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layout: refactor/fix bad while loop

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Alex Auvolat 2023-12-11 15:45:14 +01:00
parent 85b5a6bcd1
commit adccce1145
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1 changed files with 14 additions and 17 deletions
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31
src/rpc/layout/history.rs
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@ -86,23 +86,20 @@ impl LayoutHistory {
// remove them (keep them in self.old_versions).
// ASSUMPTION: we only care about where nodes in the current layout version
// are reading from, as we assume older nodes are being discarded.
while self.versions.len() > 1 {
let current_nodes = &self.current().node_id_vec;
let min_version = self.min_stored();
let sync_ack_map_min = self
.update_trackers
.sync_ack_map
.min_among(current_nodes, min_version);
if self.min_stored() < sync_ack_map_min {
let removed = self.versions.remove(0);
info!(
"Layout history: moving version {} to old_versions",
removed.version
);
self.old_versions.push(removed);
} else {
break;
}
let current_nodes = &self.current().node_id_vec;
let min_version = self.min_stored();
let sync_ack_map_min = self
.update_trackers
.sync_ack_map
.min_among(current_nodes, min_version);
while self.min_stored() < sync_ack_map_min {
assert!(self.versions.len() > 1);
let removed = self.versions.remove(0);
info!(
"Layout history: moving version {} to old_versions",
removed.version
);
self.old_versions.push(removed);
}
while self.old_versions.len() > OLD_VERSION_COUNT {