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lvm2/tools/vgremove.c

99 lines
2.9 KiB
C

/*
* Copyright (C) 2001-2004 Sistina Software, Inc. All rights reserved.
* Copyright (C) 2004-2014 Red Hat, Inc. All rights reserved.
*
* This file is part of LVM2.
*
* This copyrighted material is made available to anyone wishing to use,
* modify, copy, or redistribute it subject to the terms and conditions
* of the GNU Lesser General Public License v.2.1.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "tools.h"
static int vgremove_single(struct cmd_context *cmd, const char *vg_name,
struct volume_group *vg,
struct processing_handle *handle __attribute__((unused)))
{
/*
* Though vgremove operates per VG by definition, internally, it
* actually means iterating over each LV it contains to do the remove.
*
* Use processing handle with void_handle.internal_report_for_select=0
* for the process_each_lv_in_vg that is called later in this fn.
* We need to disable internal selection for process_each_lv_in_vg
* here as selection is already done by process_each_vg which calls
* vgremove_single. Otherwise selection would be done per-LV and
* not per-VG as we intend!
*/
struct processing_handle void_handle = {0};
/*
* Single force is equivalent to sinle --yes
* Even multiple --yes are equivalent to single --force
* When we require -ff it cannot be replaces with -f -y
*/
force_t force = (force_t) arg_count(cmd, force_ARG)
? : (arg_is_set(cmd, yes_ARG) ? DONT_PROMPT : PROMPT);
unsigned lv_count, missing;
int ret;
if (!vg_check_status(vg, EXPORTED_VG))
return_ECMD_FAILED;
lv_count = vg_visible_lvs(vg);
if (lv_count) {
if (force == PROMPT) {
if ((missing = vg_missing_pv_count(vg)))
log_warn("WARNING: %d physical volumes are currently missing "
"from the system.", missing);
if (yes_no_prompt("Do you really want to remove volume "
"group \"%s\" containing %u "
"logical volumes? [y/n]: ",
vg_name, lv_count) == 'n') {
log_error("Volume group \"%s\" not removed", vg_name);
return ECMD_FAILED;
}
}
if ((ret = process_each_lv_in_vg(cmd, vg, NULL, NULL, 1, &void_handle,
(process_single_lv_fn_t)lvremove_single)) != ECMD_PROCESSED) {
stack;
return ret;
}
}
if (!force && !vg_remove_check(vg))
return_ECMD_FAILED;
vg_remove_pvs(vg);
if (!vg_remove(vg))
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;
}
cmd->handles_missing_pvs = 1;
ret = process_each_vg(cmd, argc, argv,
READ_FOR_UPDATE,
NULL, &vgremove_single);
return ret;
}