From 1fbda15575d1e0192163c0b4da9513064c68112a Mon Sep 17 00:00:00 2001
From: WangRunji <wangrunji0408@163.com>
Date: Wed, 7 Nov 2018 13:10:23 +0800
Subject: [PATCH] remove open() & close() from INode

---
 src/sfs.rs | 7 -------
 src/vfs.rs | 2 --
 2 files changed, 9 deletions(-)

diff --git a/src/sfs.rs b/src/sfs.rs
index ed7c99e..41bdcf4 100644
--- a/src/sfs.rs
+++ b/src/sfs.rs
@@ -248,13 +248,6 @@ impl INodeImpl {
 }
 
 impl vfs::INode for INodeImpl {
-    fn open(&self, _flags: u32) -> vfs::Result<()> {
-        // Do nothing
-        Ok(())
-    }
-    fn close(&self) -> vfs::Result<()> {
-        self.sync()
-    }
     fn read_at(&self, offset: usize, buf: &mut [u8]) -> vfs::Result<usize> {
         assert_eq!(self.disk_inode.read().type_, FileType::File, "read_at is only available on file");
         self._read_at(offset, buf)
diff --git a/src/vfs.rs b/src/vfs.rs
index 8dbd6f2..d7965a5 100644
--- a/src/vfs.rs
+++ b/src/vfs.rs
@@ -11,8 +11,6 @@ pub trait Device: Send {
 
 /// Abstract operations on a inode.
 pub trait INode: Debug + Any + Sync + Send {
-    fn open(&self, flags: u32) -> Result<()>;
-    fn close(&self) -> Result<()>;
     fn read_at(&self, offset: usize, buf: &mut [u8]) -> Result<usize>;
     fn write_at(&self, offset: usize, buf: &[u8]) -> Result<usize>;
     fn info(&self) -> Result<FileInfo>;