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prune: scan and unlink already pruned block files on startup

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This commit is contained in:
Andrew Toth
2022-12-20 12:25:36 -05:00
parent dcdfd72861
commit 77557dda4a
3 changed files with 32 additions and 3 deletions
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26
src/node/blockstorage.cpp
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@@ -371,6 +371,23 @@ bool BlockManager::LoadBlockIndexDB(const Consensus::Params& consensus_params)
return true;
}
void BlockManager::ScanAndUnlinkAlreadyPrunedFiles()
{
AssertLockHeld(::cs_main);
if (!m_have_pruned) {
return;
}
std::set<int> block_files_to_prune;
for (int file_number = 0; file_number < m_last_blockfile; file_number++) {
if (m_blockfile_info[file_number].nSize == 0) {
block_files_to_prune.insert(file_number);
}
}
UnlinkPrunedFiles(block_files_to_prune);
}
const CBlockIndex* BlockManager::GetLastCheckpoint(const CCheckpointData& data)
{
const MapCheckpoints& checkpoints = data.mapCheckpoints;
@@ -556,11 +573,14 @@ uint64_t BlockManager::CalculateCurrentUsage()
void UnlinkPrunedFiles(const std::set<int>& setFilesToPrune)
{
std::error_code ec;
for (std::set<int>::iterator it = setFilesToPrune.begin(); it != setFilesToPrune.end(); ++it) {
FlatFilePos pos(*it, 0);
fs::remove(BlockFileSeq().FileName(pos));
fs::remove(UndoFileSeq().FileName(pos));
LogPrint(BCLog::BLOCKSTORE, "Prune: %s deleted blk/rev (%05u)\n", __func__, *it);
const bool removed_blockfile{fs::remove(BlockFileSeq().FileName(pos), ec)};
const bool removed_undofile{fs::remove(UndoFileSeq().FileName(pos), ec)};
if (removed_blockfile || removed_undofile) {
LogPrint(BCLog::BLOCKSTORE, "Prune: %s deleted blk/rev (%05u)\n", __func__, *it);
}
}
}