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Add WRITE_STABLE operation for future replication support

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This commit is contained in:
Vitaliy Filippov
2020-07-05 01:48:02 +03:00
parent 416a80b099
commit ec7acc8f3a
8 changed files with 78 additions and 35 deletions
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blockstore_sync.cpp
+15 -5
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@@ -127,8 +127,10 @@ int blockstore_impl_t::continue_sync(blockstore_op_t *op)
}
while (it != PRIV(op)->sync_big_writes.end())
{
journal_entry_big_write *je = (journal_entry_big_write*)
prefill_single_journal_entry(journal, JE_BIG_WRITE, sizeof(journal_entry_big_write));
journal_entry_big_write *je = (journal_entry_big_write*)prefill_single_journal_entry(
journal, (dirty_db[*it].state & BS_ST_INSTANT) ? JE_BIG_WRITE_INSTANT : JE_BIG_WRITE,
sizeof(journal_entry_big_write)
);
dirty_db[*it].journal_sector = journal.sector_info[journal.cur_sector].offset;
journal.sector_info[journal.cur_sector].dirty = false;
journal.used_sectors[journal.sector_info[journal.cur_sector].offset]++;
@@ -257,7 +259,11 @@ void blockstore_impl_t::ack_one_sync(blockstore_op_t *op)
auto & unstab = unstable_writes[it->oid];
unstab = unstab < it->version ? it->version : unstab;
auto dirty_it = dirty_db.find(*it);
dirty_it->second.state = (BS_ST_BIG_WRITE | BS_ST_SYNCED);
dirty_it->second.state = ((dirty_it->second.state & ~BS_ST_WORKFLOW_MASK) | BS_ST_SYNCED);
if (dirty_it->second.state & BS_ST_INSTANT)
{
mark_stable(dirty_it->first);
}
dirty_it++;
while (dirty_it != dirty_db.end() && dirty_it->first.oid == it->oid)
{
@@ -281,9 +287,13 @@ void blockstore_impl_t::ack_one_sync(blockstore_op_t *op)
// Deletions are treated as immediately stable
mark_stable(*it);
}
else /* BS_ST_SMALL_WRITE | BS_ST_WRITTEN */
else /* (BS_ST_INSTANT?) | BS_ST_SMALL_WRITE | BS_ST_WRITTEN */
{
dirty_db[*it].state = (BS_ST_SMALL_WRITE | BS_ST_SYNCED);
dirty_db[*it].state = (dirty_db[*it].state & ~BS_ST_WORKFLOW_MASK) | BS_ST_SYNCED;
if (dirty_db[*it].state & BS_ST_INSTANT)
{
mark_stable(*it);
}
}
}
in_progress_syncs.erase(PRIV(op)->in_progress_ptr);