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add comments (#23275)

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This commit is contained in:
Jeff Washington (jwash)
2022-02-23 10:53:11 -06:00
committed by GitHub
parent 05f04a22b7
commit 2996f1f783
1 changed files with 8 additions and 7 deletions
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15
runtime/src/in_mem_accounts_index.rs
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@ -434,9 +434,9 @@ impl<T: IndexValue> InMemAccountsIndex<T> {
Self::update_stat(count, 1); Self::update_stat(count, 1);
} }
// Try to update an item in the slot list the given `slot` If an item for the slot /// Try to update an item in the slot list the given `slot` If an item for the slot
// already exists in the list, remove the older item, add it to `reclaims`, and insert /// already exists in the list, remove the older item, add it to `reclaims`, and insert
// the new item. /// the new item.
pub fn lock_and_update_slot_list( pub fn lock_and_update_slot_list(
current: &AccountMapEntryInner<T>, current: &AccountMapEntryInner<T>,
new_value: (Slot, T), new_value: (Slot, T),
@ -458,8 +458,10 @@ impl<T: IndexValue> InMemAccountsIndex<T> {
current.set_dirty(true); current.set_dirty(true);
} }
// modifies slot_list /// modifies slot_list
// returns true if caller should addref /// any entry at 'slot' is replaced with 'account_info'.
/// or, 'account_info' is appended to the slot list if the slot did not exist previously.
/// returns true if caller should addref
fn update_slot_list( fn update_slot_list(
list: &mut SlotList<T>, list: &mut SlotList<T>,
slot: Slot, slot: Slot,
@ -591,8 +593,7 @@ impl<T: IndexValue> InMemAccountsIndex<T> {
} }
} }
/// return tuple: /// return true if item already existed in the index
/// true if item already existed in the index
fn upsert_on_disk( fn upsert_on_disk(
&self, &self,
vacant: VacantEntry<K, AccountMapEntry<T>>, vacant: VacantEntry<K, AccountMapEntry<T>>,