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Commit Graph

18 Commits

Author SHA1 Message Date
Zdenek Kabelac
5e060b8fa7 vdo: support --vdosettings
Allow to use --vdosettings with lvcreate,lvconvert,lvchange.
Support settings currenly only configurable via lvm.conf.
With lvchange we require inactivate LV for changes to be applied.

Settings block_map_era_length has supported alias block_map_period.
2022-05-03 19:09:52 +02:00
Zdenek Kabelac
79427151dc vdo: add support for auto-unsafe writePolicy
This vdoWritePolicy policy missed matching support in lvm2.
2021-09-06 15:19:51 +02:00
Zdenek Kabelac
9d8a028e8c vdo: keep minimum_io_size in sectors 2019-10-04 17:31:55 +02:00
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
3320ab8334 lib: move towards v2 version of VDO format
Drop very old original format of VDO target and focus on V2 version.
So some variables were renamed or replaced.
There is no compatibility preserved (with assumption so far this is
experimental feature and there is no real user).

Note - version currently VDO calls this version 6.2.
2018-12-20 13:26:55 +01:00
Zdenek Kabelac
9785e40b8d dmeventd: resolve compilation of vdo status parsing
A bit of chicken & egg problem - dmeventd needs to use old libdm library.
VDO is only part of new device_mapper internal library.

So include directly source file for parsing status - this fixes usability
problem of VDO plugin introduced with previous Makefile reshaping
patchset.

NOTE: source file needs to be keep then compilable in both environments.

Also add missing copyright header.
2018-12-20 13:26:55 +01:00
Zdenek Kabelac
c61c4271a4 device_mapper: fix incorrect dm_strncpy usage
Patch 668c9d0762 introduced regression,
since the code here would actually always return failing result.
Replace it with more simple call to strndup().
2018-12-01 01:04:27 +01:00
Zdenek Kabelac
43e4bfe428 cov: ignore error of vsnprintf 2018-10-15 17:49:44 +02:00
Zdenek Kabelac
668c9d0762 cov: check dm_strncpy result 2018-10-15 17:49:44 +02:00
Zdenek Kabelac
a7298810d1 cov: fix typo
Avoid double assing same value.
2018-10-15 17:49:44 +02:00
Zdenek Kabelac
d8a41f22e9 device_mapper: basic support for vdo dm target 2018-07-09 15:28:35 +02:00
Zdenek Kabelac
0d9a4c6989 lib: new vdo segment configurable options
Configurable for vdo segment with their default values.
Also specify their ranges with minimal and maximal values.
2018-07-09 15:28:35 +02:00
Zdenek Kabelac
9b6b4f14d8 device_mapper: convert vdo to use dm_ prefix
Keep using DM_/dm_ prefixes for device_mapper code.
2018-07-09 10:30:34 +02:00
Zdenek Kabelac
5cf0923e18 vdo: fix parsing vdo status
Recent updates relay on zerod status structure memory (device ptr is
NULL) and also dm_strncpy need to count with '\0'.
2018-07-09 10:30:34 +02:00
Zdenek Kabelac
c96400b6c7 vdo: enhance status parser
Add support for using mempool for allocations inside status parser.
Convert some string pointers to arrays.
Reindent tabs.
2018-07-02 10:25:35 +02:00
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
286c1ba336 device_mapper: rename libdevmapper.h -> all.h
I'm paranoid a file will include the global one in /usr/include
by accident.
2018-06-08 12:31:45 +01:00
Joe Thornber
ccc35e2647 device-mapper: Fork libdm internally.
The device-mapper directory now holds a copy of libdm source.  At
the moment this code is identical to libdm.  Over time code will
migrate out to appropriate places (see doc/refactoring.txt).

The libdm directory still exists, and contains the source for the
libdevmapper shared library, which we will continue to ship (though
not neccessarily update).

All code using libdm should now use the version in device-mapper.
2018-05-16 13:00:50 +01:00