From 191d9d2b74858b747874d4f7aea610358205d64d Mon Sep 17 00:00:00 2001
From: Patrick Insinger <patrickinsinger@gmail.com>
Date: Thu, 11 Nov 2021 13:16:34 -0800
Subject: [PATCH] par_fsync - use VirtualFile

---
 pageserver/src/layered_repository/par_fsync.rs | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/pageserver/src/layered_repository/par_fsync.rs b/pageserver/src/layered_repository/par_fsync.rs
index c2500d2c85..0b0217ab58 100644
--- a/pageserver/src/layered_repository/par_fsync.rs
+++ b/pageserver/src/layered_repository/par_fsync.rs
@@ -1,12 +1,13 @@
 use std::{
-    fs::File,
     io,
     path::{Path, PathBuf},
     sync::atomic::{AtomicUsize, Ordering},
 };
 
+use crate::virtual_file::VirtualFile;
+
 fn fsync_path(path: &Path) -> io::Result<()> {
-    let file = File::open(path)?;
+    let file = VirtualFile::open(path)?;
     file.sync_all()
 }
 
@@ -31,7 +32,6 @@ pub fn par_fsync(paths: &[PathBuf]) -> io::Result<()> {
     /// Increasing this limit will
     /// - use more memory
     /// - increase the cost of spawn/join latency
-    /// - increase the peak # of file descriptors
     const MAX_NUM_THREADS: usize = 64;
     let num_threads = paths.len().min(MAX_NUM_THREADS);
     let next_path_idx = AtomicUsize::new(0);