diff --git a/fs/buffer.c b/fs/buffer.c
index 09bb80c479d8b84a02d6defc7f70fef831bb6eb8..9ece6c2086d0588c4a1e9f5bf276c5ca20df443d 100644
--- a/fs/buffer.c
+++ b/fs/buffer.c
@@ -1813,7 +1813,9 @@ static int __block_prepare_write(struct inode *inode, struct page *page,
 				unmap_underlying_metadata(bh->b_bdev,
 							bh->b_blocknr);
 				if (PageUptodate(page)) {
+					clear_buffer_new(bh);
 					set_buffer_uptodate(bh);
+					mark_buffer_dirty(bh);
 					continue;
 				}
 				if (block_end > to || block_start < from) {