IOMAP_DIO_NEED_SYNC 119 fs/iomap/direct-io.c if (ret > 0 && (dio->flags & IOMAP_DIO_NEED_SYNC)) IOMAP_DIO_NEED_SYNC 443 fs/iomap/direct-io.c dio->flags |= IOMAP_DIO_NEED_SYNC; IOMAP_DIO_NEED_SYNC 522 fs/iomap/direct-io.c dio->flags &= ~IOMAP_DIO_NEED_SYNC;