From 64d399fe664927f14853c22943a4bdeb34095f99 Mon Sep 17 00:00:00 2001
From: Jiajie Chen <noc@jiegec.ac.cn>
Date: Wed, 17 Apr 2019 08:13:43 +0800
Subject: [PATCH] Use usize for io_control data

---
 rcore-fs-sefs/src/lib.rs | 2 +-
 rcore-fs-sfs/src/lib.rs  | 2 +-
 rcore-fs/src/vfs.rs      | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/rcore-fs-sefs/src/lib.rs b/rcore-fs-sefs/src/lib.rs
index 4f03118..604d7d2 100644
--- a/rcore-fs-sefs/src/lib.rs
+++ b/rcore-fs-sefs/src/lib.rs
@@ -411,7 +411,7 @@ impl vfs::INode for INodeImpl {
         let entry = self.file.read_direntry(id)?;
         Ok(String::from(entry.name.as_ref()))
     }
-    fn io_control(&self, _cmd: u32, _data: u32) -> vfs::Result<()> {
+    fn io_control(&self, _cmd: u32, _data: usize) -> vfs::Result<()> {
         Err(FsError::NotSupported)
     }
     fn fs(&self) -> Arc<vfs::FileSystem> {
diff --git a/rcore-fs-sfs/src/lib.rs b/rcore-fs-sfs/src/lib.rs
index 3c6f3c5..ea7135c 100644
--- a/rcore-fs-sfs/src/lib.rs
+++ b/rcore-fs-sfs/src/lib.rs
@@ -642,7 +642,7 @@ impl vfs::INode for INodeImpl {
             .unwrap();
         Ok(String::from(entry.name.as_ref()))
     }
-    fn io_control(&self, _cmd: u32, _data: u32) -> vfs::Result<()> {
+    fn io_control(&self, _cmd: u32, _data: usize) -> vfs::Result<()> {
         Err(FsError::NotSupported)
     }
     fn fs(&self) -> Arc<vfs::FileSystem> {
diff --git a/rcore-fs/src/vfs.rs b/rcore-fs/src/vfs.rs
index 97dbad9..9f4b4cd 100644
--- a/rcore-fs/src/vfs.rs
+++ b/rcore-fs/src/vfs.rs
@@ -50,7 +50,7 @@ pub trait INode: Any + Sync + Send {
     fn get_entry(&self, id: usize) -> Result<String>;
 
     /// Control device
-    fn io_control(&self, cmd: u32, data: u32) -> Result<()>;
+    fn io_control(&self, cmd: u32, data: usize) -> Result<()>;
 
     /// Get the file system of the INode
     fn fs(&self) -> Arc<FileSystem>;