From a13b0cc86b1bff635730a237b86bf50e52118574 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Arpad=20M=C3=BCller?= <arpad@neon.tech>
Date: Fri, 1 Sep 2023 08:13:47 +0200
Subject: [PATCH] Make read_at async fn

---
 pageserver/src/virtual_file.rs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/pageserver/src/virtual_file.rs b/pageserver/src/virtual_file.rs
index e519b47bd0..56107634f3 100644
--- a/pageserver/src/virtual_file.rs
+++ b/pageserver/src/virtual_file.rs
@@ -350,7 +350,7 @@ impl VirtualFile {
     // Copied from https://doc.rust-lang.org/1.72.0/src/std/os/unix/fs.rs.html#117-135
     pub async fn read_exact_at(&self, mut buf: &mut [u8], mut offset: u64) -> Result<(), Error> {
         while !buf.is_empty() {
-            match self.read_at(buf, offset) {
+            match self.read_at(buf, offset).await {
                 Ok(0) => {
                     return Err(Error::new(
                         std::io::ErrorKind::UnexpectedEof,
@@ -403,7 +403,7 @@ impl VirtualFile {
         Ok(())
     }
 
-    pub fn read_at(&self, buf: &mut [u8], offset: u64) -> Result<usize, Error> {
+    async fn read_at(&self, buf: &mut [u8], offset: u64) -> Result<usize, Error> {
         let result = self.with_file("read", |file| file.read_at(buf, offset))?;
         if let Ok(size) = result {
             STORAGE_IO_SIZE