kernel: fix build warnings

Signed-off-by: Andy-Python-Programmer <[email protected]>

Author: Andy-Python-Programmer

src/aero_kernel/src/fs/block/mod.rs

@@ -260,18 +260,14 @@ impl Device for BlockDevice {
 }
 
 struct PartitionBlockDevice {
-    sref: Weak<Self>,
-
     offset: usize, // offset in sectors
     size: usize,   // capacity in sectors
     device: Arc<dyn BlockDeviceInterface>,
 }
 
 impl PartitionBlockDevice {
     fn new(offset: usize, size: usize, device: Arc<dyn BlockDeviceInterface>) -> Arc<Self> {
-        Arc::new_cyclic(|sref| Self {
-            sref: sref.clone(),
-
+        Arc::new(Self {
             offset,
             size,
             device,

src/aero_kernel/src/modules.rs

@@ -31,7 +31,7 @@
 //! aero_kernel::module_exit!(hello_exit);
 //! ```
 
-use crate::{drivers, fs, utils::linker::LinkerSymbol};
+use crate::{drivers, fs};
 
 /// Inner helper function to make sure the function provided to the [module_init] macro
 /// has a valid function signature. This function returns the passed module init function as

src/aero_kernel/src/syscall/fs.rs

@@ -21,7 +21,6 @@ use aero_syscall::signal::SigProcMask;
 use aero_syscall::{prelude::*, TimeSpec};
 use aero_syscall::{OpenFlags, Stat, SyscallError};
 
-use crate::fs::cache::DirCacheImpl;
 use crate::fs::epoll::EPoll;
 use crate::fs::eventfd::EventFd;
 use crate::fs::file_table::DuplicateHint;

src/aero_kernel/src/utils/linker.rs

@@ -32,7 +32,6 @@ fn get_cpu_count() -> usize {
 
 pub mod bitmap;
 pub mod buffer;
-pub mod linker;
 pub mod sync;
 
 pub fn validate_mut_ptr<T>(ptr: *mut T) -> Option<&'static mut T> {