3 files changed, 12 insertions, 1 deletions

diff --git a/include/linux/mm.h b/include/linux/mm.h
index 26adfcc0d61a..77a76101dcd9 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -785,6 +785,7 @@ extern int try_to_release_page(struct page * page, gfp_t gfp_mask);
 extern void do_invalidatepage(struct page *page, unsigned long offset);
 
 int __set_page_dirty_nobuffers(struct page *page);
+int __set_page_dirty_no_writeback(struct page *page);
 int redirty_page_for_writepage(struct writeback_control *wbc,
                                 struct page *page);
 int FASTCALL(set_page_dirty(struct page *page));
diff --git a/mm/page-writeback.c b/mm/page-writeback.c
index be0efbde4994..438833cbbca4 100644
--- a/mm/page-writeback.c
+++ b/mm/page-writeback.c
@@ -737,6 +737,16 @@ int write_one_page(struct page *page, int wait)
 EXPORT_SYMBOL(write_one_page);
 
 /*
+ * For address_spaces which do not use buffers nor write back.
+ */
+int __set_page_dirty_no_writeback(struct page *page)
+{
+        if (!PageDirty(page))
+                SetPageDirty(page);
+        return 0;
+}
+
+/*
  * For address_spaces which do not use buffers.  Just tag the page as dirty in
  * its radix tree.
  *
diff --git a/mm/shmem.c b/mm/shmem.c
index 70da7a0981bf..b38e17169271 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -2316,7 +2316,7 @@ static void destroy_inodecache(void)
 
 static const struct address_space_operations shmem_aops = {
         .writepage      = shmem_writepage,
-        .set_page_dirty = __set_page_dirty_nobuffers,
+        .set_page_dirty = __set_page_dirty_no_writeback,
 #ifdef CONFIG_TMPFS
         .prepare_write  = shmem_prepare_write,
         .commit_write   = simple_commit_write,