs4_callback_compound(struct svc_rqst *rqstp) nops--; } + if (svc_is_backchannel(rqstp) && cps.clp) { + rqstp->bc_to_initval = cps.clp->cl_rpcclient->cl_timeout->to_initval; + rqstp->bc_to_retries = cps.clp->cl_rpcclient->cl_timeout->to_retries; + } + *hdr_res.status = status; *hdr_res.nops = htonl(nops); nfs4_cb_free_slot(&cps); diff --git a/include/linux/sunrpc/bc_xprt.h b/include/linux/sunrpc/bc_xprt.h index db30a159f9d5..f22bf915dcf6 100644 --- a/include/linux/sunrpc/bc_xprt.h +++ b/include/linux/sunrpc/bc_xprt.h @@ -20,7 +20,8 @@ #ifdef CONFIG_SUNRPC_BACKCHANNEL struct rpc_rqst *xprt_lookup_bc_request(struct rpc_xprt *xprt, __be32 xid); void xprt_complete_bc_request(struct rpc_rqst *req, uint32_t copied); -void xprt_init_bc_request(struct rpc_rqst *req, struct rpc_task *task); +void xprt_init_bc_request(struct rpc_rqst *req, struct rpc_task *task, + const struct rpc_timeout *to); void xprt_free_bc_request(struct rpc_rqst *req); int xprt_setup_backchannel(struct rpc_xprt *, unsigned int min_reqs); void xprt_destroy_backchannel(struct rpc_xprt *, unsigned int max_reqs); diff --git a/include/linux/sunrpc/sched.h b/include/linux/sunrpc/sched.h index 8ada7dc802d3..2d61987b3545 100644 --- a/include/linux/sunrpc/sched.h +++ b/include/linux/sunrpc/sched.h @@ -38,6 +38,17 @@ struct rpc_wait { }; /* + * This describes a timeout strategy + */ +struct rpc_timeout { + unsigned long to_initval, /* initial timeout */ + to_maxval, /* max timeout */ + to_increment; /* if !exponential */ + unsigned int to_retries; /* max # of retries */ + unsigned char to_exponential; +}; + +/* * This is the RPC task struct */ struct rpc_task { @@ -205,7 +216,8 @@ struct rpc_wait_queue { */ struct rpc_task *rpc_new_task(const struct rpc_task_setup *); struct rpc_task *rpc_run_task(const struct rpc_task_setup *); -struct rpc_task *rpc_run_bc_task(struct rpc_rqst *req); +struct rpc_task *rpc_run_bc_task(struct rpc_rqst *req, + struct rpc_timeout *timeout); void rpc_put_task(struct rpc_task *); void rpc_put_task_async(struct rpc_task *); bool rpc_task_set_rpc_status(struct rpc_task *task, int rpc_status); diff --git a/include/linux/sunrpc/svc.h b/include/linux/sunrpc/svc.h index b10f987509cc..3331a1c2b47e 100644 --- a/include/linux/sunrpc/svc.h +++ b/include/linux/sunrpc/svc.h @@ -250,6 +250,8 @@ struct svc_rqst { struct net *rq_bc_net; /* pointer to backchannel's * net namespace */ + unsigned long bc_to_initval; + unsigned int bc_to_retries; void ** rq_lease_breaker; /* The v4 client breaking a lease */ unsigned int rq_status_counter; /* RPC processing counter */ }; diff --git a/include/linux/sunrpc/xprt.h b/include/linux/sunrpc/xprt.h index f85d3a0daca2..464f6a9492ab 100644 --- a/include/linux/sunrpc/xprt.h +++ b/include/linux/sunrpc/xprt.h @@ -30,17 +30,6 @@ #define RPC_MAXCWND(xprt) ((xprt)->max_reqs << RPC_CWNDSHIFT) #define RPCXPRT_CONGESTED(xprt) ((xprt)->cong >= (xprt)->cwnd) -/* - * This describes a timeout strategy - */ -struct rpc_timeout { - unsigned long to_initval, /* initial timeout */ - to_maxval, /* max timeout */ - to_increment; /* if !exponential */ - unsigned int to_retries; /* max # of retries */ - unsigned char to_exponential; -}; - enum rpc_display_format_t { RPC_DISPLAY_ADDR = 0, RPC_DISPLAY_PORT, diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c index 0b2c4b5484f5..19437b15ffc7 100644 --- a/net/sunrpc/clnt.c +++ b/net/sunrpc/clnt.c @@ -1311,8 +1311,10 @@ static void call_bc_encode(struct rpc_task *task); * rpc_run_bc_task - Allocate a new RPC task for backchannel use, then run * rpc_execute against it * @req: RPC request + * @timeout: timeout values to use for this task */ -struct rpc_task *rpc_run_bc_task(struct rpc_rqst *req) +struct rpc_task *rpc_run_bc_task(struct rpc_rqst *req, + struct rpc_timeout *timeout) { struct rpc_task *task; struct rpc_task_setup task_setup_data = { @@ -1331,7 +1333,7 @@ struct rpc_task *rpc_run_bc_task(struct rpc_rqst *req) return task; } - xprt_init_bc_request(req, task); + xprt_init_bc_request(req, task, timeout); task->tk_action = call_bc_encode; atomic_inc(&task->tk_count); diff --git a/net/sunrpc/svc.c b/net/sunrpc/svc.c index 3f2ea7a0496f..3f714d33624b 100644 --- a/net/sunrpc/svc.c +++ b/net/sunrpc/svc.c @@ -1557,6 +1557,7 @@ void svc_process_bc(struct rpc_rqst *req, struct svc_rqst *rqstp) { struct rpc_task *task; int proc_error; + struct rpc_timeout timeout; /* Build the svc_rqst used by the common processing routine */ rqstp->rq_xid = req->rq_xid; @@ -1602,8 +1603,16 @@ void svc_process_bc(struct rpc_rqst *req, struct svc_rqst *rqstp) return; } /* Finally, send the reply synchronously */ + if (rqstp->bc_to_initval > 0) { + timeout.to_initval = rqstp->bc_to_initval; + timeout.to_retries = rqstp->bc_to_initval; + } else { + timeout.to_initval = req->rq_xprt->timeout->to_initval; + timeout.to_initval = req->rq_xprt->timeout->to_retries; + } memcpy(&req->rq_snd_buf, &rqstp->rq_res, sizeof(req->rq_snd_buf)); - task = rpc_run_bc_task(req); + task = rpc_run_bc_task(req, &timeout); + if (IS_ERR(task)) return; diff --git a/net/sunrpc/xprt.c b/net/sunrpc/xprt.c index 6cc9ffac962d..af13fdfa6672 100644 --- a/net/sunrpc/xprt.c +++ b/net/sunrpc/xprt.c @@ -1986,7 +1986,8 @@ void xprt_release(struct rpc_task *task) #ifdef CONFIG_SUNRPC_BACKCHANNEL void -xprt_init_bc_request(struct rpc_rqst *req, struct rpc_task *task) +xprt_init_bc_request(struct rpc_rqst *req, struct rpc_task *task, + const struct rpc_timeout *to) { struct xdr_buf *xbufp = &req->rq_snd_buf; @@ -1999,8 +2000,13 @@ 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); + /* + * Backchannel Replies are sent with !RPC_TASK_SOFT and + * RPC_TASK_NO_RETRANS_TIMEOUT. The major timeout setting + * affects only how long each Reply waits to be sent when + * a transport connection cannot be established. + */ + xprt_init_majortimeo(task, req, to); } #endif |