OCFS2_SUPER_BLOCK_SIGNATURE 2314 fs/ocfs2/super.c if (memcmp(di->i_signature, OCFS2_SUPER_BLOCK_SIGNATURE, OCFS2_SUPER_BLOCK_SIGNATURE 2315 fs/ocfs2/super.c strlen(OCFS2_SUPER_BLOCK_SIGNATURE)) == 0) {