Lines Matching refs:call
140 struct afs_call *call; in afs_alloc_call() local
143 call = kzalloc(sizeof(*call), gfp); in afs_alloc_call()
144 if (!call) in afs_alloc_call()
147 call->type = type; in afs_alloc_call()
148 call->net = net; in afs_alloc_call()
149 call->debug_id = atomic_inc_return(&rxrpc_debug_id); in afs_alloc_call()
150 atomic_set(&call->usage, 1); in afs_alloc_call()
151 INIT_WORK(&call->async_work, afs_process_async_call); in afs_alloc_call()
152 init_waitqueue_head(&call->waitq); in afs_alloc_call()
153 spin_lock_init(&call->state_lock); in afs_alloc_call()
154 call->_iter = &call->iter; in afs_alloc_call()
157 trace_afs_call(call, afs_call_trace_alloc, 1, o, in afs_alloc_call()
159 return call; in afs_alloc_call()
165 void afs_put_call(struct afs_call *call) in afs_put_call() argument
167 struct afs_net *net = call->net; in afs_put_call()
168 int n = atomic_dec_return(&call->usage); in afs_put_call()
171 trace_afs_call(call, afs_call_trace_put, n, o, in afs_put_call()
176 ASSERT(!work_pending(&call->async_work)); in afs_put_call()
177 ASSERT(call->type->name != NULL); in afs_put_call()
179 if (call->rxcall) { in afs_put_call()
180 rxrpc_kernel_end_call(net->socket, call->rxcall); in afs_put_call()
181 call->rxcall = NULL; in afs_put_call()
183 if (call->type->destructor) in afs_put_call()
184 call->type->destructor(call); in afs_put_call()
186 afs_put_server(call->net, call->server, afs_server_trace_put_call); in afs_put_call()
187 afs_put_cb_interest(call->net, call->cbi); in afs_put_call()
188 afs_put_addrlist(call->alist); in afs_put_call()
189 kfree(call->request); in afs_put_call()
191 trace_afs_call(call, afs_call_trace_free, 0, o, in afs_put_call()
193 kfree(call); in afs_put_call()
201 static struct afs_call *afs_get_call(struct afs_call *call, in afs_get_call() argument
204 int u = atomic_inc_return(&call->usage); in afs_get_call()
206 trace_afs_call(call, why, u, in afs_get_call()
207 atomic_read(&call->net->nr_outstanding_calls), in afs_get_call()
209 return call; in afs_get_call()
215 static void afs_queue_call_work(struct afs_call *call) in afs_queue_call_work() argument
217 if (call->type->work) { in afs_queue_call_work()
218 INIT_WORK(&call->work, call->type->work); in afs_queue_call_work()
220 afs_get_call(call, afs_call_trace_work); in afs_queue_call_work()
221 if (!queue_work(afs_wq, &call->work)) in afs_queue_call_work()
222 afs_put_call(call); in afs_queue_call_work()
233 struct afs_call *call; in afs_alloc_flat_call() local
235 call = afs_alloc_call(net, type, GFP_NOFS); in afs_alloc_flat_call()
236 if (!call) in afs_alloc_flat_call()
240 call->request_size = request_size; in afs_alloc_flat_call()
241 call->request = kmalloc(request_size, GFP_NOFS); in afs_alloc_flat_call()
242 if (!call->request) in afs_alloc_flat_call()
247 call->reply_max = reply_max; in afs_alloc_flat_call()
248 call->buffer = kmalloc(reply_max, GFP_NOFS); in afs_alloc_flat_call()
249 if (!call->buffer) in afs_alloc_flat_call()
253 afs_extract_to_buf(call, call->reply_max); in afs_alloc_flat_call()
254 call->operation_ID = type->op; in afs_alloc_flat_call()
255 init_waitqueue_head(&call->waitq); in afs_alloc_flat_call()
256 return call; in afs_alloc_flat_call()
259 afs_put_call(call); in afs_alloc_flat_call()
267 void afs_flat_call_destructor(struct afs_call *call) in afs_flat_call_destructor() argument
271 kfree(call->request); in afs_flat_call_destructor()
272 call->request = NULL; in afs_flat_call_destructor()
273 kfree(call->buffer); in afs_flat_call_destructor()
274 call->buffer = NULL; in afs_flat_call_destructor()
282 static void afs_load_bvec(struct afs_call *call, struct msghdr *msg, in afs_load_bvec() argument
290 n = find_get_pages_contig(call->mapping, first, nr, pages); in afs_load_bvec()
297 to = call->last_to; in afs_load_bvec()
317 struct afs_call *call = (struct afs_call *)call_user_ID; in afs_notify_end_request_tx() local
319 afs_set_call_state(call, AFS_CALL_CL_REQUESTING, AFS_CALL_CL_AWAIT_REPLY); in afs_notify_end_request_tx()
325 static int afs_send_pages(struct afs_call *call, struct msghdr *msg) in afs_send_pages() argument
329 pgoff_t first = call->first, last = call->last; in afs_send_pages()
332 offset = call->first_offset; in afs_send_pages()
333 call->first_offset = 0; in afs_send_pages()
336 afs_load_bvec(call, msg, bv, first, last, offset); in afs_send_pages()
337 trace_afs_send_pages(call, msg, first, last, offset); in afs_send_pages()
343 ret = rxrpc_kernel_send_data(call->net->socket, call->rxcall, msg, in afs_send_pages()
353 trace_afs_sent_pages(call, call->first, last, first, ret); in afs_send_pages()
361 void afs_make_call(struct afs_addr_cursor *ac, struct afs_call *call, gfp_t gfp) in afs_make_call() argument
372 ASSERT(call->type != NULL); in afs_make_call()
373 ASSERT(call->type->name != NULL); in afs_make_call()
376 call, call->type->name, key_serial(call->key), in afs_make_call()
377 atomic_read(&call->net->nr_outstanding_calls)); in afs_make_call()
379 call->addr_ix = ac->index; in afs_make_call()
380 call->alist = afs_get_addrlist(ac->alist); in afs_make_call()
386 tx_total_len = call->request_size; in afs_make_call()
387 if (call->send_pages) { in afs_make_call()
388 if (call->last == call->first) { in afs_make_call()
389 tx_total_len += call->last_to - call->first_offset; in afs_make_call()
395 tx_total_len += PAGE_SIZE - call->first_offset; in afs_make_call()
396 tx_total_len += call->last_to; in afs_make_call()
397 tx_total_len += (call->last - call->first - 1) * PAGE_SIZE; in afs_make_call()
404 if (call->async) { in afs_make_call()
405 afs_get_call(call, afs_call_trace_get); in afs_make_call()
406 call->drop_ref = true; in afs_make_call()
410 rxcall = rxrpc_kernel_begin_call(call->net->socket, srx, call->key, in afs_make_call()
411 (unsigned long)call, in afs_make_call()
413 (call->async ? in afs_make_call()
416 call->upgrade, in afs_make_call()
417 (call->intr ? RXRPC_PREINTERRUPTIBLE : in afs_make_call()
419 call->debug_id); in afs_make_call()
422 call->error = ret; in afs_make_call()
426 call->rxcall = rxcall; in afs_make_call()
428 if (call->max_lifespan) in afs_make_call()
429 rxrpc_kernel_set_max_life(call->net->socket, rxcall, in afs_make_call()
430 call->max_lifespan); in afs_make_call()
431 call->issue_time = ktime_get_real(); in afs_make_call()
434 iov[0].iov_base = call->request; in afs_make_call()
435 iov[0].iov_len = call->request_size; in afs_make_call()
439 iov_iter_kvec(&msg.msg_iter, WRITE, iov, 1, call->request_size); in afs_make_call()
442 msg.msg_flags = MSG_WAITALL | (call->send_pages ? MSG_MORE : 0); in afs_make_call()
444 ret = rxrpc_kernel_send_data(call->net->socket, rxcall, in afs_make_call()
445 &msg, call->request_size, in afs_make_call()
450 if (call->send_pages) { in afs_make_call()
451 ret = afs_send_pages(call, &msg); in afs_make_call()
466 rxrpc_kernel_abort_call(call->net->socket, rxcall, in afs_make_call()
470 rxrpc_kernel_recv_data(call->net->socket, rxcall, in afs_make_call()
472 &call->abort_code, &call->service_id); in afs_make_call()
473 ac->abort_code = call->abort_code; in afs_make_call()
476 call->error = ret; in afs_make_call()
477 trace_afs_call_done(call); in afs_make_call()
479 if (call->type->done) in afs_make_call()
480 call->type->done(call); in afs_make_call()
486 if (call->rxcall) { in afs_make_call()
487 rxrpc_kernel_end_call(call->net->socket, call->rxcall); in afs_make_call()
488 call->rxcall = NULL; in afs_make_call()
490 if (call->async) { in afs_make_call()
491 if (cancel_work_sync(&call->async_work)) in afs_make_call()
492 afs_put_call(call); in afs_make_call()
493 afs_set_call_complete(call, ret, 0); in afs_make_call()
497 call->state = AFS_CALL_COMPLETE; in afs_make_call()
504 static void afs_deliver_to_call(struct afs_call *call) in afs_deliver_to_call() argument
510 _enter("%s", call->type->name); in afs_deliver_to_call()
512 while (state = READ_ONCE(call->state), in afs_deliver_to_call()
519 iov_iter_kvec(&call->iter, READ, NULL, 0, 0); in afs_deliver_to_call()
520 ret = rxrpc_kernel_recv_data(call->net->socket, in afs_deliver_to_call()
521 call->rxcall, &call->iter, in afs_deliver_to_call()
523 &call->service_id); in afs_deliver_to_call()
524 trace_afs_receive_data(call, &call->iter, false, ret); in afs_deliver_to_call()
536 ret = call->type->deliver(call); in afs_deliver_to_call()
537 state = READ_ONCE(call->state); in afs_deliver_to_call()
538 if (ret == 0 && call->unmarshalling_error) in afs_deliver_to_call()
542 afs_queue_call_work(call); in afs_deliver_to_call()
544 if (call->cbi) in afs_deliver_to_call()
546 &call->cbi->server->flags); in afs_deliver_to_call()
559 rxrpc_kernel_abort_call(call->net->socket, call->rxcall, in afs_deliver_to_call()
564 call->debug_id, state); in afs_deliver_to_call()
572 rxrpc_kernel_abort_call(call->net->socket, call->rxcall, in afs_deliver_to_call()
577 rxrpc_kernel_abort_call(call->net->socket, call->rxcall, in afs_deliver_to_call()
584 if (call->type->done) in afs_deliver_to_call()
585 call->type->done(call); in afs_deliver_to_call()
593 afs_set_call_complete(call, ret, remote_abort); in afs_deliver_to_call()
601 long afs_wait_for_call_to_complete(struct afs_call *call, in afs_wait_for_call_to_complete() argument
611 ret = call->error; in afs_wait_for_call_to_complete()
615 add_wait_queue(&call->waitq, &myself); in afs_wait_for_call_to_complete()
620 if (!afs_check_call_state(call, AFS_CALL_COMPLETE) && in afs_wait_for_call_to_complete()
621 call->need_attention) { in afs_wait_for_call_to_complete()
622 call->need_attention = false; in afs_wait_for_call_to_complete()
624 afs_deliver_to_call(call); in afs_wait_for_call_to_complete()
628 if (afs_check_call_state(call, AFS_CALL_COMPLETE)) in afs_wait_for_call_to_complete()
631 if (!rxrpc_kernel_check_life(call->net->socket, call->rxcall)) { in afs_wait_for_call_to_complete()
640 remove_wait_queue(&call->waitq, &myself); in afs_wait_for_call_to_complete()
643 if (!afs_check_call_state(call, AFS_CALL_COMPLETE)) { in afs_wait_for_call_to_complete()
645 afs_set_call_complete(call, call->error, call->abort_code); in afs_wait_for_call_to_complete()
649 if (rxrpc_kernel_abort_call(call->net->socket, call->rxcall, in afs_wait_for_call_to_complete()
651 afs_set_call_complete(call, -EINTR, 0); in afs_wait_for_call_to_complete()
655 spin_lock_bh(&call->state_lock); in afs_wait_for_call_to_complete()
656 ac->abort_code = call->abort_code; in afs_wait_for_call_to_complete()
657 ac->error = call->error; in afs_wait_for_call_to_complete()
658 spin_unlock_bh(&call->state_lock); in afs_wait_for_call_to_complete()
663 ret = call->ret0; in afs_wait_for_call_to_complete()
664 call->ret0 = 0; in afs_wait_for_call_to_complete()
674 afs_put_call(call); in afs_wait_for_call_to_complete()
685 struct afs_call *call = (struct afs_call *)call_user_ID; in afs_wake_up_call_waiter() local
687 call->need_attention = true; in afs_wake_up_call_waiter()
688 wake_up(&call->waitq); in afs_wake_up_call_waiter()
697 struct afs_call *call = (struct afs_call *)call_user_ID; in afs_wake_up_async_call() local
700 trace_afs_notify_call(rxcall, call); in afs_wake_up_async_call()
701 call->need_attention = true; in afs_wake_up_async_call()
703 u = atomic_fetch_add_unless(&call->usage, 1, 0); in afs_wake_up_async_call()
705 trace_afs_call(call, afs_call_trace_wake, u + 1, in afs_wake_up_async_call()
706 atomic_read(&call->net->nr_outstanding_calls), in afs_wake_up_async_call()
709 if (!queue_work(afs_async_calls, &call->async_work)) in afs_wake_up_async_call()
710 afs_put_call(call); in afs_wake_up_async_call()
720 struct afs_call *call = container_of(work, struct afs_call, async_work); in afs_process_async_call() local
724 if (call->state < AFS_CALL_COMPLETE && call->need_attention) { in afs_process_async_call()
725 call->need_attention = false; in afs_process_async_call()
726 afs_deliver_to_call(call); in afs_process_async_call()
729 afs_put_call(call); in afs_process_async_call()
735 struct afs_call *call = (struct afs_call *)user_call_ID; in afs_rx_attach() local
737 call->rxcall = rxcall; in afs_rx_attach()
747 struct afs_call *call = net->spare_incoming_call; in afs_charge_preallocation() local
750 if (!call) { in afs_charge_preallocation()
751 call = afs_alloc_call(net, &afs_RXCMxxxx, GFP_KERNEL); in afs_charge_preallocation()
752 if (!call) in afs_charge_preallocation()
755 call->drop_ref = true; in afs_charge_preallocation()
756 call->async = true; in afs_charge_preallocation()
757 call->state = AFS_CALL_SV_AWAIT_OP_ID; in afs_charge_preallocation()
758 init_waitqueue_head(&call->waitq); in afs_charge_preallocation()
759 afs_extract_to_tmp(call); in afs_charge_preallocation()
765 (unsigned long)call, in afs_charge_preallocation()
767 call->debug_id) < 0) in afs_charge_preallocation()
769 call = NULL; in afs_charge_preallocation()
771 net->spare_incoming_call = call; in afs_charge_preallocation()
780 struct afs_call *call = (struct afs_call *)user_call_ID; in afs_rx_discard_new_call() local
782 call->rxcall = NULL; in afs_rx_discard_new_call()
783 afs_put_call(call); in afs_rx_discard_new_call()
801 static int afs_deliver_cm_op_id(struct afs_call *call) in afs_deliver_cm_op_id() argument
805 _enter("{%zu}", iov_iter_count(call->_iter)); in afs_deliver_cm_op_id()
808 ret = afs_extract_data(call, true); in afs_deliver_cm_op_id()
812 call->operation_ID = ntohl(call->tmp); in afs_deliver_cm_op_id()
813 afs_set_call_state(call, AFS_CALL_SV_AWAIT_OP_ID, AFS_CALL_SV_AWAIT_REQUEST); in afs_deliver_cm_op_id()
817 if (!afs_cm_incoming_call(call)) in afs_deliver_cm_op_id()
820 trace_afs_cb_call(call); in afs_deliver_cm_op_id()
824 return call->type->deliver(call); in afs_deliver_cm_op_id()
835 struct afs_call *call = (struct afs_call *)call_user_ID; in afs_notify_end_reply_tx() local
837 afs_set_call_state(call, AFS_CALL_SV_REPLYING, AFS_CALL_SV_AWAIT_ACK); in afs_notify_end_reply_tx()
843 void afs_send_empty_reply(struct afs_call *call) in afs_send_empty_reply() argument
845 struct afs_net *net = call->net; in afs_send_empty_reply()
850 rxrpc_kernel_set_tx_length(net->socket, call->rxcall, 0); in afs_send_empty_reply()
859 switch (rxrpc_kernel_send_data(net->socket, call->rxcall, &msg, 0, in afs_send_empty_reply()
867 rxrpc_kernel_abort_call(net->socket, call->rxcall, in afs_send_empty_reply()
879 void afs_send_simple_reply(struct afs_call *call, const void *buf, size_t len) in afs_send_simple_reply() argument
881 struct afs_net *net = call->net; in afs_send_simple_reply()
888 rxrpc_kernel_set_tx_length(net->socket, call->rxcall, len); in afs_send_simple_reply()
899 n = rxrpc_kernel_send_data(net->socket, call->rxcall, &msg, len, in afs_send_simple_reply()
909 rxrpc_kernel_abort_call(net->socket, call->rxcall, in afs_send_simple_reply()
918 int afs_extract_data(struct afs_call *call, bool want_more) in afs_extract_data() argument
920 struct afs_net *net = call->net; in afs_extract_data()
921 struct iov_iter *iter = call->_iter; in afs_extract_data()
926 _enter("{%s,%zu},%d", call->type->name, iov_iter_count(iter), want_more); in afs_extract_data()
928 ret = rxrpc_kernel_recv_data(net->socket, call->rxcall, iter, in afs_extract_data()
930 &call->service_id); in afs_extract_data()
934 state = READ_ONCE(call->state); in afs_extract_data()
938 afs_set_call_state(call, state, AFS_CALL_CL_PROC_REPLY); in afs_extract_data()
941 afs_set_call_state(call, state, AFS_CALL_SV_REPLYING); in afs_extract_data()
944 kdebug("prem complete %d", call->error); in afs_extract_data()
945 return afs_io_error(call, afs_io_error_extract); in afs_extract_data()
952 afs_set_call_complete(call, ret, remote_abort); in afs_extract_data()
959 noinline int afs_protocol_error(struct afs_call *call, int error, in afs_protocol_error() argument
962 trace_afs_protocol_error(call, error, cause); in afs_protocol_error()
963 if (call) in afs_protocol_error()
964 call->unmarshalling_error = true; in afs_protocol_error()