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Avoid linking internal device-mapper and link dynamically libdevmapper.
This considerably reduced size of installed binaries.
(cherry picked from commit 8bf445b2de)
Since dmeventd is 'libdm' based project, it needs to link
libdm library instead of its internal version
An external users may provide plugins loadeable by dmeventd.
So external user of libdevmapper-event library has no other option
then to link with released libdevmapper library.
The complexity comes with lvm2 plugins.
The lvm2 plugin itself uses internal version of device_mapper,
but libdevmapper-event usage is libdm based - so there needs to be avoided
any breakage on compatibility of internal i.e. dm_task_run structures.
TODO: most likely dmeventd itself should be moved into libdm/dm-tools dir,
and only lvm2 plugins should be created as part of lvm project,
but those still need to link with libdevmapper.
(cherry picked from commit 035a7b9a4b)
If we don't know the meaning we will return the key with default text
instead of raising an exception and taking the daemon out in the
process.
Resolves: rhbz1657950
(cherry picked from commit 51f08efaa7)
When we get bug reports we may not get the entire log, so lets
dump the fight recorder from newest to oldest as the one we
are interested in was likely to be the last command run.
(cherry picked from commit f1684bf8e8)
Scenario: Given an existed LV `lvol0`, I want to create another LV
on the PVs used by `lvol0`.
I use `build_parallel_areas_from_lv()` to obtain the `pv_list` of each segments.
However, the returned `pv_list` is not properly initialized, which causes
segfault in subsequent operations.
(cherry picked from commit 859feb81e5)
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.
(cherry picked from commit 0b19387dae)
Conflicts:
include/configure.h.in
When preparing ioctl buffer and flatting all parameters,
add table parameters only to ioctl that do process them.
Note: list of ioctl should be kept in sync with kernel code.
(cherry picked from commit 43f8da7699)
DM_DEVICE_CREATE with table is doing several ioctl operations,
however only some of then takes parameters.
Since _create_and_load_v4() reused already existing dm task from
DM_DEVICE_RELOAD it has also kept passing its table parameters
to DM_DEVICE_RESUME ioctl - but this ioctl is supposed to not take
any argument and thus there is no wiping of passed data - and
since kernel returns buffer and shortens dmi->data_size accordingly,
anything past returned data size remained uncleared in zfree()
function.
This has problem if the user used dm_task_secure_data (i.e. cryptsetup),
as in this case binary expact secured data are erased from main memory
after use, but they may have been left in place.
This patch is also closing the possible hole for error path,
which also reuse same dm task structure for DM_DEVICE_REMOVE.
(cherry picked from commit 10e191fd12)
There's a small window during creation of a new RaidLV when
rmeta SubLVs are made visible to wipe them in order to prevent
erroneous discovery of stale RAID metadata. In case a crash
prevents the SubLVs from being committed hidden after such
wiping, the RaidLV can still be activated with the SubLVs visible.
During deactivation though, a deadlock occurs because the visible
SubLVs are deactivated before the RaidLV.
The patch adds _check_raid_sublvs to the raid validation in merge.c,
an activation check to activate.c (paranoid, because the merge.c check
will prevent activation in case of visible SubLVs) and shares the
existing wiping function _clear_lvs in raid_manip.c moved to lv_manip.c
and renamed to activate_and_wipe_lvlist to remove code duplication.
Whilst on it, introduce activate_and_wipe_lv to share with
(lvconvert|lvchange).c.
Resolves: rhbz1633167
In RHEL7 we marked mirrored mirror logs as deprecated and
added a related message. This patch prohibits creating new
'mirror' LVs with that log type or converting existing LVs
to have one.
Existing LVs with mirrored mirror log can be activated
and converted to disk/core logs.
Avoid double deprecation message when running lvconvert.
Resolves: rhbz1643562
Patch 668c9d0762 introduced regression,
since the code here would actually always return failing result.
Replace it with more simple call to strndup().
