fs: Export generic_atomic_write_valid()

The XFS code will need this.

Reviewed-by: "Darrick J. Wong" <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: John Garry <john.g.garry@oracle.com>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>

diff --git a/fs/read_write.c b/fs/read_write.c
index befec0b5c537a73b09df80118318293060fd6dfa..3e5dad12a5b463c51da271de2fc4e42c1eaacac4 100644 (file)
--- a/fs/read_write.c
+++ b/fs/read_write.c
@@ -1848,3 +1848,4 @@ int generic_atomic_write_valid(struct kiocb *iocb, struct iov_iter *iter)
 
        return 0;
 }
+EXPORT_SYMBOL_GPL(generic_atomic_write_valid);