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fix: Arc can be an Rc #1769

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fix: Arc can be an Rc #1769

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9 changes: 5 additions & 4 deletions storage-proofs-porep/src/stacked/vanilla/create_label/multi.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -2,9 +2,10 @@ use std::convert::TryInto;
use std::marker::PhantomData;
use std::mem::{self, size_of};
use std::path::Path;
use std::rc::Rc;
use std::sync::{
atomic::{AtomicU64, Ordering::SeqCst},
Arc, MutexGuard,
MutexGuard,
};
use std::thread;
use std::time::Duration;
Expand Down Expand Up @@ -208,7 +209,7 @@ fn create_layer_labels(
exp_labels: Option<&mut MmapMut>,
num_nodes: u64,
cur_layer: u32,
core_group: Arc<Option<MutexGuard<'_, Vec<CoreIndex>>>>,
core_group: Rc<Option<MutexGuard<'_, Vec<CoreIndex>>>>,
) {
info!("Creating labels for layer {}", cur_layer);
// num_producers is the number of producer threads
Expand Down Expand Up @@ -458,7 +459,7 @@ pub fn create_labels_for_encoding<

let default_cache_size = DEGREE * 4 * cache_window_nodes;

let core_group = Arc::new(checkout_core_group());
let core_group = Rc::new(checkout_core_group());

// When `_cleanup_handle` is dropped, the previous binding of thread will be restored.
let _cleanup_handle = (*core_group).as_ref().map(|group| {
Expand Down Expand Up @@ -556,7 +557,7 @@ pub fn create_labels_for_decoding<Tree: 'static + MerkleTreeTrait, T: AsRef<[u8]

let default_cache_size = DEGREE * 4 * cache_window_nodes;

let core_group = Arc::new(checkout_core_group());
let core_group = Rc::new(checkout_core_group());

// When `_cleanup_handle` is dropped, the previous binding of thread will be restored.
let _cleanup_handle = (*core_group).as_ref().map(|group| {
Expand Down
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