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/*
* Copyright (C) 2003-2004 Sistina Software, Inc. All rights reserved.
* Copyright (C) 2004-2017 Red Hat, Inc. All rights reserved.
*
* This file is part of LVM2.
*
* This copyrighted material is made available to anyone wishing to use,
* modify, copy, or redistribute it subject to the terms and conditions
* of the GNU Lesser General Public License v.2.1.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef _LVM_LV_ALLOC_H
#define _LVM_LV_ALLOC_H
#include "lib/metadata/metadata-exported.h"
struct lv_segment *alloc_lv_segment(const struct segment_type *segtype,
struct logical_volume *lv,
uint32_t le, uint32_t len,
uint32_t reshape_len,
uint64_t status,
uint32_t stripe_size,
struct logical_volume *log_lv,
uint32_t area_count,
uint32_t area_len,
uint32_t data_copies,
uint32_t chunk_size,
uint32_t region_size,
uint32_t extents_copied,
struct lv_segment *pvmove_source_seg);
int set_lv_segment_area_pv(struct lv_segment *seg, uint32_t area_num,
struct physical_volume *pv, uint32_t pe);
int set_lv_segment_area_lv(struct lv_segment *seg, uint32_t area_num,
struct logical_volume *lv, uint32_t le,
uint64_t status);
int move_lv_segment_area(struct lv_segment *seg_to, uint32_t area_to,
struct lv_segment *seg_from, uint32_t area_from);
int release_lv_segment_area(struct lv_segment *seg, uint32_t s,
uint32_t area_reduction);
int release_and_discard_lv_segment_area(struct lv_segment *seg, uint32_t s, uint32_t area_reduction);
struct alloc_handle;
struct alloc_handle *allocate_extents(struct volume_group *vg,
struct logical_volume *lv,
const struct segment_type *segtype,
uint32_t stripes,
uint32_t mirrors, uint32_t log_count,
uint32_t region_size, uint32_t extents,
struct dm_list *allocatable_pvs,
alloc_policy_t alloc, int approx_alloc,
struct dm_list *parallel_areas);
int lv_add_segment(struct alloc_handle *ah,
uint32_t first_area, uint32_t num_areas,
struct logical_volume *lv,
const struct segment_type *segtype,
uint32_t stripe_size,
uint64_t status,
uint32_t region_size);
int lv_add_mirror_areas(struct alloc_handle *ah,
struct logical_volume *lv, uint32_t le,
uint32_t region_size);
int lv_add_segmented_mirror_image(struct alloc_handle *ah,
struct logical_volume *lv, uint32_t le,
uint32_t region_size);
int lv_add_mirror_lvs(struct logical_volume *lv,
struct logical_volume **sub_lvs,
uint32_t num_extra_areas,
uint64_t status, uint32_t region_size);
int lv_add_log_segment(struct alloc_handle *ah, uint32_t first_area,
struct logical_volume *log_lv, uint64_t status);
int lv_add_virtual_segment(struct logical_volume *lv, uint64_t status,
uint32_t extents, const struct segment_type *segtype);
void alloc_destroy(struct alloc_handle *ah);
struct dm_list *build_parallel_areas_from_lv(struct logical_volume *lv,
unsigned use_pvmove_parent_lv,
unsigned create_single_list);
#endif
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