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Also respect --binary arg and/or report/binary_values_as_numeric
when displaying unknown values. If textual form is used, use "unknown",
if numeric value is used, use "-1" (which we already use to denote
unknown numeric values in other reports like lv_kernel_major and
lv_kernel_minor).
This avoids creating void matchers which have no effect anyway and
they just use resources. Also, it makes lvm dumpconfig --type diff
to mark these settings properly as not being different from defaults
(where by default, devices/preferred_names as well as devices/filter
are void).
Also, add a few comments about builtin rules used to select device
alias in case preferred_names is not defined or it doesn't match
any of device aliases.
There was missing lv_info call for situations where there were
mixed PV/LV segment fields together with LVSINFO fields which
require extra lv_info call for LV device status. This ended up
with NULL lvinfo passed to the field reporting functions, hence
the segfault.
All binary attr fields have synonyms so selection criteria can use
either 0/1 or words to match against the field value (base type
for these binary fields is numeric one - DM_REPORT_FIELD_TYPE_NUMBER
so words are registered as reserved values):
pv_allocatable - "allocatable"
pv_exported - "exported"
pv_missing - "missing"
vg_extendable - "extendable"
vg_exported - "exported"
vg_partial - "partial"
vg_clustered - "clustered"
lv_initial_image_sync - "initial image sync", "sync"
lv_image_synced_names - "image synced", "synced"
lv_merging_names - "merging"
lv_converting_names - "converting"
lv_allocation_locked - "allocation locked", "locked"
lv_fixed_minor - "fixed minor", "fixed"
lv_merge_failed - "merge failed", "failed"
For example, these three are all equivalent:
$ lvs -o name,fixed_minor -S 'fixed_minor=fixed'
LV FixMin
lvol8 fixed minor
$ lvs -o name,fixed_minor -S 'fixed_minor="fixed minor"'
LV FixMin
lvol8 fixed minor
$ lvs -o name,fixed_minor -S 'fixed_minor=1'
LV FixMin
lvol8 fixed minor
The same with binary output - it has no effect on this functionality:
$ lvs -o name,fixed_minor --binary -S 'fixed_minor=fixed'
LV FixMin
lvol8 1
$ lvs -o name,fixed_minor --binary -S 'fixed_minor="fixed
minor"'
LV FixMin
lvol8 1
[1] f20/~ # lvs -o name,fixed_minor --binary -S 'fixed_minor=1'
LV FixMin
lvol8 1
In contrast to per-type reserved values that are applied for all fields
of that type, per-field reserved values are only applied for concrete
field only.
Also add 'struct dm_report_field_reserved_value' to libdm for per-field
reserved value definition. This is defined by field number (an index
in the 'fields' array which is given for the dm_report_init_with_selection
function during report initialization) and the value to use for any
of the specified reserved names.
The --binary option, if used, causes all the binary values reported
in reporting commands to be displayed as "0" or "1" instead of descriptive
literal values (value "unknown" is still used for values that could not be
determined).
Also, add report/binary_values_as_numeric lvm.conf option with the same
functionality as the --binary option (the --binary option prevails
if both --binary cmd option and report/binary_values_as_numeric lvm.conf
option is used at the same time). The report/binary_values_as_numeric is
also profilable.
This makes it easier to use and check lvm reporting command output in scripts.
Physical Volume Fields:
pv_allocatable - Whether this device can be used for allocation.
pv_exported - Whether this device is exported.
pv_missing - Whether this device is missing in system.
Volume Group Fields:
vg_permissions - VG permissions.
vg_extendable - Whether VG is extendable.
vg_exported - Whether VG is exported.
vg_partial - Whether VG is partial.
vg_allocation_policy - VG allocation policy.
vg_clustered - Whether VG is clustered.
Logical Volume Fields:
lv_volume_type - LV volume type.
lv_initial_image_sync - Whether mirror/RAID images underwent initial resynchronization.
lv_image_synced - Whether mirror/RAID image is synchronized.
lv_merging - Whether snapshot LV is being merged to origin.
lv_converting - Whether LV is being converted.
lv_allocation_policy - LV allocation policy.
lv_allocation_locked - Whether LV is locked against allocation changes.
lv_fixed_minor - Whether LV has fixed minor number assigned.
lv_merge_failed - Whether snapshot merge failed.
lv_snapshot_invalid - Whether snapshot LV is invalid.
lv_target_type - Kernel target type the LV is related to.
lv_health_status - LV health status.
lv_skip_activation - Whether LV is skipped on activation.
Logical Volume Info Fields
lv_permissions - LV permissions.
lv_suspended - Whether LV is suspended.
lv_live_table - Whether LV has live table present.
lv_inactive_table - Whether LV has inactive table present.
lv_device_open - Whether LV device is open.
LVSINFO is exactly the same as existing LVS report type,
but it has the "struct lvinfo" populated in addition for
use - this is useful for fields that display the status
of the LV device itself (e.g. suspended state, tables
present/missing...).
Currently, such properties are reported within the "lv_attr"
field so separation is unnecessary - the "lvinfo" call
to populate the "struct lvinfo" is directly a part of the
field reporting function - _lvstatus_disp/lv_attr_dup.
With upcoming patches, we'd like the lv_attr field bits
to be separated into their own fields. To avoid calling
"lvinfo" fn as many times as there are fields requiring
the "lv_info" structure to be populated while reporting
one row related to one LV, we're separating former LVS
into LVS and LVSINFO report type. With this, there's
just one "lvinfo" call for one report row and LV reporting
fields will take the info needed from this struct then,
hence reusing it and not calling "lvinfo" fn on their own.
The get_lv_type_name helps with translating volume type
to human readable form (can be used in reports or
various messages if needed).
The lv_is_linear and lv_is_striped complete the set of
lv_is_* functions that identify exact volume types.
Mention parent LV as well as the LV triggering the warning.
Still leaves some confusing cases but its not worth fixing them
at the moment.
(Thin pool inactive but a thin volume active => deactivate thin vol.
Inactive mirror/raid with pvmove in progress => complete pvmove and
active&deactivate mirror/raid.
If new VG already exists it requires some LVs to be inactive
unnecessarily.)
Support remove of thin volumes With --force --force
when thin pools is damaged.
This way it's possible to remove thin pool with
unrepairable metadata without requiring to
manually edit lvm2 metadata.
lvremove -ff vg/pool
removes all thin volumes and pool even when
thin pool cannot be activated (to accept
removal of thin volumes in kernel metadata)
mirror_or_raid_type_requested really checks for mirror type.
Convert macros mirror_or_raid_type_requested() and
snapshot_type_requested() into inline functions.
Use builddir not srcdir with make pofile.
Append 'incfile:' lines to %.d files to handle newly-missing dependencies
without 'make clean' after a file is moved or deleted.
Using suffixes for mirrors and raids will need more work,
before this could be enabled.
Meanwhile revert to previous behavior.
Keep suffixes for thins and caches.
Since vg_name inside /lib function has already been ignored mostly
except for a few debug prints - make it and official internal API
feature.
vg_name is used only in /tools while the VG is not yet openned,
and when lvresize/lvcreate /lib function is called with VG pointer
already being used, then vg_name becomes irrelevant (it's not been
validated anyway).
So any internal user of lvcreate_params and lvresize_params does not
need to set vg_name pointer and may leave it NULL.
Use suffixes for easier detection of private volumes.
This commit makes older volume UUIDs incompatible and
it most probably needs machine reboot after upgrade.
When creating pool's metadata - create initial LV for clearing with some
generic name and after the volume is create & cleared - rename it to
reserved name '_tmeta/_cmeta'.
We should not expose 'reserved' names for public LVs.
