282 lines
8.2 KiB
Plaintext
282 lines
8.2 KiB
Plaintext
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lscpu
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-----
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- add -o <list> to speficy output columns for -p options.
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(the same thing we use for findmnt, lsblk, ...)
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dmesg
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-----
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- add -f (follow) option
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http://www.spinics.net/lists/util-linux-ng/msg04453.html
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mount
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-----
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(features for new libmount based implemenation)
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- add support for "x-" namespace for mount options. All options with "x-"
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prefix should be ignored.
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For example x-systemd=, x-upstart-foo, x-libmount-debug=0xffff, ...
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It's definitely better to have a generic way how ignore some options than
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use comment= for all things.
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- add --source and --target options to specify device and mountpoint
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fstab:
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/dev/sda1 /foo auto defaults 0 0
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/foo /mnt auto bind 0 0
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command line:
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mount -o remount,ro /foo
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... this command is ambiguous. It would be better to have a way how specify
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target or source:
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mount --target /foo -o remount,ro
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Note that findmnt(8) already supports --target and --source.
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- add ---target-prefix option to specify prefix for mountpoints
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so then you can
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LIBMOUNT_FSTAB=/etc/fstab.foo mount -a --target-prefix=$FOO_ROOT
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to create a new hierarchy of filesystems at $FOO_ROOT.
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partx
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-----
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- add support loop devices:
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partx -a /path/file.img
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* associate the file with loop device (use lib/loopdev.c)
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* map partitions by BLKPG_ADD_PARTITION
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- support mapping by device-mapper if argv[0] is "kpartx" or --dm option is used.
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- add regression tests for partx, addpart and delpart
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build-sys
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--------
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- we use something like
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AC_ARG_ENABLE(...., enable_foo=check)
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build_foo=yes
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if test "x$enable_foo" = xcheck; then
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if test "x$linux_os" = xno; then
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build_foo=no
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fi
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fi
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AM_CONDITIONAL(BUILD_LIBMOUNT, test "x$build_foo" = xyes)
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for Linux-only utils in configure.ac. It would be nice to set all defaults
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for all "$enable_" variables at the begin of the configure script according to
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$linux_os. Something like:
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if test "x$linux_os" = xno
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enable_mount=no
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enable_libmount=no
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enable_lsblk=no
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fi
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then we can remove all "if test "x$enable_foo" = xcheck;" stuff from the rest
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of the configure script.
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- it would be nice to remove all "if BUILD_LIB{MOUNT,BLKID,UUID}" from the
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Makefiles (e.g. misc-utils/Makefile.am) and use BUILD_<utilname> only
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The configure.ac has to care about dependence between utils and librares and
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enable BUILD_<utilname>.
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lib/tt.c
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--------
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- allows to sort columns, for example sort lsblk(8) output by SIZE
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login-utils:
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-----------
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- use err() and warn() macros rather than fprintf(stderr, ...)
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losetup
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-------
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- don't use ioclts if sysfs supports loop attributes (since 2.6.37,
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block/loopN/loop/* files)
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- don't open loopdev in looplist_next(), check if /sys/block/loopN/loop
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exists and returns ll.name rather than file descriptor
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- add sysfs based version of show_loop() and use it for non-root users
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- move all loopdev code to libmount
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shlib (libblkd and libmount):
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----------------------------
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- use __attribute__((notnull)) and __attribute__((warn_unused_result))
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Note that the code has to be usefull for non-gcc compilers too.
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libblkid
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--------
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- remove strerrr() from debug messages (use %m) to make BLKID_DEBUG= output
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thread-safe
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- add -<BE|LE> suffix to test images for native-endian filesystems (e.g. swap)
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and add support for such functionality to tests/ts/blkid/low-probe
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- add FSSIZE value -- filesystem size (klibc requirement)
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- add support for dasd PT (used for example on s390)
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- support PARTUUID= tag
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* the partitions probing is already supported by low-level part of the
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library, but it's necessary add support for this tag also to high-level
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(blkid_cache) API.
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* add blkid -P <PARTUUID>
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wipefs
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------
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- some filesystem (namely FAT) contains more magic strings, so if you erase
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one magic string the FS is still detectable by libblkid. We have to inform
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users that there is more valid magic string for the same FS.
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fdisk(s)
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--------
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* add "move end" command to move end of the last primary/extended partition.
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This feature seems very attractive to users who resizing their disks
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(for example in virtual machines).
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* sfdisk has to use rpmatch() for answers to y/n questions
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(e.g. "Are you satisfied with this? [ynq]")
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* sfdisk rounds to cylinders is -uM (megabyte units) is specified, this is
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pretty stupid feature. It has to round to sectors if -uS or -uM is specified.
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* Sun label support is completely useless for large disks, it uses number of
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cylinders from on-disk-label where the geometry is stored by int16 values.
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It seems better to completely ignore this stuff from the label and always
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use geometry + BLKGETSIZE64 from kernel.
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* use off_t instead "long long"
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* catch SIGINT (Ctrl-C) and return to main menu.
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From Red Hat bugzilla #545488:
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While using fdisk normally, if you accidentally pressed the wrong button (to
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start a sequence of questions for some operation, e.g. 'c' to create
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partition). The tool tries too hard to keep asking you for valid input. You
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can't provide a blank or invalid input to get it to break out of the current
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dialog sequence and get back to the main menu.
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* fdisk/* refactoring
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* add GPT support (probably implement libfdisk)
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misc
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----
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* switch_root:
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- move all mountpoints to the newroot (there are hardcoded /proc /sys and /dev paths now)
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- add --dont-move[=<list of dirs>] options
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* use ngettext() for strings with plurals, for example
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/* include/nls.h */
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#define P_(id, id_plural, n) ngettext(id, id_plural, n)
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printf(P_("%d used sector",
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"%d used sectors", sectors),
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sectors);
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* use something better than gtk-doc (doxyden?)
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* use TZ=UTC and LANG=en_US.UTF-8 for tests
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* add mllockall() and SCHED_FIFO to hwclock,
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see http://lkml.org/lkml/2008/10/12/132
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* use rpmatch() for all Y/N questions
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* umount by label:
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# mount LABEL=mylabel
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# umount LABEL=mylabel
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---------------
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exotic requests
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---------------
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* mount -a -- reorder fstab entries by paths before mount (just idea only)
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* mount -a (just idea only)
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Date: Sun, 3 Jun 2007 18:04:24 +0300 (MET DST)
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From: Szabolcs Szakacsits <szaka@sienet.hu>
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In the past the right record order could be figured out easily by just
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checking out fstab (if one knew what to look for) but considering the
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fastly increasing number of user space file systems and their usage, with
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their path, library, etc dependencies, it's getting trickier and is a black
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magic for most users because they simply expect drives to be mounted
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independently of their order in fstab.
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One typical, wrongly edited fstab example is:
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/dev/hda2 / ext3 defaults 1 1
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/dev/hda1 /mnt/windows ntfs-3g defaults 0 0
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/dev/hda3 /usr ext3 defaults 0 0
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The events:
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mount -> /sbin/mount.ntfs-3g ->
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-> resolves to <path1>/ntfs-3g via a symlink ->
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-> ntfs-3g requires at least <path2>/libfuse*
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There are many potential solutions. For example installing everything on
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the root file system which may be needed for successful mount. But this
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is not always feasible or practical since we could end up putting almost
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everything on the root file system in the end.
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Another idea is an improved mount strategy:
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do {
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try to mount all unmounted entries
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} while (not all mounted && at least one new was successfully mounted)
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* rewrite ipcs to use /proc/sys/kernel rather than unreliable syscalls
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(there are problems with 32bit userspace on 64bit kernel)
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* minix v3
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From: Matthias Koenig <mkoenig@suse.de>
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Date: Tue, 25 Sep 2007 12:00:01 +0200
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It seems that the kernel has support for minix fs v3
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(though I have not tried it, just inspected some code when
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trying to find a mkfs.minix issue).
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It might be worth a thought implementing v3 support
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(though I am not really sure how much people us minix fs ;-)
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This might require some major code cleanup in mkfs.minix.
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* add SELinux security contexts support to the 'ipcs' utility
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http://bugzilla.redhat.com/show_bug.cgi?id=225342
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Would be great to list the current system IPC Objects with their respective
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security labels (where allowed) with something like 'ipcs -Z' - following the
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way other tools reports those.
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