def_mount_opt    2194 fs/ext4/super.c 	int def_errors, def_mount_opt = sbi->s_def_mount_opt;
def_mount_opt    2209 fs/ext4/super.c 		if (!nodefs && !(m->mount_opt & (sbi->s_mount_opt ^ def_mount_opt)))
def_mount_opt    2244 fs/ext4/super.c 			(sbi->s_mount_opt ^ def_mount_opt)) {