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git://sourceware.org/git/lvm2.git
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5986ec940f
o New function: int lv_setup_cow_store(struct logical_volume *lv) This zeroes the start of the cow device. o Made lvcreate call above fn.
65 lines
1.5 KiB
C
65 lines
1.5 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 <libdevmapper.h>
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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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/*
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* Status functions. Return count (0 upwards) or else -1 on
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* error.
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*/
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int lv_active(struct logical_volume *lv);
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int lv_suspended(struct logical_volume *lv);
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int lv_open_count(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(struct logical_volume *lv, struct dm_info *info);
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/*
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* Activation proper.
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*/
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int lv_activate(struct logical_volume *lv);
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int lv_reactivate(struct logical_volume *lv);
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int lv_deactivate(struct logical_volume *lv);
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int lv_suspend(struct logical_volume *lv);
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int lv_rename(const char *old_name, struct logical_volume *lv);
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/*
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* Snapshot volume need kernel specific initialisation.
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*/
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int lv_setup_cow_store(struct logical_volume *lv);
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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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/*
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* Test for (lv->status & LVM_WRITE)
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*/
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int lv_update_write_access(struct logical_volume *lv);
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/*
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* Activate all LVs in the VG. Ignore any that are already
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* active. Return number actually activated.
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*/
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int activate_lvs_in_vg(struct volume_group *vg);
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/*
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* Deactivate all LVs in the VG. Return number actually deactivated.
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*/
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int deactivate_lvs_in_vg(struct volume_group *vg);
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#endif
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