/*
- * Copyright (C) 2001 Sistina Software
+ * Copyright (C) 2001-2004 Sistina Software, Inc. All rights reserved.
+ * Copyright (C) 2004-2007 Red Hat, Inc. All rights reserved.
*
- * LVM is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2, or (at your option)
- * any later version.
+ * This file is part of LVM2.
*
- * LVM is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with LVM; see the file COPYING. If not, write to
- * the Free Software Foundation, 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
+ * This copyrighted material is made available to anyone wishing to use,
+ * modify, copy, or redistribute it subject to the terms and conditions
+ * of the GNU Lesser General Public License v.2.1.
*
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "tools.h"
-void pvscan_display_single(struct physical_volume *pv);
+#include "lvmetad.h"
+#include "lvmcache.h"
int pv_max_name_len = 0;
int vg_max_name_len = 0;
-int pvscan(int argc, char **argv)
+static void _pvscan_display_single(struct cmd_context *cmd,
+ struct physical_volume *pv,
+ void *handle __attribute__((unused)))
+{
+ char uuid[64] __attribute__((aligned(8)));
+ unsigned vg_name_len = 0;
+
+ char pv_tmp_name[NAME_LEN] = { 0, };
+ char vg_tmp_name[NAME_LEN] = { 0, };
+ char vg_name_this[NAME_LEN] = { 0, };
+
+ /* short listing? */
+ if (arg_count(cmd, short_ARG) > 0) {
+ log_print("%s", pv_dev_name(pv));
+ return;
+ }
+
+ if (arg_count(cmd, verbose_ARG) > 1) {
+ /* FIXME As per pv_display! Drop through for now. */
+ /* pv_show(pv); */
+
+ /* FIXME - Moved to Volume Group structure */
+ /* log_print("System Id %s", pv->vg->system_id); */
+
+ /* log_print(" "); */
+ /* return; */
+ }
+
+ memset(pv_tmp_name, 0, sizeof(pv_tmp_name));
+
+ vg_name_len = strlen(pv_vg_name(pv)) + 1;
+
+ if (arg_count(cmd, uuid_ARG)) {
+ if (!id_write_format(&pv->id, uuid, sizeof(uuid))) {
+ stack;
+ return;
+ }
+
+ sprintf(pv_tmp_name, "%-*s with UUID %s",
+ pv_max_name_len - 2, pv_dev_name(pv), uuid);
+ } else {
+ sprintf(pv_tmp_name, "%s", pv_dev_name(pv));
+ }
+
+ if (is_orphan(pv)) {
+ log_print("PV %-*s %-*s %s [%s]",
+ pv_max_name_len, pv_tmp_name,
+ vg_max_name_len, " ",
+ pv->fmt ? pv->fmt->name : " ",
+ display_size(cmd, pv_size(pv)));
+ return;
+ }
+
+ if (pv_status(pv) & EXPORTED_VG) {
+ strncpy(vg_name_this, pv_vg_name(pv), vg_name_len);
+ log_print("PV %-*s is in exported VG %s "
+ "[%s / %s free]",
+ pv_max_name_len, pv_tmp_name,
+ vg_name_this,
+ display_size(cmd, (uint64_t) pv_pe_count(pv) *
+ pv_pe_size(pv)),
+ display_size(cmd, (uint64_t) (pv_pe_count(pv) -
+ pv_pe_alloc_count(pv))
+ * pv_pe_size(pv)));
+ return;
+ }
+
+ sprintf(vg_tmp_name, "%s", pv_vg_name(pv));
+ log_print("PV %-*s VG %-*s %s [%s / %s free]", pv_max_name_len,
+ pv_tmp_name, vg_max_name_len, vg_tmp_name,
+ pv->fmt ? pv->fmt->name : " ",
+ display_size(cmd, (uint64_t) pv_pe_count(pv) *
+ pv_pe_size(pv)),
+ display_size(cmd, (uint64_t) (pv_pe_count(pv) -
+ pv_pe_alloc_count(pv)) *
+ pv_pe_size(pv)));
+}
+
+static int _pvscan_lvmetad(struct cmd_context *cmd, int argc, char **argv)
+{
+ int ret = ECMD_PROCESSED;
+
+ if (!argc) {
+ log_error("List of Physical Volumes to be cached by the lvmetad daemon required.");
+ return EINVALID_CMD_LINE;
+ }
+
+ if (!lock_vol(cmd, VG_GLOBAL, LCK_VG_READ)) {
+ log_error("Unable to obtain global lock.");
+ return ECMD_FAILED;
+ }
+
+ log_verbose("Using physical volume(s) on command line");
+ while (argc--) {
+ if (!pvscan_lvmetad_single(cmd, *argv++)) {
+ ret = ECMD_FAILED;
+ break;
+ }
+ if (sigint_caught())
+ break;
+ }
+
+ unlock_vg(cmd, VG_GLOBAL);
+
+ return ret;
+}
+
+int pvscan(struct cmd_context *cmd, int argc, char **argv)
{
int new_pvs_found = 0;
int pvs_found = 0;
- char *s1, *s2, *s3;
- struct list *pvs;
- struct list *pvh;
+ struct dm_list *pvslist;
struct pv_list *pvl;
struct physical_volume *pv;
pv_max_name_len = 0;
vg_max_name_len = 0;
- if (arg_count(novolumegroup_ARG) && arg_count(exported_ARG)) {
+ if (arg_count(cmd, cache_ARG))
+ return _pvscan_lvmetad(cmd, argc, argv);
+
+ if (arg_count(cmd, novolumegroup_ARG) && arg_count(cmd, exported_ARG)) {
log_error("Options -e and -n are incompatible");
return EINVALID_CMD_LINE;
}
- if (arg_count(exported_ARG) || arg_count(novolumegroup_ARG))
- log_print("WARNING: only considering physical volumes %s",
- arg_count(exported_ARG) ?
+ if (arg_count(cmd, exported_ARG) || arg_count(cmd, novolumegroup_ARG))
+ log_warn("WARNING: only considering physical volumes %s",
+ arg_count(cmd, exported_ARG) ?
"of exported volume group(s)" : "in no volume group");
- log_verbose("Wiping cache of LVM-capable devices");
- persistent_filter_wipe(ios->filter);
+ if (!lock_vol(cmd, VG_GLOBAL, LCK_VG_WRITE)) {
+ log_error("Unable to obtain global lock.");
+ return ECMD_FAILED;
+ }
+
+ persistent_filter_wipe(cmd->filter);
+ lvmcache_destroy(cmd, 1);
log_verbose("Walking through all physical volumes");
- if (!(pvs = ios->get_pvs(ios)))
+ if (!(pvslist = get_pvs(cmd))) {
+ unlock_vg(cmd, VG_GLOBAL);
+ stack;
return ECMD_FAILED;
+ }
/* eliminate exported/new if required */
- list_iterate(pvh, pvs) {
- pvl = list_item(pvh, struct pv_list);
- pv = &pvl->pv;
+ dm_list_iterate_items(pvl, pvslist) {
+ pv = pvl->pv;
- if ((arg_count(exported_ARG) && !(pv->status & EXPORTED_VG))
- || (arg_count(novolumegroup_ARG) && (*pv->vg_name))) {
- list_del(&pvl->list);
+ if ((arg_count(cmd, exported_ARG)
+ && !(pv_status(pv) & EXPORTED_VG))
+ || (arg_count(cmd, novolumegroup_ARG) && (!is_orphan(pv)))) {
+ dm_list_del(&pvl->list);
continue;
}
/* Also check for MD use? */
/*******
if (MAJOR(pv_create_kdev_t(pv[p]->pv_name)) != MD_MAJOR) {
- log_print
+ log_warn
("WARNING: physical volume \"%s\" belongs to a meta device",
pv[p]->pv_name);
}
********/
pvs_found++;
-
- if (!*pv->vg_name) {
+ if (is_orphan(pv)) {
new_pvs_found++;
- size_new += pv->size;
- size_total += pv->size;
+ size_new += pv_size(pv);
+ size_total += pv_size(pv);
} else
- size_total += (pv->pe_count - pv->pe_allocated)
- * pv->pe_size;
+ size_total += (uint64_t) pv_pe_count(pv) * pv_pe_size(pv);
}
/* find maximum pv name length */
pv_max_name_len = vg_max_name_len = 0;
- list_iterate(pvh, pvs) {
- pv = &list_item(pvh, struct pv_list)->pv;
- len = strlen(dev_name(pv->dev));
+ dm_list_iterate_items(pvl, pvslist) {
+ pv = pvl->pv;
+ len = strlen(pv_dev_name(pv));
if (pv_max_name_len < len)
pv_max_name_len = len;
- len = strlen(pv->vg_name);
+ len = strlen(pv_vg_name(pv));
if (vg_max_name_len < len)
vg_max_name_len = len;
}
pv_max_name_len += 2;
vg_max_name_len += 2;
- list_iterate(pvh, pvs)
- pvscan_display_single(&list_item(pvh, struct pv_list)->pv);
+ dm_list_iterate_items(pvl, pvslist) {
+ _pvscan_display_single(cmd, pvl->pv, NULL);
+ free_pv_fid(pvl->pv);
+ }
if (!pvs_found) {
log_print("No matching physical volumes found");
- return 0;
+ unlock_vg(cmd, VG_GLOBAL);
+ return ECMD_PROCESSED;
}
log_print("Total: %d [%s] / in use: %d [%s] / in no VG: %d [%s]",
pvs_found,
- (s1 = display_size(size_total / 2, SIZE_SHORT)),
+ display_size(cmd, size_total),
pvs_found - new_pvs_found,
- (s2 =
- display_size((size_total - size_new) / 2, SIZE_SHORT)),
- new_pvs_found, (s3 = display_size(size_new / 2, SIZE_SHORT)));
- dbg_free(s1);
- dbg_free(s2);
- dbg_free(s3);
-
- return 0;
-}
-
-void pvscan_display_single(struct physical_volume *pv)
-{
+ display_size(cmd, (size_total - size_new)),
+ new_pvs_found, display_size(cmd, size_new));
- int vg_name_len = 0;
- const char *active_str;
-
- char *s1, *s2;
-
- char pv_tmp_name[NAME_LEN] = { 0, };
- char vg_tmp_name[NAME_LEN] = { 0, };
- char vg_name_this[NAME_LEN] = { 0, };
-
- /* short listing? */
- if (arg_count(short_ARG) > 0) {
- log_print("%s", dev_name(pv->dev));
- return;
- }
-
- if (arg_count(verbose_ARG) > 1) {
- /* FIXME As per pv_display! Drop through for now. */
- /* pv_show(pv); */
-
- log_print("System Id %s", pv->exported);
-
- /* log_print(" "); */
- /* return; */
- }
-
- memset(pv_tmp_name, 0, sizeof (pv_tmp_name));
-
- active_str = (pv->status & ACTIVE) ? "ACTIVE " : "Inactive";
-
- vg_name_len = strlen(pv->vg_name) - sizeof (EXPORTED_TAG) + 1;
-
- if (arg_count(uuid_ARG)) {
- sprintf(pv_tmp_name,
- "%-*s with UUID %s",
- pv_max_name_len - 2,
- dev_name(pv->dev), display_uuid(pv->id.uuid));
- } else {
- sprintf(pv_tmp_name, "%s", dev_name(pv->dev));
- }
-
- if (!*pv->vg_name) {
- log_print("%s PV %-*s is in no VG %-*s [%s]", active_str,
- pv_max_name_len, pv_tmp_name,
- vg_max_name_len - 6, " ",
- (s1 = display_size(pv->size / 2, SIZE_SHORT)));
- dbg_free(s1);
- return;
- }
-
- if (strcmp(&pv->vg_name[vg_name_len], EXPORTED_TAG) == 0) {
- strncpy(vg_name_this, pv->vg_name, vg_name_len);
- log_print("%s PV %-*s is in EXPORTED VG %s [%s / %s free]",
- active_str, pv_max_name_len, pv_tmp_name,
- vg_name_this, (s1 =
- display_size(pv->pe_count *
- pv->pe_size / 2,
- SIZE_SHORT)),
- (s2 = display_size((pv->pe_count - pv->pe_allocated)
- * pv->pe_size / 2, SIZE_SHORT)));
- dbg_free(s1);
- dbg_free(s2);
- return;
- }
+ unlock_vg(cmd, VG_GLOBAL);
- sprintf(vg_tmp_name, "%s", pv->vg_name);
- log_print
- ("%s PV %-*s of VG %-*s [%s / %s free]", active_str, pv_max_name_len,
- pv_tmp_name, vg_max_name_len, vg_tmp_name,
- (s1 = display_size(pv->pe_count * pv->pe_size / 2, SIZE_SHORT)),
- (s2 =
- display_size((pv->pe_count - pv->pe_allocated) * pv->pe_size / 2,
- SIZE_SHORT)));
- dbg_free(s1);
- dbg_free(s2);
-
- return;
+ return ECMD_PROCESSED;
}