diff options
Diffstat (limited to 'src/mongo/db/storage/storage_engine.h')
| -rw-r--r-- | src/mongo/db/storage/storage_engine.h | 13 |
1 files changed, 5 insertions, 8 deletions
diff --git a/src/mongo/db/storage/storage_engine.h b/src/mongo/db/storage/storage_engine.h index 7a973d9883f..313dcb8c439 100644 --- a/src/mongo/db/storage/storage_engine.h +++ b/src/mongo/db/storage/storage_engine.h @@ -100,8 +100,7 @@ public: virtual ~Factory() {} /** - * Return a new instance of the StorageEngine. The lockFile parameter may be null if - * params.readOnly is set. Caller owns the returned pointer. + * Return a new instance of the StorageEngine. Caller owns the returned pointer. */ virtual std::unique_ptr<StorageEngine> create( OperationContext* opCtx, @@ -161,13 +160,11 @@ public: virtual BSONObj createMetadataOptions(const StorageGlobalParams& params) const = 0; /** - * Returns whether the engine supports read-only mode. If read-only mode is enabled, the - * engine may be started on a read-only filesystem (either mounted read-only or with - * read-only permissions). If readOnly mode is enabled, it is undefined behavior to call - * methods that write data (e.g. insertRecord). This method is provided on the Factory - * because it must be called before the storageEngine is instantiated. + * Returns whether the engine supports queryable backup mode. If queryable backup mode is + * enabled, user writes are not permitted but internally generated writes are still + * permitted. */ - virtual bool supportsReadOnly() const { + virtual bool supportsQueryableBackupMode() const { return false; } }; |