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Showing 'u' in the pv_attr reporting field is mostly unnecessary because
most PVs are allocatable, and being allocatable implies it is (u)sed,
and this is already obvious from other fields in the default 'pvs'
output like the VG name.
So move the new (u)sed pv_attr from character position 4 to 1, and only
show it in those rare cases when the PV is not (a)llocatable or the
relevant metadata is missing.
(Scripts should not be using pv_attr, but rather pv_allocatable,
pv_exported, pv_missing, pv_in_use etc.)
Make the data_alignment variable 64 bits so it
can hold the invalid command line arg used in
pvreate-usage.sh pvcreate --dataalignment 1e.
On 32 bit arches, the smaller variable wouldn't
hold the invalid value so the error would not
trigger as expected by the test.
"pvcreate_each_params" was a temporary name used
to transition from the old "pvcreate_params".
Remove the old pvcreate_params struct and rename the
new pvcreate_each_params struct to pvcreate_params.
Rename various pvcreate_each_params terms to simply
pvcreate_params.
Use the new pvcreate_each_device() function from
toollib, previously added for pvcreate, in place
of the old pvcreate_vol().
This also requires shifting the location where the
lock is acquired for the new VG name. The lock for
the new VG is supposed to be acquired before pvcreate.
This means splitting the vg_lock_newname() out of
vg_create(), and calling vg_lock_newname() directly
before pvcreate, and then calling the remainder of
vg_create() after pvcreate.
The new function vg_lock_and_create() now does
vg_lock_newname() + vg_create(), like the previous
version of vg_create().
The lock on the new VG name is released before the
pvcreate and reacquired after the pvcreate because
pvcreate needs to reset lvmcache, which doesn't work
when locks are held. An exception could likely be
made for the new VG name lock, which would allow
vgcreate to hold the new VG name lock across the
pvcreate step.
This is common code for handling PV create/remove
that can be shared by pvcreate/vgcreate/vgextend/pvremove.
This does not change any commands to use the new code.
- Pull out the hidden equivalent of process_each_pv
into an actual top level process_each_pv.
- Pull the prompts to the top level, and do not
run any prompts while locks are held.
The orphan lock is reacquired after any prompts are
done, and the devices being created are checked for
any change made while the lock was not held.
Previously, pvcreate_vol() was the shared function for
creating a PV for pvcreate, vgcreate, vgextend.
Now, it will be toollib function pvcreate_each_device().
pvcreate_vol() was called effectively as a helper, from
within vgcreate and vgextend code paths.
pvcreate_each_device() will be called at the same level
as other process_each functions.
One of the main problems with pvcreate_vol() is that
it included a hidden equivalent of process_each_pv for
each device being created:
pvcreate_vol() -> _pvcreate_check() ->
find_pv_by_name() -> get_pvs() ->
get_pvs_internal() -> _get_pvs() -> get_vgids() ->
/* equivalent to process_each_pv */
dm_list_iterate_items(vgids)
vg = vg_read_internal()
dm_list_iterate_items(&vg->pvs)
pvcreate_each_device() reorganizes the code so that
each-VG-each-PV loop is done once, and uses the standard
process_each_pv function at the top level of the function.
This uses the vg->pv_write_list in place of the
vg->pvs_to_write list, and eliminates the use of
pvcreate_params. The label remove and zeroing
steps are shifted out of vg_write() to the higher
level like pvcreate will do.
The vg->pv_write_list contains pv_list structs for which
vg_write() should call pv_write().
The new list will replace vg->pvs_to_write that contains
vg_to_create structs which are used to perform higher-level
pvcreate-related operations. The higher level pvcreate
operations will be moved out of vg_write() to higher levels.
Since we already check in few other places 'info' is not NULL,
do the same for others - however when info would be NULL
it more or less looks like internal error.
Reshuffle messages during pvremove.
Always print WARNING: when PV is in use so using options
--force --force doesn't make this important user
notification go away.
Simplify variable 'used' usage (so older gcc doesn't warn
about the use of unitilizied variable).
Add some '.' into messages.
Currently it's been checked for 'zero' header for thin-pool,
but lets use it always for cache as well - since it's relatively 'cheap'
detection of read 'error' problems as thin/cache tools
currently do not work fast enough in this case.
When update fails in suspend() (sending of messages
fails because metadata space is full) call resume(),
so the locking sequence works properly for clustering.
Also failing deactivation should unlock memory.
Fix reporting of Fail thin-pool target status
as attr[8] letter 'F'.
Report 'needs_check' status from thin-pool target via
attr field [4] (letter 'c'/'C'), and also via CheckNeeded field.
TODO: think about better name here?
TODO: lots of prop_not_implemented_set
Ask for confirmation when using pvcreate/pvremove on a PV which is
marked as belonging to a VG, just like we do in case of a PV which
belongs to known VG:
$ pvcreate -ff /dev/sda
Really INITIALIZE physical volume "/dev/sda" that is marked as belonging to a VG [y/n]? n
/dev/sda: physical volume not initialized
$ pvremove -ff /dev/sda
Really WIPE LABELS from physical volume "/dev/sda" that is marked as belonging to a VG [y/n]? n
/dev/sda: physical volume label not removed
The host that owns foreign VGs is responsible for fixing up PV_EXT_USED
flag - the same already applies to repairing any inconsistent VG.
This patch also moves the iteration over vg->pvs inside
_check_or_repair_pv_ext fn - it's cleaner this way.
pv->vg is not set yet during pvcreate processing. Use pv->fmt instead to
check for these fake PVs (all normal PVs have format defined, devices
which are not PVs don't have this set).
This fixes commit 0000db7f98.
Some of the PVs are not even orphan PVs - they're fake PVs - this can
happen if we're listing all devices with "pvs -a". Such PV must not
be marked as used.
