Add max_pv and max_lv vg 'get' lvm2app exports.

lib/metadata/metadata-exported.h

@@ -717,6 +717,8 @@ uint64_t vg_extent_size(const struct volume_group *vg);
 uint64_t vg_extent_count(const struct volume_group *vg);
 uint64_t vg_free_count(const struct volume_group *vg);
 uint64_t vg_pv_count(const struct volume_group *vg);
+uint64_t vg_max_pv(const struct volume_group *vg);
+uint64_t vg_max_lv(const struct volume_group *vg);
 int vg_check_write_mode(struct volume_group *vg);
 #define vg_is_clustered(vg) (vg_status((vg)) & CLUSTERED)
 

lib/metadata/metadata.c

@@ -3525,6 +3525,16 @@ uint64_t vg_pv_count(const struct volume_group *vg)
 	return (uint64_t) vg->pv_count;
 }
 
+uint64_t vg_max_pv(const struct volume_group *vg)
+{
+	return (uint64_t) vg->max_pv;
+}
+
+uint64_t vg_max_lv(const struct volume_group *vg)
+{
+	return (uint64_t) vg->max_lv;
+}
+
 uint64_t lv_size(const struct logical_volume *lv)
 {
 	return lv->size;

liblvm/lvm2app.h

@@ -589,6 +589,28 @@ uint64_t lvm_vg_get_free_extent_count(const vg_t vg);
  */
 uint64_t lvm_vg_get_pv_count(const vg_t vg);
 
+/**
+ * Get the maximum number of physical volumes allowed in a volume group.
+ *
+ * \param   vg
+ * VG handle obtained from lvm_vg_create or lvm_vg_open.
+ *
+ * \return
+ * Maximum number of physical volumes allowed in a volume group.
+ */
+uint64_t lvm_vg_get_max_pv(const vg_t vg);
+
+/**
+ * Get the maximum number of logical volumes allowed in a volume group.
+ *
+ * \param   vg
+ * VG handle obtained from lvm_vg_create or lvm_vg_open.
+ *
+ * \return
+ * Maximum number of logical volumes allowed in a volume group.
+ */
+uint64_t lvm_vg_get_max_lv(const vg_t vg);
+
 /************************** logical volume handling *************************/
 
 /**

liblvm/lvm_vg.c

@@ -274,6 +274,16 @@ uint64_t lvm_vg_get_pv_count(const vg_t vg)
 	return vg_pv_count(vg);
 }
 
+uint64_t lvm_vg_get_max_pv(const vg_t vg)
+{
+	return vg_max_pv(vg);
+}
+
+uint64_t lvm_vg_get_max_lv(const vg_t vg)
+{
+	return vg_max_lv(vg);
+}
+
 char *lvm_vg_get_uuid(const vg_t vg)
 {
 	char uuid[64] __attribute((aligned(8)));