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lvm2/lib/activate/activate.h

60 lines
1.4 KiB
C

/*
* Copyright (C) 2001 Sistina Software (UK) Limited.
*
* This file is released under the LGPL.
*/
#ifndef LVM_ACTIVATE_H
#define LVM_ACTIVATE_H
#include <libdevmapper.h>
int driver_version(char *version, size_t size);
int library_version(char *version, size_t size);
/*
* Status functions. Return count (0 upwards) or else -1 on
* error.
*/
int lv_active(struct logical_volume *lv);
int lv_suspended(struct logical_volume *lv);
int lv_open_count(struct logical_volume *lv);
/*
* Returns 1 if info structure has been populated, else 0.
*/
int lv_info(struct logical_volume *lv, struct dm_info *info);
/*
* Activation proper.
*/
int lv_activate(struct logical_volume *lv);
int lv_reactivate(struct logical_volume *lv);
int lv_deactivate(struct logical_volume *lv);
int lv_suspend(struct logical_volume *lv);
int lv_rename(const char *old_name, struct logical_volume *lv);
/*
* Snapshot volume need kernel specific initialisation.
*/
int lv_setup_cow_store(struct logical_volume *lv);
/*
* Return number of LVs in the VG that are active.
*/
int lvs_in_vg_activated(struct volume_group *vg);
int lvs_in_vg_opened(struct volume_group *vg);
/*
* Activate all LVs in the VG. Ignore any that are already
* active. Return number actually activated.
*/
int activate_lvs_in_vg(struct volume_group *vg);
/*
* Deactivate all LVs in the VG. Return number actually deactivated.
*/
int deactivate_lvs_in_vg(struct volume_group *vg);
#endif