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Add journal fsync to stabilize/rollback

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This commit is contained in:
Vitaliy Filippov
2020-03-09 00:35:58 +03:00
parent c863543bfe
commit c3737ae3ff
7 changed files with 193 additions and 103 deletions
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blockstore_flush.cpp
+4 -1
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@@ -6,6 +6,7 @@ journal_flusher_t::journal_flusher_t(int flusher_count, blockstore_impl_t *bs)
this->flusher_count = flusher_count;
dequeuing = false;
active_flushers = 0;
syncing_flushers = 0;
sync_threshold = bs->journal_block_size / sizeof(journal_entry_stable);
journal_trim_interval = sync_threshold;
journal_trim_counter = 0;
@@ -649,7 +650,8 @@ bool journal_flusher_co::fsync_batch(bool fsync_meta, int wait_base)
});
sync_found:
cur_sync->ready_count++;
if (cur_sync->ready_count >= flusher->sync_threshold || !flusher->flush_queue.size())
flusher->syncing_flushers++;
if (flusher->syncing_flushers >= flusher->flusher_count || !flusher->flush_queue.size())
{
// Sync batch is ready. Do it.
await_sqe(0);
@@ -675,6 +677,7 @@ bool journal_flusher_co::fsync_batch(bool fsync_meta, int wait_base)
wait_state = 2;
return false;
}
flusher->syncing_flushers--;
cur_sync->ready_count--;
if (cur_sync->ready_count == 0)
{