fs/iomap: remove redundant check in iomap_dio_rw()
authorJoseph Qi <joseph.qi@linux.alibaba.com>
Tue, 29 Oct 2019 16:51:24 +0000 (09:51 -0700)
committerDarrick J. Wong <darrick.wong@oracle.com>
Tue, 29 Oct 2019 16:51:24 +0000 (09:51 -0700)
We've already check if it is READ iov_iter, no need check again.

Signed-off-by: Joseph Qi <joseph.qi@linux.alibaba.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Reviewed-by: Jens Axboe <axboe@kernel.dk>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
fs/iomap/direct-io.c

index 49bf9780e3ed225eefccfe6014cfd1584580ac03..2f88d64c2a4dbb8cecdacd9a29ce2730b9f28ba4 100644 (file)
@@ -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;