From: Valentine Wallace <vwallace@protonmail.com>
Date: Wed, 17 Feb 2021 20:21:22 +0000 (-0500)
Subject: try FlushFileBuffers
X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=commitdiff_plain;h=812a5a3c537cf411d50381a6284549595b884664;p=rust-lightning

try FlushFileBuffers
---

diff --git a/lightning-persister/Cargo.toml b/lightning-persister/Cargo.toml
index a6c464554..f9eb6c565 100644
--- a/lightning-persister/Cargo.toml
+++ b/lightning-persister/Cargo.toml
@@ -17,7 +17,7 @@ version = "0.24"
 features = ["bitcoinconsensus"]
 
 [target.'cfg(windows)'.dependencies]
-winapi = { version = "0.3", features = ["winbase"] }
+winapi = { version = "0.3", features = ["winbase", "fileapi"] }
 
 [dev-dependencies]
 lightning = { version = "0.0.12", path = "../lightning", features = ["_test_utils"] }
diff --git a/lightning-persister/src/util.rs b/lightning-persister/src/util.rs
index 132c20687..1cff6dca8 100644
--- a/lightning-persister/src/util.rs
+++ b/lightning-persister/src/util.rs
@@ -1,6 +1,8 @@
 
 #[cfg(target_os = "windows")]
 extern crate winapi;
+#[cfg(target_os = "windows")]
+use std::os::windows::io::IntoRawHandle;
 
 use std::fs;
 use std::path::{Path, PathBuf};
@@ -113,7 +115,9 @@ pub(crate) fn write_to_file<D: DiskWriteable>(path: String, filename: String, da
 			)});
 		}
 		let mut final_file = fs::File::open(filename_with_path.clone())?;
-		final_file.sync_all()?;
+		let file_handle = final_file.into_raw_handle();
+		unsafe{winapi::um::fileapi::FlushFileBuffers(file_handle);}
+		// final_file.sync_all()?;
 		println!("VMW: renamed");
 	}
 	Ok(())