From fd9af2739e4f2f62e142d5454298067017dd10ea Mon Sep 17 00:00:00 2001
From: Rutvik Patel <heyrutvik@gmail.com>
Date: Sat, 6 Jul 2024 13:48:58 +0530
Subject: [PATCH] wait for the read completion

The submit_and_wait command waits for `n` completion events.
We were providing an incorrect argument, which caused the issue.
---
 core/io/linux.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/core/io/linux.rs b/core/io/linux.rs
index 4d0dcc29b..7251cb754 100644
--- a/core/io/linux.rs
+++ b/core/io/linux.rs
@@ -31,7 +31,7 @@ impl IO for LinuxIO {
     fn run_once(&self) -> Result<()> {
         trace!("run_once()");
         let mut ring = self.ring.borrow_mut();
-        ring.submit_and_wait(0)?;
+        ring.submit_and_wait(1)?;
         loop {
             match ring.completion().next() {
                 Some(cqe) => {