fix: enforce Send/Sync bounds and correct OnceCell instantiation for async queue

Author: abhiprd2000

src/provenance.rs

@@ -1,6 +1,6 @@
 use crate::println;
 use core::sync::atomic::Ordering;
-use crate::vfs::{STATE_VERIFIED, STATE_CORRUPTED, CachedVfsBlock};
+use crate::vfs::{STATE_VERIFIED, STATE_CORRUPTED};
 use crate::task::CryptoVerificationJob;
 
 #[derive(Debug, Clone)]

src/task/mod.rs

@@ -31,7 +31,16 @@ pub struct CryptoVerificationJob {
 }
 
 // Global thread-safe async queue for block validation
-pub static VERIFICATION_QUEUE: OnceCell<ArrayQueue<CryptoVerificationJob>> = OnceCell::new();
+#[derive(Clone, Copy)]
+pub struct CryptoVerificationJob {
+    pub block_ptr: *mut CachedVfsBlock,
+    pub expected_hash: [u8; 32], 
+}
+
+unsafe impl Send for CryptoVerificationJob {}
+unsafe impl Sync for CryptoVerificationJob {}
+
+pub static VERIFICATION_QUEUE: OnceCell<ArrayQueue<CryptoVerificationJob>> = OnceCell::uninit();
 
 pub fn init_queue() {
     VERIFICATION_QUEUE.init_once(|| ArrayQueue::new(32));

src/vfs.rs

@@ -96,7 +96,6 @@ pub const STATE_PENDING: u8 = 0;
 pub const STATE_VERIFIED: u8 = 1;
 pub const STATE_CORRUPTED: u8 = 2;
 
-#[derive(Clone)]
 pub struct CachedVfsBlock {
     pub block_id: u64,
     pub data: [u8; 4096],