static void _thin_pool_display(const struct lv_segment *seg)
{
log_print(" Chunk size\t\t%s",
display_size(seg->lv->vg->cmd, seg->chunk_size));
log_print(" Discards\t\t%s", get_pool_discards_name(seg->discards));
log_print(" Thin count\t\t%u",
dm_list_size(&seg->lv->segs_using_this_lv));
log_print(" Transaction ID\t%" PRIu64, seg->transaction_id);
log_print(" Zero new blocks\t%s",
seg->zero_new_blocks ? "yes" : "no");
log_print(" ");
}
static PyObject *_liblvm_lvm_list_vg_names(void)
{
struct dm_list *vgnames;
struct lvm_str_list *strl;
PyObject * pytuple;
int i = 0;
LVM_VALID(NULL);
if (!(vgnames = lvm_list_vg_names(_libh))) {
PyErr_SetObject(_LibLVMError, _liblvm_get_last_error());
return NULL;
}
if (!(pytuple = PyTuple_New(dm_list_size(vgnames))))
return NULL;
dm_list_iterate_items(strl, vgnames) {
PyTuple_SET_ITEM(pytuple, i, PYSTRTYPE_FROMSTRING(strl->str));
i++;
}
static PyObject *
liblvm_lvm_list_vg_names(void)
{
struct dm_list *vgnames;
struct lvm_str_list *strl;
PyObject * pytuple;
int i = 0;
LVM_VALID();
vgnames = lvm_list_vg_names(libh);
if (!vgnames) {
PyErr_SetObject(LibLVMError, liblvm_get_last_error());
return NULL;
}
pytuple = PyTuple_New(dm_list_size(vgnames));
if (!pytuple)
return NULL;
dm_list_iterate_items(strl, vgnames) {
PyTuple_SET_ITEM(pytuple, i, PyString_FromString(strl->str));
i++;
}
static int _pv_resize_single(struct cmd_context *cmd,
struct volume_group *vg,
struct physical_volume *pv,
const uint64_t new_size)
{
struct pv_list *pvl;
uint64_t size = 0;
uint32_t new_pe_count = 0;
int r = 0;
struct dm_list mdas;
const char *pv_name = pv_dev_name(pv);
const char *vg_name;
struct lvmcache_info *info;
int mda_count = 0;
struct volume_group *old_vg = vg;
dm_list_init(&mdas);
if (is_orphan_vg(pv_vg_name(pv))) {
vg_name = VG_ORPHANS;
if (!lock_vol(cmd, vg_name, LCK_VG_WRITE)) {
log_error("Can't get lock for orphans");
return 0;
}
if (!(pv = pv_read(cmd, pv_name, &mdas, NULL, 1, 0))) {
unlock_vg(cmd, vg_name);
log_error("Unable to read PV \"%s\"", pv_name);
return 0;
}
mda_count = dm_list_size(&mdas);
} else {
vg_name = pv_vg_name(pv);
vg = vg_read_for_update(cmd, vg_name, NULL, 0);
if (vg_read_error(vg))
goto bad;
if (!(pvl = find_pv_in_vg(vg, pv_name))) {
log_error("Unable to find \"%s\" in volume group \"%s\"",
pv_name, vg->name);
goto bad;
}
pv = pvl->pv;
if (!(info = info_from_pvid(pv->dev->pvid, 0))) {
log_error("Can't get info for PV %s in volume group %s",
pv_name, vg->name);
goto bad;
}
mda_count = dm_list_size(&info->mdas);
if (!archive(vg))
goto bad;
}
/* FIXME Create function to test compatibility properly */
if (mda_count > 1) {
log_error("%s: too many metadata areas for pvresize", pv_name);
goto bad;
}
if (!(pv->fmt->features & FMT_RESIZE_PV)) {
log_error("Physical volume %s format does not support resizing.",
pv_name);
goto bad;
}
/* Get new size */
if (!dev_get_size(pv_dev(pv), &size)) {
log_error("%s: Couldn't get size.", pv_name);
goto bad;
}
if (new_size) {
if (new_size > size)
log_warn("WARNING: %s: Overriding real size. "
"You could lose data.", pv_name);
log_verbose("%s: Pretending size is %" PRIu64 " not %" PRIu64
" sectors.", pv_name, new_size, pv_size(pv));
size = new_size;
}
if (size < PV_MIN_SIZE) {
log_error("%s: Size must exceed minimum of %ld sectors.",
pv_name, PV_MIN_SIZE);
goto bad;
}
if (size < pv_pe_start(pv)) {
log_error("%s: Size must exceed physical extent start of "
"%" PRIu64 " sectors.", pv_name, pv_pe_start(pv));
goto bad;
}
pv->size = size;
if (vg) {
pv->size -= pv_pe_start(pv);
new_pe_count = pv_size(pv) / vg->extent_size;
if (!new_pe_count) {
log_error("%s: Size must leave space for at "
"least one physical extent of "
"%" PRIu32 " sectors.", pv_name,
pv_pe_size(pv));
goto bad;
}
if (!pv_resize(pv, vg, new_pe_count))
goto_bad;
}
log_verbose("Resizing volume \"%s\" to %" PRIu64 " sectors.",
pv_name, pv_size(pv));
log_verbose("Updating physical volume \"%s\"", pv_name);
if (!is_orphan_vg(pv_vg_name(pv))) {
if (!vg_write(vg) || !vg_commit(vg)) {
log_error("Failed to store physical volume \"%s\" in "
"volume group \"%s\"", pv_name, vg->name);
goto bad;
}
backup(vg);
} else if (!(pv_write(cmd, pv, NULL, INT64_C(-1)))) {
log_error("Failed to store physical volume \"%s\"",
pv_name);
goto bad;;
}
log_print("Physical volume \"%s\" changed", pv_name);
r = 1;
bad:
unlock_vg(cmd, vg_name);
if (!old_vg)
vg_release(vg);
return r;
}
#define _lv_major_set prop_not_implemented_set GET_LV_NUM_PROPERTY_FN(lv_minor, lv->minor) #define _lv_when_full_get prop_not_implemented_get #define _lv_when_full_set prop_not_implemented_set #define _lv_minor_set prop_not_implemented_set GET_LV_NUM_PROPERTY_FN(lv_read_ahead, lv->read_ahead * SECTOR_SIZE) #define _lv_read_ahead_set prop_not_implemented_set GET_LV_NUM_PROPERTY_FN(lv_kernel_major, lv_kernel_major(lv)) #define _lv_kernel_major_set prop_not_implemented_set GET_LV_NUM_PROPERTY_FN(lv_kernel_minor, lv_kernel_minor(lv)) #define _lv_kernel_minor_set prop_not_implemented_set GET_LV_NUM_PROPERTY_FN(lv_kernel_read_ahead, lv_kernel_read_ahead(lv) * SECTOR_SIZE) #define _lv_kernel_read_ahead_set prop_not_implemented_set GET_LV_NUM_PROPERTY_FN(lv_size, lv->size * SECTOR_SIZE) #define _lv_size_set prop_not_implemented_set GET_LV_NUM_PROPERTY_FN(seg_count, dm_list_size(&lv->segments)) #define _seg_count_set prop_not_implemented_set GET_LV_STR_PROPERTY_FN(origin, lv_origin_dup(lv->vg->vgmem, lv)) #define _origin_set prop_not_implemented_set GET_LV_STR_PROPERTY_FN(origin_uuid, lv_origin_uuid_dup(lv->vg->vgmem, lv)) #define _origin_uuid_set prop_not_implemented_set GET_LV_NUM_PROPERTY_FN(origin_size, (SECTOR_SIZE * lv_origin_size(lv))) #define _origin_size_set prop_not_implemented_set #define _lv_ancestors_set prop_not_implemented_set #define _lv_ancestors_get prop_not_implemented_get #define _lv_descendants_set prop_not_implemented_set #define _lv_descendants_get prop_not_implemented_get GET_LV_NUM_PROPERTY_FN(snap_percent, _snap_percent(lv)) #define _snap_percent_set prop_not_implemented_set GET_LV_NUM_PROPERTY_FN(copy_percent, _copy_percent(lv)) #define _copy_percent_set prop_not_implemented_set
/*
* Decide whether it is "safe" to wipe the labels on this device.
* 0 indicates we may not.
*/
static int pvremove_check(struct cmd_context *cmd, const char *name)
{
struct physical_volume *pv;
struct dm_list mdas;
dm_list_init(&mdas);
/* FIXME Check partition type is LVM unless --force is given */
/* Is there a pv here already? */
/* If not, this is an error unless you used -f. */
if (!(pv = pv_read(cmd, name, &mdas, NULL, 1, 0))) {
if (arg_count(cmd, force_ARG))
return 1;
log_error("Physical Volume %s not found", name);
return 0;
}
/*
* If a PV has no MDAs it may appear to be an
* orphan until the metadata is read off
* another PV in the same VG. Detecting this
* means checking every VG by scanning every
* PV on the system.
*/
if (is_orphan(pv) && !dm_list_size(&mdas)) {
if (!scan_vgs_for_pvs(cmd)) {
log_error("Rescan for PVs without metadata areas "
"failed.");
return 0;
}
if (!(pv = pv_read(cmd, name, NULL, NULL, 1, 0))) {
log_error("Failed to read physical volume %s", name);
return 0;
}
}
/* orphan ? */
if (is_orphan(pv))
return 1;
/* Allow partial & exported VGs to be destroyed. */
/* we must have -ff to overwrite a non orphan */
if (arg_count(cmd, force_ARG) < 2) {
log_error("Can't pvremove physical volume \"%s\" of "
"volume group \"%s\" without -ff", name, pv_vg_name(pv));
return 0;
}
/* prompt */
if (!arg_count(cmd, yes_ARG) &&
yes_no_prompt(_really_wipe, name, pv_vg_name(pv)) == 'n') {
log_error("%s: physical volume label not removed", name);
return 0;
}
if (arg_count(cmd, force_ARG)) {
log_warn("WARNING: Wiping physical volume label from "
"%s%s%s%s", name,
!is_orphan(pv) ? " of volume group \"" : "",
!is_orphan(pv) ? pv_vg_name(pv) : "",
!is_orphan(pv) ? "\"" : "");
}
return 1;
}
/*
* Decide whether it is "safe" to wipe the labels on this device.
* 0 indicates we may not.
*/
static int pvremove_check(struct cmd_context *cmd, const char *name)
{
struct physical_volume *pv;
/* FIXME Check partition type is LVM unless --force is given */
/* Is there a pv here already? */
/* If not, this is an error unless you used -f. */
if (!(pv = pv_read(cmd, name, 1, 0))) {
if (arg_count(cmd, force_ARG))
return 1;
log_error("Physical Volume %s not found", name);
return 0;
}
/*
* If a PV has no MDAs it may appear to be an
* orphan until the metadata is read off
* another PV in the same VG. Detecting this
* means checking every VG by scanning every
* PV on the system.
*/
if (is_orphan(pv) && !dm_list_size(&pv->fid->metadata_areas_in_use) &&
!dm_list_size(&pv->fid->metadata_areas_ignored)) {
if (!scan_vgs_for_pvs(cmd, 0)) {
log_error("Rescan for PVs without metadata areas "
"failed.");
goto bad;
}
free_pv_fid(pv);
if (!(pv = pv_read(cmd, name, 1, 0))) {
log_error("Failed to read physical volume %s", name);
goto bad;
}
}
/* orphan ? */
if (is_orphan(pv)) {
free_pv_fid(pv);
return 1;
}
/* Allow partial & exported VGs to be destroyed. */
/* we must have -ff to overwrite a non orphan */
if (arg_count(cmd, force_ARG) < 2) {
log_error("PV %s belongs to Volume Group %s so please use vgreduce first.", name, pv_vg_name(pv));
log_error("(If you are certain you need pvremove, then confirm by using --force twice.)");
goto bad;
}
/* prompt */
if (!arg_count(cmd, yes_ARG) &&
yes_no_prompt(_really_wipe, name, pv_vg_name(pv)) == 'n') {
log_error("%s: physical volume label not removed", name);
goto bad;
}
if (arg_count(cmd, force_ARG)) {
log_warn("WARNING: Wiping physical volume label from "
"%s%s%s%s", name,
!is_orphan(pv) ? " of volume group \"" : "",
!is_orphan(pv) ? pv_vg_name(pv) : "",
!is_orphan(pv) ? "\"" : "");
}
free_pv_fid(pv);
return 1;
bad:
free_pv_fid(pv);
return 0;
}
#define _lv_attr_set _not_implemented_set GET_LV_NUM_PROPERTY_FN(lv_major, lv->major) #define _lv_major_set _not_implemented_set GET_LV_NUM_PROPERTY_FN(lv_minor, lv->minor) #define _lv_minor_set _not_implemented_set GET_LV_NUM_PROPERTY_FN(lv_read_ahead, lv->read_ahead * SECTOR_SIZE) #define _lv_read_ahead_set _not_implemented_set GET_LV_NUM_PROPERTY_FN(lv_kernel_major, lv_kernel_major(lv)) #define _lv_kernel_major_set _not_implemented_set GET_LV_NUM_PROPERTY_FN(lv_kernel_minor, lv_kernel_minor(lv)) #define _lv_kernel_minor_set _not_implemented_set GET_LV_NUM_PROPERTY_FN(lv_kernel_read_ahead, lv_kernel_read_ahead(lv) * SECTOR_SIZE) #define _lv_kernel_read_ahead_set _not_implemented_set GET_LV_NUM_PROPERTY_FN(lv_size, lv->size * SECTOR_SIZE) #define _lv_size_set _not_implemented_set GET_LV_NUM_PROPERTY_FN(seg_count, dm_list_size(&lv->segments)) #define _seg_count_set _not_implemented_set GET_LV_STR_PROPERTY_FN(origin, lv_origin_dup(lv->vg->vgmem, lv)) #define _origin_set _not_implemented_set GET_LV_NUM_PROPERTY_FN(origin_size, lv_origin_size(lv)) #define _origin_size_set _not_implemented_set #define _snap_percent_get _not_implemented_get #define _snap_percent_set _not_implemented_set #define _copy_percent_get _not_implemented_get #define _copy_percent_set _not_implemented_set GET_LV_STR_PROPERTY_FN(move_pv, lv_move_pv_dup(lv->vg->vgmem, lv)) #define _move_pv_set _not_implemented_set GET_LV_STR_PROPERTY_FN(convert_lv, lv_convert_lv_dup(lv->vg->vgmem, lv)) #define _convert_lv_set _not_implemented_set GET_LV_STR_PROPERTY_FN(lv_tags, lv_tags_dup(lv)) #define _lv_tags_set _not_implemented_set
