Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/fs/jffs2/file.c b/fs/jffs2/file.c
index 7d8654a..f8fb89b 100644
--- a/fs/jffs2/file.c
+++ b/fs/jffs2/file.c
@@ -109,9 +109,9 @@
 	return ret;
 }
 
-int jffs2_do_readpage_unlock(struct inode *inode, struct page *pg)
+int jffs2_do_readpage_unlock(void *data, struct page *pg)
 {
-	int ret = jffs2_do_readpage_nolock(inode, pg);
+	int ret = jffs2_do_readpage_nolock(data, pg);
 	unlock_page(pg);
 	return ret;
 }