Note that items with (!) have high priority.

libsmartcols
------------
   - (!) add libscols_column->json_type and scols_column_set_jsontype()
     to generate proper JSON output. Now the library uses quotes (= all is
     string) for everything. See for example SIZE in "lsblk --json --bytes"
     output.

script
------
   - (!) add terminal type ($TERM), columns and lines to the header line, something like:

		Script started on 2018-03-05 13:02:08+0100 [term="xterm-256color", lines=53, columns=190]

     see https://github.com/karelzak/util-linux/issues/583

   - think about optional "event" records in timing file to save information
     about non-data changes like signals (SIGWINCH, SIGSTOP, SIGCONT, etc.)
     in format:

             <time> 0 <name>[: var=data, ...]

     for example:

	     0.001296 256
	     0.001297   0 SIGWINCH: columns=50, lines=20
	     0.000010 275

lsblk
-----
   The problem is NVMe-multipath driver where in /sys/.../slaves/ are nodes
   that should be probably hidden for userspace. Note that kernel developers
   promised to fix this issue in kernel *** so hold off from that for now***
   [Mar 1, 2018].

   Anyway, possible userspace solution is:

   - verify that slave/holder nodes points to the real block devices
     (/sys/dev/block/<maj:min> for the node exists), otherwise silently ignore
     the slave/holder node -- see set_cxt().

   - the same verification we necessary for nodes in /sys/block/<name>. It means
     verify result from sysfs_devname_to_devno() in set_cxt().



cleanup lib/path.c: [Karel Zak for v2.33]
------------------
   - always return rc from all functions
   - introduce control struct and use openat() from top-level path 
     (e.g. top-level is /proc, etc)
   - use lib/path.c as low-level API for lib/sysfs.c
   - now we duplicate code in functions like {path,sysfs}_read_u32, etc. 
   - it would be also nice to have a way how to redirect sysfs.c functions 
     to /sys snapshots (e.g. lsblk regression tests)
	

lscpu
-----
  - read cpuid and uname information from file if --sysroot is specified, then
    we can prepare regression tests completely independent on hw and architecture.

lsblk
-----
  - currently it does not show mountpoint for all devices in btrfs RAID. It's because
    /proc/#/mountinfo contains reference to the one device only. Maybe we can add some
    btrfs specific code to provide a better output for FS based stacks. Not sure.
    https://bugzilla.redhat.com/show_bug.cgi?id=1084453

agetty
-----
  - support default issue (/etc/issue) output for agetty to make it agetty
    usable on systems with empty /etc. 

    This change is little bit controversial, because now agetty prints nothing 
    by default and it's probably used by admins to hide information about the 
    system to unauthorized users. We already have --noissue to disable issue 
    output. The question is if admins use this option, "rm /etc/issue" is 
    probably easer than modify inittab (or systemd unit file).

    Maybe we can implement it by --enable-agetty-default-issue compile option and 
    move the decision to downstream maintainers ;-)

nsenter(1)
----------
 - read the default UID and GID from the target process.
   http://thread.gmane.org/gmane.linux.utilities.util-linux-ng/9553/focus=9585

hwlock
------
 - use /var/lib/hwclock/drift to store hw-clock drift numbers.
 - use /etc/adjtime as read-only for UTC/LOCAL information only
 - the /var/lib/hwclock/drift should be implemented backwardly compatible,
   it means use the file only if exists, otherwise follow /etc/adjtime 

bash completion
---------------
- Optional argument handling requires user to press backspace to get
  argument completion.
- Comma separated value, e.g., --output 'value1,value2', are not
  completed for users.

libmount (mount/umount)
-----------------------

 - add --onlyonce to force mount(8) to check if mountpoint is already used. Now
   "already mounted" detection is used for --all only. The problem is if you
   call "mount <mountpoint>" more than once for in fstab defined tmpfs (or network
   filesystem etc.). In this case kernel does not return EBUSY, but a new instance
   of the FS is created. https://github.com/karelzak/util-linux/issues/448

 - support CAP_SYS_ADMIN; for mount(2) syscall the CAP_SYS_ADMIN is good
   enough. Unfortunately, mount(8) does more things like check for filesystem
   type (but it's usually done by udev, so root perms are unnecessary), create
   loop devices, write to /run/mount/utab or /etc/mtab, etc.

   It would be nice to improve libmount to check for CAP_SYS_ADMIN if suid not
   set and allow to use it for simple tasks where no another operation is
   necessary.

 - allow to execute mount(2) in another namespace, something like:
	mount --namespace=/proc/$n/ns/mnt  /dev/sda2 /bar
   see https://bugzilla.redhat.com/show_bug.cgi?id=1199554 for more details.

 - add options to control fstab/mtab mount options usage, something like:

   --options-mode={ignore,append,prepend,replace}      MNT_OMODE_{IGNORE, ...}
   --options-source={fstab,mtab,disable}               MNT_OMODE_{FSTAB,MTAB,NOTAB}
   --options-source-force                              MNT_OMODE_FORCE

   (all this already supported by libmount)


partx
-----

 - support mapping by device-mapper if argv[0] is "kpartx" or --dm option is used.
     

docs
----

 - (!) use something better than gtk-doc for libmount and libblkid (doxyden?)

 - (!) add API documentation to libuuid

exit codes
----------

  - we need coreutils-like exit codes for failed exec(). See:
    https://www.spinics.net/lists/util-linux-ng/msg12776.html
    and original attempt:
    https://github.com/karelzak/util-linux/pull/311

login-utils:
-----------

  - consolidate newgrp(1)
    * we have "su --group/--supp-group" to switch between groups, newgrp(1) in
      util-linux and shadow-utils (and sg(1) alias in shadow-utils)
    * the unique functionality provided by newgpr(1) is support for group
      passwords [/etc/gshadow] -- do we really need this functionality?
    * maybe we can mark group-passwords as deprecated, and replace sg(1) and
      newgpr(1) with su(1) code. The another way is to ask for group password in
      su --group too.
    * note that shadow-utils newgpr(1) provides support for syslog and audit log.


libblkid
--------

 - (!) don't use internally blkid_loff_t, rather use off_t, size_t, ssize_t,
       stdint.h types and so on...

 - add FSSIZE value  -- filesystem size (klibc requirement)

 - (!) add support for dasd PT (used for example on s390)

libfdisk
--------

 - add support for Apple Partition Map (see libblkid/src/partitions/mac.c)
   http://en.wikipedia.org/wiki/Apple_Partition_Map

misc
----

 - add mllockall() and SCHED_FIFO to hwclock,
   see http://lkml.org/lkml/2008/10/12/132
 

---------------
exotic requests
---------------

 - add SELinux security contexts support to the 'ipcs' utility
   http://bugzilla.redhat.com/show_bug.cgi?id=225342

   Would be great to list the current system IPC Objects with their respective
   security labels (where allowed) with something like 'ipcs -Z' - following the
   way other tools reports those.