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Extend lvm_vg_write to remove pvs removed in lvm_vg_reduce. The lvm
volume_group internal structure removed_pvs is used for that. The list is
empty afterwards.
Add new test for vg->pvs emptyness to lvm_vg_write to prevent to write empty
vgs. This is needed because of lvm_vg_reduce and lv_vg_create, which creates
empty vgs.
Signed-off-by: Thomas Woerner <twoerner@redhat.com>
Acked-by: Dave Wysochanski <dwysocha@redhat.com>
Author: Dave Wysochanski <dwysocha@redhat.com>
Limited implementation but other types of activation should probably have
separate calls. We also currently do not handle pvmoves or lvconverts.
Author: Dave Wysochanski <dwysocha@redhat.com>
Add a very simple version of lvm_vg_remove_lv.
Since we currently can only create linear LVs, this simple remove function
is adequate. We must refactor lvremove_single a bit.
Author: Dave Wysochanski <dwysocha@redhat.com>
Add the most straightforward 'get' functions required for anaconda.
These are the ones that return simple uint64_t values.
The other more complex ones involve the lv_attr bits. These will
come in a separate patch series since each lv_attr bit will be returned
in a separate API instred of returning the string and requiring the
user to parse it.
Author: Dave Wysochanski <dwysocha@redhat.com>
The lvm_list_vg_{names|ids} functions do not do a scan so we provide
a liblvm function that does a scan.
Author: Dave Wysochanski <dwysocha@redhat.com>
These functions provide the capability of enumerating all vgnames and
vgids in the system. They do not do a scan of the system.
Author: Dave Wysochanski <dwysocha@redhat.com>
Caller must free the memory of the uuid / name returned.
This may not be the best memory management policy since it may lead to
memory leaks if the caller has code like this:
if (!lvm_vg_get_name(vg))
Maybe we don't care - if we do we can use pools tied to handles later
or some other scheme.
Signed-off-by: Dave Wysochanski <dwysocha@redhat.com>
Acked-by: Thomas Woerner <twoerner@redhat.com>
- Use vgmem pool to allocate a list of lvm_*_list structs
- Allocate a new list each call (list may have changed since last call)
- Add to liblvm's exported symbols
Signed-off-by: Dave Wysochanski <dwysocha@redhat.com>
Acked-by: Thomas Woerner <twoerner@redhat.com>
lvm_vg_open() calls internal vg_read() function which is the entry point
for reading an existing VG. In addition to the mode, we include a 'flags'
parameter for future extensions.
Signed-off-by: Dave Wysochanski <dwysocha@redhat.com>
Add the following VG APIs to liblvm/.exported_symbols:
-lvm_reload_config
-lvm_vg_create
-lvm_vg_extend
-lvm_vg_set_extent_size
-lvm_vg_write
-lvm_vg_close
-lvm_vg_remove
Signed-off-by: Dave Wysochanski <dwysocha@redhat.com>
Acked-by: Alasdair G Kergon <agk@redhat.com>
