diff --git a/[refs] b/[refs]
index 900d5290904a..d95353ed2e89 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 97e860d364aa9d08e895ecb619b9122ae2c70df8
+refs/heads/master: 8c58165108e26d18849a0138c719e680f281197a
diff --git a/trunk/fs/buffer.c b/trunk/fs/buffer.c
index 2a7828c0e59b..f65ef8821c73 100644
--- a/trunk/fs/buffer.c
+++ b/trunk/fs/buffer.c
@@ -1854,6 +1854,7 @@ static int __block_prepare_write(struct inode *inode, struct page *page,
 			clear_buffer_new(bh);
 			kaddr = kmap_atomic(page, KM_USER0);
 			memset(kaddr+block_start, 0, bh->b_size);
+			flush_dcache_page(page);
 			kunmap_atomic(kaddr, KM_USER0);
 			set_buffer_uptodate(bh);
 			mark_buffer_dirty(bh);
@@ -2360,6 +2361,7 @@ int nobh_prepare_write(struct page *page, unsigned from, unsigned to,
 	 */
 	kaddr = kmap_atomic(page, KM_USER0);
 	memset(kaddr, 0, PAGE_CACHE_SIZE);
+	flush_dcache_page(page);
 	kunmap_atomic(kaddr, KM_USER0);
 	SetPageUptodate(page);
 	set_page_dirty(page);