Opt_discard 3642 drivers/staging/exfat/exfat_super.c Opt_discard, Opt_discard 315 fs/btrfs/super.c Opt_discard, Opt_nodiscard, Opt_discard 1471 fs/ext4/super.c Opt_discard, Opt_nodiscard, Opt_init_itable, Opt_noinit_itable, Opt_discard 89 fs/f2fs/super.c Opt_discard, Opt_discard 1041 fs/fat/inode.c Opt_err_panic, Opt_err_ro, Opt_discard, Opt_nfs, Opt_time_offset, Opt_discard 1257 fs/gfs2/ops_fstype.c Opt_discard, Opt_discard 210 fs/jfs/super.c Opt_discard, Opt_nodiscard, Opt_discard_minblk Opt_discard 697 fs/nilfs2/super.c Opt_discard, Opt_nodiscard, Opt_err, Opt_discard 62 fs/xfs/xfs_super.c Opt_discard, Opt_nodiscard, Opt_dax, Opt_err,