From 01603c1f62ca67d1a7251e26da5704fc4a7ef838 Mon Sep 17 00:00:00 2001
From: Chocobo1 <Chocobo1@users.noreply.github.com>
Date: Thu, 10 Sep 2020 21:40:40 +0800
Subject: [PATCH] Enable faster disk space allocation by default

In libtorrent > 2.0, the setting is turned off by default, now we just
re-enable it to preserve the behavior as in earlier versions.
---
 src/base/bittorrent/session.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/base/bittorrent/session.cpp b/src/base/bittorrent/session.cpp
index d631fc20a..30eae4106 100644
--- a/src/base/bittorrent/session.cpp
+++ b/src/base/bittorrent/session.cpp
@@ -1042,6 +1042,11 @@ void Session::initializeNativeSession()
     pack.set_bool(lt::settings_pack::upnp_ignore_nonrouters, true);
 #endif
 
+#if (LIBTORRENT_VERSION_NUM > 20000)
+    // preserve the same behavior as in earlier libtorrent versions
+    pack.set_bool(lt::settings_pack::enable_set_file_valid_data, true);
+#endif
+
     loadLTSettings(pack);
     m_nativeSession = new lt::session {pack, lt::session_flags_t {0}};