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Reuse existing report/headings config setting to make it possible to
change the type of headings to display:
0 - no headings
1 - column name abbreviations (default and original functionality)
2 - full column names (column names are equal to exact names that
-o|--options also accepts to set report output)
Also, add '--headings none|abbrev|full|0|1|2' command line option
so we are able to select the heading type for each LVM reporting
command directly.
We incorrectly marked pv_major and pv_minor fields as being of string
type, even though the values were already correctly handled as integers
internally. This confused -S|--select that tried to compare string
values instead of integers.
Reported here: https://github.com/lvmteam/lvm2/issues/122
If we are executing 'report_for_selection' to do an internal report
just for the selection itself (not for display), we can call it more
than once. In that case, we are reusing the same selection handle
(e.g. inside 'process_each_lv_in_vg').
The selection handle has 'report_type' field which is a union of all
report types needed for the report based on selection fields we actually
use.
The 'report_type' is further clarified based on checks and rules inside
'_get_final_report_type' which 'report_for_selection' calls. Then, this
final report type unambiguously identifies proper branch to take in
'report_all_in_{pv,vg,lv}' that is called next.
If the 'report_for_selection' is called more than once with the same
selection handle, we need to make sure that we always restore the report
type to its initial value, so all the rules inside 'report_for_selection'
are applied correctly next time.
This patch fixes the missing restoration of the 'report_type' value in
'selection_handle' that is reused for recurring 'report_for_selection'
calls.
An example scenario where this failed was with selecting an LV for
removal with "lvremove --select" while using a field in the selection
that required extra DM info or DM status call for the LV (that is,
"Logical Volume Device Info Fields" and "Logical Volume Device Status Fields"
as visible in 'lvs -S help').
When we are using -S|--select for non-reporting tools while using command log
reporting (log/report_command_log=1 setting), we need to create an internal
processing handle to handle the selection itself. In this case, the internal
processing handle to execute the selection (to process the -S|--select) has
a parent handle (that is processing the actual non-reporting command).
When this parent handle exists, we can't destroy the command log report
in destroy_processing_handle as there's still the parent processing to
finish. The parent processing may still generate logs which need to be
reported in the command log report. If the command log report was
destroyed prematurely together with destroying the internal processing
handle for -S|--select, then any subsequent log request from processing
the actual command (and hence an attermpt to access the command log report)
ended up with a segfault.
See also: https://bugzilla.redhat.com/show_bug.cgi?id=2175220
Since 67722b3123, we have a new mechanism
to run the autoactivation from udev. With this change, we also replaced
the way the LVM autoactivation service is instantiatiated - instead of
setting the SYSTEM_WANTS udev variable (which systemd read and then
instantiated the service), we're now directly instantiating the
transient 'lvm-activate-<vgname>' service by calling systemd-run.
As such, we don't need to bother with setting the SYSTEMD_READY variable
for foreign devices anymore (in this case, MD and loop devices on top of
which there's a PV).
Before, we set the SYSTEMD_READY variable to make sure that the SYSTEMD_WANTS
is applied correctly - the service instantiation was edge-triggered by
flipping the SYSTEMD_READY from 0 to 1 and at the same time having the
SYSTEMD_WANTS variable set to the service name to instantiate. We're
using systemd-run now so this condition does not apply anymore.
Also, it was not completely correct to set SYSTEMD_READY for foreign
devices because there might be cases where this could cause issues,
see also https://github.com/lvmteam/lvm2/issues/94.
When activating origin and its thick snapshots, ensure the
origin's LV udev processing is finished first and after this
reactivate its snapshot so the udev can scan them afterwards.
This should fix the problems for users using UUID of such device
in their fstab and occasionaly mounted snapshot instead of origin LV.
Enhance checking vdo constains so it also handles changes of active VDO LVs
where only added difference is considered now.
For this also the reported informational message about used memory
was improved to only list consuming RAM blocks.
When executing process_each_lv_in_vg, we process live LVs first and
after that, we process any historical LVs. In case we have just removed
an LV, which also means we have just made it "historical" and so it
appears as fresh item in vg->historical_lvs list, we have to skip it
when we get to processing historical LVs inside the same process_each_lv_in_vg
call.
The simplest approach here, without introducing another LV list, is to
simply mark such historical LVs as "fresh" directly in struct
historical_logical_volume when we have just removed the original LV
and created the historical LV for it. Then, we just need to check the
flag when processing historical LVs and skip it if it is "fresh".
When we read historical LVs out of metadata, they are marked as
"not fresh" and so they can be processed as usual.
This was mainly an issue in conjuction with -S|--select use:
# lvmconfig --type diff
metadata {
record_lvs_history=1
}
(In this example, a thin pool with lvol1 thin LV and lvol2 and lvol3 snapshots.)
# lvs -H vg -o name,pool_lv,full_ancestors,full_descendants
LV Pool FAncestors FDescendants
lvol1 pool lvol2,lvol3
lvol2 pool lvol1 lvol3
lvol3 pool lvol2,lvol1
pool
# lvremove -S 'name=lvol2'
Logical volume "lvol2" successfully removed.
Historical logical volume "lvol2" successfully removed.
...here, the historical LV lvol2 should not have been removed because
we have just removed its original non-historical lvol2 and the fresh
historical lvol2 must not be included in the same processing spree.
Fix lv_active to be of BIN type instead of STR. This allows lv_active to
follow the report/binary_values_as_numeric setting as well as --binary
cmd line switch. Also, it makes it possible to use -S|--select with
either textual or numeric representation of the value, like 'lvs -S
active=active' but also 'lvs -S active=1'.
Certain args can't be used in lvm shell ("interactive mode") because
they are not supported there. Add ARG_NONINTERACTIVE flag to mark
such args and error out if we're in interactive mode and at the same
time we detect use of such argument.
Currently, this is the case for --reportformat arg - we don't support
changing the format per command in lvm shell. The whole shell is running
under a reportformat chosen at shell's start.
If we failed or logged anything before we actually execute given command
in lvm shell, we couldn't report the log using lastlog command after.
This patch adds specific 'pre-cmd' log report object type to identify
such log messages and enables lastlog to report even this log.
When the volume size is extended, there is no need to flush
IO operations (nothing can be targeting new space yet).
VDO target is supported as target that can safely work with
this condition.
Such support is also needed, when extending VDOPOOL size
while the pool is reaching its capacity - since this allows
to continue working without reaching 'out-of-space' condition
due to flushing of all in flight IO.
The new --valuesonly option causes the lvmconfig output to contain only
values without keys for each config node. This is practical mainly in
case where we use lvmconfig in scripts and we want to assign the value
to a different custom key or simply output the value itself without the
key.
For example:
# lvmconfig --type full activation/raid_fault_policy
raid_fault_policy="warn"
# lvmconfig --type full activation/raid_fault_policy --valuesonly
"warn"
# my_var=$(lvmconfig --type full activation/raid_fault_policy --valuesonly)
# echo $my_var
"warn"
Update to more recent version of configure script to support more
new architecture types like RISCV64. Tools in use ATM:
autoconf-2.71-3.fc37.noarch
autoconf-archive-2022.02.11-3.fc37.noarch
automake-1.16.5-9.fc37.noarch
Resolves https://bugzilla.redhat.com/show_bug.cgi?id=2118243
