From 7af0771f9a3031acc36a6990d07bdb92a61c0c75 Mon Sep 17 00:00:00 2001
From: Chuyan Zhang <me@zcy.moe>
Date: Wed, 29 Nov 2023 03:29:34 -0800
Subject: symlink, probably not working

---
 src/memory/cached_block.rs | 13 ++++---------
 1 file changed, 4 insertions(+), 9 deletions(-)

(limited to 'src/memory/cached_block.rs')

diff --git a/src/memory/cached_block.rs b/src/memory/cached_block.rs
index 002a75b..c3d0338 100644
--- a/src/memory/cached_block.rs
+++ b/src/memory/cached_block.rs
@@ -1,9 +1,6 @@
 use crate::block_device::{BlockDevice, BLOCK_SIZE};
 use crate::disk::block::Block;
-use crate::disk::inode::Inode;
 use crate::AyaFS;
-use and_then_some::BoolExt;
-use log::debug;
 use lru::LruCache;
 use std::num::NonZeroUsize;
 use std::sync::Arc;
@@ -15,12 +12,6 @@ pub struct CachedBlock<T: Block> {
     pub dirty: bool,
 }
 
-impl<T: Block> CachedBlock<T> {
-    fn cast<U: Block>(&self) -> CachedBlock<U> {
-        unsafe { std::mem::transmute_copy(&self) }
-    }
-}
-
 pub fn convert_mut<U: Block, T: Block>(input_block: &mut CachedBlock<U>) -> &mut CachedBlock<T> {
     let ptr = input_block as *const CachedBlock<U> as *mut u8;
     let block = ptr.cast::<CachedBlock<T>>();
@@ -108,11 +99,13 @@ impl<T: Block> BlockCache<T> {
         }
     }
 
+    #[allow(unused)]
     /// 从 LRU cache 中读取一个 block 的引用, *不会* 影响 LRU cache 的结构, 如果没有在 cache 中不会加载.
     pub(crate) fn peek_block<U: Block>(&self, index: usize) -> Option<&CachedBlock<U>> {
         self.cache.peek(&index).map(convert::<T, U>)
     }
 
+    #[allow(unused)]
     /// 从 LRU cache 中读取一个 block 的可变引用, *不会* 影响 LRU cache 的结构, 如果没有在 cache 中不会加载.
     pub(crate) fn peek_block_mut<U: Block>(&mut self, index: usize) -> Option<&mut CachedBlock<U>> {
         self.cache.peek_mut(&index).map(convert_mut::<T, U>)
@@ -165,6 +158,7 @@ impl AyaFS {
         // 返回 None 当且仅当 data_bitmap 中这个 block 为 invalid
     }
 
+    #[allow(unused)]
     pub(crate) fn peek_block<T: Block>(&self, index: usize) -> Option<&CachedBlock<T>> {
         self.data_bitmap
             .query(index)
@@ -172,6 +166,7 @@ impl AyaFS {
         // 返回 None 当且仅当 data_bitmap 中这个 block 为 invalid
     }
 
+    #[allow(unused)]
     pub(crate) fn peek_block_mut<T: Block>(&mut self, index: usize) -> Option<&mut CachedBlock<T>> {
         self.data_bitmap
             .query(index)
-- 
cgit v1.2.3-70-g09d2