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Commit Graph

13 Commits

Author SHA1 Message Date
Zdenek Kabelac
18aa541ca2 configure: avoid repeative inclusion of configure.h
Since configure.h is a generated header and it's missing traditional
ifdefs preambule - it can be included & parsed multiple times.
Normally compiler is fine when defines have same value and there is
no warning - yet we don't need to parse this several times
and by adding -include  directive we can ensure every file
in the package is rightly compile with configure.h as the
first header file.
2018-12-21 19:19:50 +01:00
Zdenek Kabelac
0dc7abe013 makefiles: dm-tools improve Makefile 2018-12-17 10:55:20 +01:00
Zdenek Kabelac
c666e8d25e dmfilemapd: avoid linking with DL_LIBS
Dmfilemapd is not using dlopen so doesn't need to be linked with
DL_LIBS.
2018-12-14 22:27:33 +01:00
Zdenek Kabelac
0b19387dae headers: use configure.h as 1st. header
Ensure configure.h is always 1st. included header.
Maybe we could eventually introduce gcc -include option, but for now
this better uses dependency tracking.

Also move _REENTRANT and _GNU_SOURCE into configure.h so it
doesn't need to be present in various source files.
This ensures consistent compilation of headers like stdio.h since
it may produce different declaration.
2018-12-14 15:09:13 +01:00
Zdenek Kabelac
ceb2f0ad3b makefiles: updates for less verbosity 2018-11-29 23:05:43 +01:00
Zdenek Kabelac
70e3d0a613 cov: remove unused assigns 2018-11-05 17:25:11 +01:00
Zdenek Kabelac
a91ac41b93 cov: hide intentionaly ptr arithmetic report
Only single region count is ever replaced with on-stack uint64_t.
2018-11-03 16:10:32 +01:00
Bryn M. Reeves
925aaf0b87 dmsetup: fix stats report command output
Since the stats handle is neither bound nor listed before the
attempt to call dm_stats_get_nr_regions(), it will always return
zero: this prevents reporting of any dmstats regions on any
device.

Remove the dm_stats_get_nr_regions() check and instead rely on
the correct return status from dm_stats_populate() which only
returns 0 in the case that there are regions to inspect (and
which logs a specific error for all other cases).

Reported-by: Bryan Gurney <bgurney@redhat.com>
2018-11-01 17:00:06 +00:00
Zdenek Kabelac
9b71212262 cov: dmstats check for failing malloc
Add missing check for allocation success.
2018-10-15 17:49:44 +02:00
Bryn M. Reeves
29b9ccd261 dmsetup: fix error propagation in _display_info_cols()
Commit 3f35146 added a check on the value returned by the
_display_info_cols() function:

  1024         if (!_switches[COLS_ARG])
  1025                 _display_info_long(dmt, &info);
  1026         else
  1027                 r = _display_info_cols(dmt, &info);
  1028
  1029         return r;

This exposes a bug in the dmstats code in _display_info_cols:
the fact that a device has no regions is explicitly not an error
(and is documented as such in the code), but since the return
code is not changed before leaving the function it is now treated
as an error leading to:

  # dmstats list
  Command failed.

When no regions exist.

Set the return code to the correct value before returning.
2018-06-28 14:25:30 +01:00
Zdenek Kabelac
c728d88e11 build: include configure.h
It's important to consistenly include  configure.h as the 1st. header.
It containts #defines influencing behavior of other included header
files.
2018-06-22 23:11:44 +02:00
Joe Thornber
fededfbbbc dmfilemapd: Move to libdm/dm-tools
No longer uses any lvm code.
2018-06-14 14:27:19 +01:00
Joe Thornber
0524829af6 dmsetup: move to libdm/dm-tools/dmsetup
links against libdevmapper again.
no longer includes code from lvm.
2018-06-14 13:10:17 +01:00