From 300403e3eb902ab09492b8ad5d8691297419c410 Mon Sep 17 00:00:00 2001
From: Cautreoxit <huk@stu.pku.edu.cn>
Date: Mon, 28 Oct 2024 22:02:22 +0800
Subject: [PATCH] Implement sync for ext2 and exfat

---
 kernel/src/fs/exfat/inode.rs             | 4 ++++
 kernel/src/fs/ext2/impl_for_vfs/inode.rs | 8 ++++++--
 2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/kernel/src/fs/exfat/inode.rs b/kernel/src/fs/exfat/inode.rs
index 612259ef8..1e6604189 100644
--- a/kernel/src/fs/exfat/inode.rs
+++ b/kernel/src/fs/exfat/inode.rs
@@ -1683,6 +1683,8 @@ impl Inode for ExfatInode {
         let fs_guard = fs.lock();
         inner.sync_all(&fs_guard)?;
 
+        fs.block_device().sync()?;
+
         Ok(())
     }
 
@@ -1692,6 +1694,8 @@ impl Inode for ExfatInode {
         let fs_guard = fs.lock();
         inner.sync_data(&fs_guard)?;
 
+        fs.block_device().sync()?;
+
         Ok(())
     }
 
diff --git a/kernel/src/fs/ext2/impl_for_vfs/inode.rs b/kernel/src/fs/ext2/impl_for_vfs/inode.rs
index 9a92fbe9c..95e3db8bb 100644
--- a/kernel/src/fs/ext2/impl_for_vfs/inode.rs
+++ b/kernel/src/fs/ext2/impl_for_vfs/inode.rs
@@ -191,11 +191,15 @@ impl Inode for Ext2Inode {
     }
 
     fn sync_all(&self) -> Result<()> {
-        self.sync_all()
+        self.sync_all()?;
+        self.fs().block_device().sync()?;
+        Ok(())
     }
 
     fn sync_data(&self) -> Result<()> {
-        self.sync_data()
+        self.sync_data()?;
+        self.fs().block_device().sync()?;
+        Ok(())
     }
 
     fn fs(&self) -> Arc<dyn FileSystem> {