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     * connection later.
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     * connection later.
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     */
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     */
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    while (keep_on_going) {
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    while (keep_on_going) {
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        ipc_callid_t callid;
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        ipc_callid_t callid;
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        ipc_call_t call;
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        ipc_call_t call;
- 
 
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        int phone;
- 
 
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        fs_handle_t fs_handle;
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        callid = async_get_call(&call);
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        callid = async_get_call(&call);
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        switch (IPC_GET_METHOD(call)) {
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        switch (IPC_GET_METHOD(call)) {
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        case IPC_M_PHONE_HUNGUP:
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        case IPC_M_PHONE_HUNGUP:
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            keep_on_going = false;
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            keep_on_going = false;
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            break;
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            break;
- 
 
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        case IPC_M_CONNECT_ME_TO:
- 
 
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            /*
- 
 
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             * Connect the client file system to another one.
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             */
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            /* FIXME:
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             * Prevent ordinary clients from connecting to file
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             * system servers directly. This should be solved by
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             * applying some security mechanisms.
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             */
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            fs_handle = IPC_GET_ARG1(call);
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            phone = vfs_grab_phone(fs_handle);
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            (void) ipc_forward_fast(callid, phone, 0, 0, 0,
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                IPC_FF_NONE);
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            vfs_release_phone(phone);
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            break;
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        case VFS_REGISTER:
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        case VFS_REGISTER:
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            vfs_register(callid, &call);
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            vfs_register(callid, &call);
- 
 
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            /*
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            keep_on_going = false;
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             * Keep the connection open so that a file system can
- 
 
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             * later ask us to connect it to another file system.
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             * This is necessary to support non-root mounts.
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             */
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            break;
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            break;
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        case VFS_MOUNT:
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        case VFS_MOUNT:
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            vfs_mount(callid, &call);
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            vfs_mount(callid, &call);
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            break;
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            break;
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        case VFS_OPEN:
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        case VFS_OPEN: