| 53,14 → 53,7 |
|---|
| * open files supports parallel access! |
| */ |
| |
| /* |
| * Because we don't support the receive analogy of IPC_M_DATA_SEND, |
| * VFS_READ is emulutating its behavior via sharing an address space |
| * area. |
| */ |
| |
| int fd = IPC_GET_ARG1(*request); |
| size_t size = IPC_GET_ARG2(*request); |
| |
| /* |
| * Lookup the file structure corresponding to the file descriptor. |
| 72,12 → 65,10 |
|---|
| } |
| |
| /* |
| * Now we need to receive a call with client's address space area. |
| * Now we need to receive a call with client's IPC_M_DATA_READ request. |
| */ |
| ipc_callid_t callid; |
| ipc_call_t call; |
| callid = async_get_call(&call); |
| if (IPC_GET_METHOD(call) != IPC_M_AS_AREA_SEND) { |
| if (!ipc_data_read_receive(&callid, NULL)) { |
| ipc_answer_0(callid, EINVAL); |
| ipc_answer_0(rid, EINVAL); |
| return; |
| 90,15 → 81,15 |
|---|
| */ |
| aid_t msg; |
| ipc_call_t answer; |
| msg = async_send_4(fs_phone, VFS_READ, file->node->dev_handle, |
| file->node->index, file->pos, size, &answer); |
| msg = async_send_3(fs_phone, VFS_READ, file->node->dev_handle, |
| file->node->index, file->pos, &answer); |
| |
| /* |
| * Forward the address space area offer to the destination FS server. |
| * The call will be routed as if sent by ourselves. |
| * Forward the IPC_M_DATA_READ request to the destination FS server. |
| * The call will be routed as if sent by ourselves. Note that call |
| * arguments are immutable in this case so we don't have to bother. |
| */ |
| ipc_forward_fast(callid, fs_phone, IPC_GET_METHOD(call), |
| IPC_GET_ARG1(call), 0, IPC_FF_ROUTE_FROM_ME); |
| ipc_forward_fast(callid, fs_phone, 0, 0, 0, IPC_FF_ROUTE_FROM_ME); |
| |
| vfs_release_phone(fs_phone); |
| |