diff --git a/[refs] b/[refs]
index 84b69860e5bf..c92caded6bb8 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 2f718ffc16c43a435d12919c75dbfad518abd056
+refs/heads/master: 637aff46f94a754207c80c8c64bf1b74f24b967d
diff --git a/trunk/fs/buffer.c b/trunk/fs/buffer.c
index 09bb80c479d8..9ece6c2086d0 100644
--- a/trunk/fs/buffer.c
+++ b/trunk/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) {