From ee0d0b31a1cea4c905100cef501a3bc522ded00d Mon Sep 17 00:00:00 2001
From: Jiajie Chen <noc@jiegec.ac.cn>
Date: Fri, 24 May 2019 20:46:27 +0800
Subject: [PATCH] Add FsError::Again

---
 rcore-fs/src/vfs.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/rcore-fs/src/vfs.rs b/rcore-fs/src/vfs.rs
index 62c5ef5..78c7d38 100644
--- a/rcore-fs/src/vfs.rs
+++ b/rcore-fs/src/vfs.rs
@@ -256,6 +256,7 @@ pub enum FsError {
     DeviceError,
     IOCTLError,
     NoDevice,
+    Again, // E_AGAIN, when no data is available, never happens in fs
 }
 
 impl fmt::Display for FsError {