1 /* $NetBSD: pv_map.h,v 1.1.1.1 2008/12/22 00:18:09 haad Exp $ */
4 * Copyright (C) 2001-2004 Sistina Software, Inc. All rights reserved.
5 * Copyright (C) 2004-2006 Red Hat, Inc. All rights reserved.
7 * This file is part of LVM2.
9 * This copyrighted material is made available to anyone wishing to use,
10 * modify, copy, or redistribute it subject to the terms and conditions
11 * of the GNU Lesser General Public License v.2.1.
13 * You should have received a copy of the GNU Lesser General Public License
14 * along with this program; if not, write to the Free Software Foundation,
15 * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
24 * The in core rep. only stores a mapping from
25 * logical extents to physical extents against an
26 * lv. Sometimes, when allocating a new lv for
27 * instance, it is useful to have the inverse
36 struct dm_list list; /* pv_map.areas */
40 struct physical_volume *pv;
41 struct dm_list areas; /* struct pv_areas */
42 uint32_t pe_count; /* Total number of PEs */
48 * Find intersection between available_pvs and free space in VG
50 struct dm_list *create_pv_maps(struct dm_pool *mem, struct volume_group *vg,
51 struct dm_list *allocatable_pvs);
53 void consume_pv_area(struct pv_area *area, uint32_t to_go);
55 uint32_t pv_maps_size(struct dm_list *pvms);