lib/path: fstat dir itself

Signed-off-by: Karel Zak <kzak@redhat.com>

lsfd: revert include/path.h use

We need something better to handle work with processes.

Signed-off-by: Karel Zak <kzak@redhat.com>

lsfd: add reference to proc from file

* add to file struct reference to process
* add file to the list of the process' files in new_file()

This makes things more straightforward.

Signed-off-by: Karel Zak <kzak@redhat.com>

lsfd: move list_free() to list.h

lsfd: reorder function

Keep free_() after new_().

Signed-off-by: Karel Zak <kzak@redhat.com>

lsfd: remove collect_file()

Signed-off-by: Karel Zak <kzak@redhat.com>

lsfd: cleanup new file initialization

Don't use new_<class>() functions if we have already have
file_class callbacks.

Signed-off-by: Karel Zak <kzak@redhat.com>

lsfd: keep main() at the end of the code

and usage() before main().

Signed-off-by: Karel Zak <kzak@redhat.com>

lsfd: use 'new_' prefix when we allocate something

It's more readable than rather than 'make_'.

Signed-off-by: Karel Zak <kzak@redhat.com>

lsfd: add --sysroot, use lib/path.c

* use struct path_cxt to read from /procfs

* add --sysroot to redirect lsfd to alternative location (necessary
  for regression tests)

* merge collect_procs() into collect()

Signed-off-by: Karel Zak <kzak@redhat.com>

lsfd: add --notruncate

* make COMMAND and NAME truncated by default (to keep output on terminal readable)
* add --notruncate to disable the default behaviour

Signed-off-by: Karel Zak <kzak@redhat.com>

lsfd: tiny change to default colummns initialization

Signed-off-by: Karel Zak <kzak@redhat.com>

lsfd: unify nodev lists into global one

lsfd: don't use threads

lsfd: fill PROTONAME field of file for mmap'ed socket

Signed-off-by: Masatake YAMATO <yamato@redhat.com>

lsfd: add MAPLEN column

Signed-off-by: Masatake YAMATO <yamato@redhat.com>

lsfd: introduce a data structure for storing common fdinfo data

Signed-off-by: Masatake YAMATO <yamato@redhat.com>

lsfd: increase the threads to collect information

$ sudo ./lsfd -l | wc -l
75837

[NUM_COLLECTORS 1]
sudo ./lsfd -l > /dev/null  1.16s user 0.62s system 98% cpu 1.805 total
sudo ./lsfd -l > /dev/null  1.12s user 0.50s system 99% cpu 1.630 total
sudo ./lsfd -l > /dev/null  1.14s user 0.49s system 99% cpu 1.642 total

[NUM_COLLECTORS 2]
sudo ./lsfd -l > /dev/null  1.18s user 0.53s system 127% cpu 1.343 total
sudo ./lsfd -l > /dev/null  1.21s user 0.50s system 126% cpu 1.350 total
sudo ./lsfd -l > /dev/null  1.14s user 0.51s system 128% cpu 1.291 total

[NUM_COLLECTORS 3]
sudo ./lsfd -l > /dev/null  1.21s user 0.55s system 138% cpu 1.278 total
sudo ./lsfd -l > /dev/null  1.15s user 0.51s system 139% cpu 1.187 total
sudo ./lsfd -l > /dev/null  1.15s user 0.51s system 140% cpu 1.180 total

[NUM_COLLECTORS 4]
sudo ./lsfd -l > /dev/null  1.23s user 0.66s system 154% cpu 1.218 total
sudo ./lsfd -l > /dev/null  1.22s user 0.54s system 154% cpu 1.137 total
sudo ./lsfd -l > /dev/null  1.14s user 0.64s system 158% cpu 1.123 total

[NUM_COLLECTORS 5]
sudo ./lsfd -l > /dev/null  1.19s user 0.72s system 171% cpu 1.118 total
sudo ./lsfd -l > /dev/null  1.14s user 0.62s system 165% cpu 1.063 total
sudo ./lsfd -l > /dev/null  1.15s user 0.73s system 176% cpu 1.063 total

[NUM_COLLECTORS 6]
sudo ./lsfd -l > /dev/null  1.23s user 0.70s system 173% cpu 1.115 total
sudo ./lsfd -l > /dev/null  1.29s user 0.67s system 169% cpu 1.157 total
sudo ./lsfd -l > /dev/null  1.24s user 0.75s system 185% cpu 1.070 total

[NUM_COLLECTORS 7]
sudo ./lsfd -l > /dev/null  1.32s user 0.74s system 182% cpu 1.130 total
sudo ./lsfd -l > /dev/null  1.25s user 0.82s system 195% cpu 1.058 total
sudo ./lsfd -l > /dev/null  1.22s user 0.74s system 188% cpu 1.041 total

[NUM_COLLECTORS 8]
sudo ./lsfd -l > /dev/null  1.30s user 0.92s system 194% cpu 1.141 total
sudo ./lsfd -l > /dev/null  1.21s user 0.81s system 197% cpu 1.027 total
sudo ./lsfd -l > /dev/null  1.22s user 0.79s system 199% cpu 1.005 total

Signed-off-by: Masatake YAMATO <yamato@redhat.com>

lsfd: introduce DEVNAME column and use it as default

Signed-off-by: Masatake YAMATO <yamato@redhat.com>

lsfd: add a function to get the name of filesystem from a given minor number

Signed-off-by: Masatake YAMATO <yamato@redhat.com>

lsfd: add a stub for fifo type

lsfd: add MISCDEV column

Signed-off-by: Masatake YAMATO <yamato@redhat.com>

lsfd: read misc character device names from /proc/misc

Signed-off-by: Masatake YAMATO <yamato@redhat.com>

lsfd: add CHRDRV column

Signed-off-by: Masatake YAMATO <yamato@redhat.com>

lsfd: read character driver names from /proc/devices

Signed-off-by: Masatake YAMATO <yamato@redhat.com>

lsfd: add PARTITION column

Signed-off-by: Masatake YAMATO <yamato@redhat.com>

lsfd: read /proc/partitions

Signed-off-by: Masatake YAMATO <yamato@redhat.com>

lsfd: introduce name_manager

Signed-off-by: Masatake YAMATO <yamato@redhat.com>

lsfd: replace "socket:" in NAME of SOCKET with its protoname

Signed-off-by: Masatake YAMATO <yamato@redhat.com>

lsfd: add PROTONAME column

Signed-off-by: Masatake YAMATO <yamato@redhat.com>

lsfd: allow passing a proc object to the constructors of the file classes

Signed-off-by: Masatake YAMATO <yamato@redhat.com>

lsfd: make username_cache lsfd-file privaite

Signed-off-by: Masatake YAMATO <yamato@redhat.com>

lsfd: add the way to initialize and finalize classes

Signed-off-by: Masatake YAMATO <yamato@redhat.com>

lsfd: move file_class variants after their constructors

Signed-off-by: Masatake YAMATO <yamato@redhat.com>

lsfd: fill POS and MODE columns for SHM and MEM associated files

/proc/$pid/maps files are used as the data sourecs.

Signed-off-by: Masatake YAMATO <yamato@redhat.com>

lsfd: introduce new association SHM representing shared file mapping

MEM is kept for representing private file mapping.

Signed-off-by: Masatake YAMATO <yamato@redhat.com>

lsfd: add code for reading /proc/$pid/maps

Signed-off-by: Masatake YAMATO <yamato@redhat.com>

lsfd: introduce fopenf helper function

Signed-off-by: Masatake YAMATO <yamato@redhat.com>

lsfd: add stubs for sockets and files of unknown type

Signed-off-by: Masatake YAMATO <yamato@redhat.com>

lsfd: simplify class hierarchy

Signed-off-by: Masatake YAMATO <yamato@redhat.com>

lsfd: replace POS with MNT_ID in default column set

Signed-off-by: Masatake YAMATO <yamato@redhat.com>

lsfd: add MODE column

Signed-off-by: Masatake YAMATO <yamato@redhat.com>

lsfd: add FLAGS, MNTID, and POS columns

Signed-off-by: Masatake YAMATO <yamato@redhat.com>

lsfd: add infrstructure code for reading fdinfo files

Signed-off-by: Masatake YAMATO <yamato@redhat.com>

lsfd: don't collect and print redundant information about threads

Signed-off-by: Masatake YAMATO <yamato@redhat.com>

lsfd: support threads with -l option

-t and -T are reserved for ffiltering feature.

Signed-off-by: Masatake YAMATO <yamato@redhat.com>

lsfd: print the owner of process as USER

Signed-off-by: Masatake YAMATO <yamato@redhat.com>

lsfd: adjust column width for COMMAND

Signed-off-by: Masatake YAMATO <yamato@redhat.com>

lsfd: add NLINK and DELETED columns

Signed-off-by: Masatake YAMATO <yamato@redhat.com>

lsfd: add columns for SIZE

Signed-off-by: Masatake YAMATO <yamato@redhat.com>

lsfd: give column widths

Signed-off-by: Masatake YAMATO <yamato@redhat.com>

lsfd: specify column more declarative way

Signed-off-by: Masatake YAMATO <yamato@redhat.com>

lsfd: declare JSON type in colinfo entries

Signed-off-by: Masatake YAMATO <yamato@redhat.com>

lsfd: add columns for DEV and RDEV

Signed-off-by: Masatake YAMATO <yamato@redhat.com>

lsfd: refactor code calling collect_outofbox_files

lsfd: add mem associations

lsfd: add namespace related associations

Signed-off-by: Masatake YAMATO <yamato@redhat.com>

lsfd: add cwd, exe, and root associations

Signed-off-by: Masatake YAMATO <yamato@redhat.com>

lsfd: purge fd layer

lsfd: fill ASSOC field

lsfd: fill DEVICE field

lsfd: fill INODE field

lsfd: fill USER field

lsfd: refactor

lsfd: fill UID field

lsfd: fill TYPE field

lsfd: initial commit

more: fix -e in non-interactive mode

Signed-off-by: Karel Zak <kzak@redhat.com>

su: reset also RLIMIT_FSIZE and RLIMIT_NOFILE

Addresses: https://github.com/linux-pam/linux-pam/issues/85
Signed-off-by: Karel Zak <kzak@redhat.com>

mount.8.adoc: note that mandatory locking is fully deprecated in Linux 5.15

Cc: Jan Kara <jack@suse.cz>
Signed-off-by: Jeff Layton <jlayton@kernel.org>

fstrim: fix typo

Addresses: https://github.com/karelzak/util-linux/issues/1463
Signed-off-by: Karel Zak <kzak@redhat.com>

fstrim: don't trigger autofs

- ignore read-only entries
- ignore autofs entries (for example from /proc/self/mountinfo)
- ignore autofs mountpoints where automounter has not been triggered yet

Fixes: https://github.com/karelzak/util-linux/issues/1463
Signed-off-by: Karel Zak <kzak@redhat.com>

su: reset RLIMIT_{NICE,RTPRIO} to zero

Addresses: https://github.com/linux-pam/linux-pam/issues/85
Reported-by: Lennart Poettering <lennart@poettering.net>
Signed-off-by: Karel Zak <kzak@redhat.com>

prlimit: improve --help output

Signed-off-by: Karel Zak <kzak@redhat.com>

more: POSIX compliance patch preventing exit on EOF without -e

[kzak@redhat.com: - merge all patches to one commit,
                  - improve prompt for non-tty stdin]

Signed-off-by: Karel Zak <kzak@redhat.com>

fallocate: add verbose messages

Addresses: https://bugzilla.redhat.com/show_bug.cgi?id=2003927
Signed-off-by: Karel Zak <kzak@redhat.com>

hardlink: use more passive wording in hardlink.1

And fix "same (basename)".

Signed-off-by: Eduard Bloch <blade@debian.org>

Let user choose larger buffers for IO reading

Simultaneous reading of multiple files through a small one-page buffer
is slow with classic HDDs. Let the user improve it by chosing buffers of
several mebibytes if needed.

[kzak@redhat.com: - tiny changes to coding style
                  - mark buffers static
                  - use xalloc.h]

Signed-off-by: Eduard Bloch <blade@debian.org>
Signed-off-by: Karel Zak <kzak@redhat.com>

setterm: (man) improve dosc about optional arguments

Fixes: https://github.com/karelzak/util-linux/issues/1457
Signed-off-by: Karel Zak <kzak@redhat.com>

meson: fix typo

Addresses: https://github.com/karelzak/util-linux/issues/1442
Signed-off-by: Karel Zak <kzak@redhat.com>

meson: make raw(7) optional

Fixes: https://github.com/karelzak/util-linux/issues/1442
Signed-off-by: Karel Zak <kzak@redhat.com>

test_mount_optstr: use xstrdup()

Fixes: https://github.com/karelzak/util-linux/issues/1434
Signed-off-by: Karel Zak <kzak@redhat.com>

lib/env: don't ignore failed malloc

Fixes: https://github.com/karelzak/util-linux/issues/1434
Signed-off-by: Karel Zak <kzak@redhat.com>

mkswap: support -U {clear,random,time,uuid}

Let's follow -U from mkfs.ext4 and make it easy to fully control
UUIDs for the swap area.

Fixes: https://github.com/karelzak/util-linux/issues/1453
Signed-off-by: Karel Zak <kzak@redhat.com>

Merge branch 'int/alex/hifive_uuid' of https://github.com/AlexGhiti/util-linux

* 'int/alex/hifive_uuid' of https://github.com/AlexGhiti/util-linux:
  include: Rename HiFive partition UUIDs

Merge branch 'master' of https://github.com/mariobl/util-linux

* 'master' of https://github.com/mariobl/util-linux:
  Man pages: Fix end extend formatting

mount: add hint about dmesg(8) to error messages

Fixes: https://github.com/karelzak/util-linux/pull/1444
Signed-off-by: Karel Zak <kzak@redhat.com>

include: Rename HiFive partition UUIDs

Both HiFive Unleashed and HiFive Unmatched bootloaders seek for the same
UUIDs to load the next stage bootloader: the current name makes partitions
on Unmatched board appear as 'Unleashed'.

Fix that by removing the 'Unleashed' part of the current naming so it
fits both.

Signed-off-by: Alexandre Ghiti <alexandre.ghiti@canonical.com>

Man pages: Fix end extend formatting

mount.8.adoc: fix misformatting

Signed-off-by: Karel Zak <kzak@redhat.com>

unshare.1.adoc: Improve wording re creation of bind mounts

Use consistent wording for the options that create
bind mounts, and improve the wording.

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>

unshare.1.adoc: Improve wording re namespace creation

The terminonoly "unshare the namespace" is not very helpful.
Instead, use wording that explains what these options actually
fo: "create a new namespace".

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>

github: add meson build target

Signed-off-by: Karel Zak <kzak@redhat.com>

Merge branch 'meson-fixes' of https://github.com/Hello71/util-linux

* 'meson-fixes' of https://github.com/Hello71/util-linux:
  meson: make asciidoc optional
  meson: fix building libsmartcols
  meson: fix building logger

dmesg: translate ctime strings

Let's make the date-time strings accessible for translators.

Fixes: https://github.com/karelzak/util-linux/issues/1451
Signed-off-by: Karel Zak <kzak@redhat.com>

logger: fix --prio-prefix doesn't use --priority default

The commit b9ef27f have added priority check, but it introduced
regression as the default priority (as specified by --priority) is
ignored.

This patch fixes this problem, but it also removes extra check for
"kern facility", it's unnecessary and inconsistent with the rest of
logger.

Fixes: https://github.com/karelzak/util-linux/issues/1450
Signed-off-by: Karel Zak <kzak@redhat.com>

logger: dealloc login name

Signed-off-by: Karel Zak <kzak@redhat.com>

Merge branch 'losetup-direct-dio' of https://github.com/Hello71/util-linux

* 'losetup-direct-dio' of https://github.com/Hello71/util-linux:
  losetup: directly set dio instead of afterwards

Merge branch 'more-shell-execution' of https://github.com/ritikrajdev/util-linux

* 'more-shell-execution' of https://github.com/ritikrajdev/util-linux:
  more - Bug Resolve - new line separated command execution

Merge branch 'refactor-tests' of https://github.com/Ajchler/util-linux

* 'refactor-tests' of https://github.com/Ajchler/util-linux:
  tests: use subtests
  tests: make use of subtests