Lines Matching refs:rqstp
22 static int svc_deferred_recv(struct svc_rqst *rqstp);
283 void svc_xprt_copy_addrs(struct svc_rqst *rqstp, struct svc_xprt *xprt) in svc_xprt_copy_addrs() argument
285 memcpy(&rqstp->rq_addr, &xprt->xpt_remote, xprt->xpt_remotelen); in svc_xprt_copy_addrs()
286 rqstp->rq_addrlen = xprt->xpt_remotelen; in svc_xprt_copy_addrs()
292 memcpy(&rqstp->rq_daddr, &xprt->xpt_local, xprt->xpt_locallen); in svc_xprt_copy_addrs()
293 rqstp->rq_daddrlen = xprt->xpt_locallen; in svc_xprt_copy_addrs()
304 char *svc_print_addr(struct svc_rqst *rqstp, char *buf, size_t len) in svc_print_addr() argument
306 return __svc_print_addr(svc_addr(rqstp), buf, len); in svc_print_addr()
316 static void svc_thread_enqueue(struct svc_pool *pool, struct svc_rqst *rqstp) in svc_thread_enqueue() argument
318 list_add(&rqstp->rq_list, &pool->sp_threads); in svc_thread_enqueue()
324 static void svc_thread_dequeue(struct svc_pool *pool, struct svc_rqst *rqstp) in svc_thread_dequeue() argument
326 list_del(&rqstp->rq_list); in svc_thread_dequeue()
346 struct svc_rqst *rqstp; in svc_xprt_enqueue() local
378 rqstp = list_entry(pool->sp_threads.next, in svc_xprt_enqueue()
382 xprt, rqstp); in svc_xprt_enqueue()
383 svc_thread_dequeue(pool, rqstp); in svc_xprt_enqueue()
384 if (rqstp->rq_xprt) in svc_xprt_enqueue()
387 rqstp, rqstp->rq_xprt); in svc_xprt_enqueue()
388 rqstp->rq_xprt = xprt; in svc_xprt_enqueue()
391 wake_up(&rqstp->rq_wait); in svc_xprt_enqueue()
433 void svc_reserve(struct svc_rqst *rqstp, int space) in svc_reserve() argument
435 space += rqstp->rq_res.head[0].iov_len; in svc_reserve()
437 if (space < rqstp->rq_reserved) { in svc_reserve()
438 struct svc_xprt *xprt = rqstp->rq_xprt; in svc_reserve()
439 atomic_sub((rqstp->rq_reserved - space), &xprt->xpt_reserved); in svc_reserve()
440 rqstp->rq_reserved = space; in svc_reserve()
447 static void svc_xprt_release(struct svc_rqst *rqstp) in svc_xprt_release() argument
449 struct svc_xprt *xprt = rqstp->rq_xprt; in svc_xprt_release()
451 rqstp->rq_xprt->xpt_ops->xpo_release_rqst(rqstp); in svc_xprt_release()
453 kfree(rqstp->rq_deferred); in svc_xprt_release()
454 rqstp->rq_deferred = NULL; in svc_xprt_release()
456 svc_free_res_pages(rqstp); in svc_xprt_release()
457 rqstp->rq_res.page_len = 0; in svc_xprt_release()
458 rqstp->rq_res.page_base = 0; in svc_xprt_release()
465 if ((rqstp->rq_res.len) > rqstp->rq_reserved) in svc_xprt_release()
467 rqstp->rq_reserved, in svc_xprt_release()
468 rqstp->rq_res.len); in svc_xprt_release()
470 rqstp->rq_res.head[0].iov_len = 0; in svc_xprt_release()
471 svc_reserve(rqstp, 0); in svc_xprt_release()
472 rqstp->rq_xprt = NULL; in svc_xprt_release()
484 struct svc_rqst *rqstp; in svc_wake_up() local
493 rqstp = list_entry(pool->sp_threads.next, in svc_wake_up()
496 dprintk("svc: daemon %p woken up.\n", rqstp); in svc_wake_up()
501 wake_up(&rqstp->rq_wait); in svc_wake_up()
574 int svc_alloc_arg(struct svc_rqst *rqstp) in svc_alloc_arg() argument
576 struct svc_serv *serv = rqstp->rq_server; in svc_alloc_arg()
588 while (rqstp->rq_pages[i] == NULL) { in svc_alloc_arg()
598 rqstp->rq_pages[i] = p; in svc_alloc_arg()
600 rqstp->rq_pages[i++] = NULL; /* this might be seen in nfs_read_actor */ in svc_alloc_arg()
603 arg = &rqstp->rq_arg; in svc_alloc_arg()
604 arg->head[0].iov_base = page_address(rqstp->rq_pages[0]); in svc_alloc_arg()
606 arg->pages = rqstp->rq_pages + 1; in svc_alloc_arg()
615 struct svc_xprt *svc_get_next_xprt(struct svc_rqst *rqstp, long timeout) in svc_get_next_xprt() argument
618 struct svc_pool *pool = rqstp->rq_pool; in svc_get_next_xprt()
625 rqstp->rq_chandle.thread_wait = 5*HZ; in svc_get_next_xprt()
630 rqstp->rq_xprt = xprt; in svc_get_next_xprt()
637 rqstp->rq_chandle.thread_wait = 1*HZ; in svc_get_next_xprt()
646 svc_thread_enqueue(pool, rqstp); in svc_get_next_xprt()
667 add_wait_queue(&rqstp->rq_wait, &wait); in svc_get_next_xprt()
675 remove_wait_queue(&rqstp->rq_wait, &wait); in svc_get_next_xprt()
679 xprt = rqstp->rq_xprt; in svc_get_next_xprt()
681 svc_thread_dequeue(pool, rqstp); in svc_get_next_xprt()
683 dprintk("svc: server %p, no data yet\n", rqstp); in svc_get_next_xprt()
711 static int svc_handle_xprt(struct svc_rqst *rqstp, struct svc_xprt *xprt) in svc_handle_xprt() argument
713 struct svc_serv *serv = rqstp->rq_server; in svc_handle_xprt()
736 rqstp, rqstp->rq_pool->sp_id, xprt, in svc_handle_xprt()
738 rqstp->rq_deferred = svc_deferred_dequeue(xprt); in svc_handle_xprt()
739 if (rqstp->rq_deferred) in svc_handle_xprt()
740 len = svc_deferred_recv(rqstp); in svc_handle_xprt()
742 len = xprt->xpt_ops->xpo_recvfrom(rqstp); in svc_handle_xprt()
744 rqstp->rq_reserved = serv->sv_max_mesg; in svc_handle_xprt()
745 atomic_add(rqstp->rq_reserved, &xprt->xpt_reserved); in svc_handle_xprt()
757 int svc_recv(struct svc_rqst *rqstp, long timeout) in svc_recv() argument
760 struct svc_serv *serv = rqstp->rq_server; in svc_recv()
764 rqstp, timeout); in svc_recv()
766 if (rqstp->rq_xprt) in svc_recv()
769 rqstp); in svc_recv()
770 if (waitqueue_active(&rqstp->rq_wait)) in svc_recv()
773 rqstp); in svc_recv()
775 err = svc_alloc_arg(rqstp); in svc_recv()
784 xprt = svc_get_next_xprt(rqstp, timeout); in svc_recv()
788 len = svc_handle_xprt(rqstp, xprt); in svc_recv()
796 rqstp->rq_secure = svc_port_is_privileged(svc_addr(rqstp)); in svc_recv()
797 rqstp->rq_chandle.defer = svc_defer; in svc_recv()
803 rqstp->rq_res.len = 0; in svc_recv()
804 svc_xprt_release(rqstp); in svc_recv()
812 void svc_drop(struct svc_rqst *rqstp) in svc_drop() argument
814 dprintk("svc: xprt %p dropped request\n", rqstp->rq_xprt); in svc_drop()
815 svc_xprt_release(rqstp); in svc_drop()
822 int svc_send(struct svc_rqst *rqstp) in svc_send() argument
828 xprt = rqstp->rq_xprt; in svc_send()
833 rqstp->rq_xprt->xpt_ops->xpo_release_rqst(rqstp); in svc_send()
836 xb = &rqstp->rq_res; in svc_send()
847 len = xprt->xpt_ops->xpo_sendto(rqstp); in svc_send()
850 svc_xprt_release(rqstp); in svc_send()
1070 struct svc_rqst *rqstp = container_of(req, struct svc_rqst, rq_chandle); in svc_defer() local
1073 if (rqstp->rq_arg.page_len || !rqstp->rq_usedeferral) in svc_defer()
1075 if (rqstp->rq_deferred) { in svc_defer()
1076 dr = rqstp->rq_deferred; in svc_defer()
1077 rqstp->rq_deferred = NULL; in svc_defer()
1082 size = sizeof(struct svc_deferred_req) + rqstp->rq_arg.len; in svc_defer()
1087 dr->handle.owner = rqstp->rq_server; in svc_defer()
1088 dr->prot = rqstp->rq_prot; in svc_defer()
1089 memcpy(&dr->addr, &rqstp->rq_addr, rqstp->rq_addrlen); in svc_defer()
1090 dr->addrlen = rqstp->rq_addrlen; in svc_defer()
1091 dr->daddr = rqstp->rq_daddr; in svc_defer()
1092 dr->argslen = rqstp->rq_arg.len >> 2; in svc_defer()
1093 dr->xprt_hlen = rqstp->rq_xprt_hlen; in svc_defer()
1096 skip = rqstp->rq_arg.len - rqstp->rq_arg.head[0].iov_len; in svc_defer()
1097 memcpy(dr->args, rqstp->rq_arg.head[0].iov_base - skip, in svc_defer()
1100 svc_xprt_get(rqstp->rq_xprt); in svc_defer()
1101 dr->xprt = rqstp->rq_xprt; in svc_defer()
1102 rqstp->rq_dropme = true; in svc_defer()
1111 static int svc_deferred_recv(struct svc_rqst *rqstp) in svc_deferred_recv() argument
1113 struct svc_deferred_req *dr = rqstp->rq_deferred; in svc_deferred_recv()
1116 rqstp->rq_arg.head[0].iov_base = dr->args + (dr->xprt_hlen>>2); in svc_deferred_recv()
1118 rqstp->rq_arg.head[0].iov_len = (dr->argslen<<2) - dr->xprt_hlen; in svc_deferred_recv()
1119 rqstp->rq_arg.page_len = 0; in svc_deferred_recv()
1121 rqstp->rq_arg.len = dr->argslen<<2; in svc_deferred_recv()
1122 rqstp->rq_prot = dr->prot; in svc_deferred_recv()
1123 memcpy(&rqstp->rq_addr, &dr->addr, dr->addrlen); in svc_deferred_recv()
1124 rqstp->rq_addrlen = dr->addrlen; in svc_deferred_recv()
1126 rqstp->rq_xprt_hlen = dr->xprt_hlen; in svc_deferred_recv()
1127 rqstp->rq_daddr = dr->daddr; in svc_deferred_recv()
1128 rqstp->rq_respages = rqstp->rq_pages; in svc_deferred_recv()