1 files changed, 7 insertions, 3 deletions

diff --git a/ayafs-core/src/block_device/disk.rs b/ayafs-core/src/block_device/disk.rs
index d2beee9..9e9b6bc 100644
--- a/ayafs-core/src/block_device/disk.rs
+++ b/ayafs-core/src/block_device/disk.rs
@@ -2,22 +2,22 @@ use crate::block_device::{BlockDevice, BLOCK_SIZE};
 use std::cell::RefCell;
 use std::fs::File;
 use std::io::{Read, Seek, SeekFrom, Write};
-use std::path::{Path, PathBuf};
+use std::path::PathBuf;
+use log::debug;
 
 pub struct Disk {
+    #[allow(unused)]
     disk_path: PathBuf,
     device: RefCell<File>,
 }
 
 impl Disk {
     pub fn new(disk_path: PathBuf) -> Self {
-
         let device = File::options()
             .read(true)
             .write(true)
             .open(disk_path.as_path())
             .unwrap();
-        // let device = File::open(disk_path.as_path()).unwrap();
         Self {
             disk_path,
             device: RefCell::new(device),
@@ -27,6 +27,7 @@ impl Disk {
 
 impl BlockDevice for Disk {
     fn read(&self, block_id: usize, buffer: &mut [u8]) {
+        assert_eq!(buffer.len(), BLOCK_SIZE);
         let mut device = self.device.borrow_mut();
         device
             .seek(SeekFrom::Start((block_id * BLOCK_SIZE) as u64))
@@ -34,9 +35,11 @@ impl BlockDevice for Disk {
         device
             .read_exact(buffer)
             .expect("Failed to read 4096 bytes!");
+        debug!("disk::read block {}", block_id);
     }
 
     fn write(&self, block_id: usize, buffer: &[u8]) {
+        assert_eq!(buffer.len(), BLOCK_SIZE);
         let mut device = self.device.borrow_mut();
         device
             .seek(SeekFrom::Start((block_id * BLOCK_SIZE) as u64))
@@ -44,5 +47,6 @@ impl BlockDevice for Disk {
         device
             .write_all(buffer)
             .expect("Unable to write 4096 bytes!");
+        debug!("disk::write block {}", block_id);
     }
 }