Opt_barrier       759 fs/ext3/super.c Opt_ignore, Opt_barrier, Opt_err, Opt_resize, Opt_usrquota,
Opt_barrier       916 fs/ext4/super.c Opt_ignore, Opt_barrier, Opt_err, Opt_resize, Opt_usrquota,
Opt_barrier       143 fs/ocfs2/super.c Opt_barrier,
Opt_barrier       158 fs/xfs/linux-2.6/xfs_super.c Opt_barrier, Opt_nobarrier, Opt_err