fs/iomap: remove redundant check in iomap_dio_rw()

We've already check if it is READ iov_iter, no need check again.

Signed-off-by: Joseph Qi <[email protected]>
Reviewed-by: Johannes Thumshirn <[email protected]>
Reviewed-by: Jens Axboe <[email protected]>
Reviewed-by: Darrick J. Wong <[email protected]>
Signed-off-by: Darrick J. Wong <[email protected]>

Author: josephhz

fs/iomap/direct-io.c

@@ -433,7 +433,7 @@ iomap_dio_rw(struct kiocb *iocb, struct iov_iter *iter,
 		if (pos >= dio->i_size)
 			goto out_free_dio;
 
-		if (iter_is_iovec(iter) && iov_iter_rw(iter) == READ)
+		if (iter_is_iovec(iter))
 			dio->flags |= IOMAP_DIO_DIRTY;
 	} else {
 		flags |= IOMAP_WRITE;