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The lv_type_name function is remnant from old code that reported
only single string for the LV type. LV types are now reported
in a more extended way as keyword list that describe the type
precisely (using lv_layout_and_type fn).
The lv_type_name was used in some error messages to display the
type of the LV so just reinstate the old messages back referencing
the type directly with a string - this is enough for error messages.
They don't need to display the LV type as precisely as it's used
on lvs output (which is optimized for selection anyway).
Fix get_pool_params to only read params.
Add poolmetadataspare option to get_pool_params.
Move all profile code into update_pool_params.
Move recalculate code into pool_manip.c
Revert logic and rename new arg_ functions to:
arg_from_list_is_set()
arg_outside_list_is_set()
When err_found is given, log_error message is automaticaly
printed.
Support --repair and --use-policies with mirrors.
(fixes another regression from lvconvert change for thin and cache).
TODO: the code path for mirror needs update.
Major update of lvconvert code to handle cache and thin.
related targets.
Code tries to unify handling of cache and thin pools.
Better supports lvm2 syntax:
lvconvert --type cache --cachepool vg/pool vg/cache
lvconvert --type thin --thinpool vg/pool vg/extorg
lvconvert --type cache-pool vg/pool
lvconvert --type thin-pool vg/pool
as well as:
lvconvert --cache --cachepool vg/pool vg/cache
lvconvert --thin --thinpool vg/pool vg/extorg
lvconvert --cachepool vg/pool
lvconvert --thinpool vg/pool
While catching much more command line errors.
(Yet couple paths still needs more tests)
Detects as much cmdline errors prior opening VG.
Uses single lvconvert_name_params to convert LV names.
Detects as much incompatibilies in VG prior prompting.
Uses single prompt to confirm whole conversion.
TODO: still the code needs fixes...
Since the type passed LV is changed and content of data detroyed,
query user with prompt to confirm this operation.
Also add a proper wiping of header.
Using '--yes' will skip this prompt:
lvconvert -s --yes vg/lv vg/lvcow
mirror_or_raid_type_requested really checks for mirror type.
Convert macros mirror_or_raid_type_requested() and
snapshot_type_requested() into inline functions.
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 NAME_LEN constant to simplify creation of device name.
Since the max size should be already tested in validation,
throw INTERNAL_ERROR if the size of vg/lv is bigger then NAME_LEN.
While polling for snapshot, detect first the snapshot still
exits. It's valid to have multiple polling threads watching
for the same thing and just 1 can 'win' the finish part.
All others should nicely 'fail'.
Warn user before converting volume to different type.
WARNING: Converting vg/lvol0 logical volume to pool's meta/data volume.
THIS WILL DESTROY CONTENT OF LOGICAL VOLUME (filesystem etc.)
Since the content of volume is lost we have to query user to confirm
such operation. If user is 100% sure, he may use '--yes' to avoid prompts.
