update ceph source to reef 18.1.2

[ceph.git] / ceph / src / rocksdb / include / rocksdb / wal_filter.h

diff --git a/ceph/src/rocksdb/include/rocksdb/wal_filter.h b/ceph/src/rocksdb/include/rocksdb/wal_filter.h
index 98eddc2e26f341cb5685684bdcad938016b83e21..3e66c39e464d5668dd493cb65ef3ac59a2ce68dc 100644 (file)
--- a/ceph/src/rocksdb/include/rocksdb/wal_filter.h
+++ b/ceph/src/rocksdb/include/rocksdb/wal_filter.h
@@ -8,17 +8,26 @@
 #include <map>
 #include <string>
 
+#include "rocksdb/customizable.h"
 #include "rocksdb/rocksdb_namespace.h"
 
 namespace ROCKSDB_NAMESPACE {
 
 class WriteBatch;
+struct ConfigOptions;
 
 // WALFilter allows an application to inspect write-ahead-log (WAL)
 // records or modify their processing on recovery.
 // Please see the details below.
-class WalFilter {
+//
+// Exceptions MUST NOT propagate out of overridden functions into RocksDB,
+// because RocksDB is not exception-safe. This could cause undefined behavior
+// including data loss, unreported corruption, deadlocks, and more.
+class WalFilter : public Customizable {
  public:
+  static const char* Type() { return "WalFilter"; }
+  static Status CreateFromString(const ConfigOptions& options,
+                                 const std::string& value, WalFilter** result);
   enum class WalProcessingOption {
     // Continue processing as usual
     kContinueProcessing = 0,
@@ -96,7 +105,7 @@ class WalFilter {
 
   // Returns a name that identifies this WAL filter.
   // The name will be printed to LOG file on start up for diagnosis.
-  virtual const char* Name() const = 0;
+  virtual const char* Name() const override = 0;
 };
 
 }  // namespace ROCKSDB_NAMESPACE