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Fix race condition

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This commit is contained in:
Alex Auvolat
2021-03-15 15:26:29 +01:00
parent bdcbdd1cd8
commit 097c339d98
5 changed files with 79 additions and 58 deletions
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src/model/block.rs
+7 -3
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@@ -28,6 +28,7 @@ use crate::garage::Garage;
pub const INLINE_THRESHOLD: usize = 3072;
const BLOCK_RW_TIMEOUT: Duration = Duration::from_secs(42);
const BLOCK_GC_TIMEOUT: Duration = Duration::from_secs(60);
const NEED_BLOCK_QUERY_TIMEOUT: Duration = Duration::from_secs(5);
const RESYNC_RETRY_TIMEOUT: Duration = Duration::from_secs(10);
@@ -175,7 +176,10 @@ impl BlockManager {
if data::blake2sum(&data[..]) != *hash {
let _lock = self.data_dir_lock.lock().await;
warn!("Block {:?} is corrupted. Renaming to .corrupted and resyncing.", hash);
warn!(
"Block {:?} is corrupted. Renaming to .corrupted and resyncing.",
hash
);
let mut path2 = path.clone();
path2.set_extension(".corrupted");
fs::rename(path, path2).await?;
@@ -225,7 +229,7 @@ impl BlockManager {
pub fn block_decref(&self, hash: &Hash) -> Result<(), Error> {
let new_rc = self.rc.merge(&hash, vec![0])?;
if new_rc.map(|x| u64_from_bytes(&x[..]) == 0).unwrap_or(true) {
self.put_to_resync(&hash, Duration::from_secs(0))?;
self.put_to_resync(&hash, BLOCK_GC_TIMEOUT)?;
}
Ok(())
}
@@ -470,7 +474,7 @@ impl BlockManager {
};
let mut hash = [0u8; 32];
hash.copy_from_slice(&hash_bytes[..]);
self.put_to_resync(&hash.into(),Duration::from_secs(0))?;
self.put_to_resync(&hash.into(), Duration::from_secs(0))?;
}
if *must_exit.borrow() {