lvm2/lib/activate/activate.h

/*
 * Copyright (C) 2001 Sistina Software (UK) Limited.
 *
 * This file is released under the GPL.
 */

#ifndef LVM_ACTIVATE_H
#define LVM_ACTIVATE_H

#include <libdevmapper.h>

/* FIXME Snapshot handling? */

int driver_version(char *version, size_t size);
int library_version(char *version, size_t size);

int lv_active(struct logical_volume *lv);
int lv_suspended(struct logical_volume *lv);
int lv_open_count(struct logical_volume *lv);
int lv_info(struct logical_volume *lv, struct dm_info *info);
int lv_rename(const char *old_name, struct logical_volume *lv);

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);

/*
 * 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);

/*
 * Test for (lv->status & LVM_WRITE)
 */
int lv_update_write_access(struct logical_volume *lv);

/*
 * Activate all LVs in the VG.  Ignore any that
 * are already active.  Return number
 * activated.
 */
int activate_lvs_in_vg(struct volume_group *vg);

/*
 * Deactivate all LVs in the VG
 */
int deactivate_lvs_in_vg(struct volume_group *vg);

#endif
o change pv_read to take a name rather than a device 2001-10-09 16:05:34 +00:00			`/*`
			`* Copyright (C) 2001 Sistina Software (UK) Limited.`
			`*`
			`* This file is released under the GPL.`
			`*/`

vgchange 2001-10-16 16:25:28 +00:00			`#ifndef LVM_ACTIVATE_H`
			`#define LVM_ACTIVATE_H`
o change pv_read to take a name rather than a device 2001-10-09 16:05:34 +00:00
o activation & active status tests o lvdisplay fields from kernel o update lv->size on resize 2001-11-21 19:32:35 +00:00			`#include <libdevmapper.h>`

vgchange 2001-10-16 16:25:28 +00:00			`/* FIXME Snapshot handling? */`
o proposed interface to the kernel driver 2001-10-09 16:44:30 +00:00
Support --version argument and 'version' shell command. 2002-01-17 16:39:24 +00:00			`int driver_version(char *version, size_t size);`
			`int library_version(char *version, size_t size);`

lvdisplay & lvreduce 2001-11-08 16:15:58 +00:00			`int lv_active(struct logical_volume *lv);`
Support for read-only. 2002-01-07 22:28:36 +00:00			`int lv_suspended(struct logical_volume *lv);`
lvdisplay & lvreduce 2001-11-08 16:15:58 +00:00			`int lv_open_count(struct logical_volume *lv);`
o activation & active status tests o lvdisplay fields from kernel o update lv->size on resize 2001-11-21 19:32:35 +00:00			`int lv_info(struct logical_volume lv, struct dm_info info);`
o ACTIVE is no longer a status flag - lv_active() used to check if an LV is active in the device-mapper. o Many operations can be carried out regardless of whether the VG is active or not. o vgscan does not activate anything - use vgchange. o Change lvrename to support renaming of active LVs. o Remove '//' appearing in some pathnames. o Dummy lv_check_segments() for compilation. 2002-01-10 23:21:07 +00:00			`int lv_rename(const char old_name, struct logical_volume lv);`
o Added lvs_in_vgs_opened 2001-11-07 15:02:07 +00:00
o Changes to activation interface o Add pointer lv->vg o Some naming tweaks to improve clarity 2001-10-31 17:59:52 +00:00			`int lv_activate(struct logical_volume *lv);`
o Another pass at the activation code 2001-11-07 11:51:42 +00:00			`int lv_reactivate(struct logical_volume *lv);`
o Changes to activation interface o Add pointer lv->vg o Some naming tweaks to improve clarity 2001-10-31 17:59:52 +00:00			`int lv_deactivate(struct logical_volume *lv);`
o ACTIVE is no longer a status flag - lv_active() used to check if an LV is active in the device-mapper. o Many operations can be carried out regardless of whether the VG is active or not. o vgscan does not activate anything - use vgchange. o Change lvrename to support renaming of active LVs. o Remove '//' appearing in some pathnames. o Dummy lv_check_segments() for compilation. 2002-01-10 23:21:07 +00:00			`int lv_suspend(struct logical_volume *lv);`
o change pv_read to take a name rather than a device 2001-10-09 16:05:34 +00:00
o Another pass at the activation code 2001-11-07 11:51:42 +00:00			`/*`
			`* Return number of LVs in the VG that are`
o Added lvs_in_vgs_opened 2001-11-07 15:02:07 +00:00			`* active.`
o Another pass at the activation code 2001-11-07 11:51:42 +00:00			`*/`
vgchange 2001-10-16 16:25:28 +00:00			`int lvs_in_vg_activated(struct volume_group *vg);`
o Added lvs_in_vgs_opened 2001-11-07 15:02:07 +00:00			`int lvs_in_vg_opened(struct volume_group *vg);`
vgchange 2001-10-16 16:25:28 +00:00
o Another pass at the activation code 2001-11-07 11:51:42 +00:00			`/*`
			`* Test for (lv->status & LVM_WRITE)`
			`*/`
o Changes to activation interface o Add pointer lv->vg o Some naming tweaks to improve clarity 2001-10-31 17:59:52 +00:00			`int lv_update_write_access(struct logical_volume *lv);`

o Another pass at the activation code 2001-11-07 11:51:42 +00:00			`/*`
			`* Activate all LVs in the VG. Ignore any that`
			`* are already active. Return number`
			`* activated.`
			`*/`
vgchange 2001-10-16 16:25:28 +00:00			`int activate_lvs_in_vg(struct volume_group *vg);`

o Another pass at the activation code 2001-11-07 11:51:42 +00:00			`/*`
			`* Deactivate all LVs in the VG`
			`*/`
vgchange 2001-10-16 16:25:28 +00:00			`int deactivate_lvs_in_vg(struct volume_group *vg);`

o change pv_read to take a name rather than a device 2001-10-09 16:05:34 +00:00			`#endif`