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Clean up the handling of memory used for cmd defs
so it doesn't trip up memory debugging.
Allocate memory for commands[] from libmem.
Free temporary memory used by define_commands()
at the end of the function.
Clear all the command def state in in lvm_fin().
Commits a29bb6a14b
... 5c199d99f4
narrowed down on addressing the escaping of hyphens
in the dynamic creation of manuals whilst avoiding
them in creating help texts. This lead to a sequence
of slipping through hyphens adrressed by additional
patches in aforementioned commit series.
On the other hand, postprocessing dynamically man-generator
created and statically provided manuals catches all hyphens
in need of escaping.
Changes:
- revert the above commits whilst keeping man-generator
streamlining and the detection of any '\' when generating
help texts in order to avoid escapes to slip in
- Dynamically escape hyphens in manaual pages using sed(1)
in the respective Makefile targets
- remove any manually added escaping on hyphens from any
static manual sources or headers
As was recently done with relative signes for sizes/extents,
limit the signs used with the mirrors option, e.g.
lvcreate --mirrors now does not accept or advertise an
optional minus sign with the value. lvconvert --mirrors
accepts +|-.
OO_LVCREATE_CACHE accepts --cachemetadataformat.
Support new option --cachemetadataformat auto|1|2 for caching.
Word 'auto' can be also be given as '0'.
Add new values for different sign variations, resulting in:
size_VAL no sign accepted
ssize_VAL accepts + or -
psize_VAL accepts +
nsize_VAL accpets -
extents_VAL no sign accepted
sextents_VAL accepts + or -
pextents_VAL accepts +
nextents_VAL accepts -
Depending on the command being run, change the option
values for --size, --extents, --poolmetadatasize to
use the appropriate value from above.
lvcreate uses no sign (but accepts + and ignores it).
lvresize accepts +|- for a relative change.
lvextend accepts + for a relative change.
lvreduce accepts - for a relative change.
Like opt and val arrays in previous commit, combine duplicate
arrays for lv types and props in command.c and lvmcmdline.c.
Also move the command_names array to be defined in command.c
so it's consistent with the others.
command.c and lvmcmdline.c each had a full array defining
all options and values. This duplication was not removed
when the command.c code was merged into the run time.
Part of the UNIT description was still living in the
--size description. Move it to the Size[UNIT] description
since it is used by other options, not just --size.
In lvcreate/lvconvert, --poolmetdatasize can only be an
absolute value, but in lvresize/lvextend, --poolmetadatasize
can be given a + relative value.
The val types only currently support relative values that
go in both directions +|-. Further work is needed to add
val types that can be relative in only one direction, and
switching various option values to one those depending on
the command name. Then poolmetdatasize will not appear
with a +|- option in lvcreate/lvconvert, and will
appear with only the + option in lvresize/lvextend.
Clean up and correct the details around --extents and --size.
lvcreate/lvresize/lvreduce/lvextend all now display the
extents option in usages.
The Size and Number value variables for --size and --extents
are now displayed without the [+|-] prefix for lvcreate.
A special case is needed to display
--extents for lvcreate since the cmd defs
treat --extents as an automatic alternative
to --size (to avoid duplicating every cmd def).
When a cmd def includes multiple sets of options (OO_FOO),
allow multiple OO_FOO sets to contain the same option and
avoid repeating it in the cmd def.
There was confusion in the code about whether or not the
--size option accepted a sign. Make it consistent and clear
that it does.
This exposes a new problem in that an option can only
accept one value type, e.g. --size can only accept a
signed number, it cannot accept a positive or negative
number for some commands and reject negative numbers for
others.
In practice, lvcreate accepts only positive --size
values and lvresize accepts positive or negative --size
values. There is currently no way to encode this
difference. Until that is fixed, the man page output
is hacked to avoid printing the [+|-] prefix for sizes
in lvcreate.
The options list was sorted as:
- options with both long and short forms, alphabetically
- options with only long form, alphabetically
This was done only for the visual effect. Change to
sort alphabetically by long opt, without regard to
short forms.
