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lvm2app forces applications to start with a volume group name,
open the volume group, then operate on individual pvs. In some
cases the application may want to start with a device name rather
than the volume group name. Today, if an application wants to
do this, it must iterate through all the volume groups to find
the volume group that the specific device is attached to.
These new interfaces allow the application to avoid such overhead.
Bump the lvm2app version number to 3.
Everywhere else in the API the caller can rely on lvm2app taking care of
memory allocation and free, so make the 'name' and 'uuid' properties of a
vg/lv/pv use the vg handle to allocate memory.
Signed-off-by: Dave Wysochanski <dwysocha@redhat.com>
Fix add/remove tag function headers.
Fix a lot of little problems with doxygen comments.
Clarify the basic objects and their handles, and place functions with their
appropriate handles/objects.
All this cleanup moves automatic documentation of lvm2app much closer to being
useful as official documentation. In the future I will add some examples
and plan to build the examples as part of the unit tests.
Signed-off-by: Dave Wysochanski <dwysocha@redhat.com>
Add lvm2app functions to manage LV tags.
For lvm_lv_get_tags(), we return a list of tags, similar to other
functions that return lists. An empty list is returned if there
are no tags. NULL is returned if there is a problem obtaining
the list of tags.
Signed-off-by: Dave Wysochanski <dwysocha@redhat.com>
Add lvm2app functions to manage VG tags.
For lvm_vg_get_tags(), we return a list of tags, similar to other
functions that return lists. An empty list is returned if there
are no VG tags. NULL is returned if there is a problem obtaining
the list of tags.
Signed-off-by: Dave Wysochanski <dwysocha@redhat.com>
Of the vgs field vg_attr, a few of the most likely to be used attributes
are clustered, exported, and partial. This patch adds the following 3
functions:
uint64_t lvm_vg_is_clustered(const vg_t vg)
uint64_t lvm_vg_is_exported(const vg_t vg)
uint64_t lvm_vg_is_partial(const vg_t vg)
Now that we've refactored the internal library functions that do the
vg_remove, we can handle the deferred commit of a lvm_vg_remove() inside
lvm_vg_write(). This makes the VG create/remove API more consistent in
terms of disk commits - they now both require an lvm_vg_write() to commit
the create or remove to disk.
Signed-off-by: Dave Wysochanski <dwysocha@redhat.com>
Author: Dave Wysochanski <dwysocha@redhat.com>
This patch update pv_t handle to be consistent with lvm_t - define as a pointer
to internal struct physical_volume.
Author: Dave Wysochanski <dwysocha@redhat.com>
This patch update lv_t handle to be consistent with lvm_t - define as a pointer
to internal struct logical_volume.
Author: Dave Wysochanski <dwysocha@redhat.com>
This patch update vg_t handle to be consistent with lvm_t - define as a pointer
to internal struct volume_group.
Author: Dave Wysochanski <dwysocha@redhat.com>
