f2fs: call flush_dcache_page when the page was updated

Whenever f2fs updates mapped pages, it needs to call flush_dcache_page.
Signed-off-by: NJaegeuk Kim <jaegeuk@kernel.org>

fs/f2fs/inline.c

@@ -106,6 +106,7 @@ int f2fs_convert_inline_page(struct dnode_of_data *dn, struct page *page)
 	src_addr = inline_data_addr(dn->inode_page);
 	dst_addr = kmap_atomic(page);
 	memcpy(dst_addr, src_addr, MAX_INLINE_DATA);
+	flush_dcache_page(page);
 	kunmap_atomic(dst_addr);
 	SetPageUptodate(page);
 no_update: