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lvm2/tools/pvresize.c
Zdenek Kabelac e0bfc946cb pvresize: update message
There is always at least PV header update even if the size
of PV remains same (so it's not really resized).
Try to make it a slightly less confusing.
2018-06-22 12:34:24 +02:00

105 lines
2.7 KiB
C

/*
* Copyright (C) 2001-2004 Sistina Software, Inc. All rights reserved.
* Copyright (C) 2004-2005 Red Hat, Inc. All rights reserved.
* Copyright (C) 2005 Zak Kipling. 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "tools.h"
struct pvresize_params {
uint64_t new_size;
unsigned done;
unsigned total;
};
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 pvresize(struct cmd_context *cmd, int argc, char **argv)
{
struct pvresize_params params;
struct processing_handle *handle = NULL;
int ret;
if (!argc) {
log_error("Please supply physical volume(s)");
ret = EINVALID_CMD_LINE;
goto out;
}
if (arg_sign_value(cmd, setphysicalvolumesize_ARG, SIGN_NONE) == SIGN_MINUS) {
log_error("Physical volume size may not be negative");
ret = EINVALID_CMD_LINE;
goto out;
}
params.new_size = arg_uint64_value(cmd, setphysicalvolumesize_ARG,
UINT64_C(0));
params.done = 0;
params.total = 0;
set_pv_notify(cmd);
if (!(handle = init_processing_handle(cmd, NULL))) {
log_error("Failed to initialize processing handle.");
ret = ECMD_FAILED;
goto out;
}
handle->custom_handle = &params;
ret = process_each_pv(cmd, argc, argv, NULL, 0, READ_FOR_UPDATE | READ_ALLOW_EXPORTED, handle, _pvresize_single);
log_print_unless_silent("%d physical volume(s) resized or updated / %d physical volume(s) "
"not resized", params.done, params.total - params.done);
out:
destroy_processing_handle(cmd, handle);
return ret;
}