relax O_DIRECT in single drive mode if unsupported (#15045)
relax O_DIRECT in single drive mode if unsupported (#15045)


vadmeste/minio,donatello/minio,balamurugana/minio,balamurugana/minio,minio/minio,minio/minio,vadmeste/minio,donatello/minio,krisis/minio,krisis/minio