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5793ecd165
Add --foreign to the remaining reporting and display commands plus vgcfgbackup. Add a NEEDS_FOREIGN_VGS flag for vgimport to always set --foreign. If lvmetad is being used with --foreign, scan foreign VGs (currently implemented as a full PV scan). Handle these things centrally in lvmcmdline.c. Also allow lvchange and vgchange -an/-aln to deactivate any foreign LVs that happen to be active if something went wrong. Remember to set the system ID when creating a new VG in vgsplit.
190 lines
6.6 KiB
C
190 lines
6.6 KiB
C
/*
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* Copyright (C) 2001-2004 Sistina Software, Inc. All rights reserved.
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* Copyright (C) 2004-2007 Red Hat, Inc. All rights reserved.
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*
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* This file is part of LVM2.
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*
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* This copyrighted material is made available to anyone wishing to use,
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* modify, copy, or redistribute it subject to the terms and conditions
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* of the GNU Lesser General Public License v.2.1.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef _LVM_TOOLS_H
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#define _LVM_TOOLS_H
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#define _GNU_SOURCE
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#define _FILE_OFFSET_BITS 64
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#include "configure.h"
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#include <assert.h>
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#include "libdevmapper.h"
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#include "lvm-logging.h"
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#include "activate.h"
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#include "archiver.h"
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#include "lvmcache.h"
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#include "lvmetad.h"
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#include "lvm-version.h"
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#include "config.h"
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#include "defaults.h"
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#include "dev-cache.h"
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#include "device.h"
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#include "display.h"
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#include "errors.h"
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#include "metadata-exported.h"
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#include "locking.h"
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#include "lvm-exec.h"
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#include "lvm-file.h"
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#include "lvm-signal.h"
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#include "lvm-string.h"
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#include "segtype.h"
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#include "str_list.h"
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#include "toolcontext.h"
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#include "toollib.h"
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#include <stdlib.h>
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#include <unistd.h>
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#include <ctype.h>
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#include <limits.h>
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#include <stdarg.h>
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#include <sys/types.h>
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#define CMD_LEN 256
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#define MAX_ARGS 64
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/* command functions */
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typedef int (*command_fn) (struct cmd_context * cmd, int argc, char **argv);
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#define xx(a, b...) int a(struct cmd_context *cmd, int argc, char **argv);
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#include "commands.h"
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#undef xx
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/* define the enums for the command line switches */
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enum {
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#define arg(a, b, c, d, e) a ,
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#include "args.h"
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#undef arg
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};
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#define ARG_COUNTABLE 0x00000001 /* E.g. -vvvv */
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#define ARG_GROUPABLE 0x00000002 /* E.g. --addtag */
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struct arg_values {
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unsigned count;
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char *value;
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int32_t i_value;
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uint32_t ui_value;
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int64_t i64_value;
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uint64_t ui64_value;
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sign_t sign;
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percent_type_t percent;
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/* void *ptr; // Currently not used. */
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};
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/* a global table of possible arguments */
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struct arg_props {
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const char short_arg;
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char _padding[7];
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const char *long_arg;
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int (*fn) (struct cmd_context *cmd, struct arg_values *av);
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uint32_t flags;
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};
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struct arg_value_group_list {
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struct dm_list list;
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struct arg_values arg_values[0];
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};
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#define CACHE_VGMETADATA 0x00000001
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#define PERMITTED_READ_ONLY 0x00000002
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/* Process all VGs if none specified on the command line. */
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#define ALL_VGS_IS_DEFAULT 0x00000004
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/* Process all devices with --all if none are specified on the command line. */
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#define ENABLE_ALL_DEVS 0x00000008
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/* Exactly one VG name argument required. */
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#define ONE_VGNAME_ARG 0x00000010
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/* Processes foreign VGs by default */
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#define NEEDS_FOREIGN_VGS 0x00000020
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/* a register of the lvm commands */
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struct command {
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const char *name;
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const char *desc;
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const char *usage;
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command_fn fn;
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unsigned flags;
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int num_args;
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int *valid_args;
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};
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void usage(const char *name);
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/* the argument verify/normalise functions */
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int yes_no_arg(struct cmd_context *cmd, struct arg_values *av);
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int activation_arg(struct cmd_context *cmd, struct arg_values *av);
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int discards_arg(struct cmd_context *cmd, struct arg_values *av);
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int mirrorlog_arg(struct cmd_context *cmd, struct arg_values *av);
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int size_kb_arg(struct cmd_context *cmd, struct arg_values *av);
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int size_mb_arg(struct cmd_context *cmd, struct arg_values *av);
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int size_mb_arg_with_percent(struct cmd_context *cmd, struct arg_values *av);
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int int_arg(struct cmd_context *cmd, struct arg_values *av);
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int int_arg_with_sign(struct cmd_context *cmd, struct arg_values *av);
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int int_arg_with_sign_and_percent(struct cmd_context *cmd, struct arg_values *av);
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int major_arg(struct cmd_context *cmd, struct arg_values *av);
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int minor_arg(struct cmd_context *cmd, struct arg_values *av);
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int string_arg(struct cmd_context *cmd, struct arg_values *av);
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int tag_arg(struct cmd_context *cmd, struct arg_values *av);
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int permission_arg(struct cmd_context *cmd, struct arg_values *av);
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int metadatatype_arg(struct cmd_context *cmd, struct arg_values *av);
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int units_arg(struct cmd_context *cmd, struct arg_values *av);
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int segtype_arg(struct cmd_context *cmd, struct arg_values *av);
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int alloc_arg(struct cmd_context *cmd, struct arg_values *av);
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int readahead_arg(struct cmd_context *cmd, struct arg_values *av);
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int metadatacopies_arg(struct cmd_context *cmd __attribute__((unused)), struct arg_values *av);
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/* we use the enums to access the switches */
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unsigned arg_count(const struct cmd_context *cmd, int a);
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unsigned arg_is_set(const struct cmd_context *cmd, int a);
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int arg_from_list_is_set(const struct cmd_context *cmd, const char *err_found, ...);
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int arg_outside_list_is_set(const struct cmd_context *cmd, const char *err_found, ...);
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int arg_from_list_is_negative(const struct cmd_context *cmd, const char *err_found, ...);
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int arg_from_list_is_zero(const struct cmd_context *cmd, const char *err_found, ...);
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const char *arg_long_option_name(int a);
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const char *arg_value(const struct cmd_context *cmd, int a);
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const char *arg_str_value(const struct cmd_context *cmd, int a, const char *def);
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int32_t arg_int_value(const struct cmd_context *cmd, int a, const int32_t def);
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int32_t first_grouped_arg_int_value(const struct cmd_context *cmd, int a, const int32_t def);
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uint32_t arg_uint_value(const struct cmd_context *cmd, int a, const uint32_t def);
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int64_t arg_int64_value(const struct cmd_context *cmd, int a, const int64_t def);
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uint64_t arg_uint64_value(const struct cmd_context *cmd, int a, const uint64_t def);
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const void *arg_ptr_value(const struct cmd_context *cmd, int a, const void *def);
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sign_t arg_sign_value(const struct cmd_context *cmd, int a, const sign_t def);
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percent_type_t arg_percent_value(const struct cmd_context *cmd, int a, const percent_type_t def);
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int arg_count_increment(struct cmd_context *cmd, int a);
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unsigned grouped_arg_count(const struct arg_values *av, int a);
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unsigned grouped_arg_is_set(const struct arg_values *av, int a);
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const char *grouped_arg_str_value(const struct arg_values *av, int a, const char *def);
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int32_t grouped_arg_int_value(const struct arg_values *av, int a, const int32_t def);
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const char *command_name(struct cmd_context *cmd);
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int pvmove_poll(struct cmd_context *cmd, const char *pv, unsigned background);
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int lvconvert_poll(struct cmd_context *cmd, struct logical_volume *lv, unsigned background);
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int mirror_remove_missing(struct cmd_context *cmd,
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struct logical_volume *lv, int force);
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int vgchange_activate(struct cmd_context *cmd, struct volume_group *vg,
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activation_change_t activate);
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#endif
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