int pvremove(struct cmd_context *cmd, int argc, char **argv)
{
int i;
unsigned force_count;
unsigned prompt;
struct dm_list pv_names;
if (!argc) {
log_error("Please enter a physical volume path");
return EINVALID_CMD_LINE;
}
force_count = arg_count(cmd, force_ARG);
prompt = arg_count(cmd, yes_ARG);
dm_list_init(&pv_names);
/* Needed to change the set of orphan PVs. */
if (!lockd_gl(cmd, "ex", 0))
return_ECMD_FAILED;
for (i = 0; i < argc; i++) {
dm_unescape_colons_and_at_signs(argv[i], NULL, NULL);
if (!str_list_add(cmd->mem, &pv_names, argv[i]))
return_ECMD_FAILED;
}
if (!pvremove_many(cmd, &pv_names, force_count, prompt))
return_ECMD_FAILED;
return ECMD_PROCESSED;
}
int vgremove(struct cmd_context *cmd, int argc, char **argv)
{
int ret;
if (!argc && !arg_is_set(cmd, select_ARG)) {
log_error("Please enter one or more volume group paths "
"or use --select for selection.");
return EINVALID_CMD_LINE;
}
/*
* Needed to change the global VG namespace,
* and to change the set of orphan PVs.
*/
if (!lockd_gl(cmd, "ex", LDGL_UPDATE_NAMES))
return ECMD_FAILED;
/*
* This is a special case: if vgremove is given a tag, it causes
* process_each_vg to do lockd_gl(sh) when getting a list of all
* VG names. We don't want the gl converted to sh, so disable it.
*/
cmd->lockd_gl_disable = 1;
cmd->handles_missing_pvs = 1;
ret = process_each_vg(cmd, argc, argv,
READ_FOR_UPDATE,
NULL, &vgremove_single);
return ret;
}
static int _pvresize_single(struct cmd_context *cmd,
struct volume_group *vg,
struct physical_volume *pv,
struct processing_handle *handle)
{
struct pvresize_params *params = (struct pvresize_params *) handle->custom_handle;
if (!params) {
log_error(INTERNAL_ERROR "Invalid resize params.");
return ECMD_FAILED;
}
params->total++;
if (vg && vg_is_exported(vg)) {
log_error("Volume group %s is exported", vg->name);
return ECMD_FAILED;
}
/*
* Needed to change a property on an orphan PV.
* i.e. the global lock is only needed for orphans.
* Convert sh to ex.
*/
if (is_orphan(pv)) {
if (!lockd_gl(cmd, "ex", 0))
return_ECMD_FAILED;
cmd->lockd_gl_disable = 1;
}
if (!pv_resize_single(cmd, vg, pv, params->new_size, arg_is_set(cmd, yes_ARG)))
return_ECMD_FAILED;
params->done++;
return ECMD_PROCESSED;
}
int vgrename(struct cmd_context *cmd, int argc, char **argv)
{
struct vgrename_params vp = { 0 };
struct processing_handle *handle;
const char *vg_name_new;
const char *vg_name_old;
struct id id;
int ret;
if (argc != 2) {
log_error("Old and new volume group names need specifying");
return EINVALID_CMD_LINE;
}
vg_name_old = skip_dev_dir(cmd, argv[0], NULL);
vg_name_new = skip_dev_dir(cmd, argv[1], NULL);
if (!validate_vg_rename_params(cmd, vg_name_old, vg_name_new))
return_0;
if (!(vp.vg_name_old = dm_pool_strdup(cmd->mem, vg_name_old)))
return_ECMD_FAILED;
if (!(vp.vg_name_new = dm_pool_strdup(cmd->mem, vg_name_new)))
return_ECMD_FAILED;
/* Needed change the global VG namespace. */
if (!lockd_gl(cmd, "ex", LDGL_UPDATE_NAMES))
return_ECMD_FAILED;
/*
* Special case where vg_name_old may be a UUID:
* If vg_name_old is a UUID, then process_each may
* translate it to an actual VG name that we don't
* yet know. The lock ordering, and pre-locking,
* needs to be done based on VG names. When
* vg_name_old is a UUID, do not do any pre-locking
* based on it, since it's likely to be wrong, and
* defer all the locking to the _single function.
*
* When it's not a UUID, we know the two VG names,
* and we can pre-lock the new VG name if the lock
* ordering wants it locked before the old VG name
* which will be locked by process_each. If lock
* ordering wants the old name locked first, then
* the _single function will lock the new VG name.
*/
if (!(vp.old_name_is_uuid = id_read_format_try(&id, vg_name_old))) {
if (strcmp(vg_name_new, vg_name_old) < 0) {
vp.lock_vg_old_first = 0;
vp.unlock_new_name = 1;
if (!_lock_new_vg_for_rename(cmd, vg_name_new))
return ECMD_FAILED;
} else {
/* The old VG is locked by process_each_vg. */
vp.lock_vg_old_first = 1;
}
}
if (!(handle = init_processing_handle(cmd))) {
log_error("Failed to initialize processing handle.");
return ECMD_FAILED;
}
handle->custom_handle = &vp;
ret = process_each_vg(cmd, 0, NULL, vg_name_old,
READ_FOR_UPDATE | READ_ALLOW_EXPORTED,
handle, _vgrename_single);
/* Needed if process_each_vg returns error before calling _single. */
if (vp.unlock_new_name)
unlock_vg(cmd, vg_name_new);
destroy_processing_handle(cmd, handle);
return ret;
}
int pvcreate(struct cmd_context *cmd, int argc, char **argv)
{
struct processing_handle *handle;
struct pvcreate_params pp;
int ret;
/*
* Five kinds of pvcreate param values:
* 1. defaults
* 2. recovery-related command line args
* 3. recovery-related args from backup file
* 4. normal command line args
* (this also checks some settings from 2 & 3)
* 5. argc/argv free args specifying devices
*/
pvcreate_params_set_defaults(&pp);
if (!_pvcreate_restore_params_from_args(cmd, argc, &pp))
return EINVALID_CMD_LINE;
if (!_pvcreate_restore_params_from_backup(cmd, &pp))
return EINVALID_CMD_LINE;
if (!pvcreate_params_from_args(cmd, &pp))
return EINVALID_CMD_LINE;
/*
* If --metadatasize was not given with --restorefile, set it to pe_start.
* Later code treats this as a maximum size and reduces it to fit.
*/
if (!arg_is_set(cmd, metadatasize_ARG) && arg_is_set(cmd, restorefile_ARG))
pp.pva.pvmetadatasize = pp.pva.pe_start;
/* FIXME Also needs to check any 2nd metadata area isn't inside the data area! */
pp.pv_count = argc;
pp.pv_names = argv;
/* Check for old md signatures at the end of devices. */
cmd->use_full_md_check = 1;
/*
* Needed to change the set of orphan PVs.
* (disable afterward to prevent process_each_pv from doing
* a shared global lock since it's already acquired it ex.)
*/
if (!lockd_gl(cmd, "ex", 0))
return_ECMD_FAILED;
cmd->lockd_gl_disable = 1;
clear_hint_file(cmd);
if (!(handle = init_processing_handle(cmd, NULL))) {
log_error("Failed to initialize processing handle.");
return ECMD_FAILED;
}
if (!pvcreate_each_device(cmd, handle, &pp))
ret = ECMD_FAILED;
else {
/* pvcreate_each_device returns with orphans locked */
unlock_vg(cmd, NULL, VG_ORPHANS);
ret = ECMD_PROCESSED;
}
destroy_processing_handle(cmd, handle);
return ret;
}
