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-rw-r--r--fs/fuse/file.c3
-rw-r--r--mm/filemap.c3
2 files changed, 6 insertions, 0 deletions
diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index c18913a777a..a9f5e137f1d 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 e3736923220..698ea80f210 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();