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72 lines
1.9 KiB
C
72 lines
1.9 KiB
C
/*
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* Copyright (C) 2001 Sistina Software (UK) Limited.
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*
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* This file is released under the LGPL.
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*/
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#ifndef LVM_ACTIVATE_H
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#define LVM_ACTIVATE_H
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#include "metadata.h"
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#ifdef DEVMAPPER_SUPPORT
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# include <libdevmapper.h>
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#endif
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struct lvinfo {
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int exists;
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int suspended;
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unsigned int open_count;
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int major;
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int minor;
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int read_only;
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};
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void set_activation(int activation);
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int activation(void);
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int driver_version(char *version, size_t size);
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int library_version(char *version, size_t size);
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void activation_exit(void);
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int lv_suspend(struct cmd_context *cmd, const char *lvid_s);
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int lv_suspend_if_active(struct cmd_context *cmd, const char *lvid_s);
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int lv_resume(struct cmd_context *cmd, const char *lvid_s);
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int lv_resume_if_active(struct cmd_context *cmd, const char *lvid_s);
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int lv_activate(struct cmd_context *cmd, const char *lvid_s);
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int lv_activate_with_filter(struct cmd_context *cmd, const char *lvid_s);
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int lv_deactivate(struct cmd_context *cmd, const char *lvid_s);
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int lv_mknodes(struct cmd_context *cmd, const struct logical_volume *lv);
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/*
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* Returns 1 if info structure has been populated, else 0.
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*/
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int lv_info(const struct logical_volume *lv, struct lvinfo *info);
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int lv_info_by_lvid(struct cmd_context *cmd, const char *lvid_s,
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struct lvinfo *info);
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/*
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* Returns 1 if activate_lv has been set: 1 = activate; 0 = don't.
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*/
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int lv_activation_filter(struct cmd_context *cmd, const char *lvid_s,
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int *activate_lv);
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/*
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* Returns 1 if percent has been set, else 0.
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*/
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int lv_snapshot_percent(struct logical_volume *lv, float *percent);
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int lv_mirror_percent(struct logical_volume *lv, int wait, float *percent,
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uint32_t *event_nr);
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/*
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* Return number of LVs in the VG that are active.
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*/
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int lvs_in_vg_activated(struct volume_group *vg);
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int lvs_in_vg_opened(struct volume_group *vg);
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int lv_setup_cow_store(struct logical_volume *lv);
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#endif
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