275     FileOptions file_options = fs_->OptimizeForManifestWrite(file_options_);  in NewDB()
276     s = NewWritableFile(fs_.get(), manifest, &file, file_options);  in NewDB()
295     s = SetCurrentFile(fs_.get(), dbname_, 1, directories_.GetDbDir());  in NewDB()
297     fs_->DeleteFile(manifest, IOOptions(), nullptr);  in NewDB()
360     Status s = directories_.SetDirectories(fs_.get(), dbname_,  in Recover()
401       s = fs_->NewRandomAccessFile(current_fname, customized_fs, &idfile,  in Recover()
407         s = fs_->NewRandomAccessFile(current_fname, customized_fs, &idfile,  in Recover()
438     s = fs_->FileExists(IdentityFileName(dbname_), IOOptions(), nullptr);  in Recover()
788       status = fs_->NewSequentialFile(fname,  in RecoverLogFiles()
789                                       fs_->OptimizeForLogRead(file_options_),  in RecoverLogFiles()
1166       Status truncate_status = fs_->ReopenWritableFile(  in RestoreAliveLogFiles()
1168           fs_->OptimizeForLogWrite(  in RestoreAliveLogFiles()
1244           dbname_, env_, fs_.get(), *cfd->ioptions(), mutable_cf_options,  in WriteLevel0TableForRecovery()
1334       fs_->OptimizeForLogWrite(file_options_, db_options);  in CreateWAL()
1346     s = fs_->ReuseWritableFile(log_fname, old_log_fname, opt_file_options,  in CreateWAL()
1349     s = NewWritableFile(fs_.get(), log_fname, &lfile, opt_file_options);  in CreateWAL()