AC_MSG_RESULT($MANGLING)
AC_DEFINE_UNQUOTED([DEFAULT_DM_NAME_MANGLING], $mangling, [Define default name mangling behaviour])
-################################################################################
-dnl -- LVM1 tool fallback option
-AC_MSG_CHECKING(whether to enable lvm1 fallback)
-AC_ARG_ENABLE(lvm1_fallback,
- AC_HELP_STRING([--enable-lvm1_fallback],
- [use this to fall back and use LVM1 binaries if
- device-mapper is missing from the kernel]),
- LVM1_FALLBACK=$enableval, LVM1_FALLBACK=no)
-AC_MSG_RESULT($LVM1_FALLBACK)
-
-if test "$LVM1_FALLBACK" = yes; then
- DEFAULT_FALLBACK_TO_LVM1=1
- AC_DEFINE([LVM1_FALLBACK], 1, [Define to 1 if 'lvm' should fall back to using LVM1 binaries if device-mapper is missing from the kernel])
-else
- DEFAULT_FALLBACK_TO_LVM1=0
-fi
-AC_DEFINE_UNQUOTED(DEFAULT_FALLBACK_TO_LVM1, [$DEFAULT_FALLBACK_TO_LVM1],
- [Fall back to LVM1 by default if device-mapper is missing from the kernel.])
-
-################################################################################
-dnl -- format1 inclusion type
-AC_MSG_CHECKING(whether to include support for lvm1 metadata)
-AC_ARG_WITH(lvm1,
- AC_HELP_STRING([--with-lvm1=TYPE],
- [LVM1 metadata support: internal/shared/none [internal]]),
- LVM1=$withval, LVM1=internal)
-
-AC_MSG_RESULT($LVM1)
-
-case "$LVM1" in
- none|shared) ;;
- internal) AC_DEFINE([LVM1_INTERNAL], 1,
- [Define to 1 to include built-in support for LVM1 metadata.]) ;;
- *) AC_MSG_ERROR([--with-lvm1 parameter invalid]) ;;
-esac
-
-################################################################################
-dnl -- format_pool inclusion type
-AC_MSG_CHECKING(whether to include support for GFS pool metadata)
-AC_ARG_WITH(pool,
- AC_HELP_STRING([--with-pool=TYPE],
- [GFS pool read-only support: internal/shared/none [internal]]),
- POOL=$withval, POOL=internal)
-AC_MSG_RESULT($POOL)
-
-case "$POOL" in
- none|shared) ;;
- internal) AC_DEFINE([POOL_INTERNAL], 1,
- [Define to 1 to include built-in support for GFS pool metadata.]) ;;
- *) AC_MSG_ERROR([--with-pool parameter invalid])
-esac
-
################################################################################
dnl -- cluster_locking inclusion type
AC_MSG_CHECKING(whether to include support for cluster locking)
AC_SUBST(DEFAULT_DATA_ALIGNMENT)
AC_SUBST(DEFAULT_DM_RUN_DIR)
AC_SUBST(DEFAULT_LOCK_DIR)
-AC_SUBST(DEFAULT_FALLBACK_TO_LVM1)
AC_SUBST(DEFAULT_MIRROR_SEGTYPE)
AC_SUBST(DEFAULT_PID_DIR)
AC_SUBST(DEFAULT_PROFILE_SUBDIR)
AC_SUBST(LDDEPS)
AC_SUBST(LIBS)
AC_SUBST(LIB_SUFFIX)
-AC_SUBST(LVM1)
-AC_SUBST(LVM1_FALLBACK)
AC_SUBST(LVM_VERSION)
AC_SUBST(LVM_LIBAPI)
AC_SUBST(LVM_MAJOR)
AC_SUBST(OCFDIR)
AC_SUBST(ODIRECT)
AC_SUBST(PKGCONFIG)
-AC_SUBST(POOL)
AC_SUBST(M_LIBS)
AC_SUBST(PTHREAD_LIBS)
AC_SUBST(PYTHON2)
conf/metadata_profile_template.profile
include/Makefile
lib/Makefile
-lib/format1/Makefile
-lib/format_pool/Makefile
lib/locking/Makefile
include/lvm-version.h
libdaemon/Makefile
lock_flags = args[1];
lockname = &args[2];
/* Check to see if the VG is in use by LVM1 */
- status = do_check_lvm1(lockname);
do_lock_vg(lock_cmd, lock_flags, lockname);
break;
return 0;
}
-/* Check if a VG is in use by LVM1 so we don't stomp on it */
-int do_check_lvm1(const char *vgname)
-{
- int status;
-
- status = check_lvm1_vg_inactive(cmd, vgname);
-
- return status == 1 ? 0 : EBUSY;
-}
-
int do_refresh_cache(void)
{
DEBUGLOG("Refreshing context\n");
extern const char *do_lock_query(char *resource);
extern int post_lock_lv(unsigned char lock_cmd, unsigned char lock_flags,
char *resource);
-extern int do_check_lvm1(const char *vgname);
extern int do_refresh_cache(void);
extern int init_clvm(struct dm_hash_table *excl_uuid);
extern void destroy_lvm(void);
#define LVMETAD_TOKEN_UPDATE_IN_PROGRESS "update in progress"
#define LVMETAD_DISABLE_REASON_DIRECT "DIRECT"
-#define LVMETAD_DISABLE_REASON_LVM1 "LVM1"
#define LVMETAD_DISABLE_REASON_DUPLICATES "DUPLICATES"
#define LVMETAD_DISABLE_REASON_VGRESTORE "VGRESTORE"
#define LVMETAD_DISABLE_REASON_REPAIR "REPAIR"
#define GLFL_INVALID 0x00000001
#define GLFL_DISABLE 0x00000002
#define GLFL_DISABLE_REASON_DIRECT 0x00000004
-#define GLFL_DISABLE_REASON_LVM1 0x00000008
+ /* 0x00000008 */
#define GLFL_DISABLE_REASON_DUPLICATES 0x00000010
#define GLFL_DISABLE_REASON_VGRESTORE 0x00000020
#define GLFL_DISABLE_REASON_REPAIR 0x00000040
-#define GLFL_DISABLE_REASON_ALL (GLFL_DISABLE_REASON_DIRECT | GLFL_DISABLE_REASON_REPAIR | GLFL_DISABLE_REASON_LVM1 | GLFL_DISABLE_REASON_DUPLICATES | GLFL_DISABLE_REASON_VGRESTORE)
+#define GLFL_DISABLE_REASON_ALL (GLFL_DISABLE_REASON_DIRECT | GLFL_DISABLE_REASON_REPAIR | GLFL_DISABLE_REASON_DUPLICATES | GLFL_DISABLE_REASON_VGRESTORE)
#define VGFL_INVALID 0x00000001
reason_flags |= GLFL_DISABLE_REASON_DIRECT;
if (strstr(reason, LVMETAD_DISABLE_REASON_REPAIR))
reason_flags |= GLFL_DISABLE_REASON_REPAIR;
- if (strstr(reason, LVMETAD_DISABLE_REASON_LVM1))
- reason_flags |= GLFL_DISABLE_REASON_LVM1;
if (strstr(reason, LVMETAD_DISABLE_REASON_DUPLICATES))
reason_flags |= GLFL_DISABLE_REASON_DUPLICATES;
if (strstr(reason, LVMETAD_DISABLE_REASON_VGRESTORE))
pid = (int)daemon_request_int(r, "pid", 0);
if (s->flags & GLFL_DISABLE) {
- snprintf(reason, REASON_BUF_SIZE, "%s%s%s%s%s",
+ snprintf(reason, REASON_BUF_SIZE, "%s%s%s%s",
(s->flags & GLFL_DISABLE_REASON_DIRECT) ? LVMETAD_DISABLE_REASON_DIRECT "," : "",
(s->flags & GLFL_DISABLE_REASON_REPAIR) ? LVMETAD_DISABLE_REASON_REPAIR "," : "",
- (s->flags & GLFL_DISABLE_REASON_LVM1) ? LVMETAD_DISABLE_REASON_LVM1 "," : "",
(s->flags & GLFL_DISABLE_REASON_DUPLICATES) ? LVMETAD_DISABLE_REASON_DUPLICATES "," : "",
(s->flags & GLFL_DISABLE_REASON_VGRESTORE) ? LVMETAD_DISABLE_REASON_VGRESTORE "," : "");
}
top_srcdir = @top_srcdir@
top_builddir = @top_builddir@
-ifeq ("@LVM1@", "shared")
- SUBDIRS = format1
-endif
-
-ifeq ("@POOL@", "shared")
- SUBDIRS += format_pool
-endif
-
ifeq ("@CLUSTER@", "shared")
SUBDIRS += locking
endif
uuid/uuid.c \
zero/zero.c
-ifeq ("@LVM1@", "internal")
- SOURCES +=\
- format1/disk-rep.c \
- format1/format1.c \
- format1/import-export.c \
- format1/import-extents.c \
- format1/layout.c \
- format1/lvm1-label.c \
- format1/vg_number.c
-endif
-
-ifeq ("@POOL@", "internal")
- SOURCES +=\
- format_pool/disk_rep.c \
- format_pool/format_pool.c \
- format_pool/import_export.c \
- format_pool/pool_label.c
-endif
-
ifeq ("@CLUSTER@", "internal")
SOURCES += locking/cluster_locking.c
endif
ifeq ($(MAKECMDGOALS),distclean)
SUBDIRS =\
- format1 \
- format_pool \
notify \
locking
endif
#define _skip(fmt, args...) log_very_verbose("Skipping: " fmt , ## args)
-int lvm1_present(struct cmd_context *cmd)
-{
- static char path[PATH_MAX];
-
- if (dm_snprintf(path, sizeof(path), "%s/lvm/global", cmd->proc_dir)
- < 0) {
- log_error("LVM1 proc global snprintf failed");
- return 0;
- }
-
- return (path_exists(path)) ? 1 : 0;
-}
-
int list_segment_modules(struct dm_pool *mem, const struct lv_segment *seg,
struct dm_list *modules)
{
int driver_version(char *version, size_t size);
int library_version(char *version, size_t size);
-int lvm1_present(struct cmd_context *cmd);
int module_present(struct cmd_context *cmd, const char *target_name);
int target_present_version(struct cmd_context *cmd, const char *target_name,
#include "memlock.h"
#include "str_list.h"
#include "format-text.h"
-#include "format_pool.h"
-#include "format1.h"
#include "config.h"
#include "lvmetad.h"
/* For VG_ORPHANS, we need to invalidate all labels on orphan PVs. */
if (!strcmp(vgname, VG_ORPHANS)) {
_drop_metadata(FMT_TEXT_ORPHAN_VG_NAME, 0);
- _drop_metadata(FMT_LVM1_ORPHAN_VG_NAME, 0);
- _drop_metadata(FMT_POOL_ORPHAN_VG_NAME, 0);
} else
_drop_metadata(vgname, drop_precommitted);
}
static struct cmd_context *_lvmetad_cmd = NULL;
static int64_t _lvmetad_update_timeout;
-static int _found_lvm1_metadata = 0;
-
static struct volume_group *_lvmetad_pvscan_vg(struct cmd_context *cmd, struct volume_group *vg, const char *vgid, struct format_type *fmt);
static uint64_t _monotonic_seconds(void)
if (!baton.fid)
goto_bad;
- if (fmt->features & FMT_OBSOLETE) {
- fmt->ops->destroy_instance(baton.fid);
- log_warn("WARNING: Disabling lvmetad cache which does not support obsolete (lvm1) metadata.");
- lvmetad_set_disabled(cmd, LVMETAD_DISABLE_REASON_LVM1);
- _found_lvm1_metadata = 1;
- /*
- * return 1 (success) so that we'll continue to populate lvmetad
- * instead of leaving the update incomplete.
- */
- return 1;
- }
-
lvmcache_foreach_mda(info, _lvmetad_pvscan_single, &baton);
if (!baton.vg)
}
/*
- * If lvmetad is disabled, and no lvm1 metadata was seen and no
- * duplicate PVs were seen, then re-enable lvmetad.
+ * If lvmetad is disabled, and no duplicate PVs were seen, then re-enable lvmetad.
*/
- if (lvmetad_is_disabled(cmd, &reason) &&
- !lvmcache_found_duplicate_pvs() && !_found_lvm1_metadata) {
+ if (lvmetad_is_disabled(cmd, &reason) && !lvmcache_found_duplicate_pvs()) {
log_debug_lvmetad("Enabling lvmetad which was previously disabled.");
lvmetad_clear_disabled(cmd);
}
} else if (strstr(reply_reason, LVMETAD_DISABLE_REASON_REPAIR)) {
*reason = "a repair command was run";
- } else if (strstr(reply_reason, LVMETAD_DISABLE_REASON_LVM1)) {
- *reason = "LVM1 metadata was found";
-
} else if (strstr(reply_reason, LVMETAD_DISABLE_REASON_DUPLICATES)) {
*reason = "duplicate PVs were found";
#include "sharedlib.h"
#endif
-#ifdef LVM1_INTERNAL
-#include "format1.h"
-#endif
-
-#ifdef POOL_INTERNAL
-#include "format_pool.h"
-#endif
-
#include <locale.h>
#include <sys/stat.h>
#include <sys/syscall.h>
const struct dm_config_node *cn;
#endif
-#ifdef LVM1_INTERNAL
- if (!(fmt = init_lvm1_format(cmd)))
- return 0;
- fmt->library = NULL;
- dm_list_add(&cmd->formats, &fmt->list);
-#endif
-
-#ifdef POOL_INTERNAL
- if (!(fmt = init_pool_format(cmd)))
- return 0;
- fmt->library = NULL;
- dm_list_add(&cmd->formats, &fmt->list);
-#endif
-
#ifdef HAVE_LIBDL
/* Load any formats in shared libs if not static */
if (!is_static() &&
"is not present in the kernel, disabling this should suppress\n"
"the error messages.\n")
-cfg(global_fallback_to_lvm1_CFG, "fallback_to_lvm1", global_CFG_SECTION, CFG_DEFAULT_COMMENTED, CFG_TYPE_BOOL, DEFAULT_FALLBACK_TO_LVM1, vsn(1, 0, 18), "@DEFAULT_FALLBACK_TO_LVM1@", 0, NULL,
- "Try running LVM1 tools if LVM cannot communicate with DM.\n"
- "This option only applies to 2.4 kernels and is provided to help\n"
- "switch between device-mapper kernels and LVM1 kernels. The LVM1\n"
- "tools need to be installed with .lvm1 suffices, e.g. vgscan.lvm1.\n"
- "They will stop working once the lvm2 on-disk metadata format is used.\n")
+cfg(global_fallback_to_lvm1_CFG, "fallback_to_lvm1", global_CFG_SECTION, CFG_DEFAULT_COMMENTED, CFG_TYPE_BOOL, 0, vsn(1, 0, 18), NULL, 0, NULL,
+ "This setting setting no longer used.\n")
cfg(global_format_CFG, "format", global_CFG_SECTION, CFG_DEFAULT_COMMENTED, CFG_TYPE_STRING, DEFAULT_FORMAT, vsn(1, 0, 0), NULL, 0, NULL,
- "The default metadata format that commands should use.\n"
- "The -M 1|2 option overrides this setting.\n"
- "#\n"
- "Accepted values:\n"
- " lvm1\n"
- " lvm2\n"
- "#\n")
+ "This setting is no longer used.\n")
cfg_array(global_format_libraries_CFG, "format_libraries", global_CFG_SECTION, CFG_DEFAULT_UNDEFINED, CFG_TYPE_STRING, NULL, vsn(1, 0, 0), NULL, 0, NULL,
- "Shared libraries that process different metadata formats.\n"
- "If support for LVM1 metadata was compiled as a shared library use\n"
- "format_libraries = \"liblvm2format1.so\"\n")
+ "This setting is no longer used.")
cfg_array(global_segment_libraries_CFG, "segment_libraries", global_CFG_SECTION, CFG_DEFAULT_UNDEFINED, CFG_TYPE_STRING, NULL, vsn(1, 0, 18), NULL, 0, NULL, NULL)
log_print("--- Volume group ---");
log_print("VG Name %s", vg->name);
- log_print("System ID %s", (vg->system_id && *vg->system_id) ? vg->system_id : vg->lvm1_system_id ? : "");
+ log_print("System ID %s", (vg->system_id && *vg->system_id) ? vg->system_id : "");
log_print("Format %s", vg->fid->fmt->name);
- if (vg->fid->fmt->features & FMT_MDAS) {
- log_print("Metadata Areas %d",
- vg_mda_count(vg));
- log_print("Metadata Sequence No %d", vg->seqno);
- }
+ log_print("Metadata Areas %d", vg_mda_count(vg));
+ log_print("Metadata Sequence No %d", vg->seqno);
access_str = vg->status & (LVM_READ | LVM_WRITE);
log_print("VG Access %s%s%s%s",
access_str == (LVM_READ | LVM_WRITE) ? "read/write" : "",
+++ /dev/null
-init_format
+++ /dev/null
-#
-# Copyright (C) 2002-2004 Sistina Software, Inc. All rights reserved.
-# Copyright (C) 2004-2010 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 General Public License v.2.
-#
-# You should have received a copy of the GNU 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
-
-srcdir = @srcdir@
-top_srcdir = @top_srcdir@
-top_builddir = @top_builddir@
-
-SOURCES =\
- disk-rep.c \
- format1.c \
- import-export.c \
- import-extents.c \
- layout.c \
- lvm1-label.c \
- vg_number.c
-
-LIB_SHARED = liblvm2format1.$(LIB_SUFFIX)
-LIB_VERSION = $(LIB_VERSION_LVM)
-
-include $(top_builddir)/make.tmpl
-
-install: install_lvm2_plugin
+++ /dev/null
-/*
- * Copyright (C) 2001-2004 Sistina Software, Inc. All rights reserved.
- * Copyright (C) 2004-2007 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#include "lib.h"
-#include "disk-rep.h"
-#include "xlate.h"
-#include "lvmcache.h"
-#include "metadata-exported.h"
-
-#include <fcntl.h>
-
-#define xx16(v) disk->v = xlate16(disk->v)
-#define xx32(v) disk->v = xlate32(disk->v)
-#define xx64(v) disk->v = xlate64(disk->v)
-
-/*
- * Functions to perform the endian conversion
- * between disk and core. The same code works
- * both ways of course.
- */
-static void _xlate_pvd(struct pv_disk *disk)
-{
- xx16(version);
-
- xx32(pv_on_disk.base);
- xx32(pv_on_disk.size);
- xx32(vg_on_disk.base);
- xx32(vg_on_disk.size);
- xx32(pv_uuidlist_on_disk.base);
- xx32(pv_uuidlist_on_disk.size);
- xx32(lv_on_disk.base);
- xx32(lv_on_disk.size);
- xx32(pe_on_disk.base);
- xx32(pe_on_disk.size);
-
- xx32(pv_major);
- xx32(pv_number);
- xx32(pv_status);
- xx32(pv_allocatable);
- xx32(pv_size);
- xx32(lv_cur);
- xx32(pe_size);
- xx32(pe_total);
- xx32(pe_allocated);
- xx32(pe_start);
-}
-
-static void _xlate_lvd(struct lv_disk *disk)
-{
- xx32(lv_access);
- xx32(lv_status);
- xx32(lv_open);
- xx32(lv_dev);
- xx32(lv_number);
- xx32(lv_mirror_copies);
- xx32(lv_recovery);
- xx32(lv_schedule);
- xx32(lv_size);
- xx32(lv_snapshot_minor);
- xx16(lv_chunk_size);
- xx16(dummy);
- xx32(lv_allocated_le);
- xx32(lv_stripes);
- xx32(lv_stripesize);
- xx32(lv_badblock);
- xx32(lv_allocation);
- xx32(lv_io_timeout);
- xx32(lv_read_ahead);
-}
-
-static void _xlate_vgd(struct vg_disk *disk)
-{
- xx32(vg_number);
- xx32(vg_access);
- xx32(vg_status);
- xx32(lv_max);
- xx32(lv_cur);
- xx32(lv_open);
- xx32(pv_max);
- xx32(pv_cur);
- xx32(pv_act);
- xx32(dummy);
- xx32(vgda);
- xx32(pe_size);
- xx32(pe_total);
- xx32(pe_allocated);
- xx32(pvg_total);
-}
-
-static void _xlate_extents(struct pe_disk *extents, uint32_t count)
-{
- unsigned i;
-
- for (i = 0; i < count; i++) {
- extents[i].lv_num = xlate16(extents[i].lv_num);
- extents[i].le_num = xlate16(extents[i].le_num);
- }
-}
-
-/*
- * Handle both minor metadata formats.
- */
-static int _munge_formats(struct pv_disk *pvd)
-{
- uint32_t pe_start;
- unsigned b, e;
-
- switch (pvd->version) {
- case 1:
- pvd->pe_start = ((pvd->pe_on_disk.base +
- pvd->pe_on_disk.size) >> SECTOR_SHIFT);
- break;
-
- case 2:
- pvd->version = 1;
- pe_start = pvd->pe_start << SECTOR_SHIFT;
- pvd->pe_on_disk.size = pe_start - pvd->pe_on_disk.base;
- break;
-
- default:
- return 0;
- }
-
- /* UUID too long? */
- if (pvd->pv_uuid[ID_LEN]) {
- /* Retain ID_LEN chars from end */
- for (e = ID_LEN; e < sizeof(pvd->pv_uuid); e++) {
- if (!pvd->pv_uuid[e]) {
- e--;
- break;
- }
- }
- for (b = 0; b < ID_LEN; b++) {
- pvd->pv_uuid[b] = pvd->pv_uuid[++e - ID_LEN];
- /* FIXME Remove all invalid chars */
- if (pvd->pv_uuid[b] == '/')
- pvd->pv_uuid[b] = '#';
- }
- memset(&pvd->pv_uuid[ID_LEN], 0, sizeof(pvd->pv_uuid) - ID_LEN);
- }
-
- /* If UUID is missing, create one */
- if (pvd->pv_uuid[0] == '\0') {
- uuid_from_num((char *)pvd->pv_uuid, pvd->pv_number);
- pvd->pv_uuid[ID_LEN] = '\0';
- }
-
- return 1;
-}
-
-/*
- * If exported, remove "PV_EXP" from end of VG name
- */
-static void _munge_exported_vg(struct pv_disk *pvd)
-{
- int l;
- size_t s;
-
- /* Return if PV not in a VG */
- if ((!*pvd->vg_name))
- return;
- /* FIXME also check vgd->status & VG_EXPORTED? */
-
- l = strlen((char *)pvd->vg_name);
- s = sizeof(EXPORTED_TAG);
- if (!strncmp((char *)pvd->vg_name + l - s + 1, EXPORTED_TAG, s)) {
- pvd->vg_name[l - s + 1] = '\0';
- pvd->pv_status |= VG_EXPORTED;
- }
-}
-
-int munge_pvd(struct device *dev, struct pv_disk *pvd)
-{
- _xlate_pvd(pvd);
-
- if (pvd->id[0] != 'H' || pvd->id[1] != 'M') {
- log_very_verbose("%s does not have a valid LVM1 PV identifier",
- dev_name(dev));
- return 0;
- }
-
- if (!_munge_formats(pvd)) {
- log_very_verbose("format1: Unknown metadata version %d "
- "found on %s", pvd->version, dev_name(dev));
- return 0;
- }
-
- /* If VG is exported, set VG name back to the real name */
- _munge_exported_vg(pvd);
-
- return 1;
-}
-
-static int _read_pvd(struct device *dev, struct pv_disk *pvd)
-{
- if (!dev_read(dev, UINT64_C(0), sizeof(*pvd), DEV_IO_FMT1, pvd)) {
- log_very_verbose("Failed to read PV data from %s",
- dev_name(dev));
- return 0;
- }
-
- return munge_pvd(dev, pvd);
-}
-
-static int _read_lvd(struct device *dev, uint64_t pos, struct lv_disk *disk)
-{
- if (!dev_read(dev, pos, sizeof(*disk), DEV_IO_FMT1, disk))
- return_0;
-
- _xlate_lvd(disk);
-
- return 1;
-}
-
-int read_vgd(struct device *dev, struct vg_disk *vgd, struct pv_disk *pvd)
-{
- uint64_t pos = pvd->vg_on_disk.base;
-
- if (!dev_read(dev, pos, sizeof(*vgd), DEV_IO_FMT1, vgd))
- return_0;
-
- _xlate_vgd(vgd);
-
- if ((vgd->lv_max > MAX_LV) || (vgd->pv_max > MAX_PV))
- return_0;
-
- /* If UUID is missing, create one */
- if (vgd->vg_uuid[0] == '\0')
- uuid_from_num((char *)vgd->vg_uuid, vgd->vg_number);
-
- return 1;
-}
-
-static int _read_uuids(struct disk_list *data)
-{
- unsigned num_read = 0;
- struct uuid_list *ul;
- char buffer[NAME_LEN] __attribute__((aligned(8)));
- uint64_t pos = data->pvd.pv_uuidlist_on_disk.base;
- uint64_t end = pos + data->pvd.pv_uuidlist_on_disk.size;
-
- while (pos < end && num_read < data->vgd.pv_cur) {
- if (!dev_read(data->dev, pos, sizeof(buffer), DEV_IO_FMT1, buffer))
- return_0;
-
- if (!(ul = dm_pool_alloc(data->mem, sizeof(*ul))))
- return_0;
-
- memcpy(ul->uuid, buffer, NAME_LEN);
- ul->uuid[NAME_LEN - 1] = '\0';
-
- dm_list_add(&data->uuids, &ul->list);
-
- pos += NAME_LEN;
- num_read++;
- }
-
- return 1;
-}
-
-static int _check_lvd(struct lv_disk *lvd)
-{
- return !(lvd->lv_name[0] == '\0');
-}
-
-static int _read_lvs(struct disk_list *data)
-{
- unsigned int i, lvs_read = 0;
- uint64_t pos;
- struct lvd_list *ll;
- struct vg_disk *vgd = &data->vgd;
-
- for (i = 0; (i < vgd->lv_max) && (lvs_read < vgd->lv_cur); i++) {
- pos = data->pvd.lv_on_disk.base + (i * sizeof(struct lv_disk));
- ll = dm_pool_alloc(data->mem, sizeof(*ll));
-
- if (!ll)
- return_0;
-
- if (!_read_lvd(data->dev, pos, &ll->lvd))
- return_0;
-
- if (!_check_lvd(&ll->lvd))
- continue;
-
- lvs_read++;
- dm_list_add(&data->lvds, &ll->list);
- }
-
- return 1;
-}
-
-static int _read_extents(struct disk_list *data)
-{
- size_t len = sizeof(struct pe_disk) * data->pvd.pe_total;
- struct pe_disk *extents = dm_pool_alloc(data->mem, len);
- uint64_t pos = data->pvd.pe_on_disk.base;
-
- if (!extents)
- return_0;
-
- if (!dev_read(data->dev, pos, len, DEV_IO_FMT1, extents))
- return_0;
-
- _xlate_extents(extents, data->pvd.pe_total);
- data->extents = extents;
-
- return 1;
-}
-
-static void __update_lvmcache(const struct format_type *fmt,
- struct disk_list *dl,
- struct device *dev, const char *vgid,
- unsigned exported)
-{
- struct lvmcache_info *info;
- const char *vgname = *((char *)dl->pvd.vg_name) ?
- (char *)dl->pvd.vg_name : fmt->orphan_vg_name;
-
- if (!(info = lvmcache_add(fmt->labeller, (char *)dl->pvd.pv_uuid, dev,
- vgname, vgid, exported ? EXPORTED_VG : 0))) {
- stack;
- return;
- }
-
- lvmcache_set_device_size(info, ((uint64_t)xlate32(dl->pvd.pv_size)) << SECTOR_SHIFT);
- lvmcache_del_mdas(info);
-}
-
-static struct disk_list *__read_disk(const struct format_type *fmt,
- struct device *dev, struct dm_pool *mem,
- const char *vg_name)
-{
- struct disk_list *dl = dm_pool_zalloc(mem, sizeof(*dl));
- const char *name = dev_name(dev);
-
- if (!dl)
- return_NULL;
-
- dl->dev = dev;
- dl->mem = mem;
- dm_list_init(&dl->uuids);
- dm_list_init(&dl->lvds);
-
- if (!_read_pvd(dev, &dl->pvd))
- goto_bad;
-
- /*
- * is it an orphan ?
- */
- if (!*dl->pvd.vg_name) {
- log_very_verbose("%s is not a member of any format1 VG", name);
-
- __update_lvmcache(fmt, dl, dev, fmt->orphan_vg_name, 0);
- return (vg_name) ? NULL : dl;
- }
-
- if (!read_vgd(dl->dev, &dl->vgd, &dl->pvd)) {
- log_error("Failed to read VG data from PV (%s)", name);
- __update_lvmcache(fmt, dl, dev, fmt->orphan_vg_name, 0);
- goto bad;
- }
-
- if (vg_name && strcmp(vg_name, (char *)dl->pvd.vg_name)) {
- log_very_verbose("%s is not a member of the VG %s",
- name, vg_name);
- __update_lvmcache(fmt, dl, dev, fmt->orphan_vg_name, 0);
- goto bad;
- }
-
- __update_lvmcache(fmt, dl, dev, (char *)dl->vgd.vg_uuid,
- dl->vgd.vg_status & VG_EXPORTED);
-
- if (!_read_uuids(dl)) {
- log_error("Failed to read PV uuid list from %s", name);
- goto bad;
- }
-
- if (!_read_lvs(dl)) {
- log_error("Failed to read LV's from %s", name);
- goto bad;
- }
-
- if (!_read_extents(dl)) {
- log_error("Failed to read extents from %s", name);
- goto bad;
- }
-
- log_very_verbose("Found %s in %sVG %s", name,
- (dl->vgd.vg_status & VG_EXPORTED) ? "exported " : "",
- dl->pvd.vg_name);
-
- return dl;
-
- bad:
- dm_pool_free(dl->mem, dl);
- return NULL;
-}
-
-struct disk_list *read_disk(const struct format_type *fmt, struct device *dev,
- struct dm_pool *mem, const char *vg_name)
-{
- struct disk_list *dl;
-
- if (!dev_open_readonly(dev))
- return_NULL;
-
- dl = __read_disk(fmt, dev, mem, vg_name);
-
- if (!dev_close(dev))
- stack;
-
- return dl;
-}
-
-static void _add_pv_to_list(struct cmd_context *cmd, struct dm_list *head, struct disk_list *data)
-{
- struct pv_disk *pvd;
- struct disk_list *diskl;
-
- dm_list_iterate_items(diskl, head) {
- pvd = &diskl->pvd;
- if (!strncmp((char *)data->pvd.pv_uuid, (char *)pvd->pv_uuid,
- sizeof(pvd->pv_uuid))) {
- if (!dev_subsystem_part_major(cmd->dev_types, data->dev)) {
- log_very_verbose("Ignoring duplicate PV %s on "
- "%s", pvd->pv_uuid,
- dev_name(data->dev));
- return;
- }
- log_very_verbose("Duplicate PV %s - using %s %s",
- pvd->pv_uuid, dev_subsystem_name(cmd->dev_types, data->dev),
- dev_name(data->dev));
- dm_list_del(&diskl->list);
- break;
- }
- }
- dm_list_add(head, &data->list);
-}
-
-struct _read_pvs_in_vg_baton {
- const char *vg_name;
- struct dm_list *head;
- struct disk_list *data;
- struct dm_pool *mem;
- int empty;
-};
-
-static int _read_pv_in_vg(struct lvmcache_info *info, void *baton)
-{
- struct _read_pvs_in_vg_baton *b = baton;
-
- b->empty = 0;
-
- if (!lvmcache_device(info) ||
- !(b->data = read_disk(lvmcache_fmt(info), lvmcache_device(info), b->mem, b->vg_name)))
- return 0; /* stop here */
-
- _add_pv_to_list(lvmcache_fmt(info)->cmd, b->head, b->data);
- return 1;
-}
-
-/*
- * Build a list of pv_d's structures, allocated from mem.
- * We keep track of the first object allocated from the pool
- * so we can free off all the memory if something goes wrong.
- */
-int read_pvs_in_vg(const struct format_type *fmt, const char *vg_name,
- struct dev_filter *filter, struct dm_pool *mem,
- struct dm_list *head)
-{
- struct dev_iter *iter;
- struct device *dev;
- struct lvmcache_vginfo *vginfo;
- struct _read_pvs_in_vg_baton baton;
-
- baton.head = head;
- baton.empty = 1;
- baton.data = NULL;
- baton.mem = mem;
- baton.vg_name = vg_name;
-
- /* Fast path if we already saw this VG and cached the list of PVs */
- if (vg_name && (vginfo = lvmcache_vginfo_from_vgname(vg_name, NULL))) {
-
- lvmcache_foreach_pv(vginfo, _read_pv_in_vg, &baton);
-
- if (!baton.empty) {
- /* Did we find the whole VG? */
- if (!vg_name || is_orphan_vg(vg_name) ||
- (baton.data && *baton.data->pvd.vg_name &&
- dm_list_size(head) == baton.data->vgd.pv_cur))
- return 1;
-
- /* Failed */
- dm_list_init(head);
- /* vgcache_del(vg_name); */
- }
- }
-
- if (!(iter = dev_iter_create(filter, 1))) {
- log_error("read_pvs_in_vg: dev_iter_create failed");
- return 0;
- }
-
- /* Otherwise do a complete scan */
- for (dev = dev_iter_get(iter); dev; dev = dev_iter_get(iter)) {
- if ((baton.data = read_disk(fmt, dev, mem, vg_name))) {
- _add_pv_to_list(fmt->cmd, head, baton.data);
- }
- }
- dev_iter_destroy(iter);
-
- if (dm_list_empty(head))
- return 0;
-
- return 1;
-}
-
-static int _write_vgd(struct disk_list *data)
-{
- struct vg_disk *vgd = &data->vgd;
- uint64_t pos = data->pvd.vg_on_disk.base;
-
- log_debug_metadata("Writing %s VG metadata to %s at %" PRIu64 " len %" PRIsize_t,
- data->pvd.vg_name, dev_name(data->dev), pos, sizeof(*vgd));
-
- _xlate_vgd(vgd);
- if (!dev_write(data->dev, pos, sizeof(*vgd), DEV_IO_FMT1, vgd))
- return_0;
-
- _xlate_vgd(vgd);
-
- return 1;
-}
-
-static int _write_uuids(struct disk_list *data)
-{
- struct uuid_list *ul;
- uint64_t pos = data->pvd.pv_uuidlist_on_disk.base;
- uint64_t end = pos + data->pvd.pv_uuidlist_on_disk.size;
-
- dm_list_iterate_items(ul, &data->uuids) {
- if (pos >= end) {
- log_error("Too many uuids to fit on %s",
- dev_name(data->dev));
- return 0;
- }
-
- log_debug_metadata("Writing %s uuidlist to %s at %" PRIu64 " len %d",
- data->pvd.vg_name, dev_name(data->dev),
- pos, NAME_LEN);
-
- if (!dev_write(data->dev, pos, NAME_LEN, DEV_IO_FMT1, ul->uuid))
- return_0;
-
- pos += NAME_LEN;
- }
-
- return 1;
-}
-
-static int _write_lvd(struct device *dev, uint64_t pos, struct lv_disk *disk)
-{
- log_debug_metadata("Writing %s LV %s metadata to %s at %" PRIu64 " len %"
- PRIsize_t, disk->vg_name, disk->lv_name, dev_name(dev),
- pos, sizeof(*disk));
-
- _xlate_lvd(disk);
- if (!dev_write(dev, pos, sizeof(*disk), DEV_IO_FMT1, disk))
- return_0;
-
- _xlate_lvd(disk);
-
- return 1;
-}
-
-static int _write_lvs(struct disk_list *data)
-{
- struct lvd_list *ll;
- uint64_t pos, offset;
-
- pos = data->pvd.lv_on_disk.base;
-
- if (!dev_set(data->dev, pos, data->pvd.lv_on_disk.size, DEV_IO_FMT1, 0)) {
- log_error("Couldn't zero lv area on device '%s'",
- dev_name(data->dev));
- return 0;
- }
-
- dm_list_iterate_items(ll, &data->lvds) {
- offset = sizeof(struct lv_disk) * ll->lvd.lv_number;
- if (offset + sizeof(struct lv_disk) > data->pvd.lv_on_disk.size) {
- log_error("lv_number %d too large", ll->lvd.lv_number);
- return 0;
- }
-
- if (!_write_lvd(data->dev, pos + offset, &ll->lvd))
- return_0;
- }
-
- return 1;
-}
-
-static int _write_extents(struct disk_list *data)
-{
- size_t len = sizeof(struct pe_disk) * data->pvd.pe_total;
- struct pe_disk *extents = data->extents;
- uint64_t pos = data->pvd.pe_on_disk.base;
-
- log_debug_metadata("Writing %s extents metadata to %s at %" PRIu64 " len %"
- PRIsize_t, data->pvd.vg_name, dev_name(data->dev),
- pos, len);
-
- _xlate_extents(extents, data->pvd.pe_total);
- if (!dev_write(data->dev, pos, len, DEV_IO_FMT1, extents))
- return_0;
-
- _xlate_extents(extents, data->pvd.pe_total);
-
- return 1;
-}
-
-static int _write_pvd(struct disk_list *data)
-{
- char *buf;
- uint64_t pos = data->pvd.pv_on_disk.base;
- size_t size = data->pvd.pv_on_disk.size;
-
- if (size < sizeof(struct pv_disk)) {
- log_error("Invalid PV structure size.");
- return 0;
- }
-
- /* Make sure that the gap between the PV structure and
- the next one is zeroed in order to make non LVM tools
- happy (idea from AED) */
- buf = dm_zalloc(size);
- if (!buf) {
- log_error("Couldn't allocate temporary PV buffer.");
- return 0;
- }
-
- memcpy(buf, &data->pvd, sizeof(struct pv_disk));
-
- log_debug_metadata("Writing %s PV metadata to %s at %" PRIu64 " len %"
- PRIsize_t, data->pvd.vg_name, dev_name(data->dev),
- pos, size);
-
- _xlate_pvd((struct pv_disk *) buf);
- if (!dev_write(data->dev, pos, size, DEV_IO_FMT1, buf)) {
- dm_free(buf);
- return_0;
- }
-
- dm_free(buf);
- return 1;
-}
-
-/*
- * assumes the device has been opened.
- */
-static int __write_all_pvd(const struct format_type *fmt __attribute__((unused)),
- struct disk_list *data, int write_vg_metadata)
-{
- const char *pv_name = dev_name(data->dev);
-
- if (!_write_pvd(data)) {
- log_error("Failed to write PV structure onto %s", pv_name);
- return 0;
- }
-
- /* vgcache_add(data->pvd.vg_name, data->vgd.vg_uuid, data->dev, fmt); */
- /*
- * Stop here for orphan PVs or if VG metadata write not requested.
- */
- if ((data->pvd.vg_name[0] == '\0') || !write_vg_metadata) {
- /* if (!test_mode())
- vgcache_add(data->pvd.vg_name, NULL, data->dev, fmt); */
- return 1;
- }
-
- /* if (!test_mode())
- vgcache_add(data->pvd.vg_name, data->vgd.vg_uuid, data->dev,
- fmt); */
-
- if (!_write_vgd(data)) {
- log_error("Failed to write VG data to %s", pv_name);
- return 0;
- }
-
- if (!_write_uuids(data)) {
- log_error("Failed to write PV uuid list to %s", pv_name);
- return 0;
- }
-
- if (!_write_lvs(data)) {
- log_error("Failed to write LV's to %s", pv_name);
- return 0;
- }
-
- if (!_write_extents(data)) {
- log_error("Failed to write extents to %s", pv_name);
- return 0;
- }
-
- return 1;
-}
-
-/*
- * opens the device and hands to the above fn.
- */
-static int _write_all_pvd(const struct format_type *fmt, struct disk_list *data, int write_vg_metadata)
-{
- int r;
-
- if (!data->dev)
- return_0;
-
- if (!dev_open(data->dev))
- return_0;
-
- r = __write_all_pvd(fmt, data, write_vg_metadata);
-
- if (!dev_close(data->dev))
- stack;
-
- return r;
-}
-
-/*
- * Writes all the given pv's to disk. Does very
- * little sanity checking, so make sure correct
- * data is passed to here.
- */
-int write_disks(const struct format_type *fmt, struct dm_list *pvs, int write_vg_metadata)
-{
- struct disk_list *dl;
-
- dm_list_iterate_items(dl, pvs) {
- if (!(_write_all_pvd(fmt, dl, write_vg_metadata)))
- return_0;
-
- log_very_verbose("Successfully wrote data to %s",
- dev_name(dl->dev));
- }
-
- return 1;
-}
+++ /dev/null
-/*
- * Copyright (C) 2001-2004 Sistina Software, Inc. All rights reserved.
- * Copyright (C) 2004-2006 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#ifndef DISK_REP_FORMAT1_H
-#define DISK_REP_FORMAT1_H
-
-#include "metadata.h"
-#include "toolcontext.h"
-
-#define MAX_PV 256
-#define MAX_LV 256
-#define MAX_VG 99
-
-#define LVM_BLK_MAJOR 58
-
-#define MAX_PV_SIZE ((uint32_t) -1) /* 2TB in sectors - 1 */
-#define PE_SIZE_PV_SIZE_REL 5 /* PV size must be at least 5 times PE size */
-#define MAX_LE_TOTAL 65534 /* 2^16 - 2 */
-#define MAX_PE_TOTAL ((uint32_t) -2)
-
-#define UNMAPPED_EXTENT 0
-
-/* volume group */
-#define VG_ACTIVE 0x01 /* vg_status */
-#define VG_EXPORTED 0x02 /* " */
-#define VG_EXTENDABLE 0x04 /* " */
-
-#define VG_READ 0x01 /* vg_access */
-#define VG_WRITE 0x02 /* " */
-#define VG_CLUSTERED 0x04 /* " */
-#define VG_SHARED 0x08 /* " */
-
-/* logical volume */
-#define LV_ACTIVE 0x01 /* lv_status */
-#define LV_SPINDOWN 0x02 /* " */
-#define LV_PERSISTENT_MINOR 0x04 /* " */
-
-#define LV_READ 0x01 /* lv_access */
-#define LV_WRITE 0x02 /* " */
-#define LV_SNAPSHOT 0x04 /* " */
-#define LV_SNAPSHOT_ORG 0x08 /* " */
-
-#define LV_BADBLOCK_ON 0x01 /* lv_badblock */
-
-#define LV_STRICT 0x01 /* lv_allocation */
-#define LV_CONTIGUOUS 0x02 /* " */
-
-/* physical volume */
-#define PV_ACTIVE 0x01 /* pv_status */
-#define PV_ALLOCATABLE 0x02 /* pv_allocatable */
-
-#define EXPORTED_TAG "PV_EXP" /* Identifier for exported PV */
-#define IMPORTED_TAG "PV_IMP" /* Identifier for imported PV */
-
-struct data_area {
- uint32_t base;
- uint32_t size;
-} __attribute__ ((packed));
-
-struct pv_disk {
- int8_t id[2];
- uint16_t version; /* lvm version */
- struct data_area pv_on_disk;
- struct data_area vg_on_disk;
- struct data_area pv_uuidlist_on_disk;
- struct data_area lv_on_disk;
- struct data_area pe_on_disk;
- int8_t pv_uuid[NAME_LEN];
- int8_t vg_name[NAME_LEN];
- int8_t system_id[NAME_LEN]; /* for vgexport/vgimport */
- uint32_t pv_major;
- uint32_t pv_number;
- uint32_t pv_status;
- uint32_t pv_allocatable;
- uint32_t pv_size;
- uint32_t lv_cur;
- uint32_t pe_size;
- uint32_t pe_total;
- uint32_t pe_allocated;
-
- /* only present on version == 2 pv's */
- uint32_t pe_start;
-} __attribute__ ((packed));
-
-struct lv_disk {
- int8_t lv_name[NAME_LEN];
- int8_t vg_name[NAME_LEN];
- uint32_t lv_access;
- uint32_t lv_status;
- uint32_t lv_open;
- uint32_t lv_dev;
- uint32_t lv_number;
- uint32_t lv_mirror_copies; /* for future use */
- uint32_t lv_recovery; /* " */
- uint32_t lv_schedule; /* " */
- uint32_t lv_size;
- uint32_t lv_snapshot_minor; /* minor number of original */
- uint16_t lv_chunk_size; /* chunk size of snapshot */
- uint16_t dummy;
- uint32_t lv_allocated_le;
- uint32_t lv_stripes;
- uint32_t lv_stripesize;
- uint32_t lv_badblock; /* for future use */
- uint32_t lv_allocation;
- uint32_t lv_io_timeout; /* for future use */
- uint32_t lv_read_ahead;
-} __attribute__ ((packed));
-
-struct vg_disk {
- int8_t vg_uuid[ID_LEN]; /* volume group UUID */
- int8_t vg_name_dummy[NAME_LEN - ID_LEN]; /* rest of v1 VG name */
- uint32_t vg_number; /* volume group number */
- uint32_t vg_access; /* read/write */
- uint32_t vg_status; /* active or not */
- uint32_t lv_max; /* maximum logical volumes */
- uint32_t lv_cur; /* current logical volumes */
- uint32_t lv_open; /* open logical volumes */
- uint32_t pv_max; /* maximum physical volumes */
- uint32_t pv_cur; /* current physical volumes FU */
- uint32_t pv_act; /* active physical volumes */
- uint32_t dummy;
- uint32_t vgda; /* volume group descriptor arrays FU */
- uint32_t pe_size; /* physical extent size in sectors */
- uint32_t pe_total; /* total of physical extents */
- uint32_t pe_allocated; /* allocated physical extents */
- uint32_t pvg_total; /* physical volume groups FU */
-} __attribute__ ((packed));
-
-struct pe_disk {
- uint16_t lv_num;
- uint16_t le_num;
-} __attribute__ ((packed));
-
-struct uuid_list {
- struct dm_list list;
- char uuid[NAME_LEN] __attribute__((aligned(8)));
-};
-
-struct lvd_list {
- struct dm_list list;
- struct lv_disk lvd;
-};
-
-struct disk_list {
- struct dm_list list;
- struct dm_pool *mem;
- struct device *dev;
-
- struct pv_disk pvd __attribute__((aligned(8)));
- struct vg_disk vgd __attribute__((aligned(8)));
- struct dm_list uuids __attribute__((aligned(8)));
- struct dm_list lvds __attribute__((aligned(8)));
- struct pe_disk *extents __attribute__((aligned(8)));
-};
-
-/*
- * Layout constants.
- */
-#define METADATA_ALIGN 4096UL
-#define LVM1_PE_ALIGN (65536UL >> SECTOR_SHIFT) /* PE alignment */
-
-#define METADATA_BASE 0UL
-#define PV_SIZE 1024UL
-#define VG_SIZE 4096UL
-
-/*
- * Functions to calculate layout info.
- */
-int calculate_layout(struct disk_list *dl);
-int calculate_extent_count(struct physical_volume *pv, uint32_t extent_size,
- uint32_t max_extent_count, uint64_t pe_start);
-
-/*
- * Low level io routines which read/write
- * disk_lists.
- */
-
-struct disk_list *read_disk(const struct format_type *fmt, struct device *dev,
- struct dm_pool *mem, const char *vg_name);
-
-int read_pvs_in_vg(const struct format_type *fmt, const char *vg_name,
- struct dev_filter *filter,
- struct dm_pool *mem, struct dm_list *results);
-
-int write_disks(const struct format_type *fmt, struct dm_list *pvds,
- int write_vg_metadata);
-
-/*
- * Functions to translate to between disk and in
- * core structures.
- */
-int import_pv(const struct format_type *fmt, struct dm_pool *mem,
- struct device *dev, struct volume_group *vg,
- struct physical_volume *pv, struct pv_disk *pvd,
- struct vg_disk *vgd);
-int export_pv(struct cmd_context *cmd, struct dm_pool *mem,
- struct volume_group *vg,
- struct pv_disk *pvd, struct physical_volume *pv);
-
-int import_vg(struct dm_pool *mem,
- struct volume_group *vg, struct disk_list *dl);
-int export_vg(struct vg_disk *vgd, struct volume_group *vg);
-
-int import_lv(struct cmd_context *cmd, struct dm_pool *mem,
- struct logical_volume *lv, struct lv_disk *lvd);
-
-int import_extents(struct cmd_context *cmd, struct volume_group *vg,
- struct dm_list *pvds);
-int export_extents(struct disk_list *dl, uint32_t lv_num,
- struct logical_volume *lv, struct physical_volume *pv);
-
-int import_pvs(const struct format_type *fmt, struct dm_pool *mem,
- struct volume_group *vg, struct dm_list *pvds);
-
-int import_lvs(struct dm_pool *mem, struct volume_group *vg, struct dm_list *pvds);
-int export_lvs(struct disk_list *dl, struct volume_group *vg,
- struct physical_volume *pv, const char *dev_dir);
-
-int import_snapshots(struct dm_pool *mem, struct volume_group *vg,
- struct dm_list *pvds);
-
-int export_uuids(struct disk_list *dl, struct volume_group *vg);
-
-void export_numbers(struct dm_list *pvds, struct volume_group *vg);
-
-void export_pv_act(struct dm_list *pvds);
-int munge_pvd(struct device *dev, struct pv_disk *pvd);
-int read_vgd(struct device *dev, struct vg_disk *vgd, struct pv_disk *pvd);
-
-/* blech */
-int get_free_vg_number(struct format_instance *fid, struct dev_filter *filter,
- const char *candidate_vg, int *result);
-int export_vg_number(struct format_instance *fid, struct dm_list *pvds,
- const char *vg_name, struct dev_filter *filter);
-
-int generate_lvm1_system_id(struct cmd_context *cmd, char *s, const char *prefix);
-
-#endif
+++ /dev/null
-/*
- * Copyright (C) 2001-2004 Sistina Software, Inc. All rights reserved.
- * Copyright (C) 2004-2012 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#include "lib.h"
-#include "disk-rep.h"
-#include "limits.h"
-#include "display.h"
-#include "toolcontext.h"
-#include "lvm1-label.h"
-#include "format1.h"
-#include "segtype.h"
-#include "pv_alloc.h"
-
-/* VG consistency checks */
-static int _check_vgs(struct dm_list *pvs, struct volume_group *vg)
-{
- struct dm_list *pvh, *t;
- struct disk_list *dl = NULL;
- struct disk_list *first = NULL;
-
- uint32_t pv_count = 0;
- uint32_t exported = 0;
- int first_time = 1;
-
- /*
- * If there are exported and unexported PVs, ignore exported ones.
- * This means an active VG won't be affected if disks are inserted
- * bearing an exported VG with the same name.
- */
- dm_list_iterate_items(dl, pvs) {
- if (first_time) {
- exported = dl->pvd.pv_status & VG_EXPORTED;
- first_time = 0;
- continue;
- }
-
- if (exported != (dl->pvd.pv_status & VG_EXPORTED)) {
- /* Remove exported PVs */
- dm_list_iterate_safe(pvh, t, pvs) {
- dl = dm_list_item(pvh, struct disk_list);
- if (dl->pvd.pv_status & VG_EXPORTED)
- dm_list_del(pvh);
- }
- break;
- }
- }
-
- /* Remove any PVs with VG structs that differ from the first */
- dm_list_iterate_safe(pvh, t, pvs) {
- dl = dm_list_item(pvh, struct disk_list);
-
- if (!first)
- first = dl;
-
- else if (memcmp(&first->vgd, &dl->vgd, sizeof(first->vgd))) {
- log_error("VG data differs between PVs %s and %s",
- dev_name(first->dev), dev_name(dl->dev));
- log_debug_metadata("VG data on %s: %s %s %" PRIu32 " %" PRIu32
- " %" PRIu32 " %" PRIu32 " %" PRIu32 " %"
- PRIu32 " %" PRIu32 " %" PRIu32 " %" PRIu32
- " %" PRIu32 " %" PRIu32 " %" PRIu32 " %"
- PRIu32 " %" PRIu32 " %" PRIu32,
- dev_name(first->dev), first->vgd.vg_uuid,
- first->vgd.vg_name_dummy,
- first->vgd.vg_number, first->vgd.vg_access,
- first->vgd.vg_status, first->vgd.lv_max,
- first->vgd.lv_cur, first->vgd.lv_open,
- first->vgd.pv_max, first->vgd.pv_cur,
- first->vgd.pv_act, first->vgd.dummy,
- first->vgd.vgda, first->vgd.pe_size,
- first->vgd.pe_total, first->vgd.pe_allocated,
- first->vgd.pvg_total);
- log_debug_metadata("VG data on %s: %s %s %" PRIu32 " %" PRIu32
- " %" PRIu32 " %" PRIu32 " %" PRIu32 " %"
- PRIu32 " %" PRIu32 " %" PRIu32 " %" PRIu32
- " %" PRIu32 " %" PRIu32 " %" PRIu32 " %"
- PRIu32 " %" PRIu32 " %" PRIu32,
- dev_name(dl->dev), dl->vgd.vg_uuid,
- dl->vgd.vg_name_dummy, dl->vgd.vg_number,
- dl->vgd.vg_access, dl->vgd.vg_status,
- dl->vgd.lv_max, dl->vgd.lv_cur,
- dl->vgd.lv_open, dl->vgd.pv_max,
- dl->vgd.pv_cur, dl->vgd.pv_act, dl->vgd.dummy,
- dl->vgd.vgda, dl->vgd.pe_size,
- dl->vgd.pe_total, dl->vgd.pe_allocated,
- dl->vgd.pvg_total);
- dm_list_del(pvh);
- return 0;
- }
- pv_count++;
- }
-
- /* On entry to fn, list known to be non-empty */
- if (pv_count != first->vgd.pv_cur) {
- log_error("%d PV(s) found for VG %s: expected %d",
- pv_count, first->pvd.vg_name, first->vgd.pv_cur);
- vg->status |= PARTIAL_VG;
- }
-
- return 1;
-}
-
-static int _fix_partial_vg(struct volume_group *vg, struct dm_list *pvs)
-{
- uint32_t extent_count = 0;
- struct disk_list *dl;
- struct dm_list *pvh;
- struct pv_list *pvl;
- struct lv_list *ll;
- struct lv_segment *seg;
-
- /*
- * FIXME: code should remap missing segments to error segment.
- * Also current mapping code allocates 1 segment per missing extent.
- * For now bail out completely - allocated structures are not complete
- */
- dm_list_iterate_items(ll, &vg->lvs)
- dm_list_iterate_items(seg, &ll->lv->segments) {
-
- /* area_count is always 1 here, s == 0 */
- if (seg_type(seg, 0) != AREA_PV)
- continue;
-
- if (seg_pv(seg, 0))
- continue;
-
- log_error("Partial mode support for missing lvm1 PVs and "
- "partially available LVs is currently not implemented.");
- return 0;
- }
-
- dm_list_iterate(pvh, pvs) {
- dl = dm_list_item(pvh, struct disk_list);
- extent_count += dl->pvd.pe_total;
- }
-
- /* FIXME: move this to one place to pv_manip */
- if (!(pvl = dm_pool_zalloc(vg->vgmem, sizeof(*pvl))) ||
- !(pvl->pv = dm_pool_zalloc(vg->vgmem, sizeof(*pvl->pv))))
- return_0;
-
- /* Use vg uuid with replaced first chars to "missing" as missing PV UUID */
- memcpy(&pvl->pv->id.uuid, vg->id.uuid, sizeof(pvl->pv->id.uuid));
- memcpy(&pvl->pv->id.uuid, "missing", 7);
-
- if (!(pvl->pv->vg_name = dm_pool_strdup(vg->vgmem, vg->name)))
- goto_out;
- memcpy(&pvl->pv->vgid, &vg->id, sizeof(vg->id));
- pvl->pv->status |= MISSING_PV;
- dm_list_init(&pvl->pv->tags);
- dm_list_init(&pvl->pv->segments);
-
- pvl->pv->pe_size = vg->extent_size;
- pvl->pv->pe_count = vg->extent_count - extent_count;
- if (!alloc_pv_segment_whole_pv(vg->vgmem, pvl->pv))
- goto_out;
-
- add_pvl_to_vgs(vg, pvl);
- log_debug_metadata("%s: partial VG, allocated missing PV using %d extents.",
- vg->name, pvl->pv->pe_count);
-
- return 1;
-out:
- dm_pool_free(vg->vgmem, pvl);
- return 0;
-}
-
-static struct volume_group *_format1_vg_read(struct format_instance *fid,
- const char *vg_name,
- struct metadata_area *mda __attribute__((unused)),
- struct cached_vg_fmtdata **vg_fmtdata __attribute__((unused)),
- unsigned *use_previous_vg __attribute__((unused)),
- int single_device __attribute__((unused)))
-{
- struct volume_group *vg;
- struct disk_list *dl;
- DM_LIST_INIT(pvs);
-
- /* Strip dev_dir if present */
- if (vg_name)
- vg_name = strip_dir(vg_name, fid->fmt->cmd->dev_dir);
-
- if (!(vg = alloc_vg("format1_vg_read", fid->fmt->cmd, NULL)))
- return_NULL;
-
- if (!read_pvs_in_vg(fid->fmt, vg_name, fid->fmt->cmd->filter,
- vg->vgmem, &pvs))
- goto_bad;
-
- if (dm_list_empty(&pvs))
- goto_bad;
-
- if (!_check_vgs(&pvs, vg))
- goto_bad;
-
- dl = dm_list_item(pvs.n, struct disk_list);
-
- if (!import_vg(vg->vgmem, vg, dl))
- goto_bad;
-
- if (!import_pvs(fid->fmt, vg->vgmem, vg, &pvs))
- goto_bad;
-
- if (!import_lvs(vg->vgmem, vg, &pvs))
- goto_bad;
-
- if (!import_extents(fid->fmt->cmd, vg, &pvs))
- goto_bad;
-
- /* FIXME: workaround - temporary assignment of fid */
- vg->fid = fid;
- if (!import_snapshots(vg->vgmem, vg, &pvs)) {
- vg->fid = NULL;
- goto_bad;
- }
- vg->fid = NULL;
-
- /* Fix extents counts by adding missing PV if partial VG */
- if ((vg->status & PARTIAL_VG) && !_fix_partial_vg(vg, &pvs))
- goto_bad;
-
- vg_set_fid(vg, fid);
-
- return vg;
-
-bad:
- release_vg(vg);
-
- return NULL;
-}
-
-static struct disk_list *_flatten_pv(struct format_instance *fid,
- struct dm_pool *mem, struct volume_group *vg,
- struct physical_volume *pv,
- const char *dev_dir)
-{
- struct disk_list *dl = dm_pool_alloc(mem, sizeof(*dl));
-
- if (!dl)
- return_NULL;
-
- dl->mem = mem;
- dl->dev = pv->dev;
-
- dm_list_init(&dl->uuids);
- dm_list_init(&dl->lvds);
-
- if (!export_pv(fid->fmt->cmd, mem, vg, &dl->pvd, pv) ||
- !export_vg(&dl->vgd, vg) ||
- !export_uuids(dl, vg) ||
- !export_lvs(dl, vg, pv, dev_dir) || !calculate_layout(dl)) {
- dm_pool_free(mem, dl);
- return_NULL;
- }
-
- return dl;
-}
-
-static int _flatten_vg(struct format_instance *fid, struct dm_pool *mem,
- struct volume_group *vg,
- struct dm_list *pvds, const char *dev_dir,
- struct dev_filter *filter)
-{
- struct pv_list *pvl;
- struct disk_list *data;
-
- dm_list_iterate_items(pvl, &vg->pvs) {
- if (!(data = _flatten_pv(fid, mem, vg, pvl->pv, dev_dir)))
- return_0;
-
- dm_list_add(pvds, &data->list);
- }
-
- export_numbers(pvds, vg);
- export_pv_act(pvds);
-
- if (!export_vg_number(fid, pvds, vg->name, filter))
- return_0;
-
- return 1;
-}
-
-static int _format1_vg_write(struct format_instance *fid, struct volume_group *vg,
- struct metadata_area *mda __attribute__((unused)))
-{
- struct dm_pool *mem = dm_pool_create("lvm1 vg_write", VG_MEMPOOL_CHUNK);
- struct dm_list pvds;
- int r = 0;
-
- if (!mem)
- return_0;
-
- dm_list_init(&pvds);
-
- r = (_flatten_vg(fid, mem, vg, &pvds, fid->fmt->cmd->dev_dir,
- fid->fmt->cmd->filter) &&
- write_disks(fid->fmt, &pvds, 1));
-
- lvmcache_update_vg(vg, 0);
- dm_pool_destroy(mem);
- return r;
-}
-
-static int _format1_pv_read(const struct format_type *fmt, const char *pv_name,
- struct physical_volume *pv, int scan_label_only __attribute__((unused)))
-{
- struct dm_pool *mem = dm_pool_create("lvm1 pv_read", 1024);
- struct disk_list *dl;
- struct device *dev;
- int r = 0;
-
- log_very_verbose("Reading physical volume data %s from disk", pv_name);
-
- if (!mem)
- return_0;
-
- if (!(dev = dev_cache_get(pv_name, fmt->cmd->filter)))
- goto_out;
-
- if (!(dl = read_disk(fmt, dev, mem, NULL)))
- goto_out;
-
- if (!import_pv(fmt, fmt->cmd->mem, dl->dev, NULL, pv, &dl->pvd, &dl->vgd))
- goto_out;
-
- pv->fmt = fmt;
-
- r = 1;
-
- out:
- dm_pool_destroy(mem);
- return r;
-}
-
-static int _format1_pv_initialise(const struct format_type * fmt,
- struct pv_create_args *pva,
- struct physical_volume * pv)
-{
- if (pv->size > MAX_PV_SIZE)
- pv->size--;
- if (pv->size > MAX_PV_SIZE) {
- log_error("Physical volumes cannot be bigger than %s",
- display_size(fmt->cmd, (uint64_t) MAX_PV_SIZE));
- return 0;
- }
-
- /* Nothing more to do if extent size isn't provided */
- if (!pva->extent_size)
- return 1;
-
- /*
- * This works out pe_start and pe_count.
- */
- if (!calculate_extent_count(pv, pva->extent_size, pva->extent_count, pva->pe_start))
- return_0;
-
- /* Retain existing extent locations exactly */
- if (((pva->pe_start || pva->extent_count) && (pva->pe_start != pv->pe_start)) ||
- (pva->extent_count && (pva->extent_count != pv->pe_count))) {
- log_error("Metadata would overwrite physical extents");
- return 0;
- }
-
- return 1;
-}
-
-static int _format1_pv_setup(const struct format_type *fmt,
- struct physical_volume *pv,
- struct volume_group *vg)
-{
- struct pv_create_args pva = { .id = {{0}},
- .idp = NULL,
- .ba_start = 0,
- .ba_size = 0,
- .pe_start = 0,
- .extent_count = 0,
- .extent_size = vg->extent_size};
-
- return _format1_pv_initialise(fmt, &pva, pv);
-}
-
-static int _format1_lv_setup(struct format_instance *fid, struct logical_volume *lv)
-{
- uint64_t max_size = UINT_MAX;
-
- if (!*lv->lvid.s)
- lvid_from_lvnum(&lv->lvid, &lv->vg->id, find_free_lvnum(lv));
-
- if (lv->le_count > MAX_LE_TOTAL) {
- log_error("logical volumes cannot contain more than "
- "%d extents.", MAX_LE_TOTAL);
- return 0;
- }
- if (lv->size > max_size) {
- log_error("logical volumes cannot be larger than %s",
- display_size(fid->fmt->cmd, max_size));
- return 0;
- }
-
- return 1;
-}
-
-static int _format1_pv_write(const struct format_type *fmt, struct physical_volume *pv)
-{
- struct dm_pool *mem;
- struct disk_list *dl;
- struct dm_list pvs;
- struct lvmcache_info *info;
- int pe_count, pe_size, pe_start;
- int r = 1;
-
- if (!(info = lvmcache_add(fmt->labeller, (char *) &pv->id, pv->dev,
- pv->vg_name, NULL, 0)))
- return_0;
-
- lvmcache_update_pv(info, pv, fmt);
- lvmcache_del_mdas(info);
- lvmcache_del_das(info);
- lvmcache_del_bas(info);
-
- dm_list_init(&pvs);
-
- pe_count = pv->pe_count;
- pe_size = pv->pe_size;
- pe_start = pv->pe_start;
-
- /* Ensure any residual PE structure is gone */
- pv->pe_size = pv->pe_count = 0;
- pv->pe_start = LVM1_PE_ALIGN;
-
- if (!(mem = dm_pool_create("lvm1 pv_write", 1024)))
- return_0;
-
- if (!(dl = dm_pool_alloc(mem, sizeof(*dl))))
- goto_bad;
-
- dl->mem = mem;
- dl->dev = pv->dev;
- dm_list_init(&dl->uuids);
- dm_list_init(&dl->lvds);
-
- if (!export_pv(fmt->cmd, mem, NULL, &dl->pvd, pv))
- goto_bad;
-
- /* must be set to be able to zero gap after PV structure in
- dev_write in order to make other disk tools happy */
- dl->pvd.pv_on_disk.base = METADATA_BASE;
- dl->pvd.pv_on_disk.size = PV_SIZE;
- dl->pvd.pe_on_disk.base = LVM1_PE_ALIGN << SECTOR_SHIFT;
-
- dm_list_add(&pvs, &dl->list);
- if (!write_disks(fmt, &pvs, 0))
- goto_bad;
-
- goto out;
-
- bad:
- r = 0;
-
- out:
- pv->pe_size = pe_size;
- pv->pe_count = pe_count;
- pv->pe_start = pe_start;
-
- dm_pool_destroy(mem);
- return r;
-}
-
-static int _format1_vg_setup(struct format_instance *fid, struct volume_group *vg)
-{
- /* just check max_pv and max_lv */
- if (!vg->max_lv || vg->max_lv >= MAX_LV)
- vg->max_lv = MAX_LV - 1;
-
- if (!vg->max_pv || vg->max_pv >= MAX_PV)
- vg->max_pv = MAX_PV - 1;
-
- if (!vg_check_new_extent_size(vg->fid->fmt, vg->extent_size))
- return_0;
-
- /* Generate lvm1_system_id if not yet set */
- if (!*vg->lvm1_system_id &&
- !generate_lvm1_system_id(vg->cmd, vg->lvm1_system_id, ""))
- return_0;
-
- return 1;
-}
-
-static int _format1_segtype_supported(struct format_instance *fid __attribute__((unused)),
- const struct segment_type *segtype)
-{
- if (!(segtype->flags & SEG_FORMAT1_SUPPORT))
- return_0;
-
- return 1;
-}
-
-static struct metadata_area_ops _metadata_format1_ops = {
- .vg_read = _format1_vg_read,
- .vg_write = _format1_vg_write,
-};
-
-static struct format_instance *_format1_create_instance(const struct format_type *fmt,
- const struct format_instance_ctx *fic)
-{
- struct format_instance *fid;
- struct metadata_area *mda;
-
- if (!(fid = alloc_fid(fmt, fic)))
- return_NULL;
-
- /* Define a NULL metadata area */
- if (!(mda = dm_pool_zalloc(fid->mem, sizeof(*mda)))) {
- log_error("Unable to allocate metadata area structure "
- "for lvm1 format");
- goto bad;
- }
-
- mda->ops = &_metadata_format1_ops;
- mda->metadata_locn = NULL;
- mda->status = 0;
- dm_list_add(&fid->metadata_areas_in_use, &mda->list);
-
- return fid;
-
-bad:
- dm_pool_destroy(fid->mem);
- return NULL;
-}
-
-static void _format1_destroy_instance(struct format_instance *fid)
-{
- if (--fid->ref_count <= 1)
- dm_pool_destroy(fid->mem);
-}
-
-static void _format1_destroy(struct format_type *fmt)
-{
- if (fmt->orphan_vg)
- free_orphan_vg(fmt->orphan_vg);
-
- dm_free(fmt);
-}
-
-static struct format_handler _format1_ops = {
- .pv_read = _format1_pv_read,
- .pv_initialise = _format1_pv_initialise,
- .pv_setup = _format1_pv_setup,
- .pv_write = _format1_pv_write,
- .lv_setup = _format1_lv_setup,
- .vg_setup = _format1_vg_setup,
- .segtype_supported = _format1_segtype_supported,
- .create_instance = _format1_create_instance,
- .destroy_instance = _format1_destroy_instance,
- .destroy = _format1_destroy,
-};
-
-#ifdef LVM1_INTERNAL
-struct format_type *init_lvm1_format(struct cmd_context *cmd)
-#else /* Shared */
-struct format_type *init_format(struct cmd_context *cmd);
-struct format_type *init_format(struct cmd_context *cmd)
-#endif
-{
- struct format_type *fmt = dm_malloc(sizeof(*fmt));
- struct format_instance_ctx fic;
- struct format_instance *fid;
-
- if (!fmt) {
- log_error("Failed to allocate format1 format type structure.");
- return NULL;
- }
-
- fmt->cmd = cmd;
- fmt->ops = &_format1_ops;
- fmt->name = FMT_LVM1_NAME;
- fmt->alias = NULL;
- fmt->orphan_vg_name = FMT_LVM1_ORPHAN_VG_NAME;
- fmt->features = FMT_RESTRICTED_LVIDS | FMT_ORPHAN_ALLOCATABLE |
- FMT_RESTRICTED_READAHEAD | FMT_OBSOLETE |
- FMT_SYSTEMID_ON_PVS;
- fmt->private = NULL;
-
- dm_list_init(&fmt->mda_ops);
-
- if (!(fmt->labeller = lvm1_labeller_create(fmt))) {
- log_error("Couldn't create lvm1 label handler.");
- dm_free(fmt);
- return NULL;
- }
-
- if (!(label_register_handler(fmt->labeller))) {
- log_error("Couldn't register lvm1 label handler.");
- fmt->labeller->ops->destroy(fmt->labeller);
- dm_free(fmt);
- return NULL;
- }
-
- if (!(fmt->orphan_vg = alloc_vg("format1_orphan", cmd, fmt->orphan_vg_name))) {
- log_error("Couldn't create lvm1 orphan VG.");
- dm_free(fmt);
- return NULL;
- }
-
- fic.type = FMT_INSTANCE_AUX_MDAS;
- fic.context.vg_ref.vg_name = fmt->orphan_vg_name;
- fic.context.vg_ref.vg_id = NULL;
-
- if (!(fid = _format1_create_instance(fmt, &fic))) {
- _format1_destroy(fmt);
- return_NULL;
- }
-
- vg_set_fid(fmt->orphan_vg, fid);
-
- log_very_verbose("Initialised format: %s", fmt->name);
-
- return fmt;
-}
+++ /dev/null
-/*
- * Copyright (C) 2001-2004 Sistina Software, Inc. All rights reserved.
- * Copyright (C) 2004 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#ifndef _LVM_FORMAT1_H
-#define _LVM_FORMAT1_H
-
-#include "metadata.h"
-#include "lvmcache.h"
-
-#define FMT_LVM1_NAME "lvm1"
-#define FMT_LVM1_ORPHAN_VG_NAME ORPHAN_VG_NAME(FMT_LVM1_NAME)
-
-#ifdef LVM1_INTERNAL
-struct format_type *init_lvm1_format(struct cmd_context *cmd);
-#endif
-
-#endif
+++ /dev/null
-/*
- * Copyright (C) 2001-2004 Sistina Software, Inc. All rights reserved.
- * Copyright (C) 2004-2006 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-/*
- * Translates between disk and in-core formats.
- */
-
-#include "lib.h"
-#include "disk-rep.h"
-#include "lvm-string.h"
-#include "toolcontext.h"
-#include "segtype.h"
-#include "pv_alloc.h"
-#include "display.h"
-#include "metadata.h"
-
-#include <time.h>
-
-static int _check_vg_name(const char *name)
-{
- return strlen(name) < NAME_LEN;
-}
-
-/*
- * Extracts the last part of a path.
- */
-static char *_create_lv_name(struct dm_pool *mem, const char *full_name)
-{
- const char *ptr = strrchr(full_name, '/');
-
- if (!ptr)
- ptr = full_name;
- else
- ptr++;
-
- return dm_pool_strdup(mem, ptr);
-}
-
-int import_pv(const struct format_type *fmt, struct dm_pool *mem,
- struct device *dev, struct volume_group *vg,
- struct physical_volume *pv, struct pv_disk *pvd,
- struct vg_disk *vgd)
-{
- uint64_t size;
-
- memset(pv, 0, sizeof(*pv));
- memcpy(&pv->id, pvd->pv_uuid, ID_LEN);
-
- pv->dev = dev;
- if (!*pvd->vg_name)
- pv->vg_name = fmt->orphan_vg_name;
- else if (!(pv->vg_name = dm_pool_strdup(mem, (char *)pvd->vg_name))) {
- log_error("Volume Group name allocation failed.");
- return 0;
- }
-
- memcpy(&pv->vgid, vgd->vg_uuid, sizeof(vg->id));
-
- /* Store system_id from first PV if PV belongs to a VG */
- if (vg && !*vg->lvm1_system_id)
- strncpy(vg->lvm1_system_id, (char *)pvd->system_id, NAME_LEN);
-
- if (vg &&
- strncmp(vg->lvm1_system_id, (char *)pvd->system_id, sizeof(pvd->system_id)))
- log_very_verbose("System ID %s on %s differs from %s for "
- "volume group", pvd->system_id,
- pv_dev_name(pv), vg->lvm1_system_id);
-
- /*
- * If exported, we still need to flag in pv->status too because
- * we don't always have a struct volume_group when we need this.
- */
- if (pvd->pv_status & VG_EXPORTED)
- pv->status |= EXPORTED_VG;
-
- if (pvd->pv_allocatable)
- pv->status |= ALLOCATABLE_PV;
-
- pv->size = pvd->pv_size;
- pv->pe_size = pvd->pe_size;
- pv->pe_start = pvd->pe_start;
- pv->pe_count = pvd->pe_total;
- pv->pe_alloc_count = 0;
- pv->pe_align = 0;
- pv->is_labelled = 0; /* format1 PVs have no label */
- pv->label_sector = 0;
-
- /* Fix up pv size if missing or impossibly large */
- if (!pv->size || pv->size > (1ULL << 62)) {
- if (!dev_get_size(dev, &pv->size)) {
- log_error("%s: Couldn't get size.", pv_dev_name(pv));
- return 0;
- }
- log_verbose("Fixing up missing format1 size (%s) "
- "for PV %s", display_size(fmt->cmd, pv->size),
- pv_dev_name(pv));
- if (vg) {
- size = pv->pe_count * (uint64_t) vg->extent_size +
- pv->pe_start;
- if (size > pv->size)
- log_warn("WARNING: Physical Volume %s is too "
- "large for underlying device",
- pv_dev_name(pv));
- }
- }
-
- dm_list_init(&pv->tags);
- dm_list_init(&pv->segments);
-
- if (!alloc_pv_segment_whole_pv(mem, pv))
- return_0;
-
- return 1;
-}
-
-int generate_lvm1_system_id(struct cmd_context *cmd, char *s, const char *prefix)
-{
-
- if (dm_snprintf(s, NAME_LEN, "%s%s" FMTu64,
- prefix, cmd->hostname, (uint64_t)time(NULL)) < 0) {
- log_error("Generated LVM1 format system_id too long");
- return 0;
- }
-
- return 1;
-}
-
-int export_pv(struct cmd_context *cmd, struct dm_pool *mem __attribute__((unused)),
- struct volume_group *vg,
- struct pv_disk *pvd, struct physical_volume *pv)
-{
- memset(pvd, 0, sizeof(*pvd));
-
- pvd->id[0] = 'H';
- pvd->id[1] = 'M';
- pvd->version = 1;
-
- memcpy(pvd->pv_uuid, pv->id.uuid, ID_LEN);
-
- if (pv->vg_name && !is_orphan(pv) && !(pv->status & UNLABELLED_PV)) {
- if (!_check_vg_name(pv->vg_name))
- return_0;
- strncpy((char *)pvd->vg_name, pv->vg_name, sizeof(pvd->vg_name));
- }
-
- /* Preserve existing system_id if it exists */
- if (vg && vg->lvm1_system_id && *vg->lvm1_system_id)
- strncpy((char *)pvd->system_id, vg->lvm1_system_id, sizeof(pvd->system_id));
- else if (vg && vg->system_id && *vg->system_id)
- strncpy((char *)pvd->system_id, vg->system_id, sizeof(pvd->system_id));
-
- /* Is VG already exported or being exported? */
- if (vg && vg_is_exported(vg)) {
- /* Does system_id need setting? */
- if (!vg->lvm1_system_id || !*vg->lvm1_system_id ||
- strncmp(vg->lvm1_system_id, EXPORTED_TAG,
- sizeof(EXPORTED_TAG) - 1)) {
- if (!generate_lvm1_system_id(cmd, (char *)pvd->system_id, EXPORTED_TAG))
- return_0;
- }
- if (strlen((char *)pvd->vg_name) + sizeof(EXPORTED_TAG) >
- sizeof(pvd->vg_name)) {
- log_error("Volume group name %s too long to export",
- pvd->vg_name);
- return 0;
- }
- strcat((char *)pvd->vg_name, EXPORTED_TAG);
- }
-
- /* Is VG being imported? */
- if (vg && !vg_is_exported(vg) && vg->lvm1_system_id && *vg->lvm1_system_id &&
- !strncmp(vg->lvm1_system_id, EXPORTED_TAG, sizeof(EXPORTED_TAG) - 1)) {
- if (!generate_lvm1_system_id(cmd, (char *)pvd->system_id, IMPORTED_TAG))
- return_0;
- }
-
- /* Generate system_id if PV is in VG */
- if (!pvd->system_id[0])
- if (!generate_lvm1_system_id(cmd, (char *)pvd->system_id, ""))
- return_0;
-
- /* Update internal system_id if we changed it */
- if (vg && vg->lvm1_system_id &&
- (!*vg->lvm1_system_id ||
- strncmp(vg->lvm1_system_id, (char *)pvd->system_id, sizeof(pvd->system_id))))
- strncpy(vg->lvm1_system_id, (char *)pvd->system_id, NAME_LEN);
-
- //pvd->pv_major = MAJOR(pv->dev);
-
- if (pv->status & ALLOCATABLE_PV)
- pvd->pv_allocatable = PV_ALLOCATABLE;
-
- pvd->pv_size = pv->size;
- pvd->lv_cur = 0; /* this is set when exporting the lv list */
- if (vg)
- pvd->pe_size = vg->extent_size;
- else
- pvd->pe_size = pv->pe_size;
- pvd->pe_total = pv->pe_count;
- pvd->pe_allocated = pv->pe_alloc_count;
- pvd->pe_start = pv->pe_start;
-
- return 1;
-}
-
-int import_vg(struct dm_pool *mem,
- struct volume_group *vg, struct disk_list *dl)
-{
- struct vg_disk *vgd = &dl->vgd;
- memcpy(vg->id.uuid, vgd->vg_uuid, ID_LEN);
-
- if (!_check_vg_name((char *)dl->pvd.vg_name))
- return_0;
-
- if (!(vg->name = dm_pool_strdup(mem, (char *)dl->pvd.vg_name)))
- return_0;
-
- if (!(vg->lvm1_system_id = dm_pool_zalloc(mem, NAME_LEN + 1)))
- return_0;
-
- if (vgd->vg_status & VG_EXPORTED)
- vg->status |= EXPORTED_VG;
-
- if (vgd->vg_status & VG_EXTENDABLE)
- vg->status |= RESIZEABLE_VG;
-
- if (vgd->vg_access & VG_READ)
- vg->status |= LVM_READ;
-
- if (vgd->vg_access & VG_WRITE)
- vg->status |= LVM_WRITE;
-
- if (vgd->vg_access & VG_CLUSTERED)
- vg->status |= CLUSTERED;
-
- if (vgd->vg_access & VG_SHARED)
- vg->status |= SHARED;
-
- vg->extent_size = vgd->pe_size;
- vg->extent_count = vgd->pe_total;
- vg->free_count = vgd->pe_total;
- vg->max_lv = vgd->lv_max;
- vg->max_pv = vgd->pv_max;
- vg->alloc = ALLOC_NORMAL;
-
- return 1;
-}
-
-int export_vg(struct vg_disk *vgd, struct volume_group *vg)
-{
- memset(vgd, 0, sizeof(*vgd));
- memcpy(vgd->vg_uuid, vg->id.uuid, ID_LEN);
-
- if (vg->status & LVM_READ)
- vgd->vg_access |= VG_READ;
-
- if (vg->status & LVM_WRITE)
- vgd->vg_access |= VG_WRITE;
-
- if (vg_is_clustered(vg))
- vgd->vg_access |= VG_CLUSTERED;
-
- if (vg->status & SHARED)
- vgd->vg_access |= VG_SHARED;
-
- if (vg_is_exported(vg))
- vgd->vg_status |= VG_EXPORTED;
-
- if (vg_is_resizeable(vg))
- vgd->vg_status |= VG_EXTENDABLE;
-
- vgd->lv_max = vg->max_lv;
- vgd->lv_cur = vg_visible_lvs(vg) + snapshot_count(vg);
-
- vgd->pv_max = vg->max_pv;
- vgd->pv_cur = vg->pv_count;
-
- vgd->pe_size = vg->extent_size;
- vgd->pe_total = vg->extent_count;
- vgd->pe_allocated = vg->extent_count - vg->free_count;
-
- return 1;
-}
-
-int import_lv(struct cmd_context *cmd, struct dm_pool *mem,
- struct logical_volume *lv, struct lv_disk *lvd)
-{
- if (!(lv->name = _create_lv_name(mem, (char *)lvd->lv_name)))
- return_0;
-
- lv->status |= VISIBLE_LV;
-
- if (lvd->lv_status & LV_SPINDOWN)
- lv->status |= SPINDOWN_LV;
-
- if (lvd->lv_status & LV_PERSISTENT_MINOR) {
- lv->status |= FIXED_MINOR;
- lv->minor = MINOR(lvd->lv_dev);
- lv->major = MAJOR(lvd->lv_dev);
- } else {
- lv->major = -1;
- lv->minor = -1;
- }
-
- if (lvd->lv_access & LV_READ)
- lv->status |= LVM_READ;
-
- if (lvd->lv_access & LV_WRITE)
- lv->status |= LVM_WRITE;
-
- if (lvd->lv_badblock)
- lv->status |= BADBLOCK_ON;
-
- /* Drop the unused LV_STRICT here */
- if (lvd->lv_allocation & LV_CONTIGUOUS)
- lv->alloc = ALLOC_CONTIGUOUS;
- else
- lv->alloc = ALLOC_NORMAL;
-
- if (!lvd->lv_read_ahead)
- lv->read_ahead = cmd->default_settings.read_ahead;
- else
- lv->read_ahead = lvd->lv_read_ahead;
-
- lv->size = lvd->lv_size;
- lv->le_count = lvd->lv_allocated_le;
-
- return 1;
-}
-
-static void _export_lv(struct lv_disk *lvd, struct volume_group *vg,
- struct logical_volume *lv, const char *dev_dir)
-{
- memset(lvd, 0, sizeof(*lvd));
- snprintf((char *)lvd->lv_name, sizeof(lvd->lv_name), "%s%s/%s",
- dev_dir, vg->name, lv->name);
-
- (void) dm_strncpy((char *)lvd->vg_name, vg->name, sizeof(lvd->vg_name));
-
- if (lv->status & LVM_READ)
- lvd->lv_access |= LV_READ;
-
- if (lv->status & LVM_WRITE)
- lvd->lv_access |= LV_WRITE;
-
- if (lv->status & SPINDOWN_LV)
- lvd->lv_status |= LV_SPINDOWN;
-
- if (lv->status & FIXED_MINOR) {
- lvd->lv_status |= LV_PERSISTENT_MINOR;
- lvd->lv_dev = MKDEV(lv->major, lv->minor);
- } else {
- lvd->lv_dev = MKDEV(LVM_BLK_MAJOR, lvnum_from_lvid(&lv->lvid));
- }
-
- if (lv->read_ahead == DM_READ_AHEAD_AUTO ||
- lv->read_ahead == DM_READ_AHEAD_NONE)
- lvd->lv_read_ahead = 0;
- else
- lvd->lv_read_ahead = lv->read_ahead;
-
- lvd->lv_stripes =
- dm_list_item(lv->segments.n, struct lv_segment)->area_count;
- lvd->lv_stripesize =
- dm_list_item(lv->segments.n, struct lv_segment)->stripe_size;
-
- lvd->lv_size = lv->size;
- lvd->lv_allocated_le = lv->le_count;
-
- if (lv->status & BADBLOCK_ON)
- lvd->lv_badblock = LV_BADBLOCK_ON;
-
- if (lv->alloc == ALLOC_CONTIGUOUS)
- lvd->lv_allocation |= LV_CONTIGUOUS;
-}
-
-int export_extents(struct disk_list *dl, uint32_t lv_num,
- struct logical_volume *lv, struct physical_volume *pv)
-{
- struct pe_disk *ped;
- struct lv_segment *seg;
- uint32_t pe, s;
-
- dm_list_iterate_items(seg, &lv->segments) {
- for (s = 0; s < seg->area_count; s++) {
- if (!(seg->segtype->flags & SEG_FORMAT1_SUPPORT)) {
- log_error("Segment type %s in LV %s: "
- "unsupported by format1",
- lvseg_name(seg), lv->name);
- return 0;
- }
- if (seg_type(seg, s) != AREA_PV) {
- log_error("Non-PV stripe found in LV %s: "
- "unsupported by format1", lv->name);
- return 0;
- }
- if (seg_pv(seg, s) != pv)
- continue; /* not our pv */
-
- for (pe = 0; pe < (seg->len / seg->area_count); pe++) {
- ped = &dl->extents[pe + seg_pe(seg, s)];
- ped->lv_num = lv_num;
- ped->le_num = (seg->le / seg->area_count) + pe +
- s * (lv->le_count / seg->area_count);
- }
- }
- }
-
- return 1;
-}
-
-int import_pvs(const struct format_type *fmt, struct dm_pool *mem,
- struct volume_group *vg, struct dm_list *pvds)
-{
- struct disk_list *dl;
- struct pv_list *pvl;
-
- vg->pv_count = 0;
- dm_list_iterate_items(dl, pvds) {
- if (!(pvl = dm_pool_zalloc(mem, sizeof(*pvl))) ||
- !(pvl->pv = dm_pool_alloc(mem, sizeof(*pvl->pv))))
- return_0;
-
- if (!import_pv(fmt, mem, dl->dev, vg, pvl->pv, &dl->pvd, &dl->vgd))
- return_0;
-
- pvl->pv->fmt = fmt;
- add_pvl_to_vgs(vg, pvl);
- }
-
- return 1;
-}
-
-static struct logical_volume *_add_lv(struct dm_pool *mem,
- struct volume_group *vg,
- struct lv_disk *lvd)
-{
- struct logical_volume *lv;
-
- if (!(lv = alloc_lv(mem)))
- return_NULL;
-
- lvid_from_lvnum(&lv->lvid, &vg->id, lvd->lv_number);
-
- if (!import_lv(vg->cmd, mem, lv, lvd))
- goto_bad;
-
- if (!link_lv_to_vg(vg, lv))
- goto_bad;
-
- return lv;
-bad:
- dm_pool_free(mem, lv);
- return NULL;
-}
-
-int import_lvs(struct dm_pool *mem, struct volume_group *vg, struct dm_list *pvds)
-{
- struct disk_list *dl;
- struct lvd_list *ll;
- struct lv_disk *lvd;
-
- dm_list_iterate_items(dl, pvds) {
- dm_list_iterate_items(ll, &dl->lvds) {
- lvd = &ll->lvd;
-
- if (!find_lv(vg, (char *)lvd->lv_name) &&
- !_add_lv(mem, vg, lvd))
- return_0;
- }
- }
-
- return 1;
-}
-
-/* FIXME: tidy */
-int export_lvs(struct disk_list *dl, struct volume_group *vg,
- struct physical_volume *pv, const char *dev_dir)
-{
- int r = 0;
- struct lv_list *ll;
- struct lvd_list *lvdl;
- size_t len;
- uint32_t lv_num;
- struct dm_hash_table *lvd_hash;
-
- if (!_check_vg_name(vg->name))
- return_0;
-
- if (!(lvd_hash = dm_hash_create(32)))
- return_0;
-
- /*
- * setup the pv's extents array
- */
- len = sizeof(struct pe_disk) * dl->pvd.pe_total;
- if (!(dl->extents = dm_pool_zalloc(dl->mem, len)))
- goto_out;
-
- dm_list_iterate_items(ll, &vg->lvs) {
- if (lv_is_snapshot(ll->lv))
- continue;
-
- if (!(lvdl = dm_pool_alloc(dl->mem, sizeof(*lvdl))))
- goto_out;
-
- _export_lv(&lvdl->lvd, vg, ll->lv, dev_dir);
-
- lv_num = lvnum_from_lvid(&ll->lv->lvid);
- lvdl->lvd.lv_number = lv_num;
-
- if (!dm_hash_insert(lvd_hash, ll->lv->name, &lvdl->lvd))
- goto_out;
-
- if (!export_extents(dl, lv_num + 1, ll->lv, pv))
- goto_out;
-
- if (lv_is_origin(ll->lv))
- lvdl->lvd.lv_access |= LV_SNAPSHOT_ORG;
-
- if (lv_is_cow(ll->lv)) {
- lvdl->lvd.lv_access |= LV_SNAPSHOT;
- lvdl->lvd.lv_chunk_size = ll->lv->snapshot->chunk_size;
- lvdl->lvd.lv_snapshot_minor =
- lvnum_from_lvid(&ll->lv->snapshot->origin->lvid);
- }
-
- dm_list_add(&dl->lvds, &lvdl->list);
- dl->pvd.lv_cur++;
- }
-
- r = 1;
-
- out:
- dm_hash_destroy(lvd_hash);
- return r;
-}
-
-/*
- * FIXME: More inefficient code.
- */
-int import_snapshots(struct dm_pool *mem __attribute__((unused)), struct volume_group *vg,
- struct dm_list *pvds)
-{
- struct logical_volume *lvs[MAX_LV] = { 0 };
- struct disk_list *dl;
- struct lvd_list *ll;
- struct lv_disk *lvd;
- int lvnum;
- struct logical_volume *org, *cow;
-
- /* build an index of lv numbers */
- dm_list_iterate_items(dl, pvds) {
- dm_list_iterate_items(ll, &dl->lvds) {
- lvd = &ll->lvd;
-
- lvnum = lvd->lv_number;
-
- if (lvnum >= MAX_LV) {
- log_error("Logical volume number "
- "out of bounds.");
- return 0;
- }
-
- if (!lvs[lvnum] &&
- !(lvs[lvnum] = find_lv(vg, (char *)lvd->lv_name))) {
- log_error("Couldn't find logical volume '%s'.",
- lvd->lv_name);
- return 0;
- }
- }
- }
-
- /*
- * Now iterate through yet again adding the snapshots.
- */
- dm_list_iterate_items(dl, pvds) {
- dm_list_iterate_items(ll, &dl->lvds) {
- lvd = &ll->lvd;
-
- if (!(lvd->lv_access & LV_SNAPSHOT))
- continue;
-
- lvnum = lvd->lv_number;
- cow = lvs[lvnum];
- if (!(org = lvs[lvd->lv_snapshot_minor])) {
- log_error("Couldn't find origin logical volume "
- "for snapshot '%s'.", lvd->lv_name);
- return 0;
- }
-
- /* we may have already added this snapshot */
- if (lv_is_cow(cow))
- continue;
-
- /* insert the snapshot */
- if (!vg_add_snapshot(org, cow, NULL,
- org->le_count,
- lvd->lv_chunk_size)) {
- log_error("Couldn't add snapshot.");
- return 0;
- }
- }
- }
-
- return 1;
-}
-
-int export_uuids(struct disk_list *dl, struct volume_group *vg)
-{
- struct uuid_list *ul;
- struct pv_list *pvl;
-
- dm_list_iterate_items(pvl, &vg->pvs) {
- if (!(ul = dm_pool_alloc(dl->mem, sizeof(*ul))))
- return_0;
-
- memset(ul->uuid, 0, sizeof(ul->uuid));
- memcpy(ul->uuid, pvl->pv->id.uuid, ID_LEN);
-
- dm_list_add(&dl->uuids, &ul->list);
- }
- return 1;
-}
-
-/*
- * This calculates the nasty pv_number field
- * used by LVM1.
- */
-void export_numbers(struct dm_list *pvds, struct volume_group *vg __attribute__((unused)))
-{
- struct disk_list *dl;
- int pv_num = 1;
-
- dm_list_iterate_items(dl, pvds)
- dl->pvd.pv_number = pv_num++;
-}
-
-/*
- * Calculate vg_disk->pv_act.
- */
-void export_pv_act(struct dm_list *pvds)
-{
- struct disk_list *dl;
- int act = 0;
-
- dm_list_iterate_items(dl, pvds)
- if (dl->pvd.pv_status & PV_ACTIVE)
- act++;
-
- dm_list_iterate_items(dl, pvds)
- dl->vgd.pv_act = act;
-}
-
-int export_vg_number(struct format_instance *fid, struct dm_list *pvds,
- const char *vg_name, struct dev_filter *filter)
-{
- struct disk_list *dl;
- int vg_num;
-
- if (!get_free_vg_number(fid, filter, vg_name, &vg_num))
- return_0;
-
- dm_list_iterate_items(dl, pvds)
- dl->vgd.vg_number = vg_num;
-
- return 1;
-}
+++ /dev/null
-/*
- * Copyright (C) 2001-2004 Sistina Software, Inc. All rights reserved.
- * Copyright (C) 2004-2017 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#include "lib.h"
-#include "metadata.h"
-#include "disk-rep.h"
-#include "lv_alloc.h"
-#include "display.h"
-#include "segtype.h"
-
-/*
- * After much thought I have decided it is easier,
- * and probably no less efficient, to convert the
- * pe->le map to a full le->pe map, and then
- * process this to get the segments form that
- * we're after. Any code which goes directly from
- * the pe->le map to segments would be gladly
- * accepted, if it is less complicated than this
- * file.
- */
-struct pe_specifier {
- struct physical_volume *pv;
- uint32_t pe;
-};
-
-struct lv_map {
- struct logical_volume *lv;
- uint32_t stripes;
- uint32_t stripe_size;
- struct pe_specifier *map;
-};
-
-static struct dm_hash_table *_create_lv_maps(struct dm_pool *mem,
- struct volume_group *vg)
-{
- struct dm_hash_table *maps = dm_hash_create(32);
- struct lv_list *ll;
- struct lv_map *lvm;
-
- if (!maps) {
- log_error("Unable to create hash table for holding "
- "extent maps.");
- return NULL;
- }
-
- dm_list_iterate_items(ll, &vg->lvs) {
- if (lv_is_snapshot(ll->lv))
- continue;
-
- if (!(lvm = dm_pool_alloc(mem, sizeof(*lvm))))
- goto_bad;
-
- lvm->lv = ll->lv;
- /*
- * Alloc 1 extra element, so the loop in _area_length() and
- * _check_stripe() finds the last map member as noncontinuous.
- */
- if (!(lvm->map = dm_pool_zalloc(mem, sizeof(*lvm->map)
- * (ll->lv->le_count + 1))))
- goto_bad;
-
- if (!dm_hash_insert(maps, ll->lv->name, lvm))
- goto_bad;
- }
-
- return maps;
-
- bad:
- dm_hash_destroy(maps);
- return NULL;
-}
-
-static int _fill_lv_array(struct lv_map **lvs,
- struct dm_hash_table *maps, struct disk_list *dl)
-{
- struct lvd_list *ll;
- struct lv_map *lvm;
-
- memset(lvs, 0, sizeof(*lvs) * MAX_LV);
-
- dm_list_iterate_items(ll, &dl->lvds) {
- if (!(lvm = dm_hash_lookup(maps, strrchr((char *)ll->lvd.lv_name, '/')
- + 1))) {
- log_error("Physical volume (%s) contains an "
- "unknown logical volume (%s).",
- dev_name(dl->dev), ll->lvd.lv_name);
- return 0;
- }
-
- lvm->stripes = ll->lvd.lv_stripes;
- lvm->stripe_size = ll->lvd.lv_stripesize;
-
- lvs[ll->lvd.lv_number] = lvm;
- }
-
- return 1;
-}
-
-static int _fill_maps(struct dm_hash_table *maps, struct volume_group *vg,
- struct dm_list *pvds)
-{
- struct disk_list *dl;
- struct physical_volume *pv;
- struct lv_map *lvms[MAX_LV], *lvm;
- struct pe_disk *e;
- uint32_t i, lv_num, le;
-
- dm_list_iterate_items(dl, pvds) {
- if (!(pv = find_pv(vg, dl->dev))) {
- log_error("PV %s not found.", dl->dev->pvid);
- return 0;
- }
- e = dl->extents;
-
- /* build an array of lv's for this pv */
- if (!_fill_lv_array(lvms, maps, dl))
- return_0;
-
- for (i = 0; i < dl->pvd.pe_total; i++) {
- lv_num = e[i].lv_num;
-
- if (lv_num == UNMAPPED_EXTENT)
- continue;
-
- lv_num--;
- lvm = lvms[lv_num];
-
- if (!lvm) {
- log_error("Invalid LV in extent map "
- "(PV %s, PE %" PRIu32
- ", LV %" PRIu32
- ", LE %" PRIu32 ")",
- dev_name(pv->dev), i,
- lv_num, e[i].le_num);
- return 0;
- }
-
- le = e[i].le_num;
-
- if (le >= lvm->lv->le_count) {
- log_error("logical extent number "
- "out of bounds");
- return 0;
- }
-
- if (lvm->map[le].pv) {
- log_error("logical extent (%u) "
- "already mapped.", le);
- return 0;
- }
-
- lvm->map[le].pv = pv;
- lvm->map[le].pe = i;
- }
- }
-
- return 1;
-}
-
-static int _check_single_map(struct lv_map *lvm)
-{
- uint32_t i;
-
- for (i = 0; i < lvm->lv->le_count; i++) {
- if (!lvm->map[i].pv) {
- log_error("Logical volume (%s) contains an incomplete "
- "mapping table.", lvm->lv->name);
- return 0;
- }
- }
-
- return 1;
-}
-
-static int _check_maps_are_complete(struct dm_hash_table *maps)
-{
- struct dm_hash_node *n;
- struct lv_map *lvm;
-
- for (n = dm_hash_get_first(maps); n; n = dm_hash_get_next(maps, n)) {
- lvm = (struct lv_map *) dm_hash_get_data(maps, n);
-
- if (!_check_single_map(lvm))
- return_0;
- }
- return 1;
-}
-
-static uint32_t _area_length(struct lv_map *lvm, uint32_t le)
-{
- uint32_t len = 0;
-
- do
- len++;
- while ((lvm->map[le + len].pv == lvm->map[le].pv) &&
- (lvm->map[le].pv &&
- lvm->map[le + len].pe == lvm->map[le].pe + len));
-
- return len;
-}
-
-static int _read_linear(struct cmd_context *cmd, struct lv_map *lvm)
-{
- uint32_t le = 0, len;
- struct lv_segment *seg;
- struct segment_type *segtype;
-
- if (!(segtype = get_segtype_from_string(cmd, SEG_TYPE_NAME_STRIPED)))
- return_0;
-
- while (le < lvm->lv->le_count) {
- len = _area_length(lvm, le);
-
- if (!(seg = alloc_lv_segment(segtype, lvm->lv, le, len, 0, 0, 0,
- NULL, 1, len, 0, 0, 0, 0, NULL))) {
- log_error("Failed to allocate linear segment.");
- return 0;
- }
-
- if (!set_lv_segment_area_pv(seg, 0, lvm->map[le].pv,
- lvm->map[le].pe))
- return_0;
-
- dm_list_add(&lvm->lv->segments, &seg->list);
-
- le += seg->len;
- }
-
- return 1;
-}
-
-static int _check_stripe(struct lv_map *lvm, uint32_t area_count,
- uint32_t area_len, uint32_t base_le,
- uint32_t total_area_len)
-{
- uint32_t st;
-
- /*
- * Is the next physical extent in every stripe adjacent to the last?
- */
- for (st = 0; st < area_count; st++)
- if ((lvm->map[base_le + st * total_area_len + area_len].pv !=
- lvm->map[base_le + st * total_area_len].pv) ||
- (lvm->map[base_le + st * total_area_len].pv &&
- lvm->map[base_le + st * total_area_len + area_len].pe !=
- lvm->map[base_le + st * total_area_len].pe + area_len))
- return 0;
-
- return 1;
-}
-
-static int _read_stripes(struct cmd_context *cmd, struct lv_map *lvm)
-{
- uint32_t st, first_area_le = 0, total_area_len;
- uint32_t area_len;
- struct lv_segment *seg;
- struct segment_type *segtype;
-
- /*
- * Work out overall striped length
- */
- if (lvm->lv->le_count % lvm->stripes) {
- log_error("Number of stripes (%u) incompatible "
- "with logical extent count (%u) for %s",
- lvm->stripes, lvm->lv->le_count, lvm->lv->name);
- }
-
- total_area_len = lvm->lv->le_count / lvm->stripes;
-
- if (!(segtype = get_segtype_from_string(cmd, SEG_TYPE_NAME_STRIPED)))
- return_0;
-
- while (first_area_le < total_area_len) {
- area_len = 1;
-
- /*
- * Find how many extents are contiguous in all stripes
- * and so can form part of this segment
- */
- while (_check_stripe(lvm, lvm->stripes,
- area_len, first_area_le, total_area_len))
- area_len++;
-
- if (!(seg = alloc_lv_segment(segtype, lvm->lv,
- lvm->stripes * first_area_le,
- lvm->stripes * area_len, 0,
- 0, lvm->stripe_size, NULL,
- lvm->stripes,
- area_len, 0, 0, 0, 0, NULL))) {
- log_error("Failed to allocate striped segment.");
- return 0;
- }
-
- /*
- * Set up start positions of each stripe in this segment
- */
- for (st = 0; st < seg->area_count; st++)
- if (!set_lv_segment_area_pv(seg, st,
- lvm->map[first_area_le + st * total_area_len].pv,
- lvm->map[first_area_le + st * total_area_len].pe))
- return_0;
-
- dm_list_add(&lvm->lv->segments, &seg->list);
-
- first_area_le += area_len;
- }
-
- return 1;
-}
-
-static int _build_segments(struct cmd_context *cmd, struct lv_map *lvm)
-{
- return (lvm->stripes > 1 ? _read_stripes(cmd, lvm) :
- _read_linear(cmd, lvm));
-}
-
-static int _build_all_segments(struct cmd_context *cmd, struct dm_hash_table *maps)
-{
- struct dm_hash_node *n;
- struct lv_map *lvm;
-
- for (n = dm_hash_get_first(maps); n; n = dm_hash_get_next(maps, n)) {
- lvm = (struct lv_map *) dm_hash_get_data(maps, n);
- if (!_build_segments(cmd, lvm))
- return_0;
- }
-
- return 1;
-}
-
-int import_extents(struct cmd_context *cmd, struct volume_group *vg,
- struct dm_list *pvds)
-{
- int r = 0;
- struct dm_pool *scratch = dm_pool_create("lvm1 import_extents", 10 * 1024);
- struct dm_hash_table *maps;
-
- if (!scratch)
- return_0;
-
- if (!(maps = _create_lv_maps(scratch, vg))) {
- log_error("Couldn't allocate logical volume maps.");
- goto out;
- }
-
- if (!_fill_maps(maps, vg, pvds)) {
- log_error("Couldn't fill logical volume maps.");
- goto out;
- }
-
- if (!_check_maps_are_complete(maps) && !(vg->status & PARTIAL_VG))
- goto_out;
-
- if (!_build_all_segments(cmd, maps)) {
- log_error("Couldn't build extent segments.");
- goto out;
- }
- r = 1;
-
- out:
- if (maps)
- dm_hash_destroy(maps);
- dm_pool_destroy(scratch);
- return r;
-}
+++ /dev/null
-/*
- * Copyright (C) 2001-2004 Sistina Software, Inc. All rights reserved.
- * Copyright (C) 2004-2006 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#include "lib.h"
-#include "disk-rep.h"
-
-/*
- * Only works with powers of 2.
- */
-static uint32_t _round_up(uint32_t n, uint32_t size)
-{
- size--;
- return (n + size) & ~size;
-}
-
-/* Unused.
-static uint32_t _div_up(uint32_t n, uint32_t size)
-{
- return _round_up(n, size) / size;
-}
-*/
-
-/*
- * Each chunk of metadata should be aligned to
- * METADATA_ALIGN.
- */
-static uint32_t _next_base(struct data_area *area)
-{
- return _round_up(area->base + area->size, METADATA_ALIGN);
-}
-
-/*
- * Quick calculation based on pe_start.
- */
-static int _adjust_pe_on_disk(struct pv_disk *pvd)
-{
- uint32_t pe_start = pvd->pe_start << SECTOR_SHIFT;
-
- if (pe_start < pvd->pe_on_disk.base + pvd->pe_on_disk.size)
- return 0;
-
- pvd->pe_on_disk.size = pe_start - pvd->pe_on_disk.base;
- return 1;
-}
-
-static void _calc_simple_layout(struct pv_disk *pvd)
-{
- pvd->pv_on_disk.base = METADATA_BASE;
- pvd->pv_on_disk.size = PV_SIZE;
-
- pvd->vg_on_disk.base = _next_base(&pvd->pv_on_disk);
- pvd->vg_on_disk.size = VG_SIZE;
-
- pvd->pv_uuidlist_on_disk.base = _next_base(&pvd->vg_on_disk);
- pvd->pv_uuidlist_on_disk.size = MAX_PV * NAME_LEN;
-
- pvd->lv_on_disk.base = _next_base(&pvd->pv_uuidlist_on_disk);
- pvd->lv_on_disk.size = MAX_LV * sizeof(struct lv_disk);
-
- pvd->pe_on_disk.base = _next_base(&pvd->lv_on_disk);
- pvd->pe_on_disk.size = pvd->pe_total * sizeof(struct pe_disk);
-}
-
-static int _check_vg_limits(struct disk_list *dl)
-{
- if (dl->vgd.lv_max > MAX_LV) {
- log_error("MaxLogicalVolumes of %d exceeds format limit of %d "
- "for VG '%s'", dl->vgd.lv_max, MAX_LV - 1,
- dl->pvd.vg_name);
- return 0;
- }
-
- if (dl->vgd.pv_max > MAX_PV) {
- log_error("MaxPhysicalVolumes of %d exceeds format limit of %d "
- "for VG '%s'", dl->vgd.pv_max, MAX_PV - 1,
- dl->pvd.vg_name);
- return 0;
- }
-
- return 1;
-}
-
-/*
- * This assumes pe_count and pe_start have already
- * been calculated correctly.
- */
-int calculate_layout(struct disk_list *dl)
-{
- struct pv_disk *pvd = &dl->pvd;
-
- _calc_simple_layout(pvd);
- if (!_adjust_pe_on_disk(pvd)) {
- log_error("Insufficient space for metadata and PE's.");
- return 0;
- }
-
- if (!_check_vg_limits(dl))
- return 0;
-
- return 1;
-}
-
-/*
- * The number of extents that can fit on a disk is metadata format dependant.
- * pe_start is any existing value for pe_start
- */
-int calculate_extent_count(struct physical_volume *pv, uint32_t extent_size,
- uint32_t max_extent_count, uint64_t pe_start)
-{
- struct pv_disk *pvd = dm_malloc(sizeof(*pvd));
- uint32_t end;
-
- if (!pvd)
- return_0;
-
- /*
- * Guess how many extents will fit, bearing in mind that
- * one is going to be knocked off at the start of the
- * next loop.
- */
- if (max_extent_count)
- pvd->pe_total = max_extent_count + 1;
- else
- pvd->pe_total = (pv->size / extent_size);
-
- if (pvd->pe_total < PE_SIZE_PV_SIZE_REL) {
- log_error("Too few extents on %s. Try smaller extent size.",
- pv_dev_name(pv));
- dm_free(pvd);
- return 0;
- }
-
- do {
- pvd->pe_total--;
- _calc_simple_layout(pvd);
- end = ((pvd->pe_on_disk.base + pvd->pe_on_disk.size +
- SECTOR_SIZE - 1) >> SECTOR_SHIFT);
-
- if (pe_start && end < pe_start)
- end = pe_start;
-
- pvd->pe_start = _round_up(end, LVM1_PE_ALIGN);
-
- } while ((pvd->pe_start + ((uint64_t)pvd->pe_total * extent_size))
- > pv->size);
-
- if (pvd->pe_total > MAX_PE_TOTAL) {
- log_error("Metadata extent limit (%u) exceeded for %s - "
- "%u required", MAX_PE_TOTAL, pv_dev_name(pv),
- pvd->pe_total);
- dm_free(pvd);
- return 0;
- }
-
- pv->pe_count = pvd->pe_total;
- pv->pe_start = pvd->pe_start;
- /* We can't set pe_size here without breaking LVM1 compatibility */
- dm_free(pvd);
- return 1;
-}
+++ /dev/null
-/*
- * Copyright (C) 2002-2004 Sistina Software, Inc. All rights reserved.
- * Copyright (C) 2004-2006 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#include "lib.h"
-#include "lvm1-label.h"
-#include "disk-rep.h"
-#include "label.h"
-#include "metadata.h"
-#include "xlate.h"
-#include "format1.h"
-
-#include <sys/stat.h>
-#include <fcntl.h>
-
-static void _not_supported(const char *op)
-{
- log_error("The '%s' operation is not supported for the lvm1 labeller.",
- op);
-}
-
-static int _lvm1_can_handle(struct labeller *l __attribute__((unused)), void *buf, uint64_t sector)
-{
- struct pv_disk *pvd = (struct pv_disk *) buf;
- uint32_t version;
-
- /* LVM1 label must always be in first sector */
- if (sector)
- return 0;
-
- version = xlate16(pvd->version);
-
- if (pvd->id[0] == 'H' && pvd->id[1] == 'M' &&
- (version == 1 || version == 2))
- return 1;
-
- return 0;
-}
-
-static int _lvm1_write(struct label *label __attribute__((unused)), void *buf __attribute__((unused)))
-{
- _not_supported("write");
- return 0;
-}
-
-static int _lvm1_read(struct labeller *l, struct device *dev, void *buf,
- struct label **label)
-{
- struct pv_disk *pvd = (struct pv_disk *) buf;
- struct vg_disk vgd;
- struct lvmcache_info *info;
- const char *vgid = FMT_LVM1_ORPHAN_VG_NAME;
- const char *vgname = FMT_LVM1_ORPHAN_VG_NAME;
- unsigned exported = 0;
-
- munge_pvd(dev, pvd);
-
- if (*pvd->vg_name) {
- if (!read_vgd(dev, &vgd, pvd))
- return_0;
- vgid = (char *) vgd.vg_uuid;
- vgname = (char *) pvd->vg_name;
- exported = pvd->pv_status & VG_EXPORTED;
- }
-
- if (!(info = lvmcache_add(l, (char *)pvd->pv_uuid, dev, vgname, vgid,
- exported)))
- return_0;
- *label = lvmcache_get_label(info);
-
- lvmcache_set_device_size(info, ((uint64_t)xlate32(pvd->pv_size)) << SECTOR_SHIFT);
- lvmcache_set_ext_version(info, 0);
- lvmcache_set_ext_flags(info, 0);
- lvmcache_del_mdas(info);
- lvmcache_del_bas(info);
-
- return 1;
-}
-
-static int _lvm1_initialise_label(struct labeller *l __attribute__((unused)), struct label *label)
-{
- strcpy(label->type, "LVM1");
-
- return 1;
-}
-
-static void _lvm1_destroy_label(struct labeller *l __attribute__((unused)), struct label *label __attribute__((unused)))
-{
-}
-
-static void _lvm1_destroy(struct labeller *l)
-{
- dm_free(l);
-}
-
-struct label_ops _lvm1_ops = {
- .can_handle = _lvm1_can_handle,
- .write = _lvm1_write,
- .read = _lvm1_read,
- .initialise_label = _lvm1_initialise_label,
- .destroy_label = _lvm1_destroy_label,
- .destroy = _lvm1_destroy,
-};
-
-struct labeller *lvm1_labeller_create(struct format_type *fmt)
-{
- struct labeller *l;
-
- if (!(l = dm_malloc(sizeof(*l)))) {
- log_error("Couldn't allocate labeller object.");
- return NULL;
- }
-
- l->ops = &_lvm1_ops;
- l->fmt = fmt;
-
- return l;
-}
+++ /dev/null
-/*
- * Copyright (C) 2002-2004 Sistina Software, Inc. All rights reserved.
- * Copyright (C) 2004 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#ifndef _LVM_LVM1_LABEL_H
-#define _LVM_LVM1_LABEL_H
-
-#include "metadata.h"
-
-struct labeller *lvm1_labeller_create(struct format_type *fmt);
-
-#endif
+++ /dev/null
-/*
- * Copyright (C) 2001-2004 Sistina Software, Inc. All rights reserved.
- * Copyright (C) 2004-2006 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#include "lib.h"
-#include "disk-rep.h"
-
-/*
- * FIXME: Quick hack. We can use caching to
- * prevent a total re-read, even so vg_number
- * causes the tools to check *every* pv. Yuck.
- * Put in separate file so it wouldn't contaminate
- * other code.
- */
-int get_free_vg_number(struct format_instance *fid, struct dev_filter *filter,
- const char *candidate_vg, int *result)
-{
- struct dm_list all_pvs;
- struct disk_list *dl;
- struct dm_pool *mem = dm_pool_create("lvm1 vg_number", 10 * 1024);
- int i, r = 0, numbers[MAX_VG] = { 0 };
-
- dm_list_init(&all_pvs);
-
- if (!mem)
- return_0;
-
- if (!read_pvs_in_vg(fid->fmt, NULL, filter, mem, &all_pvs))
- goto_out;
-
- dm_list_iterate_items(dl, &all_pvs) {
- if (!*dl->pvd.vg_name || !strcmp((char *)dl->pvd.vg_name, candidate_vg))
- continue;
-
- numbers[dl->vgd.vg_number] = 1;
- }
-
- for (i = 0; i < MAX_VG; i++) {
- if (!numbers[i]) {
- r = 1;
- *result = i;
- break;
- }
- }
-
- out:
- dm_pool_destroy(mem);
- return r;
-}
+++ /dev/null
-init_format
+++ /dev/null
-#
-# Copyright (C) 2003-2004 Sistina Software, Inc. All rights reserved.
-# Copyright (C) 2004-2010 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 General Public License v.2.
-#
-# You should have received a copy of the GNU 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
-
-srcdir = @srcdir@
-top_srcdir = @top_srcdir@
-top_builddir = @top_builddir@
-
-SOURCES =\
- disk_rep.c \
- format_pool.c \
- import_export.c \
- pool_label.c
-
-LIB_SHARED = liblvm2formatpool.$(LIB_SUFFIX)
-LIB_VERSION = $(LIB_VERSION_LVM)
-
-include $(top_builddir)/make.tmpl
-
-install: install_lvm2_plugin
+++ /dev/null
-/*
- * Copyright (C) 1997-2004 Sistina Software, Inc. All rights reserved.
- * Copyright (C) 2004-2006 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#include "lib.h"
-#include "label.h"
-#include "metadata.h"
-#include "lvmcache.h"
-#include "xlate.h"
-#include "disk_rep.h"
-#include "toolcontext.h"
-
-#include <assert.h>
-
-/* FIXME: memcpy might not be portable */
-#define CPIN_8(x, y, z) {memcpy((x), (y), (z));}
-#define CPOUT_8(x, y, z) {memcpy((y), (x), (z));}
-#define CPIN_16(x, y) {(x) = xlate16_be((y));}
-#define CPOUT_16(x, y) {(y) = xlate16_be((x));}
-#define CPIN_32(x, y) {(x) = xlate32_be((y));}
-#define CPOUT_32(x, y) {(y) = xlate32_be((x));}
-#define CPIN_64(x, y) {(x) = xlate64_be((y));}
-#define CPOUT_64(x, y) {(y) = xlate64_be((x));}
-
-static int __read_pool_disk(const struct format_type *fmt, struct device *dev,
- struct dm_pool *mem __attribute__((unused)), struct pool_list *pl,
- const char *vg_name __attribute__((unused)))
-{
- char buf[512] __attribute__((aligned(8)));
-
- /* FIXME: Need to check the cache here first */
- if (!dev_read(dev, UINT64_C(0), 512, DEV_IO_POOL, buf)) {
- log_very_verbose("Failed to read PV data from %s",
- dev_name(dev));
- return 0;
- }
-
- if (!read_pool_label(pl, fmt->labeller, dev, buf, NULL))
- return_0;
-
- return 1;
-}
-
-static void _add_pl_to_list(struct cmd_context *cmd, struct dm_list *head, struct pool_list *data)
-{
- struct pool_list *pl;
-
- dm_list_iterate_items(pl, head) {
- if (id_equal(&data->pv_uuid, &pl->pv_uuid)) {
- char uuid[ID_LEN + 7] __attribute__((aligned(8)));
-
- if (!id_write_format(&pl->pv_uuid, uuid, ID_LEN + 7))
- stack;
-
- if (!dev_subsystem_part_major(cmd->dev_types, data->dev)) {
- log_very_verbose("Ignoring duplicate PV %s on "
- "%s", uuid,
- dev_name(data->dev));
- return;
- }
- log_very_verbose("Duplicate PV %s - using %s %s",
- uuid, dev_subsystem_name(cmd->dev_types, data->dev),
- dev_name(data->dev));
- dm_list_del(&pl->list);
- break;
- }
- }
- dm_list_add(head, &data->list);
-}
-
-int read_pool_label(struct pool_list *pl, struct labeller *l,
- struct device *dev, char *buf, struct label **label)
-{
- struct lvmcache_info *info;
- struct id pvid;
- struct id vgid;
- char uuid[ID_LEN + 7] __attribute__((aligned(8)));
- struct pool_disk *pd = &pl->pd;
-
- pool_label_in(pd, buf);
-
- get_pool_pv_uuid(&pvid, pd);
- if (!id_write_format(&pvid, uuid, ID_LEN + 7))
- stack;
- log_debug_metadata("Calculated uuid %s for %s", uuid, dev_name(dev));
-
- get_pool_vg_uuid(&vgid, pd);
- if (!id_write_format(&vgid, uuid, ID_LEN + 7))
- stack;
- log_debug_metadata("Calculated uuid %s for %s", uuid, pd->pl_pool_name);
-
- if (!(info = lvmcache_add(l, (char *) &pvid, dev, pd->pl_pool_name,
- (char *) &vgid, 0)))
- return_0;
- if (label)
- *label = lvmcache_get_label(info);
-
- lvmcache_set_device_size(info, ((uint64_t)xlate32_be(pd->pl_blocks)) << SECTOR_SHIFT);
- lvmcache_set_ext_version(info, 0);
- lvmcache_set_ext_flags(info, 0);
- lvmcache_del_mdas(info);
- lvmcache_del_bas(info);
-
- pl->dev = dev;
- pl->pv = NULL;
- memcpy(&pl->pv_uuid, &pvid, sizeof(pvid));
-
- return 1;
-}
-
-/**
- * pool_label_out - copies a pool_label_t into a char buffer
- * @pl: ptr to a pool_label_t struct
- * @buf: ptr to raw space where label info will be copied
- *
- * This function is important because it takes care of all of
- * the endian issues when copying to disk. This way, when
- * machines of different architectures are used, they will
- * be able to interpret ondisk labels correctly. Always use
- * this function before writing to disk.
- */
-void pool_label_out(struct pool_disk *pl, void *buf)
-{
- struct pool_disk *bufpl = (struct pool_disk *) buf;
-
- CPOUT_64(pl->pl_magic, bufpl->pl_magic);
- CPOUT_64(pl->pl_pool_id, bufpl->pl_pool_id);
- CPOUT_8(pl->pl_pool_name, bufpl->pl_pool_name, POOL_NAME_SIZE);
- CPOUT_32(pl->pl_version, bufpl->pl_version);
- CPOUT_32(pl->pl_subpools, bufpl->pl_subpools);
- CPOUT_32(pl->pl_sp_id, bufpl->pl_sp_id);
- CPOUT_32(pl->pl_sp_devs, bufpl->pl_sp_devs);
- CPOUT_32(pl->pl_sp_devid, bufpl->pl_sp_devid);
- CPOUT_32(pl->pl_sp_type, bufpl->pl_sp_type);
- CPOUT_64(pl->pl_blocks, bufpl->pl_blocks);
- CPOUT_32(pl->pl_striping, bufpl->pl_striping);
- CPOUT_32(pl->pl_sp_dmepdevs, bufpl->pl_sp_dmepdevs);
- CPOUT_32(pl->pl_sp_dmepid, bufpl->pl_sp_dmepid);
- CPOUT_32(pl->pl_sp_weight, bufpl->pl_sp_weight);
- CPOUT_32(pl->pl_minor, bufpl->pl_minor);
- CPOUT_32(pl->pl_padding, bufpl->pl_padding);
- CPOUT_8(pl->pl_reserve, bufpl->pl_reserve, 184);
-}
-
-/**
- * pool_label_in - copies a char buffer into a pool_label_t
- * @pl: ptr to a pool_label_t struct
- * @buf: ptr to raw space where label info is copied from
- *
- * This function is important because it takes care of all of
- * the endian issues when information from disk is about to be
- * used. This way, when machines of different architectures
- * are used, they will be able to interpret ondisk labels
- * correctly. Always use this function before using labels that
- * were read from disk.
- */
-void pool_label_in(struct pool_disk *pl, void *buf)
-{
- struct pool_disk *bufpl = (struct pool_disk *) buf;
-
- CPIN_64(pl->pl_magic, bufpl->pl_magic);
- CPIN_64(pl->pl_pool_id, bufpl->pl_pool_id);
- CPIN_8(pl->pl_pool_name, bufpl->pl_pool_name, POOL_NAME_SIZE);
- CPIN_32(pl->pl_version, bufpl->pl_version);
- CPIN_32(pl->pl_subpools, bufpl->pl_subpools);
- CPIN_32(pl->pl_sp_id, bufpl->pl_sp_id);
- CPIN_32(pl->pl_sp_devs, bufpl->pl_sp_devs);
- CPIN_32(pl->pl_sp_devid, bufpl->pl_sp_devid);
- CPIN_32(pl->pl_sp_type, bufpl->pl_sp_type);
- CPIN_64(pl->pl_blocks, bufpl->pl_blocks);
- CPIN_32(pl->pl_striping, bufpl->pl_striping);
- CPIN_32(pl->pl_sp_dmepdevs, bufpl->pl_sp_dmepdevs);
- CPIN_32(pl->pl_sp_dmepid, bufpl->pl_sp_dmepid);
- CPIN_32(pl->pl_sp_weight, bufpl->pl_sp_weight);
- CPIN_32(pl->pl_minor, bufpl->pl_minor);
- CPIN_32(pl->pl_padding, bufpl->pl_padding);
- CPIN_8(pl->pl_reserve, bufpl->pl_reserve, 184);
-}
-
-static char _calc_char(unsigned int id)
-{
- /*
- * [0-9A-Za-z!#] - 64 printable chars (6-bits)
- */
-
- if (id < 10)
- return id + 48;
- if (id < 36)
- return (id - 10) + 65;
- if (id < 62)
- return (id - 36) + 97;
- if (id == 62)
- return '!';
- if (id == 63)
- return '#';
-
- return '%';
-}
-
-void get_pool_uuid(char *uuid, uint64_t poolid, uint32_t spid, uint32_t devid)
-{
- int i;
- unsigned shifter = 0x003F;
-
- assert(ID_LEN == 32);
- memset(uuid, 0, ID_LEN);
- strcat(uuid, "POOL0000000000");
-
- /* We grab the entire 64 bits (+2 that get shifted in) */
- for (i = 13; i < 24; i++) {
- uuid[i] = _calc_char(((unsigned) poolid) & shifter);
- poolid = poolid >> 6;
- }
-
- /* We grab the entire 32 bits (+4 that get shifted in) */
- for (i = 24; i < 30; i++) {
- uuid[i] = _calc_char((unsigned) (spid & shifter));
- spid = spid >> 6;
- }
-
- /*
- * Since we can only have 128 devices, we only worry about the
- * last 12 bits
- */
- for (i = 30; i < 32; i++) {
- uuid[i] = _calc_char((unsigned) (devid & shifter));
- devid = devid >> 6;
- }
-
-}
-
-struct _read_pool_pv_baton {
- const struct format_type *fmt;
- struct dm_pool *mem, *tmpmem;
- struct pool_list *pl;
- struct dm_list *head;
- const char *vgname;
- uint32_t *sp_devs;
- uint32_t sp_count;
- int failed;
- int empty;
-};
-
-static int _read_pool_pv(struct lvmcache_info *info, void *baton)
-{
- struct _read_pool_pv_baton *b = baton;
-
- b->empty = 0;
-
- if (lvmcache_device(info) &&
- !(b->pl = read_pool_disk(b->fmt, lvmcache_device(info), b->mem, b->vgname)))
- return 0;
-
- /*
- * We need to keep track of the total expected number
- * of devices per subpool
- */
- if (!b->sp_count) {
- /* FIXME pl left uninitialised if !info->dev */
- if (!b->pl) {
- log_error(INTERNAL_ERROR "device is missing");
- dm_pool_destroy(b->tmpmem);
- b->failed = 1;
- return 0;
- }
- b->sp_count = b->pl->pd.pl_subpools;
- if (!(b->sp_devs =
- dm_pool_zalloc(b->tmpmem,
- sizeof(uint32_t) * b->sp_count))) {
- log_error("Unable to allocate %d 32-bit uints",
- b->sp_count);
- dm_pool_destroy(b->tmpmem);
- b->failed = 1;
- return 0;
- }
- }
-
- /*
- * watch out for a pool label with a different subpool
- * count than the original - give up if it does
- */
- if (b->sp_count != b->pl->pd.pl_subpools)
- return 0;
-
- _add_pl_to_list(lvmcache_fmt(info)->cmd, b->head, b->pl);
-
- if (b->sp_count > b->pl->pd.pl_sp_id && b->sp_devs[b->pl->pd.pl_sp_id] == 0)
- b->sp_devs[b->pl->pd.pl_sp_id] = b->pl->pd.pl_sp_devs;
-
- return 1;
-}
-
-static int _read_vg_pds(struct _read_pool_pv_baton *b,
- struct lvmcache_vginfo *vginfo,
- uint32_t *devcount)
-{
- uint32_t i;
-
- b->sp_count = 0;
- b->sp_devs = NULL;
- b->failed = 0;
- b->pl = NULL;
-
- /* FIXME: maybe should return a different error in memory
- * allocation failure */
- if (!(b->tmpmem = dm_pool_create("pool read_vg", 512)))
- return_0;
-
- lvmcache_foreach_pv(vginfo, _read_pool_pv, b);
-
- *devcount = 0;
- for (i = 0; i < b->sp_count; i++)
- *devcount += b->sp_devs[i];
-
- dm_pool_destroy(b->tmpmem);
-
- if (b->pl && *b->pl->pd.pl_pool_name)
- return 1;
-
- return 0;
-
-}
-
-int read_pool_pds(const struct format_type *fmt, const char *vg_name,
- struct dm_pool *mem, struct dm_list *pdhead)
-{
- struct lvmcache_vginfo *vginfo;
- uint32_t totaldevs;
- int full_scan = -1;
-
- struct _read_pool_pv_baton baton;
-
- baton.vgname = vg_name;
- baton.mem = mem;
- baton.fmt = fmt;
- baton.head = pdhead;
- baton.empty = 1;
-
- do {
- /*
- * If the cache scanning doesn't work, this will never work
- */
- if (vg_name && (vginfo = lvmcache_vginfo_from_vgname(vg_name, NULL)) &&
- _read_vg_pds(&baton, vginfo, &totaldevs) && !baton.empty)
- {
- /*
- * If we found all the devices we were expecting, return
- * success
- */
- if (dm_list_size(pdhead) == totaldevs)
- return 1;
-
- /*
- * accept partial pool if we've done a full rescan of
- * the cache
- */
- if (full_scan > 0)
- return 1;
- }
-
- /* Failed */
- dm_list_init(pdhead);
-
- full_scan++;
- if (full_scan > 1) {
- log_debug_metadata("No devices for vg %s found in cache",
- vg_name);
- return 0;
- }
- lvmcache_label_scan(fmt->cmd);
-
- } while (1);
-
-}
-
-struct pool_list *read_pool_disk(const struct format_type *fmt,
- struct device *dev, struct dm_pool *mem,
- const char *vg_name)
-{
- struct pool_list *pl;
-
- if (!dev_open_readonly(dev))
- return_NULL;
-
- if (!(pl = dm_pool_zalloc(mem, sizeof(*pl)))) {
- log_error("Unable to allocate pool list structure");
- return 0;
- }
-
- if (!__read_pool_disk(fmt, dev, mem, pl, vg_name))
- return_NULL;
-
- if (!dev_close(dev))
- stack;
-
- return pl;
-
-}
+++ /dev/null
-/*
- * Copyright (C) 1997-2004 Sistina Software, Inc. All rights reserved.
- * Copyright (C) 2004-2006 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#ifndef DISK_REP_FORMAT_POOL_H
-#define DISK_REP_FORMAT_POOL_H
-
-#include "label.h"
-#include "metadata.h"
-
-#define MINOR_OFFSET 65536
-
-/* From NSP.cf */
-#define NSPMajorVersion 4
-#define NSPMinorVersion 1
-#define NSPUpdateLevel 3
-
-/* From pool_std.h */
-#define POOL_NAME_SIZE (256)
-#define POOL_MAGIC 0x011670
-#define POOL_MAJOR (121)
-#define POOL_MAX_DEVICES 128
-
-/* When checking for version matching, the first two numbers **
-** are important for metadata formats, a.k.a pool labels. **
-** All the numbers are important when checking if the user **
-** space tools match up with the kernel module............. */
-#define POOL_VERSION (NSPMajorVersion << 16 | \
- NSPMinorVersion << 8 | \
- NSPUpdateLevel)
-
-/* Pool label is at the head of every pool disk partition */
-#define SIZEOF_POOL_LABEL (8192)
-
-/* in sectors */
-#define POOL_PE_SIZE (SIZEOF_POOL_LABEL >> SECTOR_SHIFT)
-#define POOL_PE_START (SIZEOF_POOL_LABEL >> SECTOR_SHIFT)
-
-/* Helper fxns */
-#define get_pool_vg_uuid(id, pd) do { get_pool_uuid((char *)(id), \
- (pd)->pl_pool_id, 0, 0); \
- } while(0)
-#define get_pool_pv_uuid(id, pd) do { get_pool_uuid((char *)(id), \
- (pd)->pl_pool_id, \
- (pd)->pl_sp_id, \
- (pd)->pl_sp_devid); \
- } while(0)
-#define get_pool_lv_uuid(id, pd) do { get_pool_uuid((char *)&(id)[0], \
- (pd)->pl_pool_id, 0, 0); \
- get_pool_uuid((char*)&(id)[1], \
- (pd)->pl_pool_id, 0, 0); \
- } while(0)
-
-struct pool_disk;
-struct pool_list;
-struct user_subpool;
-struct user_device;
-
-struct pool_disk {
- uint64_t pl_magic; /* Pool magic number */
- uint64_t pl_pool_id; /* Unique pool identifier */
- char pl_pool_name[POOL_NAME_SIZE]; /* Name of pool */
- uint32_t pl_version; /* Pool version */
- uint32_t pl_subpools; /* Number of subpools in this pool */
- uint32_t pl_sp_id; /* Subpool number within pool */
- uint32_t pl_sp_devs; /* Number of data partitions in this subpool */
- uint32_t pl_sp_devid; /* Partition number within subpool */
- uint32_t pl_sp_type; /* Partition type */
- uint64_t pl_blocks; /* Number of blocks in this partition */
- uint32_t pl_striping; /* Striping size within subpool */
- /*
- * If the number of DMEP devices is zero, then the next field **
- * ** (pl_sp_dmepid) becomes the subpool ID for redirection. In **
- * ** other words, if this subpool does not have the capability **
- * ** to do DMEP, then it must specify which subpool will do it **
- * ** in it's place
- */
-
- /*
- * While the next 3 field are no longer used, they must stay to keep **
- * ** backward compatibility...........................................
- */
- uint32_t pl_sp_dmepdevs;/* Number of dmep devices in this subpool */
- uint32_t pl_sp_dmepid; /* Dmep device number within subpool */
- uint32_t pl_sp_weight; /* if dmep dev, pref to using it */
-
- uint32_t pl_minor; /* the pool minor number */
- uint32_t pl_padding; /* reminder - think about alignment */
-
- /*
- * Even though we're zeroing out 8k at the front of the disk before
- * writing the label, putting this in
- */
- char pl_reserve[184]; /* bump the structure size out to 512 bytes */
-};
-
-struct pool_list {
- struct dm_list list;
- struct pool_disk pd;
- struct physical_volume *pv;
- struct id pv_uuid;
- struct device *dev;
-};
-
-struct user_subpool {
- uint32_t initialized;
- uint32_t id;
- uint32_t striping;
- uint32_t num_devs;
- uint32_t type;
- uint32_t dummy;
- struct user_device *devs;
-};
-
-struct user_device {
- uint32_t initialized;
- uint32_t sp_id;
- uint32_t devid;
- uint32_t dummy;
- uint64_t blocks;
- struct physical_volume *pv;
-};
-
-int read_pool_label(struct pool_list *pl, struct labeller *l,
- struct device *dev, char *buf, struct label **label);
-void pool_label_out(struct pool_disk *pl, void *buf);
-void pool_label_in(struct pool_disk *pl, void *buf);
-void get_pool_uuid(char *uuid, uint64_t poolid, uint32_t spid, uint32_t devid);
-int import_pool_vg(struct volume_group *vg, struct dm_pool *mem, struct dm_list *pls);
-int import_pool_lvs(struct volume_group *vg, struct dm_pool *mem,
- struct dm_list *pls);
-int import_pool_pvs(const struct format_type *fmt, struct volume_group *vg,
- struct dm_pool *mem, struct dm_list *pls);
-int import_pool_pv(const struct format_type *fmt, struct dm_pool *mem,
- struct volume_group *vg, struct physical_volume *pv,
- struct pool_list *pl);
-int import_pool_segments(struct dm_list *lvs, struct dm_pool *mem,
- struct user_subpool *usp, int sp_count);
-int read_pool_pds(const struct format_type *fmt, const char *vgname,
- struct dm_pool *mem, struct dm_list *head);
-struct pool_list *read_pool_disk(const struct format_type *fmt,
- struct device *dev, struct dm_pool *mem,
- const char *vg_name);
-
-#endif /* DISK_REP_POOL_FORMAT_H */
+++ /dev/null
-/*
- * Copyright (C) 1997-2004 Sistina Software, Inc. All rights reserved.
- * Copyright (C) 2004-2012 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#include "lib.h"
-#include "label.h"
-#include "metadata.h"
-#include "limits.h"
-#include "display.h"
-#include "toolcontext.h"
-#include "lvmcache.h"
-#include "disk_rep.h"
-#include "format_pool.h"
-#include "pool_label.h"
-
-/* Must be called after pvs are imported */
-static struct user_subpool *_build_usp(struct dm_list *pls, struct dm_pool *mem,
- int *sps)
-{
- struct pool_list *pl;
- struct user_subpool *usp = NULL, *cur_sp = NULL;
- struct user_device *cur_dev = NULL;
-
- /*
- * FIXME: Need to do some checks here - I'm tempted to add a
- * user_pool structure and build the entire thing to check against.
- */
- dm_list_iterate_items(pl, pls) {
- *sps = pl->pd.pl_subpools;
- if (!usp && (!(usp = dm_pool_zalloc(mem, sizeof(*usp) * (*sps))))) {
- log_error("Unable to allocate %d subpool structures",
- *sps);
- return 0;
- }
-
- if (cur_sp != &usp[pl->pd.pl_sp_id]) {
- cur_sp = &usp[pl->pd.pl_sp_id];
-
- cur_sp->id = pl->pd.pl_sp_id;
- cur_sp->striping = pl->pd.pl_striping;
- cur_sp->num_devs = pl->pd.pl_sp_devs;
- cur_sp->type = pl->pd.pl_sp_type;
- cur_sp->initialized = 1;
- }
-
- if (!cur_sp->devs &&
- (!(cur_sp->devs =
- dm_pool_zalloc(mem,
- sizeof(*usp->devs) * pl->pd.pl_sp_devs)))) {
-
- log_error("Unable to allocate %d pool_device "
- "structures", pl->pd.pl_sp_devs);
- return 0;
- }
-
- cur_dev = &cur_sp->devs[pl->pd.pl_sp_devid];
- cur_dev->sp_id = cur_sp->id;
- cur_dev->devid = pl->pd.pl_sp_id;
- cur_dev->blocks = pl->pd.pl_blocks;
- cur_dev->pv = pl->pv;
- cur_dev->initialized = 1;
- }
-
- return usp;
-}
-
-static int _check_usp(const char *vgname, struct user_subpool *usp, int sp_count)
-{
- int i;
- unsigned j;
-
- for (i = 0; i < sp_count; i++) {
- if (!usp[i].initialized) {
- log_error("Missing subpool %d in pool %s", i, vgname);
- return 0;
- }
- for (j = 0; j < usp[i].num_devs; j++) {
- if (!usp[i].devs[j].initialized) {
- log_error("Missing device %u for subpool %d"
- " in pool %s", j, i, vgname);
- return 0;
- }
-
- }
- }
-
- return 1;
-}
-
-static struct volume_group *_pool_vg_read(struct format_instance *fid,
- const char *vg_name,
- struct metadata_area *mda __attribute__((unused)),
- struct cached_vg_fmtdata **vg_fmtdata __attribute__((unused)),
- unsigned *use_previous_vg __attribute__((unused)),
- int single_device __attribute__((unused)))
-{
- struct volume_group *vg;
- struct user_subpool *usp;
- int sp_count;
- DM_LIST_INIT(pds);
-
- /* We can safely ignore the mda passed in */
-
- /* Strip dev_dir if present */
- if (vg_name)
- vg_name = strip_dir(vg_name, fid->fmt->cmd->dev_dir);
-
- /* Set vg_name through read_pool_pds() */
- if (!(vg = alloc_vg("pool_vg_read", fid->fmt->cmd, NULL)))
- return_NULL;
-
- /* Read all the pvs in the vg */
- if (!read_pool_pds(fid->fmt, vg_name, vg->vgmem, &pds))
- goto_bad;
-
- /* Setting pool seqno to 1 because the code always did this,
- * although we don't think it's needed. */
- vg->seqno = 1;
-
- if (!import_pool_vg(vg, vg->vgmem, &pds))
- goto_bad;
-
- if (!import_pool_pvs(fid->fmt, vg, vg->vgmem, &pds))
- goto_bad;
-
- if (!import_pool_lvs(vg, vg->vgmem, &pds))
- goto_bad;
-
- /*
- * I need an intermediate subpool structure that contains all the
- * relevant info for this. Then i can iterate through the subpool
- * structures for checking, and create the segments
- */
- if (!(usp = _build_usp(&pds, vg->vgmem, &sp_count)))
- goto_bad;
-
- /*
- * check the subpool structures - we can't handle partial VGs in
- * the pool format, so this will error out if we're missing PVs
- */
- if (!_check_usp(vg->name, usp, sp_count))
- goto_bad;
-
- if (!import_pool_segments(&vg->lvs, vg->vgmem, usp, sp_count))
- goto_bad;
-
- vg_set_fid(vg, fid);
-
- return vg;
-
-bad:
- release_vg(vg);
-
- return NULL;
-}
-
-static int _pool_pv_initialise(const struct format_type *fmt __attribute__((unused)),
- struct pv_create_args *pva __attribute__((unused)),
- struct physical_volume *pv __attribute__((unused)))
-{
- return 1;
-}
-
-static int _pool_pv_setup(const struct format_type *fmt __attribute__((unused)),
- struct physical_volume *pv __attribute__((unused)),
- struct volume_group *vg __attribute__((unused)))
-{
- return 1;
-}
-
-static int _pool_pv_read(const struct format_type *fmt, const char *pv_name,
- struct physical_volume *pv,
- int scan_label_only __attribute__((unused)))
-{
- struct dm_pool *mem = dm_pool_create("pool pv_read", 1024);
- struct pool_list *pl;
- struct device *dev;
- int r = 0;
-
- log_very_verbose("Reading physical volume data %s from disk", pv_name);
-
- if (!mem)
- return_0;
-
- if (!(dev = dev_cache_get(pv_name, fmt->cmd->filter)))
- goto_out;
-
- /*
- * I need to read the disk and populate a pv structure here
- * I'll probably need to abstract some of this later for the
- * vg_read code
- */
- if (!(pl = read_pool_disk(fmt, dev, mem, NULL)))
- goto_out;
-
- if (!import_pool_pv(fmt, fmt->cmd->mem, NULL, pv, pl))
- goto_out;
-
- pv->fmt = fmt;
-
- r = 1;
-
- out:
- dm_pool_destroy(mem);
- return r;
-}
-
-/* *INDENT-OFF* */
-static struct metadata_area_ops _metadata_format_pool_ops = {
- .vg_read = _pool_vg_read,
-};
-/* *INDENT-ON* */
-
-static struct format_instance *_pool_create_instance(const struct format_type *fmt,
- const struct format_instance_ctx *fic)
-{
- struct format_instance *fid;
- struct metadata_area *mda;
-
- if (!(fid = alloc_fid(fmt, fic)))
- return_NULL;
-
- /* Define a NULL metadata area */
- if (!(mda = dm_pool_zalloc(fid->mem, sizeof(*mda)))) {
- log_error("Unable to allocate metadata area structure "
- "for pool format");
- goto bad;
- }
-
- mda->ops = &_metadata_format_pool_ops;
- mda->metadata_locn = NULL;
- mda->status = 0;
- dm_list_add(&fid->metadata_areas_in_use, &mda->list);
-
- return fid;
-
-bad:
- dm_pool_destroy(fid->mem);
- return NULL;
-}
-
-static void _pool_destroy_instance(struct format_instance *fid)
-{
- if (--fid->ref_count <= 1)
- dm_pool_destroy(fid->mem);
-}
-
-static void _pool_destroy(struct format_type *fmt)
-{
- if (fmt->orphan_vg)
- free_orphan_vg(fmt->orphan_vg);
-
- dm_free(fmt);
-}
-
-/* *INDENT-OFF* */
-static struct format_handler _format_pool_ops = {
- .pv_read = _pool_pv_read,
- .pv_initialise = _pool_pv_initialise,
- .pv_setup = _pool_pv_setup,
- .create_instance = _pool_create_instance,
- .destroy_instance = _pool_destroy_instance,
- .destroy = _pool_destroy,
-};
-/* *INDENT-ON */
-
-#ifdef POOL_INTERNAL
-struct format_type *init_pool_format(struct cmd_context *cmd)
-#else /* Shared */
-struct format_type *init_format(struct cmd_context *cmd);
-struct format_type *init_format(struct cmd_context *cmd)
-#endif
-{
- struct format_type *fmt = dm_malloc(sizeof(*fmt));
- struct format_instance_ctx fic;
- struct format_instance *fid;
-
- if (!fmt) {
- log_error("Unable to allocate format type structure for pool "
- "format");
- return NULL;
- }
-
- fmt->cmd = cmd;
- fmt->ops = &_format_pool_ops;
- fmt->name = FMT_POOL_NAME;
- fmt->alias = NULL;
- fmt->orphan_vg_name = FMT_POOL_ORPHAN_VG_NAME;
- fmt->features = FMT_OBSOLETE;
- fmt->private = NULL;
-
- dm_list_init(&fmt->mda_ops);
-
- if (!(fmt->labeller = pool_labeller_create(fmt))) {
- log_error("Couldn't create pool label handler.");
- dm_free(fmt);
- return NULL;
- }
-
- if (!(label_register_handler(fmt->labeller))) {
- log_error("Couldn't register pool label handler.");
- fmt->labeller->ops->destroy(fmt->labeller);
- dm_free(fmt);
- return NULL;
- }
-
- if (!(fmt->orphan_vg = alloc_vg("pool_orphan", cmd, fmt->orphan_vg_name))) {
- log_error("Couldn't create pool orphan VG.");
- dm_free(fmt);
- return NULL;
- }
-
- fic.type = FMT_INSTANCE_AUX_MDAS;
- fic.context.vg_ref.vg_name = fmt->orphan_vg_name;
- fic.context.vg_ref.vg_id = NULL;
-
- if (!(fid = _pool_create_instance(fmt, &fic))) {
- _pool_destroy(fmt);
- return NULL;
- }
-
- vg_set_fid(fmt->orphan_vg, fid);
-
- log_very_verbose("Initialised format: %s", fmt->name);
-
- return fmt;
-}
+++ /dev/null
-/*
- * Copyright (C) 2003-2004 Sistina Software, Inc. All rights reserved.
- * Copyright (C) 2004 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#ifndef _LVM_FORMAT_POOL_H
-#define _LVM_FORMAT_POOL_H
-
-#include "metadata.h"
-
-#define FMT_POOL_NAME "pool"
-#define FMT_POOL_ORPHAN_VG_NAME ORPHAN_VG_NAME(FMT_POOL_NAME)
-
-#ifdef POOL_INTERNAL
-struct format_type *init_pool_format(struct cmd_context *cmd);
-#endif
-
-#endif
+++ /dev/null
-/*
- * Copyright (C) 1997-2004 Sistina Software, Inc. All rights reserved.
- * Copyright (C) 2004-2017 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#include "lib.h"
-#include "label.h"
-#include "metadata.h"
-#include "disk_rep.h"
-#include "sptype_names.h"
-#include "lv_alloc.h"
-#include "pv_alloc.h"
-#include "str_list.h"
-#include "display.h"
-#include "segtype.h"
-#include "toolcontext.h"
-
-/* This file contains only imports at the moment... */
-
-int import_pool_vg(struct volume_group *vg, struct dm_pool *mem, struct dm_list *pls)
-{
- struct pool_list *pl;
-
- dm_list_iterate_items(pl, pls) {
- vg->extent_count +=
- ((pl->pd.pl_blocks) / POOL_PE_SIZE);
-
- vg->free_count = vg->extent_count;
-
- if (vg->name)
- continue;
-
- vg->name = dm_pool_strdup(mem, pl->pd.pl_pool_name);
- get_pool_vg_uuid(&vg->id, &pl->pd);
- vg->extent_size = POOL_PE_SIZE;
- vg->status |= LVM_READ | LVM_WRITE | CLUSTERED | SHARED;
- vg->max_lv = 1;
- vg->max_pv = POOL_MAX_DEVICES;
- vg->alloc = ALLOC_NORMAL;
- }
-
- return 1;
-}
-
-int import_pool_lvs(struct volume_group *vg, struct dm_pool *mem, struct dm_list *pls)
-{
- struct pool_list *pl;
- struct logical_volume *lv;
-
- if (!(lv = alloc_lv(mem)))
- return_0;
-
- lv->status = 0;
- lv->alloc = ALLOC_NORMAL;
- lv->size = 0;
- lv->name = NULL;
- lv->le_count = 0;
- lv->read_ahead = vg->cmd->default_settings.read_ahead;
-
- dm_list_iterate_items(pl, pls) {
- lv->size += pl->pd.pl_blocks;
-
- if (lv->name)
- continue;
-
- if (!(lv->name = dm_pool_strdup(mem, pl->pd.pl_pool_name)))
- return_0;
-
- get_pool_lv_uuid(lv->lvid.id, &pl->pd);
- log_debug_metadata("Calculated lv uuid for lv %s: %s", lv->name,
- lv->lvid.s);
-
- lv->status |= VISIBLE_LV | LVM_READ | LVM_WRITE;
- lv->major = POOL_MAJOR;
-
- /* for pool a minor of 0 is dynamic */
- if (pl->pd.pl_minor) {
- lv->status |= FIXED_MINOR;
- lv->minor = pl->pd.pl_minor + MINOR_OFFSET;
- } else {
- lv->minor = -1;
- }
- }
-
- lv->le_count = lv->size / POOL_PE_SIZE;
-
- return link_lv_to_vg(vg, lv);
-}
-
-int import_pool_pvs(const struct format_type *fmt, struct volume_group *vg,
- struct dm_pool *mem, struct dm_list *pls)
-{
- struct pv_list *pvl;
- struct pool_list *pl;
-
- dm_list_iterate_items(pl, pls) {
- if (!(pvl = dm_pool_zalloc(mem, sizeof(*pvl)))) {
- log_error("Unable to allocate pv list structure");
- return 0;
- }
- if (!(pvl->pv = dm_pool_zalloc(mem, sizeof(*pvl->pv)))) {
- log_error("Unable to allocate pv structure");
- return 0;
- }
- if (!import_pool_pv(fmt, mem, vg, pvl->pv, pl)) {
- return 0;
- }
- pl->pv = pvl->pv;
- pvl->mdas = NULL;
- pvl->pe_ranges = NULL;
- add_pvl_to_vgs(vg, pvl);
- }
-
- return 1;
-}
-
-int import_pool_pv(const struct format_type *fmt, struct dm_pool *mem,
- struct volume_group *vg, struct physical_volume *pv,
- struct pool_list *pl)
-{
- struct pool_disk *pd = &pl->pd;
-
- memset(pv, 0, sizeof(*pv));
-
- get_pool_pv_uuid(&pv->id, pd);
- pv->fmt = fmt;
-
- pv->dev = pl->dev;
- if (!(pv->vg_name = dm_pool_strdup(mem, pd->pl_pool_name))) {
- log_error("Unable to duplicate vg_name string");
- return 0;
- }
- if (vg != NULL)
- memcpy(&pv->vgid, &vg->id, sizeof(vg->id));
- pv->status = 0;
- pv->size = pd->pl_blocks;
- pv->pe_size = POOL_PE_SIZE;
- pv->pe_start = POOL_PE_START;
- pv->pe_count = pv->size / POOL_PE_SIZE;
- pv->pe_alloc_count = 0;
- pv->pe_align = 0;
-
- dm_list_init(&pv->tags);
- dm_list_init(&pv->segments);
-
- if (!alloc_pv_segment_whole_pv(mem, pv))
- return_0;
-
- return 1;
-}
-
-static const char *_cvt_sptype(uint32_t sptype)
-{
- int i;
- for (i = 0; sptype_names[i].name[0]; i++) {
- if (sptype == sptype_names[i].label) {
- break;
- }
- }
- log_debug_metadata("Found sptype %X and converted it to %s",
- sptype, sptype_names[i].name);
- return sptype_names[i].name;
-}
-
-static int _add_stripe_seg(struct dm_pool *mem,
- struct user_subpool *usp, struct logical_volume *lv,
- uint32_t *le_cur)
-{
- struct lv_segment *seg;
- struct segment_type *segtype;
- unsigned j;
- uint32_t area_len;
-
- if (!is_power_of_2(usp->striping)) {
- log_error("Stripe size must be a power of 2");
- return 0;
- }
-
- area_len = (usp->devs[0].blocks) / POOL_PE_SIZE;
-
- if (!(segtype = get_segtype_from_string(lv->vg->cmd, SEG_TYPE_NAME_STRIPED)))
- return_0;
-
- if (!(seg = alloc_lv_segment(segtype, lv, *le_cur,
- area_len * usp->num_devs, 0, 0,
- usp->striping, NULL, usp->num_devs,
- area_len, 0, 0, 0, 0, NULL))) {
- log_error("Unable to allocate striped lv_segment structure");
- return 0;
- }
-
- for (j = 0; j < usp->num_devs; j++)
- if (!set_lv_segment_area_pv(seg, j, usp->devs[j].pv, 0))
- return_0;
-
- /* add the subpool type to the segment tag list */
- if (!str_list_add(mem, &seg->tags, _cvt_sptype(usp->type))) {
- log_error("Allocation failed for str_list.");
- return 0;
- }
-
- dm_list_add(&lv->segments, &seg->list);
-
- *le_cur += seg->len;
-
- return 1;
-}
-
-static int _add_linear_seg(struct dm_pool *mem,
- struct user_subpool *usp, struct logical_volume *lv,
- uint32_t *le_cur)
-{
- struct lv_segment *seg;
- struct segment_type *segtype;
- unsigned j;
- uint32_t area_len;
-
- if (!(segtype = get_segtype_from_string(lv->vg->cmd, SEG_TYPE_NAME_STRIPED)))
- return_0;
-
- for (j = 0; j < usp->num_devs; j++) {
- area_len = (usp->devs[j].blocks) / POOL_PE_SIZE;
-
- if (!(seg = alloc_lv_segment(segtype, lv, *le_cur,
- area_len, 0, 0, usp->striping,
- NULL, 1, area_len, 0,
- POOL_PE_SIZE, 0, 0, NULL))) {
- log_error("Unable to allocate linear lv_segment "
- "structure");
- return 0;
- }
-
- /* add the subpool type to the segment tag list */
- if (!str_list_add(mem, &seg->tags, _cvt_sptype(usp->type))) {
- log_error("Allocation failed for str_list.");
- return 0;
- }
-
- if (!set_lv_segment_area_pv(seg, 0, usp->devs[j].pv, 0))
- return_0;
- dm_list_add(&lv->segments, &seg->list);
-
- *le_cur += seg->len;
- }
-
- return 1;
-}
-
-int import_pool_segments(struct dm_list *lvs, struct dm_pool *mem,
- struct user_subpool *usp, int subpools)
-{
- struct lv_list *lvl;
- struct logical_volume *lv;
- uint32_t le_cur = 0;
- int i;
-
- dm_list_iterate_items(lvl, lvs) {
- lv = lvl->lv;
-
- if (lv_is_snapshot(lv))
- continue;
-
- for (i = 0; i < subpools; i++) {
- if (usp[i].striping) {
- if (!_add_stripe_seg(mem, &usp[i], lv, &le_cur))
- return_0;
- } else {
- if (!_add_linear_seg(mem, &usp[i], lv, &le_cur))
- return_0;
- }
- }
- }
-
- return 1;
-}
+++ /dev/null
-/*
- * Copyright (C) 1997-2004 Sistina Software, Inc. All rights reserved.
- * Copyright (C) 2004-2006 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#include "lib.h"
-#include "label.h"
-#include "metadata.h"
-#include "disk_rep.h"
-#include "pool_label.h"
-
-#include <sys/stat.h>
-#include <fcntl.h>
-
-static void _pool_not_supported(const char *op)
-{
- log_error("The '%s' operation is not supported for the pool labeller.",
- op);
-}
-
-static int _pool_can_handle(struct labeller *l __attribute__((unused)), void *buf, uint64_t sector)
-{
-
- struct pool_disk pd;
-
- /*
- * POOL label must always be in first sector
- */
- if (sector)
- return 0;
-
- pool_label_in(&pd, buf);
-
- /* can ignore 8 rightmost bits for ondisk format check */
- if ((pd.pl_magic == POOL_MAGIC) &&
- (pd.pl_version >> 8 == POOL_VERSION >> 8))
- return 1;
-
- return 0;
-}
-
-static int _pool_write(struct label *label __attribute__((unused)), void *buf __attribute__((unused)))
-{
- _pool_not_supported("write");
- return 0;
-}
-
-static int _pool_read(struct labeller *l, struct device *dev, void *buf,
- struct label **label)
-{
- struct pool_list pl;
-
- return read_pool_label(&pl, l, dev, buf, label);
-}
-
-static int _pool_initialise_label(struct labeller *l __attribute__((unused)), struct label *label)
-{
- strcpy(label->type, "POOL");
-
- return 1;
-}
-
-static void _pool_destroy_label(struct labeller *l __attribute__((unused)), struct label *label __attribute__((unused)))
-{
-}
-
-static void _label_pool_destroy(struct labeller *l)
-{
- dm_free(l);
-}
-
-struct label_ops _pool_ops = {
- .can_handle = _pool_can_handle,
- .write = _pool_write,
- .read = _pool_read,
- .initialise_label = _pool_initialise_label,
- .destroy_label = _pool_destroy_label,
- .destroy = _label_pool_destroy,
-};
-
-struct labeller *pool_labeller_create(struct format_type *fmt)
-{
- struct labeller *l;
-
- if (!(l = dm_malloc(sizeof(*l)))) {
- log_error("Couldn't allocate labeller object.");
- return NULL;
- }
-
- l->ops = &_pool_ops;
- l->fmt = fmt;
-
- return l;
-}
+++ /dev/null
-/*
- * Copyright (C) 1997-2004 Sistina Software, Inc. All rights reserved.
- * Copyright (C) 2004 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#ifndef _LVM_POOL_LABEL_H
-#define _LVM_POOL_LABEL_H
-
-#include "metadata.h"
-
-struct labeller *pool_labeller_create(struct format_type *fmt);
-
-#endif
+++ /dev/null
-/*
- * Copyright (C) 1997-2004 Sistina Software, Inc. All rights reserved.
- * Copyright (C) 2004-2005 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#ifndef SPTYPE_NAMES_H
-#define SPTYPE_NAMES_H
-
-/* This must be kept up to date with sistina/pool/module/pool_sptypes.h */
-
-/* Generic Labels */
-#define SPTYPE_DATA (0x00000000)
-
-/* GFS specific labels */
-#define SPTYPE_GFS_DATA (0x68011670)
-#define SPTYPE_GFS_JOURNAL (0x69011670)
-
-struct sptype_name {
- const char *name;
- uint32_t label;
-};
-
-static const struct sptype_name sptype_names[] = {
- {"data", SPTYPE_DATA},
-
- {"gfs_data", SPTYPE_GFS_DATA},
- {"gfs_journal", SPTYPE_GFS_JOURNAL},
-
- {"", 0x0} /* This must be the last flag. */
-};
-
-#endif
if (vg->system_id && *vg->system_id)
outf(f, "system_id = \"%s\"", vg->system_id);
- else if (vg->lvm1_system_id && *vg->lvm1_system_id)
- outf(f, "system_id = \"%s\"", vg->lvm1_system_id);
if (vg->lock_type) {
outf(f, "lock_type = \"%s\"", vg->lock_type);
fmt->name = FMT_TEXT_NAME;
fmt->alias = FMT_TEXT_ALIAS;
fmt->orphan_vg_name = ORPHAN_VG_NAME(FMT_TEXT_NAME);
- fmt->features = FMT_SEGMENTS | FMT_MDAS | FMT_TAGS | FMT_PRECOMMIT |
+ fmt->features = FMT_SEGMENTS | FMT_TAGS | FMT_PRECOMMIT |
FMT_UNLIMITED_VOLS | FMT_RESIZE_PV |
- FMT_UNLIMITED_STRIPESIZE | FMT_BAS | FMT_CONFIG_PROFILE |
+ FMT_UNLIMITED_STRIPESIZE | FMT_CONFIG_PROFILE |
FMT_NON_POWER2_EXTENTS | FMT_PV_FLAGS;
if (!(mda_lists = dm_malloc(sizeof(struct mda_lists)))) {
goto bad;
}
- /*
- * A system id without WRITE_LOCKED is an old lvm1 system id.
- */
if (dm_config_get_str(vgn, "system_id", &system_id)) {
- if (!(vgstatus & LVM_WRITE_LOCKED)) {
- if (!(vg->lvm1_system_id = dm_pool_zalloc(vg->vgmem, NAME_LEN + 1)))
- goto_bad;
- strncpy(vg->lvm1_system_id, system_id, NAME_LEN);
- } else if (!(vg->system_id = dm_pool_strdup(vg->vgmem, system_id))) {
+ if (!(vg->system_id = dm_pool_strdup(vg->vgmem, system_id))) {
log_error("Failed to allocate memory for system_id in _read_vg.");
goto bad;
}
_locking.fin_locking();
}
-/*
- * Does the LVM1 driver know of this VG name?
- */
-int check_lvm1_vg_inactive(struct cmd_context *cmd, const char *vgname)
-{
- struct stat info;
- char path[PATH_MAX];
-
- /* We'll allow operations on orphans */
- if (!is_real_vg(vgname))
- return 1;
-
- /* LVM1 is only present in 2.4 kernels. */
- if (strncmp(cmd->kernel_vsn, "2.4.", 4))
- return 1;
-
- if (dm_snprintf(path, sizeof(path), "%s/lvm/VGs/%s", cmd->proc_dir,
- vgname) < 0) {
- log_error("LVM1 proc VG pathname too long for %s", vgname);
- return 0;
- }
-
- if (stat(path, &info) == 0) {
- log_error("%s exists: Is the original LVM driver using "
- "this volume group?", path);
- return 0;
- }
-
- if (errno != ENOENT && errno != ENOTDIR) {
- log_sys_error("stat", path);
- return 0;
- }
-
- return 1;
-}
-
/*
* VG locking is by VG name.
* FIXME This should become VG uuid.
lvmcache_drop_metadata(vol, 0);
}
- /* Lock VG to change on-disk metadata. */
- /* If LVM1 driver knows about the VG, it can't be accessed. */
- if (!check_lvm1_vg_inactive(cmd, vol))
- return_0;
break;
case LCK_LV:
/* All LV locks are non-blocking. */
force_t force, int suppress_remove_message)
{
struct volume_group *vg;
- struct logical_volume *format1_origin = NULL;
- int format1_reload_required = 0;
int visible, historical;
struct logical_volume *pool_lv = NULL;
struct logical_volume *lock_lv = lv;
}
if (lv_is_cow(lv)) {
- /* Old format1 code */
- if (!(lv->vg->fid->fmt->features & FMT_MDAS))
- format1_origin = origin_from_cow(lv);
-
log_verbose("Removing snapshot volume %s.", display_lvname(lv));
/* vg_remove_snapshot() will preload origin/former snapshots */
if (!vg_remove_snapshot(lv))
}
}
- /*
- * Old format1 code: If no snapshots left reload without -real.
- */
- if (format1_origin && !lv_is_origin(format1_origin)) {
- log_warn("WARNING: Support for snapshots with old LVM1-style metadata is deprecated.");
- log_warn("WARNING: Please use lvconvert to update to lvm2 metadata at your convenience.");
- format1_reload_required = 1;
- }
-
/* store it on disks */
if (!vg_write(vg) || !vg_commit(vg))
return_0;
- /* format1 */
- if (format1_reload_required) {
- if (!suspend_lv(cmd, format1_origin))
- log_error("Failed to refresh %s without snapshot.", format1_origin->name);
-
- if (!resume_lv(cmd, format1_origin)) {
- log_error("Failed to resume %s.", format1_origin->name);
- return 0;
- }
- }
-
/* Release unneeded blocks in thin pool */
/* TODO: defer when multiple LVs relased at once */
if (pool_lv && !update_pool_lv(pool_lv, 1)) {
/* Format features flags */
#define FMT_SEGMENTS 0x00000001U /* Arbitrary segment params? */
-#define FMT_MDAS 0x00000002U /* Proper metadata areas? */
+// #define FMT_MDAS 0x00000002U /* Proper metadata areas? */
#define FMT_TAGS 0x00000004U /* Tagging? */
#define FMT_UNLIMITED_VOLS 0x00000008U /* Unlimited PVs/LVs? */
#define FMT_RESTRICTED_LVIDS 0x00000010U /* LVID <= 255 */
#define FMT_RESIZE_PV 0x00000080U /* Supports pvresize? */
#define FMT_UNLIMITED_STRIPESIZE 0x00000100U /* Unlimited stripe size? */
#define FMT_RESTRICTED_READAHEAD 0x00000200U /* Readahead restricted to 2-120? */
-#define FMT_BAS 0x000000400U /* Supports bootloader areas? */
+// #define FMT_BAS 0x000000400U /* Supports bootloader areas? */
#define FMT_CONFIG_PROFILE 0x000000800U /* Supports configuration profiles? */
-#define FMT_OBSOLETE 0x000001000U /* Obsolete format? */
+// #define FMT_OBSOLETE 0x000001000U /* Obsolete format? */
#define FMT_NON_POWER2_EXTENTS 0x000002000U /* Non-power-of-2 extent sizes? */
-#define FMT_SYSTEMID_ON_PVS 0x000004000U /* System ID is stored on PVs not VG */
+// #define FMT_SYSTEMID_ON_PVS 0x000004000U /* System ID is stored on PVs not VG */
#define FMT_PV_FLAGS 0x000008000U /* Supports PV flags */
-#define systemid_on_pvs(vg) ((vg)->fid->fmt->features & FMT_SYSTEMID_ON_PVS)
-
/* Mirror conversion type flags */
#define MIRROR_BY_SEG 0x00000001U /* segment-by-segment mirror */
#define MIRROR_BY_LV 0x00000002U /* mirror using whole mimage LVs */
vg->status = (RESIZEABLE_VG | LVM_READ | LVM_WRITE);
vg->system_id = NULL;
- if (!(vg->lvm1_system_id = dm_pool_zalloc(vg->vgmem, NAME_LEN + 1)))
- goto_bad;
vg->extent_size = DEFAULT_EXTENT_SIZE * 2;
vg->max_lv = DEFAULT_MAX_LV;
return 0;
}
- if ((vg->fid->fmt->features & FMT_MDAS) && !_vg_adjust_ignored_mdas(vg))
+ if (!_vg_adjust_ignored_mdas(vg))
return_0;
if (!vg_mda_used_count(vg)) {
static int _access_vg_systemid(struct cmd_context *cmd, struct volume_group *vg)
{
- /*
- * LVM1 VGs must not be accessed if a new-style LVM2 system ID is set.
- */
- if (cmd->system_id && systemid_on_pvs(vg)) {
- log_error("Cannot access VG %s with LVM1 system ID %s when host system ID is set.",
- vg->name, vg->lvm1_system_id);
- return 0;
- }
-
/*
* A few commands allow read-only access to foreign VGs.
*/
uint32_t lockd_state, uint32_t *failure)
{
if (!is_real_vg(vg->name)) {
- /* Disallow use of LVM1 orphans when a host system ID is set. */
- if (cmd->system_id && *cmd->system_id && systemid_on_pvs(vg)) {
- *failure |= FAILED_SYSTEMID;
- return_0;
- }
return 1;
}
#define SEG_AREAS_STRIPED (1ULL << 1)
#define SEG_AREAS_MIRRORED (1ULL << 2)
#define SEG_SNAPSHOT (1ULL << 3)
-#define SEG_FORMAT1_SUPPORT (1ULL << 4)
+/* #define SEG_FORMAT1_SUPPORT (1ULL << 4) */
#define SEG_VIRTUAL (1ULL << 5)
#define SEG_CANNOT_BE_ZEROED (1ULL << 6)
#define SEG_MONITORED (1ULL << 7)
cow->snapshot = NULL;
lv_set_visible(cow);
- /* format1 must do the change in one step, with the commit last. */
- if (!(origin->vg->fid->fmt->features & FMT_MDAS)) {
- /* Get the lock for COW volume */
- if (is_origin_active && !activate_lv(cow->vg->cmd, cow)) {
- log_error("Unable to activate logical volume \"%s\"",
- cow->name);
- return 0;
- }
- return 1;
- }
-
if (!vg_write(origin->vg))
return_0;
return NULL;
}
- if (!(vg->lvm1_system_id = dm_pool_zalloc(vgmem, NAME_LEN + 1))) {
- log_error("Failed to allocate VG systemd id.");
- dm_pool_destroy(vgmem);
- return NULL;
- }
-
vg->system_id = "";
vg->cmd = cmd;
char *vg_system_id_dup(const struct volume_group *vg)
{
- return dm_pool_strdup(vg->vgmem, vg->system_id ? : vg->lvm1_system_id ? : "");
+ return dm_pool_strdup(vg->vgmem, vg->system_id ? : "");
}
char *vg_lock_type_dup(const struct volume_group *vg)
return 1;
}
- if (systemid_on_pvs(vg)) {
- log_error("Metadata format %s does not support this type of system ID.",
- vg->fid->fmt->name);
- return 0;
- }
-
if (!(vg->system_id = dm_pool_strdup(vg->vgmem, system_id))) {
log_error("Failed to allocate memory for system_id in vg_set_system_id.");
return 0;
}
- if (vg->lvm1_system_id)
- *vg->lvm1_system_id = '\0';
-
return 1;
}
const char *name;
const char *old_name; /* Set during vgrename and vgcfgrestore */
const char *system_id;
- char *lvm1_system_id;
const char *lock_type;
const char *lock_args;
const void *data, void *private)
{
const struct volume_group *vg = (const struct volume_group *) data;
- const char *repstr = (vg->system_id && *vg->system_id) ? vg->system_id : vg->lvm1_system_id ? : "";
+ const char *repstr = (vg->system_id && *vg->system_id) ? vg->system_id : "";
return _field_string(rh, field, repstr);
}
.fid = &_dummy_fid,
.name = "",
.system_id = (char *) "",
- .lvm1_system_id = (char *) "",
.pvs = DM_LIST_HEAD_INIT(_dummy_vg.pvs),
.lvs = DM_LIST_HEAD_INIT(_dummy_vg.lvs),
.historical_lvs = DM_LIST_HEAD_INIT(_dummy_vg.historical_lvs),
.fid = &_dummy_fid,
.name = "[unknown]",
.system_id = (char *) "",
- .lvm1_system_id = (char *) "",
.pvs = DM_LIST_HEAD_INIT(_unknown_vg.pvs),
.lvs = DM_LIST_HEAD_INIT(_unknown_vg.lvs),
.historical_lvs = DM_LIST_HEAD_INIT(_unknown_vg.historical_lvs),
segtype->ops = &_striped_ops;
segtype->name = SEG_TYPE_NAME_STRIPED;
segtype->flags = SEG_STRIPED_TARGET |
- SEG_CAN_SPLIT | SEG_AREAS_STRIPED | SEG_FORMAT1_SUPPORT;
+ SEG_CAN_SPLIT | SEG_AREAS_STRIPED;
log_very_verbose("Initialised segtype: %s", segtype->name);
-vgconvert converts VG metadata from one format to another. The new
-metadata format must be able to fit into the space provided by the old
+vgconvert converts VG metadata from one format to another. This command
+is no longer used because this version of lvm no longer supports the LVM1
format.
-
-Because the LVM1 format should no longer be used, this command is no
-longer needed in general.
+++ /dev/null
-#!/usr/bin/env bash
-
-# Copyright (C) 2008 Red Hat, Inc. All rights reserved.
-#
-# 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 General Public License v.2.
-#
-# You should have received a copy of the GNU 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
-
-test_description='Test lvm1 format'
-
-SKIP_WITH_LVMPOLLD=1
-
-. lib/inittest
-
-aux prepare_devs 1
-
-if test -n "$LVM_TEST_LVM1" ; then
-pvcreate -M1 "$dev1"
-vgcreate -M1 $vg "$dev1"
-check vg_field $vg fmt "lvm1"
-fi
-
-# TODO: if we decide to make using lvm1 with lvmetad an error,
-# then if lvmetad is being used, then verify:
-# not pvcreate -M1 "$dev1"
-# not vgcreate -M1 $vg "$dev1"
-#
-# TODO: if we decide to allow using lvm1 with lvmetad, but disable lvmetad
-# when it happens, then verify:
-# pvcreate -M1 "$dev1" | tee err
-# grep "disabled" err
-# vgcreate -M1 $vg "$dev1" | tee err
-# grep "disabled" err
-
+++ /dev/null
-#!/usr/bin/env bash
-
-# Copyright (C) 2012 Red Hat, Inc. All rights reserved.
-#
-# 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 General Public License v.2.
-#
-# You should have received a copy of the GNU 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
-
-SKIP_WITH_LVMLOCKD=1
-SKIP_WITHOUT_LVMETAD=1
-SKIP_WITH_LVMPOLLD=1
-
-. lib/inittest
-
-aux prepare_devs 2
-pvcreate --metadatatype 1 "$dev1"
-pvs | tee out
-grep "$dev1" out
-vgcreate --metadatatype 1 $vg1 "$dev1"
-vgs | tee out
-grep $vg1 out
-pvs | tee out
-grep "$dev1" out
-
-# check for RHBZ 1080189 -- SEGV in lvremove/vgremove
-pvcreate -ff -y --metadatatype 1 "$dev1" "$dev2"
-vgcreate --metadatatype 1 $vg1 "$dev1" "$dev2"
-lvcreate -l1 $vg1 "$dev1"
-pvremove -ff -y "$dev2"
-vgchange -an $vg1
-not lvremove $vg1
-not vgremove -ff -y $vg1
+++ /dev/null
-#!/usr/bin/env bash
-
-# Copyright (C) 2013 Red Hat, Inc. All rights reserved.
-#
-# This copyrighted material is made available to anyone wishing to use,
-# modify, copy, or redistribute it subject to the terms and conditions
-# of the GNU General Public License v.2.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
-
-# regression test for lvmetad reporting error:
-# Internal error: LV snap_with_lvm1_meta (00000000000000000000000000000001) missing from preload metadata
-
-SKIP_WITH_LVMLOCKD=1
-SKIP_WITH_LVMPOLLD=1
-
-. lib/inittest
-
-aux prepare_devs 2
-get_devs
-
-vgcreate --metadatatype 1 "$vg" "${DEVICES[@]}"
-
-# Make origin volume
-lvcreate -ae -l5 $vg -n origin
-
-# Create a snap of origin
-lvcreate -s $vg/origin -n snap_with_lvm1_meta -l4
-
-# Remove volume snapper/snap_with_lvm1_meta
-lvremove -f $vg/snap_with_lvm1_meta
-
-vgremove -ff $vg
arg(metadatatype_ARG, 'M', "metadatatype", metadatatype_VAL, 0, 0,
"Specifies the type of on-disk metadata to use.\n"
"\\fBlvm2\\fP (or just \\fB2\\fP) is the current, standard format.\n"
- "\\fBlvm1\\fP (or just \\fB1\\fP) is a historical format that\n"
- "can be used for accessing old data.\n")
+ "\\fBlvm1\\fP (or just \\fB1\\fP) is no longer used.\n")
arg(name_ARG, 'n', "name", string_VAL, 0, 0,
"#lvcreate\n"
return 0;
}
- if (!(vg->fid->fmt->features & FMT_MDAS)) {
- log_error("Unable to split off snapshot %s using old LVM1-style metadata.", cow_name);
- return 0;
- }
-
if (is_lockd_type(vg->lock_type)) {
/* FIXME: we need to create a lock for the new LV. */
log_error("Unable to split snapshots in VG with lock_type %s.", vg->lock_type);
#include "stub.h"
#include "last-path-component.h"
-#include "format1.h"
#include <signal.h>
#include <sys/stat.h>
goto out;
}
- if (!strcmp(cmd->fmt->name, FMT_LVM1_NAME) && lvmetad_used()) {
- log_warn("WARNING: Disabling lvmetad cache which does not support obsolete metadata.");
- lvmetad_set_disabled(cmd, LVMETAD_DISABLE_REASON_LVM1);
- log_warn("WARNING: Not using lvmetad because lvm1 format is used.");
- lvmetad_make_unused(cmd);
- }
-
if (cmd->command->command_enum == lvconvert_repair_CMD) {
log_warn("WARNING: Disabling lvmetad cache for repair command.");
lvmetad_set_disabled(cmd, LVMETAD_DISABLE_REASON_REPAIR);
* by different token values.)
*
* lvmetad may have been previously disabled (or disabled during the
- * rescan done here) because duplicate devices or lvm1 metadata were seen.
+ * rescan done here) because duplicate devices were seen.
* In this case, disable the *use* of lvmetad by this command, reverting to
* disk scanning.
*/
return ret;
}
-/*
- * Determine whether we should fall back and exec the equivalent LVM1 tool
- */
-static int _lvm1_fallback(struct cmd_context *cmd)
-{
- char vsn[80];
- int dm_present;
-
- if (!find_config_tree_bool(cmd, global_fallback_to_lvm1_CFG, NULL) ||
- strncmp(cmd->kernel_vsn, "2.4.", 4))
- return 0;
-
- log_suppress(1);
- dm_present = driver_version(vsn, sizeof(vsn));
- log_suppress(0);
-
- if (dm_present || !lvm1_present(cmd))
- return 0;
-
- return 1;
-}
-
-static void _exec_lvm1_command(char **argv)
-{
- char path[PATH_MAX];
-
- if (dm_snprintf(path, sizeof(path), "%s.lvm1", argv[0]) < 0) {
- log_error("Failed to create LVM1 tool pathname");
- return;
- }
-
- execvp(path, argv);
- log_sys_error("execvp", path);
-}
-
static void _nonroot_warning(void)
{
if (getuid() || geteuid())
} else
run_name = dm_basename(argv[0]);
- if (_lvm1_fallback(cmd)) {
- /* Attempt to run equivalent LVM1 tool instead */
- if (!argc) {
- log_error("Falling back to LVM1 tools, but no "
- "command specified.");
- ret = ECMD_FAILED;
- goto out;
- }
- _exec_lvm1_command(argv);
- ret = ECMD_FAILED;
- goto_out;
- }
-
/*
* Decide if we are running a shell or a command or a script. When
* there is no run_name, it's a shell, when run_name is a recognized
* display the PV info.
*
* iii. If lvmetad is being used, but has been disabled (because of
- * duplicate devs or lvm1 metadata), or has a non-matching token
+ * duplicate devs), or has a non-matching token
* (because the device filter is different from the device filter last
* used to populate lvmetad), then 'pvscan' will begin by rescanning
* devices to repopulate lvmetad. If lvmetad is enabled after the
* attempt to repopulate the lvmetad cache by rescanning all devs
* (regardless of whether lvmetad was previously disabled or had an
* unmatching token.) lvmetad may be enabled or disabled after the
- * rescan (depending on whether duplicate devs or lvm1 metadata was
- * found).
+ * rescan (depending on whether duplicate devs).
*
* 3. The 'pvscan --cache <dev>' command will attempt to repopulate the
* lvmetad cache by rescanning all devs if lvmetad has a non-matching
{
log_error("There's no 'pvdata' command in LVM2.");
log_error("Use lvs, pvs, vgs instead; or use vgcfgbackup and read the text file backup.");
- log_error("Metadata in LVM1 format can still be displayed using LVM1's pvdata command.");
return ECMD_FAILED;
}
*/
#include "tools.h"
-#include "format1.h"
#include "format-text.h"
#include <sys/stat.h>
.fid = &dummy_fid,
.name = "",
.system_id = (char *) "",
- .lvm1_system_id = (char *) "",
.pvs = DM_LIST_HEAD_INIT(dummy_vg.pvs),
.lvs = DM_LIST_HEAD_INIT(dummy_vg.lvs),
.historical_lvs = DM_LIST_HEAD_INIT(dummy_vg.historical_lvs),
pp->pva.label_sector = arg_int64_value(cmd, labelsector_ARG,
DEFAULT_LABELSECTOR);
- if (!(cmd->fmt->features & FMT_MDAS) &&
- (arg_is_set(cmd, pvmetadatacopies_ARG) ||
- arg_is_set(cmd, metadatasize_ARG) ||
- arg_is_set(cmd, dataalignment_ARG) ||
- arg_is_set(cmd, dataalignmentoffset_ARG))) {
- log_error("Metadata and data alignment parameters only "
- "apply to text format.");
- return 0;
- }
-
- if (!(cmd->fmt->features & FMT_BAS) &&
- arg_is_set(cmd, bootloaderareasize_ARG)) {
- log_error("Bootloader area parameters only "
- "apply to text format.");
- return 0;
- }
-
if (arg_is_set(cmd, metadataignore_ARG))
pp->pva.metadataignore = arg_int_value(cmd, metadataignore_ARG,
DEFAULT_PVMETADATAIGNORE);
pd->is_orphan_pv = 1;
}
- if (!strcmp(vg->name, FMT_LVM1_ORPHAN_VG_NAME))
- pp->orphan_vg_name = FMT_LVM1_ORPHAN_VG_NAME;
- else
- pp->orphan_vg_name = FMT_TEXT_ORPHAN_VG_NAME;
+ pp->orphan_vg_name = FMT_TEXT_ORPHAN_VG_NAME;
} else {
log_debug("Found pvcreate arg %s: device is not a PV.", pd->name);
/* Device is not a PV. */
pd->is_orphan_pv = 1;
}
- if (!strcmp(vg->name, FMT_LVM1_ORPHAN_VG_NAME))
- pp->orphan_vg_name = FMT_LVM1_ORPHAN_VG_NAME;
- else
- pp->orphan_vg_name = FMT_TEXT_ORPHAN_VG_NAME;
+ pp->orphan_vg_name = FMT_TEXT_ORPHAN_VG_NAME;
} else {
/* FIXME: is it possible to reach here? */
log_debug("Found pvremove arg %s: device is not a PV.", pd->name);
*
* FIXME: are there some specialized or irrelevant
* options included in the usage text below that should
- * be removed? Should "lvm1" be removed?
+ * be removed?
*
* Size is a Number that takes an optional unit.
* A full usage could be "Size[b|B|s|S|k|K|m|M|g|G|t|T|p|P|e|E]"
val(pextents_VAL, pextents_arg, "PExtents", "[+]Number[PERCENT]")
val(nextents_VAL, nextents_arg, "NExtents", "[-]Number[PERCENT]")
val(permission_VAL, permission_arg, "Permission", "rw|r")
-val(metadatatype_VAL, metadatatype_arg, "MetadataType", "lvm2|lvm1")
+val(metadatatype_VAL, metadatatype_arg, "MetadataType", "lvm2")
val(units_VAL, string_arg, "Units", "r|R|h|H|b|B|s|S|k|K|m|M|g|G|t|T|p|P|e|E")
val(segtype_VAL, segtype_arg, "SegType", "linear|striped|snapshot|mirror|raid|thin|cache|thin-pool|cache-pool")
val(alloc_VAL, alloc_arg, "Alloc", "contiguous|cling|cling_by_tags|normal|anywhere|inherit")
const char *system_id;
const char *system_id_arg_str = arg_str_value(cmd, systemid_ARG, NULL);
- /* FIXME Merge with vg_set_system_id() */
- if (systemid_on_pvs(vg)) {
- log_error("Metadata format %s does not support this type of system ID.",
- vg->fid->fmt->name);
- return 0;
- }
-
if (!(system_id = system_id_from_string(cmd, system_id_arg_str))) {
log_error("Unable to set system ID.");
return 0;
vg->system_id = system_id;
- if (vg->lvm1_system_id)
- *vg->lvm1_system_id = '\0';
-
return 1;
}
return ECMD_FAILED;
}
- if (cmd->fmt->features & FMT_MDAS) {
- if (arg_sign_value(cmd, metadatasize_ARG, SIGN_NONE) == SIGN_MINUS) {
- log_error("Metadata size may not be negative");
- return EINVALID_CMD_LINE;
- }
-
- pva.pvmetadatasize = arg_uint64_value(cmd, metadatasize_ARG, UINT64_C(0));
- if (!pva.pvmetadatasize)
- pva.pvmetadatasize = find_config_tree_int(cmd, metadata_pvmetadatasize_CFG, NULL);
-
- pva.pvmetadatacopies = arg_int_value(cmd, pvmetadatacopies_ARG, -1);
- if (pva.pvmetadatacopies < 0)
- pva.pvmetadatacopies = find_config_tree_int(cmd, metadata_pvmetadatacopies_CFG, NULL);
+ if (arg_sign_value(cmd, metadatasize_ARG, SIGN_NONE) == SIGN_MINUS) {
+ log_error("Metadata size may not be negative");
+ return EINVALID_CMD_LINE;
}
- if (cmd->fmt->features & FMT_BAS) {
- if (arg_sign_value(cmd, bootloaderareasize_ARG, SIGN_NONE) == SIGN_MINUS) {
- log_error("Bootloader area size may not be negative");
- return EINVALID_CMD_LINE;
- }
+ pva.pvmetadatasize = arg_uint64_value(cmd, metadatasize_ARG, UINT64_C(0));
+ if (!pva.pvmetadatasize)
+ pva.pvmetadatasize = find_config_tree_int(cmd, metadata_pvmetadatasize_CFG, NULL);
- pva.ba_size = arg_uint64_value(cmd, bootloaderareasize_ARG, UINT64_C(0));
+ pva.pvmetadatacopies = arg_int_value(cmd, pvmetadatacopies_ARG, -1);
+ if (pva.pvmetadatacopies < 0)
+ pva.pvmetadatacopies = find_config_tree_int(cmd, metadata_pvmetadatacopies_CFG, NULL);
+
+ if (arg_sign_value(cmd, bootloaderareasize_ARG, SIGN_NONE) == SIGN_MINUS) {
+ log_error("Bootloader area size may not be negative");
+ return EINVALID_CMD_LINE;
}
+ pva.ba_size = arg_uint64_value(cmd, bootloaderareasize_ARG, UINT64_C(0));
+
if (!vg_check_new_extent_size(cmd->fmt, vg->extent_size))
return_ECMD_FAILED;
return ECMD_FAILED;
}
- /* New-style system ID supported? */
- if (vg->system_id && *vg->system_id && (cmd->fmt->features & FMT_SYSTEMID_ON_PVS)) {
- log_error("Unable to convert VG %s while it has a system ID set (%s).", vg->name,
- vg->system_id);
- return ECMD_FAILED;
- }
-
/* Attempt to change any LVIDs that are too big */
if (cmd->fmt->features & FMT_RESTRICTED_LVIDS) {
dm_list_iterate_items(lvl, &vg->lvs) {
return EINVALID_CMD_LINE;
}
- if (!(cmd->fmt->features & FMT_MDAS) &&
- arg_is_set(cmd, pvmetadatacopies_ARG)) {
- log_error("Metadata parameters only apply to text format");
- return EINVALID_CMD_LINE;
- }
-
- if (!(cmd->fmt->features & FMT_BAS) &&
- arg_is_set(cmd, bootloaderareasize_ARG)) {
- log_error("Bootloader area parameters only apply to text format");
- return EINVALID_CMD_LINE;
- }
-
return process_each_vg(cmd, argc, argv, NULL, NULL, READ_FOR_UPDATE, 0, NULL,
&_vgconvert_single);
}
* display the VG info.
*
* iii. If lvmetad is being used, but has been disabled (because of
- * duplicate devs or lvm1 metadata), or has a non-matching token
+ * duplicate devs), or has a non-matching token
* (because the device filter is different from the device filter last
* used to populate lvmetad), then 'vgscan' will begin by rescanning
* devices to repopulate lvmetad. If lvmetad is enabled after the
* the lvmetad cache by rescanning all devs (regardless of whether
* lvmetad was previously disabled or had an unmatching token.)
* lvmetad may be enabled or disabled after the rescan (depending
- * on whether duplicate devs or lvm1 metadata was found).
+ * on whether duplicate devs were found).
* If enabled, then it will simply read and display VG info from the
* lvmetad cache (like case 1.i.). If disabled, then it will
* read all devices to display VG info (like case 1.ii.)
git://sourceware.org / lvm2.git / commitdiff