1 files changed, 7 insertions, 0 deletions

diff --git a/fs/mpage.c b/fs/mpage.c
index 0afc809e46e0..fdfae9fa98cd 100644
--- a/fs/mpage.c
+++ b/fs/mpage.c
@@ -27,6 +27,7 @@
 #include <linux/writeback.h>
 #include <linux/backing-dev.h>
 #include <linux/pagevec.h>
+#include <linux/cleancache.h>
 
 /*
  * I/O completion handler for multipage BIOs.
@@ -271,6 +272,12 @@ do_mpage_readpage(struct bio *bio, struct page *page, unsigned nr_pages,
                 SetPageMappedToDisk(page);
         }
 
+        if (fully_mapped && blocks_per_page == 1 && !PageUptodate(page) &&
+            cleancache_get_page(page) == 0) {
+                SetPageUptodate(page);
+                goto confused;
+        }
+
         /*
          * This page will go to BIO.  Do we need to send this BIO off first?
          */