iomap: remove iomap_writepage

Unused now.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
diff --git a/fs/iomap/buffered-io.c b/fs/iomap/buffered-io.c
index afd2606..7c4a56b 100644
--- a/fs/iomap/buffered-io.c
+++ b/fs/iomap/buffered-io.c
@@ -1520,21 +1520,6 @@
 }
 
 int
-iomap_writepage(struct page *page, struct writeback_control *wbc,
-		struct iomap_writepage_ctx *wpc,
-		const struct iomap_writeback_ops *ops)
-{
-	int ret;
-
-	wpc->ops = ops;
-	ret = iomap_do_writepage(page, wbc, wpc);
-	if (!wpc->ioend)
-		return ret;
-	return iomap_submit_ioend(wpc, wpc->ioend, ret);
-}
-EXPORT_SYMBOL_GPL(iomap_writepage);
-
-int
 iomap_writepages(struct address_space *mapping, struct writeback_control *wbc,
 		struct iomap_writepage_ctx *wpc,
 		const struct iomap_writeback_ops *ops)
diff --git a/include/linux/iomap.h b/include/linux/iomap.h
index e552097..9118885 100644
--- a/include/linux/iomap.h
+++ b/include/linux/iomap.h
@@ -303,9 +303,6 @@
 void iomap_ioend_try_merge(struct iomap_ioend *ioend,
 		struct list_head *more_ioends);
 void iomap_sort_ioends(struct list_head *ioend_list);
-int iomap_writepage(struct page *page, struct writeback_control *wbc,
-		struct iomap_writepage_ctx *wpc,
-		const struct iomap_writeback_ops *ops);
 int iomap_writepages(struct address_space *mapping,
 		struct writeback_control *wbc, struct iomap_writepage_ctx *wpc,
 		const struct iomap_writeback_ops *ops);