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crimson/os/seastore/cache: trim backref cache before preparing record

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Otherwise, the transaction record would contain backrefs that has been
merged into the backref tree

Signed-off-by: Xuehan Xu <xxhdx1985126@gmail.com>
This commit is contained in:
Xuehan Xu 2022-06-17 15:58:33 +08:00
parent 3b983cccbb
commit e760ca204b
1 changed files with 3 additions and 3 deletions
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6
src/crimson/os/seastore/transaction_manager.cc
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@ -355,6 +355,9 @@ TransactionManager::submit_transaction_direct(
return tref.get_handle().enter(write_pipeline.prepare);
}).si_then([this, FNAME, &tref, seq_to_trim=std::move(seq_to_trim)]() mutable
-> submit_transaction_iertr::future<> {
if (seq_to_trim && *seq_to_trim != JOURNAL_SEQ_NULL) {
cache->trim_backref_bufs(*seq_to_trim);
}
auto record = cache->prepare_record(tref, segment_cleaner.get());
tref.get_handle().maybe_release_collection_lock();
@ -365,9 +368,6 @@ TransactionManager::submit_transaction_direct(
(auto submit_result) mutable {
SUBDEBUGT(seastore_t, "committed with {}", tref, submit_result);
auto start_seq = submit_result.write_result.start_seq;
if (seq_to_trim && *seq_to_trim != JOURNAL_SEQ_NULL) {
cache->trim_backref_bufs(*seq_to_trim);
}
cache->complete_commit(
tref,
submit_result.record_block_base,