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fix: correct misleading zero-copy/direct-io docs and internal naming (#733 Phase 1) (#3976)

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This commit is contained in:
Zhengchao An
2026-06-28 09:12:49 +08:00
committed by GitHub
parent 3c6dc2a633
commit 7238a937a9
6 changed files with 48 additions and 47 deletions
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crates/ecstore/src/io_support/bitrot.rs
+9 -9
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@@ -36,7 +36,7 @@ struct BitrotReaderSource {
path: String,
offset: usize,
length: usize,
use_zero_copy: bool,
use_mmap_read: bool,
}
impl BitrotReaderSource {
@@ -47,7 +47,7 @@ impl BitrotReaderSource {
rd.set_position(offset);
Ok(Some(Box::new(rd)))
} else if let Some(disk) = self.disk {
open_disk_reader(&disk, &self.bucket, &self.path, self.offset, self.length, self.use_zero_copy)
open_disk_reader(&disk, &self.bucket, &self.path, self.offset, self.length, self.use_mmap_read)
.await
.map(Some)
} else {
@@ -136,9 +136,9 @@ async fn open_disk_reader(
path: &str,
offset: usize,
length: usize,
use_zero_copy: bool,
use_mmap_read: bool,
) -> disk::error::Result<FileReader> {
if use_zero_copy && disk.is_local() {
if use_mmap_read && disk.is_local() {
let start = Instant::now();
match disk.read_file_zero_copy(bucket, path, offset, length).await {
Ok(bytes) => {
@@ -192,7 +192,7 @@ fn bitrot_encoded_range(offset: usize, length: usize, shard_size: usize, checksu
/// * `shard_size` - Shard size for erasure coding
/// * `checksum_algo` - Hash algorithm for bitrot verification
/// * `skip_verify` - If true, skip checksum verification
/// * `use_zero_copy` - If true, use zero-copy read (mmap on Unix)
/// * `use_mmap_read` - If true, use zero-copy read (mmap on Unix)
#[allow(clippy::too_many_arguments)]
pub async fn create_bitrot_reader(
inline_data: Option<&[u8]>,
@@ -204,7 +204,7 @@ pub async fn create_bitrot_reader(
shard_size: usize,
checksum_algo: HashAlgorithm,
skip_verify: bool,
use_zero_copy: bool,
use_mmap_read: bool,
) -> disk::error::Result<Option<BitrotReader<Box<dyn AsyncRead + Send + Sync + Unpin>>>> {
let (offset, length) = bitrot_encoded_range(offset, length, shard_size, checksum_algo.clone());
let source = BitrotReaderSource {
@@ -214,7 +214,7 @@ pub async fn create_bitrot_reader(
path: path.to_string(),
offset,
length,
use_zero_copy,
use_mmap_read,
};
source
@@ -234,7 +234,7 @@ pub fn create_deferred_bitrot_reader(
shard_size: usize,
checksum_algo: HashAlgorithm,
skip_verify: bool,
use_zero_copy: bool,
use_mmap_read: bool,
) -> BitrotReader<Box<dyn AsyncRead + Send + Sync + Unpin>> {
let (offset, length) = bitrot_encoded_range(offset, length, shard_size, checksum_algo.clone());
let source = BitrotReaderSource {
@@ -244,7 +244,7 @@ pub fn create_deferred_bitrot_reader(
path: path.to_string(),
offset,
length,
use_zero_copy,
use_mmap_read,
};
BitrotReader::new(Box::new(DeferredObjectReader::new(source)), shard_size, checksum_algo, skip_verify)