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These wrappers have been replaced by direct calls
to vg_read() and find_lv() in previous commits.
This commit should have no functional impact since
all bits were already unreachable.
Previous patch incorrectly skipped replace of @LOCALEDIR@.
The standard option is --localedir so use --with-localedir
as backward compatible option and set localedir if it's not
yet been set (if the could ever happen).
Use double-eval to translate $datarootdir to $prefix to real dir.
Use CFG_DEFAULT_COMMENTED and CFG_DEFAULT_UNDEFINED to
replicate the existing comments in example.conf.
Fix host_list to be cfg_array.
UNDEFINED is only used if the value depends on other
system/kernel values outside of lvm. The most common
case is when dm-thin or dm-cache have built-in default
settings in the kernel, and lvm will use those built-in
default values unless the corresponding lvm config setting
is set.
COMMENTED is used to comment out the default setting in
lvm.conf. The effect is that if the LVM version is
upgraded, and the new version of LVM has new built-in
default values, the new defaults are used by LVM unless
the previous default value was set (uncommented) in lvm.conf.
Introduce new implmentation of dm_task_get_info() function
with support for reading internal_suspend.
.
This time it is done in a 'versioned' way.
We keep the old fashion dm_task_get_info(Base) to implement
the old behavior of 1.02.95 libdm code.
libdm version 1.02.96 introduced 'macro' wrapper
dm_task_get_info_with_deferred_remove with new implementation
of dm_task_get_info() - we cannot do anything else then to
provide compatible version of this symbol.
Now in version 1.02.97 we add new versioned implementation of
dm_task_get_info(DM_1_02_97) symbol.
This has the effect that i.e. rpm build will finaly resolve proper
dependency on a new symbol - so it will be no longer possible,
to build a new binary and use old library
(rpm -q --provides will show libdevmapper.so.1.02(DM_1_02_97)(64bit))
Also the history is now tracked. If a new function is added (or
reimplemented), it needs to be placed in proper file,
so it could be exported with right versioning symbol.
File .exported_symbols.Base should and any existing older DM
should be treated as read-only after a release.
Also - only libdm has been currently enhanced with versioned .Base
file, as soon as other libs (liblvm, libdevmapper-event) needs changes
they should also get their exported symbol files - meanwhile
make.tmpl handles both cases.
Configure provides proper settings for
use_lvmetad and use_lvmpolld conf setttings.
When the build of polld & lvmetad, these settings
are enabled by default unless explicitelly disabled
with --disable-use-lvmetad/--disable-use-lvmpolld.
This is an alternative/equivalent to commit
ca67cf84df
The problem (wrong label->dev after a new preferred
duplicate device is chosen) was isolated to the lvmetad
case (non-lvmetad worked fine), and this fixes the problem
by setting the new label->dev in the lvmetad-specific
code rather than in the general lvmcache code.
In process_each_{vg,lv,pv} when no vgname args are given,
the first step is to get a list of all vgid/vgname on the
system. This is exactly what lvmetad returns from a
vg_list request. The current code is doing a vg_lookup
on each VG after the vg_list and populating lvmcache with
the info for each VG. These preliminary vg_lookup's are
unnecessary, because they will be done again when the
processing functions call vg_read. This patch eliminates
the initial round of vg_lookup's, which can roughly cut in
half the number of lvmetad requests and save a lot of extra work.
Use 64bit arithmentic for PV size calculation (Coverity).
Also remove sector shift for compared PV size, since all
values are already held in sectors.
This fixes validatio of PV size when restoring PV
from vg metadata backup file.
Synopsis: STR_LIST needs to be treated as STR for properties.
For any lvm property that was internally 'typed' as a string list we were failing
to return a string in the property API. This was due to the fact that for the
properties to work the value needs to either be evaulated as a string or a
number. This change corrects the macro used to build the memory array of
structures so that the string bitfield is set as needed to ensure that the value
is a string.
https://bugzilla.redhat.com/show_bug.cgi?id=1139920
Signed-off-by: Tony Asleson <tasleson@redhat.com>
Currently lvm2app properties have the following structure:
typedef struct lvm_property_value {
uint32_t is_settable:1;
uint32_t is_string:1;
uint32_t is_integer:1;
uint32_t is_valid:1;
uint32_t padding:28;
union {
const char *string;
uint64_t integer;
} value;
} lvm_property_value_t;
which assumes that numerical values were in the range of 0 to 2**64-1. However,
some of the properties were 'signed', like LV major/minor numbers and some
reserved values for properties that represent percentages. Thus when the
values were retrieved they were in two's complement notation. So for a -1
major number the API user would get a value of 18446744073709551615. The
API user could cast the returned value to an int64_t to handle this, but that
requires the API developer to look at the source code and determine when it
should be done.
This change modifies the return property structure to:
typedef struct lvm_property_value {
uint32_t is_settable:1;
uint32_t is_string:1;
uint32_t is_integer:1;
uint32_t is_valid:1;
uint32_t is_signed:1;
uint32_t padding:27;
union {
const char *string;
uint64_t integer;
int64_t signed_integer;
} value;
} lvm_property_value_t;
With this addition the API user can interrogate that the value is numerical,
(is_integer = 1) and subsequently check if it's signed (is_signed = 1) too.
If signed, then the API developer should use the union's signed_integer to
avoid casting.
This change maintains backwards compatibility as the structure size remains
unchanged and integer value remains unchanged. Only the additional bit
taken from the pad is utilized.
Bugzilla reference:
https://bugzilla.redhat.com/show_bug.cgi?id=838257
Signed-off-by: Tony Asleson <tasleson@redhat.com>
When kernel target reports sync status as 0% it might as well mean
it's 100% in sync, just the target is in some race inconsistent
state - so reread once again and take a more optimistic value ;)
Patch tries to work around:
https://bugzilla.redhat.com/show_bug.cgi?id=1210637
This patch adds supporting code for handling deprecated settings.
Deprecated settings are not displayed by default in lvmconfig output
(except for --type current and --type diff). There's a new
"--showdeprecated" lvmconfig option to display them if needed.
Also, when using lvmconfig --withcomments, the comments with info
about deprecation are displayed for deprecated settings and with
lvmconfig --withversions, the version in which the setting was
deprecated is displayed in addition to the version of introduction.
If using --atversion with a version that is lower than the one
in which the setting was deprecated, the setting is then considered
as not deprecated (simply because at that version it was not
deprecated).
For example:
$ lvmconfig --type default activation
activation {
...
raid_region_size=512
...
}
$ lvmconfig --type default activation --showdeprecated
activation {
...
mirror_region_size=512
raid_region_size=512
...
}
$ lvmconfig --type default activation --showdeprecated --withversions
activation {
...
# Available since version 1.0.0.
# Deprecated since version 2.2.99.
mirror_region_size=512
# Available since version 2.2.99.
raid_region_size=512
...
}
$ lvmconfig --type default activation --showdeprecated --withcomments
activation {
...
# Configuration option activation/mirror_region_size.
# This has been replaced by the activation/raid_region_size
# setting.
# Size (in KB) of each copy operation when mirroring.
# This configuration option is deprecated.
mirror_region_size=512
# Configuration option activation/raid_region_size.
# Size in KiB of each raid or mirror synchronization region.
# For raid or mirror segment types, this is the amount of
# data that is copied at once when initializing, or moved
# at once by pvmove.
raid_region_size=512
...
}
$ lvmconfig --type default activation --withcomments --atversion 2.2.98
activation {
...
# Configuration option activation/mirror_region_size.
# Size (in KB) of each copy operation when mirroring.
mirror_region_size=512
...
}
