The old implementation uses /proc/partitions where devices are
filtered by kernel (missing devices with ext_range=1 and removable
devices).
The problem with the old implementation is whole-disk heuristic based
on device name, order of devices, etc.
The new implementation use the same code to read also removable
devices.
Addresses: https://github.com/karelzak/util-linux/issues/1151
Signed-off-by: Karel Zak <kzak@redhat.com>
The library is not distributed and almost all code in this ar(1)
archive is Public Domain or LGPL ... but let's avoid any doubts and do
not mix non-GPL and GPL code there.
Addresses: https://github.com/karelzak/util-linux/issues/1157
Signed-off-by: Karel Zak <kzak@redhat.com>
It's was originally GPL, but all the current code in the file is from
me and I don't think it makes sense to use GPL here anymore. We need
to use lib/ files in LGPL as well as in GPL binaries, etc. Let's makes
things (build-system) less complicated.
Signed-off-by: Karel Zak <kzak@redhat.com>
The goal is to use it in libmount when generate options strings
and in libsmartcols to replace libscols_buffer.
Signed-off-by: Karel Zak <kzak@redhat.com>
The recent change in code improves main-pool on error, but we need
to kill child process if it still running to avoid hang up in next
waitpid().
Signed-off-by: Karel Zak <kzak@redhat.com>
Handle error based on return code of handle_io() and handle_signal().
Keep SIGTTIN unblocked during read() in handle_io().
Signed-off-by: Soumendra Ganguly <soumendraganguly@gmail.com>
* do not ignore all empty devices, we need more smart solution
* ignore only loop devices without backing file, for example:
# touch img
# losetup -f img
losetup: img: Warning: file is smaller than 512 bytes; the loop device may be useless or invisible for system tools.
- old version display nothing
- new version:
# lsblk /dev/loop0
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
loop0 7:0 0 0B 0 loop
Addresses: https://github.com/karelzak/util-linux/issues/1118
Signed-off-by: Karel Zak <kzak@redhat.com>
Permanently turn off current stdin ECHO when it is a terminal and enable setting slave ECHO instead.
Fix other minor typos, update documentation.
[kzak@redhat.com: - remove irrelevant changes
- keep --echo argument unchanged]
Signed-off-by: Karel Zak <kzak@redhat.com>
Timestamps in kernel log comes from monotonic clocksource which does not
tick when system suspended. Suspended time easily sums into hours and days
rendering human readable timestamps in dmesg useless.
Adjusting timestamps accouring to current delta between boottime and
monotonic clocksources produces accurate timestamps for messages printed
since last resume. Which are supposed to be most interesting.
Signed-off-by: Konstantin Khlebnikov <khlebnikov@yandex-team.ru>
All simple function to parse --lock <mode> and $LOCK_BLOCK_DEVICE,
and to flock the fd.
The supported <mode> is:
"1" or "yes" - LOCK_EX
"0" or "no" - do nothing
"nonblock" - LOCK_EX | LOCK_NB
The function tries LOCK_NB before the solo LOCK_EX and prints
inform user that it will wait, for example:
session A:
# sfdisk --lock /dev/sdc
session B:
# sfdisk --lock /dev/sdc
sfdisk: /dev/sdc: device already locked, waiting to get lock ...
^C
# sfdisk --lock=nonblock /dev/sdc
sfdisk: /dev/sdc: device already locked
Addresses: https://github.com/karelzak/util-linux/issues/921
Signed-off-by: Karel Zak <kzak@redhat.com>
There is value in ensuring that manual page sections use consistently
named sections, as far as possible, and also that sections have a
consistent order within manual pages. This is one of a series of patches
to place manual page sections in a consistent order.
In this patch, we ensure that the ENVIRONMENT, FILES, and CONFORMING TO
sections are always placed toward the end of the page, just above NOTES.
One page is not fixed by this patch: term-utils/agetty.8. This page
is a mess of unusual section names, and probably requires an individual
edit.
Testing that no gross editing mistake (causing accidental loss or addition
of text) was performed as follows:
$ cat $(grep '\.SH' -l $(find . -name '*.[1-9]') |sort) | sort > a
[Apply patch]
$ cat $(grep '\.SH' -l $(find . -name '*.[1-9]') |sort) | sort > b
$ diff a b
$ echo $?
0
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
There is value in ensuring that manual page sections use consistently
named sections, as far as possible, and also that sections have a
consistent order within manual pages. This is one of a series of patches
to place manual page sections in a consistent order.
In this patch, we ensure that the NOTES, HISTORY, BUGS, and EXAMPLE
sections are always placed near the end of the page, just above
AUTHORS, COPYRIGHT, SEE ALSO, and AVAILABILITY.
One page is not fixed by this patch: term-utils/agetty.8. This page
is a mess of unusual section names, and probably requires an individual
edit.
Testing that no gross editing mistake (causing accidental loss or addition
of text) was performed as follows:
$ cat $(grep '\.SH' -l $(find . -name '*.[1-9]') |sort) | sort > a
[Apply patch]
$ cat $(grep '\.SH' -l $(find . -name '*.[1-9]') |sort) | sort > b
$ diff a b
$ echo $?
0
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
There is quite some value (in terms of readability and user
expectations) if consistent names are used for the sections
within manual pages. This patch is one of a series to bring
about this consistency.
Currently we have EXAMPLE (10) or EXAMPLES (23).
Let's standardize on the EXAMPLE (which is also what is
suggested in man-pages(7)) and used consistently across
a large number of pages in the Linux man-pages project.
(I realize the choice to go EXAMPLE, rather than EXAMPLES,
may be debatable. If necessary, I'd write a patch that instead
goes the other way, but I'd prefer to follow man-pages(7).)
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
Using double quotes in .SH lines containing multiple words is unneeded,
and in any case is not consistently done in the util-linux manual pages,
where double quotes are used in only around half of the cases.
(This usage was long ago elminated in the man-pages project, with
no ill effects reported to date.)
Remove these quotes, so that .SH lines are more uniform, in preparation
for some (more easily) scripted doiscovery of consistency problems in
(and possibly global fixes to) the manual pages.
Other than stripping the double quotes, this patch makes no changes to
the content of the manual pages.
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
For example
./test_strutils --size '1.0000000000000000000000000000018000000000000000010M'
./test_strutils --size '1.18446744073709551615M'
ends with infinite loop due to frac_div variable overflow.
Addresses: https://github.com/karelzak/util-linux/issues/1023
Signed-off-by: Karel Zak <kzak@redhat.com>
Lsblk throws the following error for nvmeNcXnY devices.
lsblk: nvme1c1n1: unknown device name
This is because nvmeNcXnY devices are hidden and do not have
the file /sys/block/<nvmeNcXnY>/dev.
Following patch was added
https://git.kernel.org/pub/scm/utils/util-linux/util-linux.git/commit/?id=d51f05bfecb299a830897106460bf395be440c0a
Which made lsblk read from /sys/block/<nvmeNcXnY>/device/dev
which do exist for nvmeNcXnY devices.
After the above patch, the unknown error goes away.
However, another error is encountered in the very next step.
nvme1c1n1: failed to initialize sysfs handler
This is because lsblk looks for /sys/dev/block/242:1
(nvmeNcXnY major:minor) pathname which usually exists for other
block devices but not for the nvmeNcXnY devices as they are hidden.
Below patch does not even print this error for hidden devices
and exits silently.
[kzak@redhat.com: - add prefix to make sysfs_devname_is_hidden()
usable for /sys dumps
- use the function in initialize_device() more early]
Signed-off-by: Ritika Srivastava <ritika.srivastava@oracle.com>
Signed-off-by: Karel Zak <kzak@redhat.com>
We already have mbs_safe_nwidth() but it assumes that all "bad" chars
will be encoded by \x<hex>. Now we need also function that do not care
about encoding.
Signed-off-by: Karel Zak <kzak@redhat.com>
* 'map-user' of https://github.com/mat8913/util-linux:
unshare: Support names for map-user/group options
lib/pwdutils: add xgetgrnam
unshare: allow custom uid/gid mappings in userns
Karel Zak
Sinan Kaya
Soumendra Ganguly
Soumendra Ganguly
Yuri Chornoivan
Konstantin Khlebnikov
Michael Kerrisk (man-pages)
Ritika Srivastava
Rosen Penev
Matthew Harm Bekkema
Sami Kerola
Zbigniew Jędrzejewski-Szmek