# HG changeset patch
# User Paul Boddie <paul@boddie.org.uk>
# Date 1706051563 -3600
# Node ID 39dc43aadc92236e65f711d0df1f6958bd425075
# Parent  4c5fc873da6e164f062766217f2066461c025eca
Do not update the populated size when flushing a reader pipe.

diff -r 4c5fc873da6e -r 39dc43aadc92 libfsserver/lib/pipes/pipe_pager.cc
--- a/libfsserver/lib/pipes/pipe_pager.cc	Sun Jan 21 18:50:34 2024 +0100
+++ b/libfsserver/lib/pipes/pipe_pager.cc	Wed Jan 24 00:12:43 2024 +0100
@@ -1,7 +1,7 @@
 /*
  * A pipe pager providing access to pipe content and navigation support.
  *
- * Copyright (C) 2021, 2022, 2023 Paul Boddie <paul@boddie.org.uk>
+ * Copyright (C) 2021, 2022, 2023, 2024 Paul Boddie <paul@boddie.org.uk>
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License as
@@ -161,7 +161,7 @@
 
 long PipePager::flush(offset_t populated_size, offset_t *size)
 {
-    if (_mapper != NULL)
+    if (_writing && (_mapper != NULL))
         _mapper->set_data_size(populated_size);
 
     *size = _size;