AcctIdx: condense upsert to always use read lock (#20148)

This commit is contained in:
Jeff Washington (jwash)
2021-09-23 19:19:27 -05:00
committed by GitHub
parent 5402a77c63
commit b3bb079d9f
2 changed files with 4 additions and 52 deletions

View File

@@ -1651,22 +1651,9 @@ impl<T: IndexValue> AccountsIndex<T> {
let new_item = PreAllocatedAccountMapEntry::new(slot, account_info, &self.storage.storage);
let map = &self.account_maps[self.bin_calculator.bin_from_pubkey(pubkey)];
let r_account_maps = map.read().unwrap();
let (updated, new_item) = r_account_maps.update_key_if_exists(
pubkey,
new_item,
reclaims,
previous_slot_entry_was_cached,
);
if !updated {
drop(r_account_maps);
let w_account_maps = map.write().unwrap();
w_account_maps.upsert(
pubkey,
new_item.unwrap(),
reclaims,
previous_slot_entry_was_cached,
);
{
let r_account_maps = map.read().unwrap();
r_account_maps.upsert(pubkey, new_item, reclaims, previous_slot_entry_was_cached);
}
self.update_secondary_indexes(pubkey, account_owner, account_data, account_indexes);
}
@@ -2999,20 +2986,6 @@ pub mod tests {
let new_entry =
PreAllocatedAccountMapEntry::new(slot, account_info, &index.storage.storage);
assert_eq!(0, account_maps_len_expensive(&index));
// will fail because key doesn't exist
let r_account_maps = index.get_account_maps_read_lock(&key.pubkey());
assert!(
!r_account_maps
.update_key_if_exists(
&key.pubkey(),
new_entry.clone(),
&mut SlotList::default(),
UPSERT_PREVIOUS_SLOT_ENTRY_WAS_CACHED_FALSE,
)
.0
);
drop(r_account_maps);
assert_eq!((slot, account_info), new_entry.clone().into());
assert_eq!(0, account_maps_len_expensive(&index));