2 files changed, 6 insertions, 0 deletions

diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index c18913a777ae..a9f5e137f1d3 100644
--- a/fs/fuse/file.c
+++ b/fs/fuse/file.c
@@ -828,6 +828,9 @@ static ssize_t fuse_fill_write_pages(struct fuse_req *req,
                 if (!page)
                         break;
 
+                if (mapping_writably_mapped(mapping))
+                        flush_dcache_page(page);
+
                 pagefault_disable();
                 tmp = iov_iter_copy_from_user_atomic(page, ii, offset, bytes);
                 pagefault_enable();
diff --git a/mm/filemap.c b/mm/filemap.c
index e3736923220e..698ea80f2102 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -2232,6 +2232,9 @@ again:
                 if (unlikely(status))
                         break;
 
+                if (mapping_writably_mapped(mapping))
+                        flush_dcache_page(page);
+
                 pagefault_disable();
                 copied = iov_iter_copy_from_user_atomic(page, i, offset, bytes);
                 pagefault_enable();