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git://sourceware.org/git/lvm2.git
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20483ead5b
Better then using log_suppress in this case.
3481 lines
92 KiB
C
3481 lines
92 KiB
C
/*
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* Copyright (C) 2001-2004 Sistina Software, Inc. All rights reserved.
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* Copyright (C) 2004-2015 Red Hat, Inc. All rights reserved.
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*
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* This file is part of LVM2.
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*
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* This copyrighted material is made available to anyone wishing to use,
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* modify, copy, or redistribute it subject to the terms and conditions
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* of the GNU Lesser General Public License v.2.1.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "tools.h"
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#include <sys/stat.h>
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#include <signal.h>
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#include <sys/wait.h>
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#include <sys/utsname.h>
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struct device_id_list {
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struct dm_list list;
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struct device *dev;
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char pvid[ID_LEN + 1];
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};
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const char *command_name(struct cmd_context *cmd)
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{
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return cmd->command->name;
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}
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static void _sigchld_handler(int sig __attribute__((unused)))
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{
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while (wait4(-1, NULL, WNOHANG | WUNTRACED, NULL) > 0) ;
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}
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/*
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* returns:
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* -1 if the fork failed
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* 0 if the parent
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* 1 if the child
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*/
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int become_daemon(struct cmd_context *cmd, int skip_lvm)
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{
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static const char devnull[] = "/dev/null";
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int null_fd;
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pid_t pid;
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struct sigaction act = {
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{_sigchld_handler},
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.sa_flags = SA_NOCLDSTOP,
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};
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log_verbose("Forking background process: %s", cmd->cmd_line);
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sigaction(SIGCHLD, &act, NULL);
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if (!skip_lvm)
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if (!sync_local_dev_names(cmd)) { /* Flush ops and reset dm cookie */
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log_error("Failed to sync local devices before forking.");
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return -1;
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}
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if ((pid = fork()) == -1) {
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log_error("fork failed: %s", strerror(errno));
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return -1;
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}
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/* Parent */
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if (pid > 0)
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return 0;
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/* Child */
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if (setsid() == -1)
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log_error("Background process failed to setsid: %s",
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strerror(errno));
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/* Set this to avoid discarding output from background process */
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// #define DEBUG_CHILD
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#ifndef DEBUG_CHILD
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if ((null_fd = open(devnull, O_RDWR)) == -1) {
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log_sys_error("open", devnull);
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_exit(ECMD_FAILED);
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}
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if ((dup2(null_fd, STDIN_FILENO) < 0) || /* reopen stdin */
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(dup2(null_fd, STDOUT_FILENO) < 0) || /* reopen stdout */
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(dup2(null_fd, STDERR_FILENO) < 0)) { /* reopen stderr */
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log_sys_error("dup2", "redirect");
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(void) close(null_fd);
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_exit(ECMD_FAILED);
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}
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if (null_fd > STDERR_FILENO)
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(void) close(null_fd);
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init_verbose(VERBOSE_BASE_LEVEL);
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#endif /* DEBUG_CHILD */
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strncpy(*cmd->argv, "(lvm2)", strlen(*cmd->argv));
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lvmetad_disconnect();
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if (!skip_lvm) {
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reset_locking();
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lvmcache_destroy(cmd, 1, 1);
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if (!lvmcache_init())
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/* FIXME Clean up properly here */
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_exit(ECMD_FAILED);
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}
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dev_close_all();
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return 1;
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}
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/*
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* Strip dev_dir if present
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*/
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const char *skip_dev_dir(struct cmd_context *cmd, const char *vg_name,
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unsigned *dev_dir_found)
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{
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size_t devdir_len = strlen(cmd->dev_dir);
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const char *dmdir = dm_dir() + devdir_len;
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size_t dmdir_len = strlen(dmdir), vglv_sz;
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char *vgname, *lvname, *layer, *vglv;
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/* FIXME Do this properly */
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if (*vg_name == '/')
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while (vg_name[1] == '/')
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vg_name++;
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if (strncmp(vg_name, cmd->dev_dir, devdir_len)) {
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if (dev_dir_found)
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*dev_dir_found = 0;
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} else {
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if (dev_dir_found)
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*dev_dir_found = 1;
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vg_name += devdir_len;
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while (*vg_name == '/')
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vg_name++;
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/* Reformat string if /dev/mapper found */
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if (!strncmp(vg_name, dmdir, dmdir_len) && vg_name[dmdir_len] == '/') {
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vg_name += dmdir_len + 1;
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while (*vg_name == '/')
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vg_name++;
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if (!dm_split_lvm_name(cmd->mem, vg_name, &vgname, &lvname, &layer) ||
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*layer) {
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log_error("skip_dev_dir: Couldn't split up device name %s.",
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vg_name);
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return vg_name;
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}
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vglv_sz = strlen(vgname) + strlen(lvname) + 2;
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if (!(vglv = dm_pool_alloc(cmd->mem, vglv_sz)) ||
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dm_snprintf(vglv, vglv_sz, "%s%s%s", vgname,
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*lvname ? "/" : "",
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lvname) < 0) {
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log_error("vg/lv string alloc failed.");
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return vg_name;
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}
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return vglv;
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}
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}
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return vg_name;
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}
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/*
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* Three possible results:
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* a) return 0, skip 0: take the VG, and cmd will end in success
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* b) return 0, skip 1: skip the VG, and cmd will end in success
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* c) return 1, skip *: skip the VG, and cmd will end in failure
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*
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* Case b is the special case, and includes the following:
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* . The VG is inconsistent, and the command allows for inconsistent VGs.
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* . The VG is clustered, the host cannot access clustered VG's,
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* and the command option has been used to ignore clustered vgs.
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*
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* Case c covers the other errors returned when reading the VG.
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* If *skip is 1, it's OK for the caller to read the list of PVs in the VG.
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*/
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static int _ignore_vg(struct volume_group *vg, const char *vg_name,
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struct dm_list *arg_vgnames, uint32_t read_flags,
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int *skip, int *notfound)
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{
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uint32_t read_error = vg_read_error(vg);
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*skip = 0;
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*notfound = 0;
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if ((read_error & FAILED_NOTFOUND) && (read_flags & READ_OK_NOTFOUND)) {
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*notfound = 1;
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return 0;
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}
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if ((read_error & FAILED_INCONSISTENT) && (read_flags & READ_ALLOW_INCONSISTENT))
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read_error &= ~FAILED_INCONSISTENT; /* Check for other errors */
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if ((read_error & FAILED_CLUSTERED) && vg->cmd->ignore_clustered_vgs) {
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read_error &= ~FAILED_CLUSTERED; /* Check for other errors */
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log_verbose("Skipping volume group %s", vg_name);
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*skip = 1;
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}
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/*
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* Commands that operate on "all vgs" shouldn't be bothered by
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* skipping a foreign VG, and the command shouldn't fail when
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* one is skipped. But, if the command explicitly asked to
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* operate on a foreign VG and it's skipped, then the command
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* would expect to fail.
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*/
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if (read_error & FAILED_SYSTEMID) {
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if (arg_vgnames && str_list_match_item(arg_vgnames, vg->name)) {
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log_error("Cannot access VG %s with system ID %s with %slocal system ID%s%s.",
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vg->name, vg->system_id, vg->cmd->system_id ? "" : "unknown ",
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vg->cmd->system_id ? " " : "", vg->cmd->system_id ? vg->cmd->system_id : "");
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return 1;
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} else {
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read_error &= ~FAILED_SYSTEMID; /* Check for other errors */
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log_verbose("Skipping foreign volume group %s", vg_name);
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*skip = 1;
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}
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}
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/*
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* Accessing a lockd VG when lvmlockd is not used is similar
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* to accessing a foreign VG.
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* This is also the point where a command fails if it failed
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* to acquire the necessary lock from lvmlockd.
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* The two cases are distinguished by FAILED_LOCK_TYPE (the
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* VG lock_type requires lvmlockd), and FAILED_LOCK_MODE (the
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* command failed to acquire the necessary lock.)
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*/
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if (read_error & (FAILED_LOCK_TYPE | FAILED_LOCK_MODE)) {
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if (arg_vgnames && str_list_match_item(arg_vgnames, vg->name)) {
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if (read_error & FAILED_LOCK_TYPE)
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log_error("Cannot access VG %s with lock type %s that requires lvmlockd.",
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vg->name, vg->lock_type);
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/* For FAILED_LOCK_MODE, the error is printed in vg_read. */
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return 1;
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} else {
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read_error &= ~FAILED_LOCK_TYPE; /* Check for other errors */
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read_error &= ~FAILED_LOCK_MODE;
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log_verbose("Skipping volume group %s", vg_name);
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*skip = 1;
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}
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}
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if (read_error == FAILED_CLUSTERED) {
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*skip = 1;
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stack; /* Error already logged */
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return 1;
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}
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if (read_error != SUCCESS) {
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*skip = 0;
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log_error("Cannot process volume group %s", vg_name);
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return 1;
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}
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return 0;
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}
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/*
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* This functiona updates the "selected" arg only if last item processed
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* is selected so this implements the "whole structure is selected if
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* at least one of its items is selected".
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*/
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static void _update_selection_result(struct processing_handle *handle, int *selected)
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{
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if (!handle || !handle->selection_handle)
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return;
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if (handle->selection_handle->selected)
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*selected = 1;
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}
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static void _set_final_selection_result(struct processing_handle *handle, int selected)
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{
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if (!handle || !handle->selection_handle)
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return;
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handle->selection_handle->selected = selected;
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}
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/*
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* Metadata iteration functions
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*/
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int process_each_segment_in_pv(struct cmd_context *cmd,
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struct volume_group *vg,
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struct physical_volume *pv,
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struct processing_handle *handle,
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process_single_pvseg_fn_t process_single_pvseg)
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{
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struct pv_segment *pvseg;
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int whole_selected = 0;
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int ret_max = ECMD_PROCESSED;
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int ret;
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struct pv_segment _free_pv_segment = { .pv = pv };
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if (dm_list_empty(&pv->segments)) {
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ret = process_single_pvseg(cmd, NULL, &_free_pv_segment, handle);
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if (ret != ECMD_PROCESSED)
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stack;
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if (ret > ret_max)
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ret_max = ret;
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} else {
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dm_list_iterate_items(pvseg, &pv->segments) {
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if (sigint_caught())
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return_ECMD_FAILED;
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ret = process_single_pvseg(cmd, vg, pvseg, handle);
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_update_selection_result(handle, &whole_selected);
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if (ret != ECMD_PROCESSED)
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stack;
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if (ret > ret_max)
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ret_max = ret;
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}
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}
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/* the PV is selected if at least one PV segment is selected */
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_set_final_selection_result(handle, whole_selected);
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return ret_max;
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}
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int process_each_segment_in_lv(struct cmd_context *cmd,
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struct logical_volume *lv,
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struct processing_handle *handle,
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process_single_seg_fn_t process_single_seg)
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{
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struct lv_segment *seg;
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int whole_selected = 0;
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int ret_max = ECMD_PROCESSED;
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int ret;
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dm_list_iterate_items(seg, &lv->segments) {
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if (sigint_caught())
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return_ECMD_FAILED;
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ret = process_single_seg(cmd, seg, handle);
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_update_selection_result(handle, &whole_selected);
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if (ret != ECMD_PROCESSED)
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stack;
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if (ret > ret_max)
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ret_max = ret;
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}
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/* the LV is selected if at least one LV segment is selected */
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_set_final_selection_result(handle, whole_selected);
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return ret_max;
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}
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static const char *_extract_vgname(struct cmd_context *cmd, const char *lv_name,
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const char **after)
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{
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const char *vg_name = lv_name;
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char *st, *pos;
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/* Strip dev_dir (optional) */
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if (!(vg_name = skip_dev_dir(cmd, vg_name, NULL)))
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return_0;
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/* Require exactly one set of consecutive slashes */
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if ((st = pos = strchr(vg_name, '/')))
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while (*st == '/')
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st++;
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if (!st || strchr(st, '/')) {
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log_error("\"%s\": Invalid path for Logical Volume.",
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lv_name);
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return 0;
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}
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if (!(vg_name = dm_pool_strndup(cmd->mem, vg_name, pos - vg_name))) {
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log_error("Allocation of vg_name failed.");
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return 0;
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}
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if (after)
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*after = st;
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return vg_name;
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}
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/*
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* Extract default volume group name from environment
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*/
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static const char *_default_vgname(struct cmd_context *cmd)
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{
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const char *vg_path;
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/* Take default VG from environment? */
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vg_path = getenv("LVM_VG_NAME");
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if (!vg_path)
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return 0;
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vg_path = skip_dev_dir(cmd, vg_path, NULL);
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|
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if (strchr(vg_path, '/')) {
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log_error("\"%s\": Invalid environment var LVM_VG_NAME set for Volume Group.",
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vg_path);
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return 0;
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}
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return dm_pool_strdup(cmd->mem, vg_path);
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}
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|
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/*
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* Determine volume group name from a logical volume name
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*/
|
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const char *extract_vgname(struct cmd_context *cmd, const char *lv_name)
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{
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const char *vg_name = lv_name;
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|
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/* Path supplied? */
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if (vg_name && strchr(vg_name, '/')) {
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if (!(vg_name = _extract_vgname(cmd, lv_name, NULL)))
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return_NULL;
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return vg_name;
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}
|
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|
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if (!(vg_name = _default_vgname(cmd))) {
|
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if (lv_name)
|
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log_error("Path required for Logical Volume \"%s\".",
|
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lv_name);
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return NULL;
|
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}
|
|
|
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return vg_name;
|
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}
|
|
|
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/*
|
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* Process physical extent range specifiers
|
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*/
|
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static int _add_pe_range(struct dm_pool *mem, const char *pvname,
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struct dm_list *pe_ranges, uint32_t start, uint32_t count)
|
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{
|
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struct pe_range *per;
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|
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log_debug("Adding PE range: start PE %" PRIu32 " length %" PRIu32
|
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" on %s.", start, count, pvname);
|
|
|
|
/* Ensure no overlap with existing areas */
|
|
dm_list_iterate_items(per, pe_ranges) {
|
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if (((start < per->start) && (start + count - 1 >= per->start)) ||
|
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((start >= per->start) &&
|
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(per->start + per->count - 1) >= start)) {
|
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log_error("Overlapping PE ranges specified (%" PRIu32
|
|
"-%" PRIu32 ", %" PRIu32 "-%" PRIu32 ")"
|
|
" on %s.",
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start, start + count - 1, per->start,
|
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per->start + per->count - 1, pvname);
|
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return 0;
|
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}
|
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}
|
|
|
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if (!(per = dm_pool_alloc(mem, sizeof(*per)))) {
|
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log_error("Allocation of list failed.");
|
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return 0;
|
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}
|
|
|
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per->start = start;
|
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per->count = count;
|
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dm_list_add(pe_ranges, &per->list);
|
|
|
|
return 1;
|
|
}
|
|
|
|
static int _xstrtouint32(const char *s, char **p, int base, uint32_t *result)
|
|
{
|
|
unsigned long ul;
|
|
|
|
errno = 0;
|
|
ul = strtoul(s, p, base);
|
|
|
|
if (errno || *p == s || ul > UINT32_MAX)
|
|
return 0;
|
|
|
|
*result = ul;
|
|
|
|
return 1;
|
|
}
|
|
|
|
static int _parse_pes(struct dm_pool *mem, char *c, struct dm_list *pe_ranges,
|
|
const char *pvname, uint32_t size)
|
|
{
|
|
char *endptr;
|
|
uint32_t start, end, len;
|
|
|
|
/* Default to whole PV */
|
|
if (!c) {
|
|
if (!_add_pe_range(mem, pvname, pe_ranges, UINT32_C(0), size))
|
|
return_0;
|
|
return 1;
|
|
}
|
|
|
|
while (*c) {
|
|
if (*c != ':')
|
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goto error;
|
|
|
|
c++;
|
|
|
|
/* Disallow :: and :\0 */
|
|
if (*c == ':' || !*c)
|
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goto error;
|
|
|
|
/* Default to whole range */
|
|
start = UINT32_C(0);
|
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end = size - 1;
|
|
|
|
/* Start extent given? */
|
|
if (isdigit(*c)) {
|
|
if (!_xstrtouint32(c, &endptr, 10, &start))
|
|
goto error;
|
|
c = endptr;
|
|
/* Just one number given? */
|
|
if (!*c || *c == ':')
|
|
end = start;
|
|
}
|
|
/* Range? */
|
|
if (*c == '-') {
|
|
c++;
|
|
if (isdigit(*c)) {
|
|
if (!_xstrtouint32(c, &endptr, 10, &end))
|
|
goto error;
|
|
c = endptr;
|
|
}
|
|
} else if (*c == '+') { /* Length? */
|
|
c++;
|
|
if (isdigit(*c)) {
|
|
if (!_xstrtouint32(c, &endptr, 10, &len))
|
|
goto error;
|
|
c = endptr;
|
|
end = start + (len ? (len - 1) : 0);
|
|
}
|
|
}
|
|
|
|
if (*c && *c != ':')
|
|
goto error;
|
|
|
|
if ((start > end) || (end > size - 1)) {
|
|
log_error("PE range error: start extent %" PRIu32 " to "
|
|
"end extent %" PRIu32 ".", start, end);
|
|
return 0;
|
|
}
|
|
|
|
if (!_add_pe_range(mem, pvname, pe_ranges, start, end - start + 1))
|
|
return_0;
|
|
|
|
}
|
|
|
|
return 1;
|
|
|
|
error:
|
|
log_error("Physical extent parsing error at %s.", c);
|
|
return 0;
|
|
}
|
|
|
|
static int _create_pv_entry(struct dm_pool *mem, struct pv_list *pvl,
|
|
char *colon, int allocatable_only, struct dm_list *r)
|
|
{
|
|
const char *pvname;
|
|
struct pv_list *new_pvl = NULL, *pvl2;
|
|
struct dm_list *pe_ranges;
|
|
|
|
pvname = pv_dev_name(pvl->pv);
|
|
if (allocatable_only && !(pvl->pv->status & ALLOCATABLE_PV)) {
|
|
log_warn("Physical volume %s not allocatable.", pvname);
|
|
return 1;
|
|
}
|
|
|
|
if (allocatable_only && is_missing_pv(pvl->pv)) {
|
|
log_warn("Physical volume %s is missing.", pvname);
|
|
return 1;
|
|
}
|
|
|
|
if (allocatable_only &&
|
|
(pvl->pv->pe_count == pvl->pv->pe_alloc_count)) {
|
|
log_warn("No free extents on physical volume \"%s\".", pvname);
|
|
return 1;
|
|
}
|
|
|
|
dm_list_iterate_items(pvl2, r)
|
|
if (pvl->pv->dev == pvl2->pv->dev) {
|
|
new_pvl = pvl2;
|
|
break;
|
|
}
|
|
|
|
if (!new_pvl) {
|
|
if (!(new_pvl = dm_pool_alloc(mem, sizeof(*new_pvl)))) {
|
|
log_error("Unable to allocate physical volume list.");
|
|
return 0;
|
|
}
|
|
|
|
memcpy(new_pvl, pvl, sizeof(*new_pvl));
|
|
|
|
if (!(pe_ranges = dm_pool_alloc(mem, sizeof(*pe_ranges)))) {
|
|
log_error("Allocation of pe_ranges list failed.");
|
|
return 0;
|
|
}
|
|
dm_list_init(pe_ranges);
|
|
new_pvl->pe_ranges = pe_ranges;
|
|
dm_list_add(r, &new_pvl->list);
|
|
}
|
|
|
|
/* Determine selected physical extents */
|
|
if (!_parse_pes(mem, colon, new_pvl->pe_ranges, pv_dev_name(pvl->pv),
|
|
pvl->pv->pe_count))
|
|
return_0;
|
|
|
|
return 1;
|
|
}
|
|
|
|
struct dm_list *create_pv_list(struct dm_pool *mem, struct volume_group *vg, int argc,
|
|
char **argv, int allocatable_only)
|
|
{
|
|
struct dm_list *r;
|
|
struct pv_list *pvl;
|
|
struct dm_list tagsl, arg_pvnames;
|
|
char *pvname = NULL;
|
|
char *colon, *at_sign, *tagname;
|
|
int i;
|
|
|
|
/* Build up list of PVs */
|
|
if (!(r = dm_pool_alloc(mem, sizeof(*r)))) {
|
|
log_error("Allocation of list failed");
|
|
return NULL;
|
|
}
|
|
dm_list_init(r);
|
|
|
|
dm_list_init(&tagsl);
|
|
dm_list_init(&arg_pvnames);
|
|
|
|
for (i = 0; i < argc; i++) {
|
|
dm_unescape_colons_and_at_signs(argv[i], &colon, &at_sign);
|
|
|
|
if (at_sign && (at_sign == argv[i])) {
|
|
tagname = at_sign + 1;
|
|
if (!validate_tag(tagname)) {
|
|
log_error("Skipping invalid tag %s.", tagname);
|
|
continue;
|
|
}
|
|
dm_list_iterate_items(pvl, &vg->pvs) {
|
|
if (str_list_match_item(&pvl->pv->tags,
|
|
tagname)) {
|
|
if (!_create_pv_entry(mem, pvl, NULL,
|
|
allocatable_only,
|
|
r))
|
|
return_NULL;
|
|
}
|
|
}
|
|
continue;
|
|
}
|
|
|
|
pvname = argv[i];
|
|
|
|
if (colon && !(pvname = dm_pool_strndup(mem, pvname,
|
|
(unsigned) (colon - pvname)))) {
|
|
log_error("Failed to clone PV name.");
|
|
return NULL;
|
|
}
|
|
|
|
if (!(pvl = find_pv_in_vg(vg, pvname))) {
|
|
log_error("Physical Volume \"%s\" not found in "
|
|
"Volume Group \"%s\".", pvname, vg->name);
|
|
return NULL;
|
|
}
|
|
if (!_create_pv_entry(mem, pvl, colon, allocatable_only, r))
|
|
return_NULL;
|
|
}
|
|
|
|
if (dm_list_empty(r))
|
|
log_error("No specified PVs have space available.");
|
|
|
|
return dm_list_empty(r) ? NULL : r;
|
|
}
|
|
|
|
struct dm_list *clone_pv_list(struct dm_pool *mem, struct dm_list *pvsl)
|
|
{
|
|
struct dm_list *r;
|
|
struct pv_list *pvl, *new_pvl;
|
|
|
|
/* Build up list of PVs */
|
|
if (!(r = dm_pool_alloc(mem, sizeof(*r)))) {
|
|
log_error("Allocation of list failed.");
|
|
return NULL;
|
|
}
|
|
dm_list_init(r);
|
|
|
|
dm_list_iterate_items(pvl, pvsl) {
|
|
if (!(new_pvl = dm_pool_zalloc(mem, sizeof(*new_pvl)))) {
|
|
log_error("Unable to allocate physical volume list.");
|
|
return NULL;
|
|
}
|
|
|
|
memcpy(new_pvl, pvl, sizeof(*new_pvl));
|
|
dm_list_add(r, &new_pvl->list);
|
|
}
|
|
|
|
return r;
|
|
}
|
|
|
|
const char _pe_size_may_not_be_negative_msg[] = "Physical extent size may not be negative.";
|
|
|
|
int vgcreate_params_set_defaults(struct cmd_context *cmd,
|
|
struct vgcreate_params *vp_def,
|
|
struct volume_group *vg)
|
|
{
|
|
int64_t extent_size;
|
|
|
|
/* Only vgsplit sets vg */
|
|
if (vg) {
|
|
vp_def->vg_name = NULL;
|
|
vp_def->extent_size = vg->extent_size;
|
|
vp_def->max_pv = vg->max_pv;
|
|
vp_def->max_lv = vg->max_lv;
|
|
vp_def->alloc = vg->alloc;
|
|
vp_def->clustered = vg_is_clustered(vg);
|
|
vp_def->vgmetadatacopies = vg->mda_copies;
|
|
vp_def->system_id = vg->system_id; /* No need to clone this */
|
|
} else {
|
|
vp_def->vg_name = NULL;
|
|
extent_size = find_config_tree_int64(cmd,
|
|
allocation_physical_extent_size_CFG, NULL) * 2;
|
|
if (extent_size < 0) {
|
|
log_error(_pe_size_may_not_be_negative_msg);
|
|
return 0;
|
|
}
|
|
vp_def->extent_size = (uint32_t) extent_size;
|
|
vp_def->max_pv = DEFAULT_MAX_PV;
|
|
vp_def->max_lv = DEFAULT_MAX_LV;
|
|
vp_def->alloc = DEFAULT_ALLOC_POLICY;
|
|
vp_def->clustered = DEFAULT_CLUSTERED;
|
|
vp_def->vgmetadatacopies = DEFAULT_VGMETADATACOPIES;
|
|
vp_def->system_id = cmd->system_id;
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
/*
|
|
* Set members of struct vgcreate_params from cmdline arguments.
|
|
* Do preliminary validation with arg_*() interface.
|
|
* Further, more generic validation is done in validate_vgcreate_params().
|
|
* This function is to remain in tools directory.
|
|
*/
|
|
int vgcreate_params_set_from_args(struct cmd_context *cmd,
|
|
struct vgcreate_params *vp_new,
|
|
struct vgcreate_params *vp_def)
|
|
{
|
|
const char *system_id_arg_str;
|
|
const char *lock_type = NULL;
|
|
int locking_type;
|
|
int use_lvmlockd;
|
|
int use_clvmd;
|
|
lock_type_t lock_type_num;
|
|
|
|
vp_new->vg_name = skip_dev_dir(cmd, vp_def->vg_name, NULL);
|
|
vp_new->max_lv = arg_uint_value(cmd, maxlogicalvolumes_ARG,
|
|
vp_def->max_lv);
|
|
vp_new->max_pv = arg_uint_value(cmd, maxphysicalvolumes_ARG,
|
|
vp_def->max_pv);
|
|
vp_new->alloc = (alloc_policy_t) arg_uint_value(cmd, alloc_ARG, vp_def->alloc);
|
|
|
|
/* Units of 512-byte sectors */
|
|
vp_new->extent_size =
|
|
arg_uint_value(cmd, physicalextentsize_ARG, vp_def->extent_size);
|
|
|
|
if (arg_sign_value(cmd, physicalextentsize_ARG, SIGN_NONE) == SIGN_MINUS) {
|
|
log_error(_pe_size_may_not_be_negative_msg);
|
|
return 0;
|
|
}
|
|
|
|
if (arg_uint64_value(cmd, physicalextentsize_ARG, 0) > MAX_EXTENT_SIZE) {
|
|
log_error("Physical extent size cannot be larger than %s.",
|
|
display_size(cmd, (uint64_t) MAX_EXTENT_SIZE));
|
|
return 0;
|
|
}
|
|
|
|
if (arg_sign_value(cmd, maxlogicalvolumes_ARG, SIGN_NONE) == SIGN_MINUS) {
|
|
log_error("Max Logical Volumes may not be negative.");
|
|
return 0;
|
|
}
|
|
|
|
if (arg_sign_value(cmd, maxphysicalvolumes_ARG, SIGN_NONE) == SIGN_MINUS) {
|
|
log_error("Max Physical Volumes may not be negative.");
|
|
return 0;
|
|
}
|
|
|
|
if (arg_count(cmd, metadatacopies_ARG))
|
|
vp_new->vgmetadatacopies = arg_int_value(cmd, metadatacopies_ARG,
|
|
DEFAULT_VGMETADATACOPIES);
|
|
else if (arg_count(cmd, vgmetadatacopies_ARG))
|
|
vp_new->vgmetadatacopies = arg_int_value(cmd, vgmetadatacopies_ARG,
|
|
DEFAULT_VGMETADATACOPIES);
|
|
else
|
|
vp_new->vgmetadatacopies = find_config_tree_int(cmd, metadata_vgmetadatacopies_CFG, NULL);
|
|
|
|
if (!(system_id_arg_str = arg_str_value(cmd, systemid_ARG, NULL))) {
|
|
vp_new->system_id = vp_def->system_id;
|
|
} else {
|
|
if (!(vp_new->system_id = system_id_from_string(cmd, system_id_arg_str)))
|
|
return_0;
|
|
|
|
/* FIXME Take local/extra_system_ids into account */
|
|
if (vp_new->system_id && cmd->system_id &&
|
|
strcmp(vp_new->system_id, cmd->system_id)) {
|
|
if (*vp_new->system_id)
|
|
log_warn("VG with system ID %s might become inaccessible as local system ID is %s",
|
|
vp_new->system_id, cmd->system_id);
|
|
else
|
|
log_warn("WARNING: A VG without a system ID allows unsafe access from other hosts.");
|
|
}
|
|
}
|
|
|
|
if ((system_id_arg_str = arg_str_value(cmd, systemid_ARG, NULL))) {
|
|
vp_new->system_id = system_id_from_string(cmd, system_id_arg_str);
|
|
} else {
|
|
vp_new->system_id = vp_def->system_id;
|
|
}
|
|
|
|
if (system_id_arg_str) {
|
|
if (!vp_new->system_id || !vp_new->system_id[0])
|
|
log_warn("WARNING: A VG without a system ID allows unsafe access from other hosts.");
|
|
|
|
if (vp_new->system_id && cmd->system_id &&
|
|
strcmp(vp_new->system_id, cmd->system_id)) {
|
|
log_warn("VG with system ID %s might become inaccessible as local system ID is %s",
|
|
vp_new->system_id, cmd->system_id);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Locking: what kind of locking should be used for the
|
|
* new VG, and is it compatible with current lvm.conf settings.
|
|
*
|
|
* The end result is to set vp_new->lock_type to:
|
|
* none | clvm | dlm | sanlock.
|
|
*
|
|
* If 'vgcreate --lock-type <arg>' is set, the answer is given
|
|
* directly by <arg> which is one of none|clvm|dlm|sanlock.
|
|
*
|
|
* 'vgcreate --clustered y' is the way to create clvm VGs.
|
|
*
|
|
* 'vgcreate --shared' is the way to create lockd VGs.
|
|
* lock_type of sanlock or dlm is selected based on
|
|
* which lock manager is running.
|
|
*
|
|
*
|
|
* 1. Using neither clvmd nor lvmlockd.
|
|
* ------------------------------------------------
|
|
* lvm.conf:
|
|
* global/use_lvmlockd = 0
|
|
* global/locking_type = 1
|
|
*
|
|
* - no locking is enabled
|
|
* - clvmd is not used
|
|
* - lvmlockd is not used
|
|
* - VGs with CLUSTERED set are ignored (requires clvmd)
|
|
* - VGs with lockd type are ignored (requires lvmlockd)
|
|
* - vgcreate can create new VGs with lock_type none
|
|
* - 'vgcreate --clustered y' fails
|
|
* - 'vgcreate --shared' fails
|
|
* - 'vgcreate' (neither option) creates a local VG
|
|
*
|
|
* 2. Using clvmd.
|
|
* ------------------------------------------------
|
|
* lvm.conf:
|
|
* global/use_lvmlockd = 0
|
|
* global/locking_type = 3
|
|
*
|
|
* - locking through clvmd is enabled (traditional clvm config)
|
|
* - clvmd is used
|
|
* - lvmlockd is not used
|
|
* - VGs with CLUSTERED set can be used
|
|
* - VGs with lockd type are ignored (requires lvmlockd)
|
|
* - vgcreate can create new VGs with CLUSTERED status flag
|
|
* - 'vgcreate --clustered y' works
|
|
* - 'vgcreate --shared' fails
|
|
* - 'vgcreate' (neither option) creates a clvm VG
|
|
*
|
|
* 3. Using lvmlockd.
|
|
* ------------------------------------------------
|
|
* lvm.conf:
|
|
* global/use_lvmlockd = 1
|
|
* global/locking_type = 1
|
|
*
|
|
* - locking through lvmlockd is enabled
|
|
* - clvmd is not used
|
|
* - lvmlockd is used
|
|
* - VGs with CLUSTERED set are ignored (requires clvmd)
|
|
* - VGs with lockd type can be used
|
|
* - vgcreate can create new VGs with lock_type sanlock or dlm
|
|
* - 'vgcreate --clustered y' fails
|
|
* - 'vgcreate --shared' works
|
|
* - 'vgcreate' (neither option) creates a local VG
|
|
*/
|
|
|
|
locking_type = find_config_tree_int(cmd, global_locking_type_CFG, NULL);
|
|
use_lvmlockd = find_config_tree_bool(cmd, global_use_lvmlockd_CFG, NULL);
|
|
use_clvmd = (locking_type == 3);
|
|
|
|
if (arg_is_set(cmd, locktype_ARG)) {
|
|
if (arg_is_set(cmd, clustered_ARG)) {
|
|
log_error("A lock type cannot be specified with --clustered.");
|
|
return 0;
|
|
}
|
|
|
|
lock_type = arg_str_value(cmd, locktype_ARG, "");
|
|
|
|
if (arg_is_set(cmd, shared_ARG) && !is_lockd_type(lock_type)) {
|
|
log_error("The --shared option requires lock type sanlock or dlm.");
|
|
return 0;
|
|
}
|
|
|
|
} else if (arg_is_set(cmd, clustered_ARG)) {
|
|
const char *arg_str = arg_str_value(cmd, clustered_ARG, "");
|
|
int clustery = strcmp(arg_str, "y") ? 0 : 1;
|
|
|
|
if (use_clvmd) {
|
|
lock_type = clustery ? "clvm" : "none";
|
|
|
|
} else if (use_lvmlockd) {
|
|
log_error("lvmlockd is configured, use --shared with lvmlockd, and --clustered with clvmd.");
|
|
return 0;
|
|
|
|
} else {
|
|
if (clustery) {
|
|
log_error("The --clustered option requires clvmd (locking_type=3).");
|
|
return 0;
|
|
} else {
|
|
lock_type = "none";
|
|
}
|
|
}
|
|
|
|
} else if (arg_is_set(cmd, shared_ARG)) {
|
|
int found_multiple = 0;
|
|
|
|
if (use_lvmlockd) {
|
|
if (!(lock_type = lockd_running_lock_type(cmd, &found_multiple))) {
|
|
if (found_multiple)
|
|
log_error("Found multiple lock managers, select one with --lock-type.");
|
|
else
|
|
log_error("Failed to detect a running lock manager to select lock type.");
|
|
return 0;
|
|
}
|
|
|
|
} else if (use_clvmd) {
|
|
log_error("Use --shared with lvmlockd, and --clustered with clvmd.");
|
|
return 0;
|
|
|
|
} else {
|
|
log_error("Using a shared lock type requires lvmlockd.");
|
|
return 0;
|
|
}
|
|
|
|
} else {
|
|
if (use_clvmd)
|
|
lock_type = locking_is_clustered() ? "clvm" : "none";
|
|
else
|
|
lock_type = "none";
|
|
}
|
|
|
|
/*
|
|
* Check that the lock_type is recognized, and is being
|
|
* used with the correct lvm.conf settings.
|
|
*/
|
|
lock_type_num = get_lock_type_from_string(lock_type);
|
|
|
|
switch (lock_type_num) {
|
|
case LOCK_TYPE_INVALID:
|
|
log_error("lock_type %s is invalid", lock_type);
|
|
return 0;
|
|
|
|
case LOCK_TYPE_SANLOCK:
|
|
case LOCK_TYPE_DLM:
|
|
if (!use_lvmlockd) {
|
|
log_error("Using a shared lock type requires lvmlockd.");
|
|
return 0;
|
|
}
|
|
break;
|
|
case LOCK_TYPE_CLVM:
|
|
if (!use_clvmd) {
|
|
log_error("Using clvm requires locking_type 3.");
|
|
return 0;
|
|
}
|
|
break;
|
|
case LOCK_TYPE_NONE:
|
|
break;
|
|
};
|
|
|
|
/*
|
|
* The vg is not owned by one host/system_id.
|
|
* Locking coordinates access from multiple hosts.
|
|
*/
|
|
if (lock_type_num == LOCK_TYPE_DLM || lock_type_num == LOCK_TYPE_SANLOCK || lock_type_num == LOCK_TYPE_CLVM)
|
|
vp_new->system_id = NULL;
|
|
|
|
vp_new->lock_type = lock_type;
|
|
|
|
if (lock_type_num == LOCK_TYPE_CLVM)
|
|
vp_new->clustered = 1;
|
|
else
|
|
vp_new->clustered = 0;
|
|
|
|
log_debug("Setting lock_type to %s", vp_new->lock_type);
|
|
return 1;
|
|
}
|
|
|
|
/* Shared code for changing activation state for vgchange/lvchange */
|
|
int lv_change_activate(struct cmd_context *cmd, struct logical_volume *lv,
|
|
activation_change_t activate)
|
|
{
|
|
int r = 1;
|
|
|
|
if (lv_is_cache_pool(lv)) {
|
|
if (is_change_activating(activate)) {
|
|
log_verbose("Skipping activation of cache pool %s.",
|
|
display_lvname(lv));
|
|
return 1;
|
|
}
|
|
if (!dm_list_empty(&lv->segs_using_this_lv)) {
|
|
log_verbose("Skipping deactivation of used cache pool %s.",
|
|
display_lvname(lv));
|
|
return 1;
|
|
}
|
|
/*
|
|
* Allow to pass only deactivation of unused cache pool.
|
|
* Useful only for recovery of failed zeroing of metadata LV.
|
|
*/
|
|
}
|
|
|
|
if (lv_is_merging_origin(lv)) {
|
|
/*
|
|
* For merging origin, its snapshot must be inactive.
|
|
* If it's still active and cannot be deactivated
|
|
* activation or deactivation of origin fails!
|
|
*
|
|
* When origin is deactivated and merging snapshot is thin
|
|
* it allows to deactivate origin, but still report error,
|
|
* since the thin snapshot remains active.
|
|
*
|
|
* User could retry to deactivate it with another
|
|
* deactivation of origin, which is the only visible LV
|
|
*/
|
|
if (!deactivate_lv(cmd, find_snapshot(lv)->lv)) {
|
|
if (is_change_activating(activate)) {
|
|
log_error("Refusing to activate merging \"%s\" while snapshot \"%s\" is still active.",
|
|
lv->name, find_snapshot(lv)->lv->name);
|
|
return 0;
|
|
}
|
|
|
|
log_error("Cannot fully deactivate merging origin \"%s\" while snapshot \"%s\" is still active.",
|
|
lv->name, find_snapshot(lv)->lv->name);
|
|
r = 0; /* and continue to deactivate origin... */
|
|
}
|
|
}
|
|
|
|
if (!lv_active_change(cmd, lv, activate, 0))
|
|
return_0;
|
|
|
|
return r;
|
|
}
|
|
|
|
int lv_refresh(struct cmd_context *cmd, struct logical_volume *lv)
|
|
{
|
|
if (!lv_refresh_suspend_resume(cmd, lv))
|
|
return_0;
|
|
|
|
/*
|
|
* check if snapshot merge should be polled
|
|
* - unfortunately: even though the dev_manager will clear
|
|
* the lv's merge attributes if a merge is not possible;
|
|
* it is clearing a different instance of the lv (as
|
|
* retrieved with lv_from_lvid)
|
|
* - fortunately: polldaemon will immediately shutdown if the
|
|
* origin doesn't have a status with a snapshot percentage
|
|
*/
|
|
if (background_polling() && lv_is_merging_origin(lv) && lv_is_active_locally(lv))
|
|
lv_spawn_background_polling(cmd, lv);
|
|
|
|
return 1;
|
|
}
|
|
|
|
int vg_refresh_visible(struct cmd_context *cmd, struct volume_group *vg)
|
|
{
|
|
struct lv_list *lvl;
|
|
int r = 1;
|
|
|
|
sigint_allow();
|
|
dm_list_iterate_items(lvl, &vg->lvs) {
|
|
if (sigint_caught()) {
|
|
r = 0;
|
|
stack;
|
|
break;
|
|
}
|
|
|
|
if (lv_is_visible(lvl->lv) && !lv_refresh(cmd, lvl->lv)) {
|
|
r = 0;
|
|
stack;
|
|
}
|
|
}
|
|
|
|
sigint_restore();
|
|
|
|
return r;
|
|
}
|
|
|
|
void lv_spawn_background_polling(struct cmd_context *cmd,
|
|
struct logical_volume *lv)
|
|
{
|
|
const char *pvname;
|
|
const struct logical_volume *lv_mirr = NULL;
|
|
|
|
if (lv_is_pvmove(lv))
|
|
lv_mirr = lv;
|
|
else if (lv_is_locked(lv))
|
|
lv_mirr = find_pvmove_lv_in_lv(lv);
|
|
|
|
if (lv_mirr &&
|
|
(pvname = get_pvmove_pvname_from_lv_mirr(lv_mirr))) {
|
|
log_verbose("Spawning background pvmove process for %s.",
|
|
pvname);
|
|
pvmove_poll(cmd, pvname, lv_mirr->lvid.s, lv_mirr->vg->name, lv_mirr->name, 1);
|
|
}
|
|
|
|
if (lv_is_converting(lv) || lv_is_merging(lv)) {
|
|
log_verbose("Spawning background lvconvert process for %s.",
|
|
lv->name);
|
|
lvconvert_poll(cmd, lv, 1);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Intial sanity checking of non-recovery related command-line arguments.
|
|
*
|
|
* Output arguments:
|
|
* pp: structure allocated by caller, fields written / validated here
|
|
*/
|
|
int pvcreate_params_validate(struct cmd_context *cmd, int argc,
|
|
struct pvcreate_params *pp)
|
|
{
|
|
if (!argc) {
|
|
log_error("Please enter a physical volume path.");
|
|
return 0;
|
|
}
|
|
|
|
pp->yes = arg_count(cmd, yes_ARG);
|
|
pp->force = (force_t) arg_count(cmd, force_ARG);
|
|
|
|
if (arg_int_value(cmd, labelsector_ARG, 0) >= LABEL_SCAN_SECTORS) {
|
|
log_error("labelsector must be less than %lu.",
|
|
LABEL_SCAN_SECTORS);
|
|
return 0;
|
|
} else {
|
|
pp->labelsector = arg_int64_value(cmd, labelsector_ARG,
|
|
DEFAULT_LABELSECTOR);
|
|
}
|
|
|
|
if (!(cmd->fmt->features & FMT_MDAS) &&
|
|
(arg_count(cmd, pvmetadatacopies_ARG) ||
|
|
arg_count(cmd, metadatasize_ARG) ||
|
|
arg_count(cmd, dataalignment_ARG) ||
|
|
arg_count(cmd, dataalignmentoffset_ARG))) {
|
|
log_error("Metadata and data alignment parameters only "
|
|
"apply to text format.");
|
|
return 0;
|
|
}
|
|
|
|
if (!(cmd->fmt->features & FMT_BAS) &&
|
|
arg_count(cmd, bootloaderareasize_ARG)) {
|
|
log_error("Bootloader area parameters only "
|
|
"apply to text format.");
|
|
return 0;
|
|
}
|
|
|
|
if (arg_count(cmd, metadataignore_ARG))
|
|
pp->metadataignore = arg_int_value(cmd, metadataignore_ARG,
|
|
DEFAULT_PVMETADATAIGNORE);
|
|
else
|
|
pp->metadataignore = find_config_tree_bool(cmd, metadata_pvmetadataignore_CFG, NULL);
|
|
|
|
if (arg_count(cmd, pvmetadatacopies_ARG) &&
|
|
!arg_int_value(cmd, pvmetadatacopies_ARG, -1) &&
|
|
pp->metadataignore) {
|
|
log_error("metadataignore only applies to metadatacopies > 0");
|
|
return 0;
|
|
}
|
|
|
|
pp->zero = arg_int_value(cmd, zero_ARG, 1);
|
|
|
|
if (arg_sign_value(cmd, dataalignment_ARG, SIGN_NONE) == SIGN_MINUS) {
|
|
log_error("Physical volume data alignment may not be negative.");
|
|
return 0;
|
|
}
|
|
pp->data_alignment = arg_uint64_value(cmd, dataalignment_ARG, UINT64_C(0));
|
|
|
|
if (pp->data_alignment > UINT32_MAX) {
|
|
log_error("Physical volume data alignment is too big.");
|
|
return 0;
|
|
}
|
|
|
|
if (arg_sign_value(cmd, dataalignmentoffset_ARG, SIGN_NONE) == SIGN_MINUS) {
|
|
log_error("Physical volume data alignment offset may not be negative");
|
|
return 0;
|
|
}
|
|
pp->data_alignment_offset = arg_uint64_value(cmd, dataalignmentoffset_ARG, UINT64_C(0));
|
|
|
|
if (pp->data_alignment_offset > UINT32_MAX) {
|
|
log_error("Physical volume data alignment offset is too big.");
|
|
return 0;
|
|
}
|
|
|
|
if ((pp->data_alignment + pp->data_alignment_offset) &&
|
|
(pp->rp.pe_start != PV_PE_START_CALC)) {
|
|
if ((pp->data_alignment ? pp->rp.pe_start % pp->data_alignment : pp->rp.pe_start) != pp->data_alignment_offset) {
|
|
log_warn("WARNING: Ignoring data alignment %s"
|
|
" incompatible with restored pe_start value %s)",
|
|
display_size(cmd, pp->data_alignment + pp->data_alignment_offset),
|
|
display_size(cmd, pp->rp.pe_start));
|
|
pp->data_alignment = 0;
|
|
pp->data_alignment_offset = 0;
|
|
}
|
|
}
|
|
|
|
if (arg_sign_value(cmd, metadatasize_ARG, SIGN_NONE) == SIGN_MINUS) {
|
|
log_error("Metadata size may not be negative.");
|
|
return 0;
|
|
}
|
|
|
|
if (arg_sign_value(cmd, bootloaderareasize_ARG, SIGN_NONE) == SIGN_MINUS) {
|
|
log_error("Bootloader area size may not be negative.");
|
|
return 0;
|
|
}
|
|
|
|
pp->pvmetadatasize = arg_uint64_value(cmd, metadatasize_ARG, UINT64_C(0));
|
|
if (!pp->pvmetadatasize)
|
|
pp->pvmetadatasize = find_config_tree_int(cmd, metadata_pvmetadatasize_CFG, NULL);
|
|
|
|
pp->pvmetadatacopies = arg_int_value(cmd, pvmetadatacopies_ARG, -1);
|
|
if (pp->pvmetadatacopies < 0)
|
|
pp->pvmetadatacopies = find_config_tree_int(cmd, metadata_pvmetadatacopies_CFG, NULL);
|
|
|
|
pp->rp.ba_size = arg_uint64_value(cmd, bootloaderareasize_ARG, pp->rp.ba_size);
|
|
|
|
return 1;
|
|
}
|
|
|
|
int get_activation_monitoring_mode(struct cmd_context *cmd,
|
|
int *monitoring_mode)
|
|
{
|
|
*monitoring_mode = DEFAULT_DMEVENTD_MONITOR;
|
|
|
|
if (arg_count(cmd, monitor_ARG) &&
|
|
(arg_count(cmd, ignoremonitoring_ARG) ||
|
|
arg_count(cmd, sysinit_ARG))) {
|
|
log_error("--ignoremonitoring or --sysinit option not allowed with --monitor option.");
|
|
return 0;
|
|
}
|
|
|
|
if (arg_count(cmd, monitor_ARG))
|
|
*monitoring_mode = arg_int_value(cmd, monitor_ARG,
|
|
DEFAULT_DMEVENTD_MONITOR);
|
|
else if (is_static() || arg_count(cmd, ignoremonitoring_ARG) ||
|
|
arg_count(cmd, sysinit_ARG) ||
|
|
!find_config_tree_bool(cmd, activation_monitoring_CFG, NULL))
|
|
*monitoring_mode = DMEVENTD_MONITOR_IGNORE;
|
|
|
|
return 1;
|
|
}
|
|
|
|
/*
|
|
* Read pool options from cmdline
|
|
*/
|
|
int get_pool_params(struct cmd_context *cmd,
|
|
const struct segment_type *segtype,
|
|
int *passed_args,
|
|
uint64_t *pool_metadata_size,
|
|
int *pool_metadata_spare,
|
|
uint32_t *chunk_size,
|
|
thin_discards_t *discards,
|
|
int *zero)
|
|
{
|
|
*passed_args = 0;
|
|
|
|
if (segtype_is_thin_pool(segtype) || segtype_is_thin(segtype)) {
|
|
if (arg_is_set(cmd, zero_ARG)) {
|
|
*passed_args |= PASS_ARG_ZERO;
|
|
*zero = arg_int_value(cmd, zero_ARG, 1);
|
|
log_very_verbose("%s pool zeroing.", *zero ? "Enabling" : "Disabling");
|
|
}
|
|
if (arg_is_set(cmd, discards_ARG)) {
|
|
*passed_args |= PASS_ARG_DISCARDS;
|
|
*discards = (thin_discards_t) arg_uint_value(cmd, discards_ARG, 0);
|
|
log_very_verbose("Setting pool discards to %s.",
|
|
get_pool_discards_name(*discards));
|
|
}
|
|
}
|
|
|
|
if (arg_from_list_is_negative(cmd, "may not be negative",
|
|
chunksize_ARG,
|
|
pooldatasize_ARG,
|
|
poolmetadatasize_ARG,
|
|
-1))
|
|
return_0;
|
|
|
|
if (arg_from_list_is_zero(cmd, "may not be zero",
|
|
chunksize_ARG,
|
|
pooldatasize_ARG,
|
|
poolmetadatasize_ARG,
|
|
-1))
|
|
return_0;
|
|
|
|
if (arg_is_set(cmd, chunksize_ARG)) {
|
|
*passed_args |= PASS_ARG_CHUNK_SIZE;
|
|
*chunk_size = arg_uint_value(cmd, chunksize_ARG, 0);
|
|
|
|
if (!validate_pool_chunk_size(cmd, segtype, *chunk_size))
|
|
return_0;
|
|
|
|
log_very_verbose("Setting pool chunk size to %s.",
|
|
display_size(cmd, *chunk_size));
|
|
}
|
|
|
|
if (arg_count(cmd, poolmetadatasize_ARG)) {
|
|
if (arg_sign_value(cmd, poolmetadatasize_ARG, SIGN_NONE) == SIGN_MINUS) {
|
|
log_error("Negative pool metadata size is invalid.");
|
|
return 0;
|
|
}
|
|
|
|
if (arg_count(cmd, poolmetadata_ARG)) {
|
|
log_error("Please specify either metadata logical volume or its size.");
|
|
return 0;
|
|
}
|
|
|
|
*passed_args |= PASS_ARG_POOL_METADATA_SIZE;
|
|
*pool_metadata_size = arg_uint64_value(cmd, poolmetadatasize_ARG,
|
|
UINT64_C(0));
|
|
} else if (arg_count(cmd, poolmetadata_ARG))
|
|
*passed_args |= PASS_ARG_POOL_METADATA_SIZE; /* fixed size */
|
|
|
|
/* TODO: default in lvm.conf ? */
|
|
*pool_metadata_spare = arg_int_value(cmd, poolmetadataspare_ARG,
|
|
DEFAULT_POOL_METADATA_SPARE);
|
|
|
|
return 1;
|
|
}
|
|
|
|
/*
|
|
* Generic stripe parameter checks.
|
|
*/
|
|
static int _validate_stripe_params(struct cmd_context *cmd, uint32_t *stripes,
|
|
uint32_t *stripe_size)
|
|
{
|
|
if (*stripes == 1 && *stripe_size) {
|
|
log_print_unless_silent("Ignoring stripesize argument with single stripe.");
|
|
*stripe_size = 0;
|
|
}
|
|
|
|
if (*stripes > 1 && !*stripe_size) {
|
|
*stripe_size = find_config_tree_int(cmd, metadata_stripesize_CFG, NULL) * 2;
|
|
log_print_unless_silent("Using default stripesize %s.",
|
|
display_size(cmd, (uint64_t) *stripe_size));
|
|
}
|
|
|
|
if (*stripes < 1 || *stripes > MAX_STRIPES) {
|
|
log_error("Number of stripes (%d) must be between %d and %d.",
|
|
*stripes, 1, MAX_STRIPES);
|
|
return 0;
|
|
}
|
|
|
|
if (*stripes > 1 && (*stripe_size < STRIPE_SIZE_MIN ||
|
|
*stripe_size & (*stripe_size - 1))) {
|
|
log_error("Invalid stripe size %s.",
|
|
display_size(cmd, (uint64_t) *stripe_size));
|
|
return 0;
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
/*
|
|
* The stripe size is limited by the size of a uint32_t, but since the
|
|
* value given by the user is doubled, and the final result must be a
|
|
* power of 2, we must divide UINT_MAX by four and add 1 (to round it
|
|
* up to the power of 2)
|
|
*/
|
|
int get_stripe_params(struct cmd_context *cmd, uint32_t *stripes, uint32_t *stripe_size)
|
|
{
|
|
/* stripes_long_ARG takes precedence (for lvconvert) */
|
|
*stripes = arg_uint_value(cmd, arg_count(cmd, stripes_long_ARG) ? stripes_long_ARG : stripes_ARG, 1);
|
|
|
|
*stripe_size = arg_uint_value(cmd, stripesize_ARG, 0);
|
|
if (*stripe_size) {
|
|
if (arg_sign_value(cmd, stripesize_ARG, SIGN_NONE) == SIGN_MINUS) {
|
|
log_error("Negative stripesize is invalid.");
|
|
return 0;
|
|
}
|
|
|
|
if (arg_uint64_value(cmd, stripesize_ARG, 0) > STRIPE_SIZE_LIMIT * 2) {
|
|
log_error("Stripe size cannot be larger than %s.",
|
|
display_size(cmd, (uint64_t) STRIPE_SIZE_LIMIT));
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
return _validate_stripe_params(cmd, stripes, stripe_size);
|
|
}
|
|
|
|
static int _validate_cachepool_params(const char *name,
|
|
const struct dm_config_tree *settings)
|
|
{
|
|
return 1;
|
|
}
|
|
|
|
int get_cache_params(struct cmd_context *cmd,
|
|
const char **mode,
|
|
const char **name,
|
|
struct dm_config_tree **settings)
|
|
{
|
|
const char *str;
|
|
struct arg_value_group_list *group;
|
|
struct dm_config_tree *result = NULL, *prev = NULL, *current = NULL;
|
|
struct dm_config_node *cn;
|
|
int ok = 0;
|
|
|
|
if (mode)
|
|
*mode = arg_str_value(cmd, cachemode_ARG, NULL);
|
|
|
|
if (name)
|
|
*name = arg_str_value(cmd, cachepolicy_ARG, NULL);
|
|
|
|
if (!settings)
|
|
return 1;
|
|
|
|
dm_list_iterate_items(group, &cmd->arg_value_groups) {
|
|
if (!grouped_arg_is_set(group->arg_values, cachesettings_ARG))
|
|
continue;
|
|
|
|
if (!(current = dm_config_create()))
|
|
goto_out;
|
|
if (prev)
|
|
current->cascade = prev;
|
|
prev = current;
|
|
|
|
if (!(str = grouped_arg_str_value(group->arg_values,
|
|
cachesettings_ARG,
|
|
NULL)))
|
|
goto_out;
|
|
|
|
if (!dm_config_parse(current, str, str + strlen(str)))
|
|
goto_out;
|
|
}
|
|
|
|
if (!current)
|
|
return 1;
|
|
|
|
if (!(result = dm_config_flatten(current)))
|
|
goto_out;
|
|
|
|
if (result->root) {
|
|
if (!(cn = dm_config_create_node(result, "policy_settings")))
|
|
goto_out;
|
|
|
|
cn->child = result->root;
|
|
result->root = cn;
|
|
}
|
|
|
|
if (!_validate_cachepool_params(*name, result))
|
|
goto_out;
|
|
|
|
ok = 1;
|
|
out:
|
|
if (!ok && result) {
|
|
dm_config_destroy(result);
|
|
result = NULL;
|
|
}
|
|
while (prev) {
|
|
current = prev->cascade;
|
|
dm_config_destroy(prev);
|
|
prev = current;
|
|
}
|
|
|
|
*settings = result;
|
|
|
|
return ok;
|
|
}
|
|
|
|
/* FIXME move to lib */
|
|
static int _pv_change_tag(struct physical_volume *pv, const char *tag, int addtag)
|
|
{
|
|
if (addtag) {
|
|
if (!str_list_add(pv->fmt->cmd->mem, &pv->tags, tag)) {
|
|
log_error("Failed to add tag %s to physical volume %s.",
|
|
tag, pv_dev_name(pv));
|
|
return 0;
|
|
}
|
|
} else
|
|
str_list_del(&pv->tags, tag);
|
|
|
|
return 1;
|
|
}
|
|
|
|
/* Set exactly one of VG, LV or PV */
|
|
int change_tag(struct cmd_context *cmd, struct volume_group *vg,
|
|
struct logical_volume *lv, struct physical_volume *pv, int arg)
|
|
{
|
|
const char *tag;
|
|
struct arg_value_group_list *current_group;
|
|
|
|
dm_list_iterate_items(current_group, &cmd->arg_value_groups) {
|
|
if (!grouped_arg_is_set(current_group->arg_values, arg))
|
|
continue;
|
|
|
|
if (!(tag = grouped_arg_str_value(current_group->arg_values, arg, NULL))) {
|
|
log_error("Failed to get tag.");
|
|
return 0;
|
|
}
|
|
|
|
if (vg && !vg_change_tag(vg, tag, arg == addtag_ARG))
|
|
return_0;
|
|
else if (lv && !lv_change_tag(lv, tag, arg == addtag_ARG))
|
|
return_0;
|
|
else if (pv && !_pv_change_tag(pv, tag, arg == addtag_ARG))
|
|
return_0;
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
int process_each_label(struct cmd_context *cmd, int argc, char **argv,
|
|
struct processing_handle *handle,
|
|
process_single_label_fn_t process_single_label)
|
|
{
|
|
struct label *label;
|
|
struct dev_iter *iter;
|
|
struct device *dev;
|
|
|
|
int ret_max = ECMD_PROCESSED;
|
|
int ret;
|
|
int opt = 0;
|
|
|
|
if (argc) {
|
|
for (; opt < argc; opt++) {
|
|
if (!(dev = dev_cache_get(argv[opt], cmd->full_filter))) {
|
|
log_error("Failed to find device "
|
|
"\"%s\".", argv[opt]);
|
|
ret_max = ECMD_FAILED;
|
|
continue;
|
|
}
|
|
|
|
if (!label_read(dev, &label, 0)) {
|
|
log_error("No physical volume label read from %s.",
|
|
argv[opt]);
|
|
ret_max = ECMD_FAILED;
|
|
continue;
|
|
}
|
|
|
|
ret = process_single_label(cmd, label, handle);
|
|
|
|
if (ret > ret_max)
|
|
ret_max = ret;
|
|
|
|
if (sigint_caught())
|
|
break;
|
|
}
|
|
|
|
return ret_max;
|
|
}
|
|
|
|
if (!(iter = dev_iter_create(cmd->full_filter, 1))) {
|
|
log_error("dev_iter creation failed.");
|
|
return ECMD_FAILED;
|
|
}
|
|
|
|
while ((dev = dev_iter_get(iter)))
|
|
{
|
|
if (!label_read(dev, &label, 0))
|
|
continue;
|
|
|
|
ret = process_single_label(cmd, label, handle);
|
|
|
|
if (ret > ret_max)
|
|
ret_max = ret;
|
|
|
|
if (sigint_caught())
|
|
break;
|
|
}
|
|
|
|
dev_iter_destroy(iter);
|
|
|
|
return ret_max;
|
|
}
|
|
|
|
/*
|
|
* Parse persistent major minor parameters.
|
|
*
|
|
* --persistent is unspecified => state is deduced
|
|
* from presence of options --minor or --major.
|
|
*
|
|
* -Mn => --minor or --major not allowed.
|
|
*
|
|
* -My => --minor is required (and also --major on <=2.4)
|
|
*/
|
|
int get_and_validate_major_minor(const struct cmd_context *cmd,
|
|
const struct format_type *fmt,
|
|
int32_t *major, int32_t *minor)
|
|
{
|
|
if (arg_count(cmd, minor_ARG) > 1) {
|
|
log_error("Option --minor may not be repeated.");
|
|
return 0;
|
|
}
|
|
|
|
if (arg_count(cmd, major_ARG) > 1) {
|
|
log_error("Option -j|--major may not be repeated.");
|
|
return 0;
|
|
}
|
|
|
|
/* Check with default 'y' */
|
|
if (!arg_int_value(cmd, persistent_ARG, 1)) { /* -Mn */
|
|
if (arg_is_set(cmd, minor_ARG) || arg_is_set(cmd, major_ARG)) {
|
|
log_error("Options --major and --minor are incompatible with -Mn.");
|
|
return 0;
|
|
}
|
|
*major = *minor = -1;
|
|
return 1;
|
|
}
|
|
|
|
/* -1 cannot be entered as an argument for --major, --minor */
|
|
*major = arg_int_value(cmd, major_ARG, -1);
|
|
*minor = arg_int_value(cmd, minor_ARG, -1);
|
|
|
|
if (arg_is_set(cmd, persistent_ARG)) { /* -My */
|
|
if (*minor == -1) {
|
|
log_error("Please specify minor number with --minor when using -My.");
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
if (!strncmp(cmd->kernel_vsn, "2.4.", 4)) {
|
|
/* Major is required for 2.4 */
|
|
if (arg_is_set(cmd, persistent_ARG) && *major < 0) {
|
|
log_error("Please specify major number with --major when using -My.");
|
|
return 0;
|
|
}
|
|
} else {
|
|
if (*major != -1) {
|
|
log_warn("WARNING: Ignoring supplied major number %d - "
|
|
"kernel assigns major numbers dynamically. "
|
|
"Using major number %d instead.",
|
|
*major, cmd->dev_types->device_mapper_major);
|
|
}
|
|
/* Stay with dynamic major:minor if minor is not specified. */
|
|
*major = (*minor == -1) ? -1 : cmd->dev_types->device_mapper_major;
|
|
}
|
|
|
|
if ((*minor != -1) && !validate_major_minor(cmd, fmt, *major, *minor))
|
|
return_0;
|
|
|
|
return 1;
|
|
}
|
|
|
|
/*
|
|
* Validate lvname parameter
|
|
*
|
|
* If it contains vgname, it is extracted from lvname.
|
|
* If there is passed vgname, it is compared whether its the same name.
|
|
*/
|
|
int validate_lvname_param(struct cmd_context *cmd, const char **vg_name,
|
|
const char **lv_name)
|
|
{
|
|
const char *vgname;
|
|
const char *lvname;
|
|
|
|
if (!lv_name || !*lv_name)
|
|
return 1; /* NULL lvname is ok */
|
|
|
|
/* If contains VG name, extract it. */
|
|
if (strchr(*lv_name, (int) '/')) {
|
|
if (!(vgname = _extract_vgname(cmd, *lv_name, &lvname)))
|
|
return_0;
|
|
|
|
if (!*vg_name)
|
|
*vg_name = vgname;
|
|
else if (strcmp(vgname, *vg_name)) {
|
|
log_error("Please use a single volume group name "
|
|
"(\"%s\" or \"%s\").", vgname, *vg_name);
|
|
return 0;
|
|
}
|
|
|
|
*lv_name = lvname;
|
|
}
|
|
|
|
if (!validate_name(*lv_name)) {
|
|
log_error("Logical volume name \"%s\" is invalid.",
|
|
*lv_name);
|
|
return 0;
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
/*
|
|
* Validate lvname parameter
|
|
* This name must follow restriction rules on prefixes and suffixes.
|
|
*
|
|
* If it contains vgname, it is extracted from lvname.
|
|
* If there is passed vgname, it is compared whether its the same name.
|
|
*/
|
|
int validate_restricted_lvname_param(struct cmd_context *cmd, const char **vg_name,
|
|
const char **lv_name)
|
|
{
|
|
if (!validate_lvname_param(cmd, vg_name, lv_name))
|
|
return_0;
|
|
|
|
if (lv_name && *lv_name && !apply_lvname_restrictions(*lv_name))
|
|
return_0;
|
|
|
|
return -1;
|
|
}
|
|
|
|
/*
|
|
* Extract list of VG names and list of tags from command line arguments.
|
|
*/
|
|
static int _get_arg_vgnames(struct cmd_context *cmd,
|
|
int argc, char **argv,
|
|
const char *one_vgname,
|
|
struct dm_list *arg_vgnames,
|
|
struct dm_list *arg_tags)
|
|
{
|
|
int opt = 0;
|
|
int ret_max = ECMD_PROCESSED;
|
|
const char *vg_name;
|
|
|
|
log_verbose("Using volume group(s) on command line.");
|
|
|
|
if (one_vgname) {
|
|
if (!str_list_add(cmd->mem, arg_vgnames,
|
|
dm_pool_strdup(cmd->mem, one_vgname))) {
|
|
log_error("strlist allocation failed.");
|
|
return ECMD_FAILED;
|
|
}
|
|
return ret_max;
|
|
}
|
|
|
|
for (; opt < argc; opt++) {
|
|
vg_name = argv[opt];
|
|
|
|
if (*vg_name == '@') {
|
|
if (!validate_tag(vg_name + 1)) {
|
|
log_error("Skipping invalid tag: %s", vg_name);
|
|
if (ret_max < EINVALID_CMD_LINE)
|
|
ret_max = EINVALID_CMD_LINE;
|
|
continue;
|
|
}
|
|
|
|
if (!str_list_add(cmd->mem, arg_tags,
|
|
dm_pool_strdup(cmd->mem, vg_name + 1))) {
|
|
log_error("strlist allocation failed.");
|
|
return ECMD_FAILED;
|
|
}
|
|
|
|
continue;
|
|
}
|
|
|
|
vg_name = skip_dev_dir(cmd, vg_name, NULL);
|
|
if (strchr(vg_name, '/')) {
|
|
log_error("Invalid volume group name %s.", vg_name);
|
|
if (ret_max < EINVALID_CMD_LINE)
|
|
ret_max = EINVALID_CMD_LINE;
|
|
continue;
|
|
}
|
|
|
|
if (!str_list_add(cmd->mem, arg_vgnames,
|
|
dm_pool_strdup(cmd->mem, vg_name))) {
|
|
log_error("strlist allocation failed.");
|
|
return ECMD_FAILED;
|
|
}
|
|
}
|
|
|
|
return ret_max;
|
|
}
|
|
|
|
struct processing_handle *init_processing_handle(struct cmd_context *cmd)
|
|
{
|
|
struct processing_handle *handle;
|
|
|
|
if (!(handle = dm_pool_zalloc(cmd->mem, sizeof(struct processing_handle)))) {
|
|
log_error("_init_processing_handle: failed to allocate memory for processing handle");
|
|
return NULL;
|
|
}
|
|
|
|
/*
|
|
* For any reporting tool, the internal_report_for_select is reset to 0
|
|
* automatically because the internal reporting/selection is simply not
|
|
* needed - the reporting/selection is already a part of the code path
|
|
* used there.
|
|
*
|
|
* *The internal report for select is only needed for non-reporting tools!*
|
|
*/
|
|
handle->internal_report_for_select = arg_is_set(cmd, select_ARG);
|
|
|
|
return handle;
|
|
}
|
|
|
|
int init_selection_handle(struct cmd_context *cmd, struct processing_handle *handle,
|
|
report_type_t initial_report_type)
|
|
{
|
|
struct selection_handle *sh;
|
|
|
|
if (!(sh = dm_pool_zalloc(cmd->mem, sizeof(struct selection_handle)))) {
|
|
log_error("_init_selection_handle: failed to allocate memory for selection handle");
|
|
return 0;
|
|
}
|
|
|
|
sh->report_type = initial_report_type;
|
|
if (!(sh->selection_rh = report_init_for_selection(cmd, &sh->report_type,
|
|
arg_str_value(cmd, select_ARG, NULL)))) {
|
|
dm_pool_free(cmd->mem, sh);
|
|
return_0;
|
|
}
|
|
|
|
handle->selection_handle = sh;
|
|
return 1;
|
|
}
|
|
|
|
void destroy_processing_handle(struct cmd_context *cmd, struct processing_handle *handle)
|
|
{
|
|
if (handle) {
|
|
if (handle->selection_handle && handle->selection_handle->selection_rh)
|
|
dm_report_free(handle->selection_handle->selection_rh);
|
|
dm_pool_free(cmd->mem, handle);
|
|
}
|
|
}
|
|
|
|
|
|
int select_match_vg(struct cmd_context *cmd, struct processing_handle *handle,
|
|
struct volume_group *vg, int *selected)
|
|
{
|
|
struct selection_handle *sh = handle->selection_handle;
|
|
|
|
if (!handle->internal_report_for_select) {
|
|
*selected = 1;
|
|
return 1;
|
|
}
|
|
|
|
sh->orig_report_type = VGS;
|
|
|
|
if (!report_for_selection(cmd, sh, NULL, vg, NULL)) {
|
|
log_error("Selection failed for VG %s.", vg->name);
|
|
return 0;
|
|
}
|
|
|
|
sh->orig_report_type = 0;
|
|
*selected = sh->selected;
|
|
|
|
return 1;
|
|
}
|
|
|
|
int select_match_lv(struct cmd_context *cmd, struct processing_handle *handle,
|
|
struct volume_group *vg, struct logical_volume *lv, int *selected)
|
|
{
|
|
struct selection_handle *sh = handle->selection_handle;
|
|
|
|
if (!handle->internal_report_for_select) {
|
|
*selected = 1;
|
|
return 1;
|
|
}
|
|
|
|
sh->orig_report_type = LVS;
|
|
|
|
if (!report_for_selection(cmd, sh, NULL, vg, lv)) {
|
|
log_error("Selection failed for LV %s.", lv->name);
|
|
return 0;
|
|
}
|
|
|
|
sh->orig_report_type = 0;
|
|
*selected = sh->selected;
|
|
|
|
return 1;
|
|
}
|
|
|
|
int select_match_pv(struct cmd_context *cmd, struct processing_handle *handle,
|
|
struct volume_group *vg, struct physical_volume *pv, int *selected)
|
|
{
|
|
struct selection_handle *sh = handle->selection_handle;
|
|
|
|
if (!handle->internal_report_for_select) {
|
|
*selected = 1;
|
|
return 1;
|
|
}
|
|
|
|
sh->orig_report_type = PVS;
|
|
|
|
if (!report_for_selection(cmd, sh, pv, vg, NULL)) {
|
|
log_error("Selection failed for PV %s.", dev_name(pv->dev));
|
|
return 0;
|
|
}
|
|
|
|
sh->orig_report_type = 0;
|
|
*selected = sh->selected;
|
|
|
|
return 1;
|
|
}
|
|
|
|
static int _process_vgnameid_list(struct cmd_context *cmd, uint32_t read_flags,
|
|
struct dm_list *vgnameids_to_process,
|
|
struct dm_list *arg_vgnames,
|
|
struct dm_list *arg_tags,
|
|
struct processing_handle *handle,
|
|
process_single_vg_fn_t process_single_vg)
|
|
{
|
|
char uuid[64] __attribute__((aligned(8)));
|
|
struct volume_group *vg;
|
|
struct vgnameid_list *vgnl;
|
|
const char *vg_name;
|
|
const char *vg_uuid;
|
|
uint32_t lockd_state = 0;
|
|
int selected;
|
|
int whole_selected = 0;
|
|
int ret_max = ECMD_PROCESSED;
|
|
int ret;
|
|
int skip;
|
|
int notfound;
|
|
int process_all = 0;
|
|
|
|
/*
|
|
* If no VG names or tags were supplied, then process all VGs.
|
|
*/
|
|
if (dm_list_empty(arg_vgnames) && dm_list_empty(arg_tags))
|
|
process_all = 1;
|
|
|
|
/*
|
|
* FIXME If one_vgname, only proceed if exactly one VG matches tags or selection.
|
|
*/
|
|
dm_list_iterate_items(vgnl, vgnameids_to_process) {
|
|
if (sigint_caught())
|
|
return_ECMD_FAILED;
|
|
|
|
vg_name = vgnl->vg_name;
|
|
vg_uuid = vgnl->vgid;
|
|
skip = 0;
|
|
notfound = 0;
|
|
|
|
if (vg_uuid)
|
|
id_write_format((const struct id*)vg_uuid, uuid, sizeof(uuid));
|
|
|
|
log_very_verbose("Processing VG %s %s", vg_name, vg_uuid ? uuid : "");
|
|
|
|
if (!lockd_vg(cmd, vg_name, NULL, 0, &lockd_state)) {
|
|
ret_max = ECMD_FAILED;
|
|
continue;
|
|
}
|
|
|
|
vg = vg_read(cmd, vg_name, vg_uuid, read_flags, lockd_state);
|
|
if (_ignore_vg(vg, vg_name, arg_vgnames, read_flags, &skip, ¬found)) {
|
|
stack;
|
|
ret_max = ECMD_FAILED;
|
|
goto endvg;
|
|
}
|
|
if (skip || notfound)
|
|
goto endvg;
|
|
|
|
/* Process this VG? */
|
|
if ((process_all ||
|
|
(!dm_list_empty(arg_vgnames) && str_list_match_item(arg_vgnames, vg_name)) ||
|
|
(!dm_list_empty(arg_tags) && str_list_match_list(arg_tags, &vg->tags, NULL))) &&
|
|
select_match_vg(cmd, handle, vg, &selected) && selected) {
|
|
|
|
log_very_verbose("Process single VG %s", vg_name);
|
|
|
|
ret = process_single_vg(cmd, vg_name, vg, handle);
|
|
_update_selection_result(handle, &whole_selected);
|
|
if (ret != ECMD_PROCESSED)
|
|
stack;
|
|
if (ret > ret_max)
|
|
ret_max = ret;
|
|
}
|
|
|
|
if (!vg_read_error(vg))
|
|
unlock_vg(cmd, vg_name);
|
|
endvg:
|
|
release_vg(vg);
|
|
if (!lockd_vg(cmd, vg_name, "un", 0, &lockd_state))
|
|
stack;
|
|
}
|
|
|
|
/* the VG is selected if at least one LV is selected */
|
|
_set_final_selection_result(handle, whole_selected);
|
|
return ret_max;
|
|
}
|
|
|
|
/*
|
|
* Check if a command line VG name is ambiguous, i.e. there are multiple VGs on
|
|
* the system that have the given name. If *one* VG with the given name is
|
|
* local and the rest are foreign, then use the local VG (removing foreign VGs
|
|
* with the same name from the vgnameids_on_system list). If multiple VGs with
|
|
* the given name are local, we don't know which VG is intended, so remove the
|
|
* ambiguous name from the list of args.
|
|
*/
|
|
static int _resolve_duplicate_vgnames(struct cmd_context *cmd,
|
|
struct dm_list *arg_vgnames,
|
|
struct dm_list *vgnameids_on_system)
|
|
{
|
|
struct dm_str_list *sl, *sl2;
|
|
struct vgnameid_list *vgnl, *vgnl2;
|
|
char uuid[64] __attribute__((aligned(8)));
|
|
int found;
|
|
int ret = ECMD_PROCESSED;
|
|
|
|
dm_list_iterate_items_safe(sl, sl2, arg_vgnames) {
|
|
found = 0;
|
|
dm_list_iterate_items(vgnl, vgnameids_on_system) {
|
|
if (strcmp(sl->str, vgnl->vg_name))
|
|
continue;
|
|
found++;
|
|
}
|
|
|
|
if (found < 2)
|
|
continue;
|
|
|
|
/*
|
|
* More than one VG match the given name.
|
|
* If only one is local, use that one.
|
|
*/
|
|
|
|
found = 0;
|
|
dm_list_iterate_items_safe(vgnl, vgnl2, vgnameids_on_system) {
|
|
if (strcmp(sl->str, vgnl->vg_name))
|
|
continue;
|
|
|
|
/*
|
|
* Without lvmetad, a label scan has already populated
|
|
* lvmcache vginfo with this information.
|
|
* With lvmetad, this function does vg_lookup on this
|
|
* name/vgid and checks system_id in the metadata.
|
|
*/
|
|
if (lvmcache_vg_is_foreign(cmd, vgnl->vg_name, vgnl->vgid)) {
|
|
id_write_format((const struct id*)vgnl->vgid, uuid, sizeof(uuid));
|
|
log_warn("WARNING: Ignoring foreign VG with matching name %s UUID %s.",
|
|
vgnl->vg_name, uuid);
|
|
dm_list_del(&vgnl->list);
|
|
} else {
|
|
found++;
|
|
}
|
|
}
|
|
|
|
if (found < 2)
|
|
continue;
|
|
|
|
/*
|
|
* More than one VG with this name is local so the intended VG
|
|
* is unknown.
|
|
*/
|
|
log_error("Multiple VGs found with the same name: skipping %s", sl->str);
|
|
log_error("Use the VG UUID with --select vg_uuid=<uuid>");
|
|
dm_list_del(&sl->list);
|
|
ret = ECMD_FAILED;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
/*
|
|
* For each arg_vgname, move the corresponding entry from
|
|
* vgnameids_on_system to vgnameids_to_process. If an
|
|
* item in arg_vgnames doesn't exist in vgnameids_on_system,
|
|
* then add a new entry for it to vgnameids_to_process.
|
|
*/
|
|
static void _choose_vgs_to_process(struct cmd_context *cmd,
|
|
struct dm_list *arg_vgnames,
|
|
struct dm_list *vgnameids_on_system,
|
|
struct dm_list *vgnameids_to_process)
|
|
{
|
|
char uuid[64] __attribute__((aligned(8)));
|
|
struct dm_str_list *sl, *sl2;
|
|
struct vgnameid_list *vgnl, *vgnl2;
|
|
struct id id;
|
|
int arg_is_uuid = 0;
|
|
int found;
|
|
|
|
dm_list_iterate_items_safe(sl, sl2, arg_vgnames) {
|
|
found = 0;
|
|
dm_list_iterate_items_safe(vgnl, vgnl2, vgnameids_on_system) {
|
|
if (strcmp(sl->str, vgnl->vg_name))
|
|
continue;
|
|
|
|
dm_list_del(&vgnl->list);
|
|
dm_list_add(vgnameids_to_process, &vgnl->list);
|
|
found = 1;
|
|
break;
|
|
}
|
|
|
|
/*
|
|
* If the VG name arg looks like a UUID, then check if it
|
|
* matches the UUID of a VG. (--select should generally
|
|
* be used to select a VG by uuid instead.)
|
|
*/
|
|
if (!found && (cmd->command->flags & ALLOW_UUID_AS_NAME))
|
|
arg_is_uuid = id_read_format_try(&id, sl->str);
|
|
|
|
if (!found && arg_is_uuid) {
|
|
dm_list_iterate_items_safe(vgnl, vgnl2, vgnameids_on_system) {
|
|
if (!(id_write_format((const struct id*)vgnl->vgid, uuid, sizeof(uuid))))
|
|
continue;
|
|
|
|
if (strcmp(sl->str, uuid))
|
|
continue;
|
|
|
|
log_print("Processing VG %s because of matching UUID %s",
|
|
vgnl->vg_name, uuid);
|
|
|
|
dm_list_del(&vgnl->list);
|
|
dm_list_add(vgnameids_to_process, &vgnl->list);
|
|
|
|
/* Make the arg_vgnames entry use the actual VG name. */
|
|
sl->str = dm_pool_strdup(cmd->mem, vgnl->vg_name);
|
|
|
|
found = 1;
|
|
break;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* If the name arg was not found in the list of all VGs, then
|
|
* it probably doesn't exist, but we want the "VG not found"
|
|
* failure to be handled by the existing vg_read() code for
|
|
* that error. So, create an entry with just the VG name so
|
|
* that the processing loop will attempt to process it and use
|
|
* the vg_read() error path.
|
|
*/
|
|
if (!found) {
|
|
log_verbose("VG name on command line not found in list of VGs: %s", sl->str);
|
|
|
|
if (!(vgnl = dm_pool_alloc(cmd->mem, sizeof(*vgnl))))
|
|
continue;
|
|
|
|
vgnl->vgid = NULL;
|
|
|
|
if (!(vgnl->vg_name = dm_pool_strdup(cmd->mem, sl->str)))
|
|
continue;
|
|
|
|
dm_list_add(vgnameids_to_process, &vgnl->list);
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Call process_single_vg() for each VG selected by the command line arguments.
|
|
* If one_vgname is set, process only that VG and ignore argc/argv (which should be 0/NULL)..
|
|
* If one_vgname is not set, get VG names to process from argc/argv.
|
|
*/
|
|
int process_each_vg(struct cmd_context *cmd, int argc, char **argv,
|
|
const char *one_vgname, uint32_t read_flags,
|
|
struct processing_handle *handle,
|
|
process_single_vg_fn_t process_single_vg)
|
|
{
|
|
int handle_supplied = handle != NULL;
|
|
struct dm_list arg_tags; /* str_list */
|
|
struct dm_list arg_vgnames; /* str_list */
|
|
struct dm_list vgnameids_on_system; /* vgnameid_list */
|
|
struct dm_list vgnameids_to_process; /* vgnameid_list */
|
|
int enable_all_vgs = (cmd->command->flags & ALL_VGS_IS_DEFAULT);
|
|
int process_all_vgs_on_system = 0;
|
|
int ret_max = ECMD_PROCESSED;
|
|
int ret;
|
|
|
|
/* Disable error in vg_read so we can print it from ignore_vg. */
|
|
cmd->vg_read_print_access_error = 0;
|
|
|
|
dm_list_init(&arg_tags);
|
|
dm_list_init(&arg_vgnames);
|
|
dm_list_init(&vgnameids_on_system);
|
|
dm_list_init(&vgnameids_to_process);
|
|
|
|
/*
|
|
* Find any VGs or tags explicitly provided on the command line.
|
|
*/
|
|
if ((ret = _get_arg_vgnames(cmd, argc, argv, one_vgname, &arg_vgnames, &arg_tags)) != ECMD_PROCESSED) {
|
|
ret_max = ret;
|
|
goto_out;
|
|
}
|
|
|
|
/*
|
|
* Process all VGs on the system when:
|
|
* . tags are specified and all VGs need to be read to
|
|
* look for matching tags.
|
|
* . no VG names are specified and the command defaults
|
|
* to processing all VGs when none are specified.
|
|
*/
|
|
if ((dm_list_empty(&arg_vgnames) && enable_all_vgs) || !dm_list_empty(&arg_tags))
|
|
process_all_vgs_on_system = 1;
|
|
|
|
/*
|
|
* Needed for a current listing of the global VG namespace.
|
|
*/
|
|
if (process_all_vgs_on_system && !lockd_gl(cmd, "sh", 0)) {
|
|
ret_max = ECMD_FAILED;
|
|
goto_out;
|
|
}
|
|
|
|
/*
|
|
* A list of all VGs on the system is needed when:
|
|
* . processing all VGs on the system
|
|
* . A VG name is specified which may refer to one
|
|
* of multiple VGs on the system with that name.
|
|
*/
|
|
log_very_verbose("Get list of VGs on system");
|
|
|
|
if (!get_vgnameids(cmd, &vgnameids_on_system, NULL, 0)) {
|
|
ret_max = ECMD_FAILED;
|
|
goto_out;
|
|
}
|
|
|
|
if (!dm_list_empty(&arg_vgnames)) {
|
|
/* This may remove entries from arg_vgnames or vgnameids_on_system. */
|
|
ret = _resolve_duplicate_vgnames(cmd, &arg_vgnames, &vgnameids_on_system);
|
|
if (ret > ret_max)
|
|
ret_max = ret;
|
|
if (dm_list_empty(&arg_vgnames) && dm_list_empty(&arg_tags)) {
|
|
ret_max = ECMD_FAILED;
|
|
goto out;
|
|
}
|
|
}
|
|
|
|
if (dm_list_empty(&arg_vgnames) && dm_list_empty(&vgnameids_on_system)) {
|
|
/* FIXME Should be log_print, but suppressed for reporting cmds */
|
|
log_verbose("No volume groups found.");
|
|
ret_max = ECMD_PROCESSED;
|
|
goto out;
|
|
}
|
|
|
|
if (dm_list_empty(&arg_vgnames))
|
|
read_flags |= READ_OK_NOTFOUND;
|
|
|
|
/*
|
|
* When processing all VGs, vgnameids_on_system simply becomes
|
|
* vgnameids_to_process.
|
|
* When processing only specified VGs, then for each item in
|
|
* arg_vgnames, move the corresponding entry from
|
|
* vgnameids_on_system to vgnameids_to_process.
|
|
*/
|
|
if (process_all_vgs_on_system)
|
|
dm_list_splice(&vgnameids_to_process, &vgnameids_on_system);
|
|
else
|
|
_choose_vgs_to_process(cmd, &arg_vgnames, &vgnameids_on_system, &vgnameids_to_process);
|
|
|
|
if (!handle && !(handle = init_processing_handle(cmd))) {
|
|
ret_max = ECMD_FAILED;
|
|
goto_out;
|
|
}
|
|
|
|
if (handle->internal_report_for_select && !handle->selection_handle &&
|
|
!init_selection_handle(cmd, handle, VGS)) {
|
|
ret_max = ECMD_FAILED;
|
|
goto_out;
|
|
}
|
|
|
|
ret = _process_vgnameid_list(cmd, read_flags, &vgnameids_to_process,
|
|
&arg_vgnames, &arg_tags, handle, process_single_vg);
|
|
if (ret > ret_max)
|
|
ret_max = ret;
|
|
out:
|
|
if (!handle_supplied)
|
|
destroy_processing_handle(cmd, handle);
|
|
|
|
return ret_max;
|
|
}
|
|
|
|
int process_each_lv_in_vg(struct cmd_context *cmd, struct volume_group *vg,
|
|
struct dm_list *arg_lvnames, const struct dm_list *tags_in,
|
|
int stop_on_error,
|
|
struct processing_handle *handle,
|
|
process_single_lv_fn_t process_single_lv)
|
|
{
|
|
int ret_max = ECMD_PROCESSED;
|
|
int ret = 0;
|
|
int selected;
|
|
int whole_selected = 0;
|
|
int handle_supplied = handle != NULL;
|
|
unsigned process_lv;
|
|
unsigned process_all = 0;
|
|
unsigned tags_supplied = 0;
|
|
unsigned lvargs_supplied = 0;
|
|
struct lv_list *lvl;
|
|
struct dm_str_list *sl;
|
|
struct dm_list final_lvs;
|
|
struct lv_list *final_lvl;
|
|
|
|
dm_list_init(&final_lvs);
|
|
|
|
if (!vg_check_status(vg, EXPORTED_VG)) {
|
|
ret_max = ECMD_FAILED;
|
|
goto_out;
|
|
}
|
|
|
|
if (tags_in && !dm_list_empty(tags_in))
|
|
tags_supplied = 1;
|
|
|
|
if (arg_lvnames && !dm_list_empty(arg_lvnames))
|
|
lvargs_supplied = 1;
|
|
|
|
if (!handle && !(handle = init_processing_handle(cmd))) {
|
|
ret_max = ECMD_FAILED;
|
|
goto_out;
|
|
}
|
|
|
|
if (handle->internal_report_for_select && !handle->selection_handle &&
|
|
!init_selection_handle(cmd, handle, LVS)) {
|
|
ret_max = ECMD_FAILED;
|
|
goto_out;
|
|
}
|
|
|
|
/* Process all LVs in this VG if no restrictions given
|
|
* or if VG tags match. */
|
|
if ((!tags_supplied && !lvargs_supplied) ||
|
|
(tags_supplied && str_list_match_list(tags_in, &vg->tags, NULL)))
|
|
process_all = 1;
|
|
|
|
dm_list_iterate_items(lvl, &vg->lvs) {
|
|
if (sigint_caught()) {
|
|
ret_max = ECMD_FAILED;
|
|
goto_out;
|
|
}
|
|
|
|
if (lvl->lv->status & SNAPSHOT)
|
|
continue;
|
|
|
|
/* Skip availability change for non-virt snaps when processing all LVs */
|
|
/* FIXME: pass process_all to process_single_lv() */
|
|
if (process_all && arg_count(cmd, activate_ARG) &&
|
|
lv_is_cow(lvl->lv) && !lv_is_virtual_origin(origin_from_cow(lvl->lv)))
|
|
continue;
|
|
|
|
if (lv_is_virtual_origin(lvl->lv) && !arg_count(cmd, all_ARG)) {
|
|
if (lvargs_supplied &&
|
|
str_list_match_item(arg_lvnames, lvl->lv->name))
|
|
log_print_unless_silent("Ignoring virtual origin logical volume %s.",
|
|
display_lvname(lvl->lv));
|
|
continue;
|
|
}
|
|
|
|
/*
|
|
* Only let hidden LVs through if --all was used or the LVs
|
|
* were specifically named on the command line.
|
|
*/
|
|
if (!lvargs_supplied && !lv_is_visible(lvl->lv) && !arg_count(cmd, all_ARG))
|
|
continue;
|
|
|
|
/*
|
|
* Only let sanlock LV through if --all was used or if
|
|
* it is named on the command line.
|
|
*/
|
|
if (lv_is_lockd_sanlock_lv(lvl->lv)) {
|
|
if (arg_count(cmd, all_ARG) ||
|
|
(lvargs_supplied && str_list_match_item(arg_lvnames, lvl->lv->name))) {
|
|
log_very_verbose("Processing lockd_sanlock_lv %s/%s.", vg->name, lvl->lv->name);
|
|
} else {
|
|
continue;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* process the LV if one of the following:
|
|
* - process_all is set
|
|
* - LV name matches a supplied LV name
|
|
* - LV tag matches a supplied LV tag
|
|
* - LV matches the selection
|
|
*/
|
|
|
|
process_lv = process_all;
|
|
|
|
if (lvargs_supplied && str_list_match_item(arg_lvnames, lvl->lv->name)) {
|
|
/* Remove LV from list of unprocessed LV names */
|
|
str_list_del(arg_lvnames, lvl->lv->name);
|
|
process_lv = 1;
|
|
}
|
|
|
|
if (!process_lv && tags_supplied && str_list_match_list(tags_in, &lvl->lv->tags, NULL))
|
|
process_lv = 1;
|
|
|
|
process_lv = process_lv && select_match_lv(cmd, handle, vg, lvl->lv, &selected) && selected;
|
|
|
|
if (sigint_caught()) {
|
|
ret_max = ECMD_FAILED;
|
|
goto_out;
|
|
}
|
|
|
|
if (!process_lv)
|
|
continue;
|
|
|
|
log_very_verbose("Adding %s/%s to the list of LVs to be processed.", vg->name, lvl->lv->name);
|
|
|
|
if (!(final_lvl = dm_pool_zalloc(vg->vgmem, sizeof(struct lv_list)))) {
|
|
log_error("Failed to allocate final LV list item.");
|
|
ret_max = ECMD_FAILED;
|
|
goto_out;
|
|
}
|
|
final_lvl->lv = lvl->lv;
|
|
dm_list_add(&final_lvs, &final_lvl->list);
|
|
}
|
|
|
|
dm_list_iterate_items(lvl, &final_lvs) {
|
|
/*
|
|
* FIXME: Once we have index over vg->removed_lvs, check directly
|
|
* LV presence there and remove LV_REMOVE flag/lv_is_removed fn
|
|
* as they won't be needed anymore.
|
|
*/
|
|
if (lv_is_removed(lvl->lv))
|
|
continue;
|
|
|
|
log_very_verbose("Processing LV %s in VG %s.", lvl->lv->name, vg->name);
|
|
|
|
ret = process_single_lv(cmd, lvl->lv, handle);
|
|
if (handle_supplied)
|
|
_update_selection_result(handle, &whole_selected);
|
|
if (ret != ECMD_PROCESSED)
|
|
stack;
|
|
if (ret > ret_max)
|
|
ret_max = ret;
|
|
|
|
if (stop_on_error && ret != ECMD_PROCESSED)
|
|
goto_out;
|
|
}
|
|
|
|
if (lvargs_supplied) {
|
|
/*
|
|
* FIXME: lvm supports removal of LV with all its dependencies
|
|
* this leads to miscalculation that depends on the order of args.
|
|
*/
|
|
dm_list_iterate_items(sl, arg_lvnames) {
|
|
log_error("Failed to find logical volume \"%s/%s\"",
|
|
vg->name, sl->str);
|
|
if (ret_max < ECMD_FAILED)
|
|
ret_max = ECMD_FAILED;
|
|
}
|
|
}
|
|
out:
|
|
if (!handle_supplied)
|
|
destroy_processing_handle(cmd, handle);
|
|
else
|
|
_set_final_selection_result(handle, whole_selected);
|
|
return ret_max;
|
|
}
|
|
|
|
/*
|
|
* If arg is tag, add it to arg_tags
|
|
* else the arg is either vgname or vgname/lvname:
|
|
* - add the vgname of each arg to arg_vgnames
|
|
* - if arg has no lvname, add just vgname arg_lvnames,
|
|
* it represents all lvs in the vg
|
|
* - if arg has lvname, add vgname/lvname to arg_lvnames
|
|
*/
|
|
static int _get_arg_lvnames(struct cmd_context *cmd,
|
|
int argc, char **argv,
|
|
struct dm_list *arg_vgnames,
|
|
struct dm_list *arg_lvnames,
|
|
struct dm_list *arg_tags)
|
|
{
|
|
int opt = 0;
|
|
int ret_max = ECMD_PROCESSED;
|
|
char *vglv;
|
|
size_t vglv_sz;
|
|
const char *vgname;
|
|
const char *lv_name;
|
|
const char *tmp_lv_name;
|
|
const char *vgname_def;
|
|
unsigned dev_dir_found;
|
|
|
|
log_verbose("Using logical volume(s) on command line.");
|
|
|
|
for (; opt < argc; opt++) {
|
|
lv_name = argv[opt];
|
|
dev_dir_found = 0;
|
|
|
|
/* Do we have a tag or vgname or lvname? */
|
|
vgname = lv_name;
|
|
|
|
if (*vgname == '@') {
|
|
if (!validate_tag(vgname + 1)) {
|
|
log_error("Skipping invalid tag %s.", vgname);
|
|
continue;
|
|
}
|
|
if (!str_list_add(cmd->mem, arg_tags,
|
|
dm_pool_strdup(cmd->mem, vgname + 1))) {
|
|
log_error("strlist allocation failed.");
|
|
return ECMD_FAILED;
|
|
}
|
|
continue;
|
|
}
|
|
|
|
/* FIXME Jumbled parsing */
|
|
vgname = skip_dev_dir(cmd, vgname, &dev_dir_found);
|
|
|
|
if (*vgname == '/') {
|
|
log_error("\"%s\": Invalid path for Logical Volume.",
|
|
argv[opt]);
|
|
if (ret_max < ECMD_FAILED)
|
|
ret_max = ECMD_FAILED;
|
|
continue;
|
|
}
|
|
lv_name = vgname;
|
|
if ((tmp_lv_name = strchr(vgname, '/'))) {
|
|
/* Must be an LV */
|
|
lv_name = tmp_lv_name;
|
|
while (*lv_name == '/')
|
|
lv_name++;
|
|
if (!(vgname = extract_vgname(cmd, vgname))) {
|
|
if (ret_max < ECMD_FAILED) {
|
|
stack;
|
|
ret_max = ECMD_FAILED;
|
|
}
|
|
continue;
|
|
}
|
|
} else if (!dev_dir_found &&
|
|
(vgname_def = _default_vgname(cmd)))
|
|
vgname = vgname_def;
|
|
else
|
|
lv_name = NULL;
|
|
|
|
if (!str_list_add(cmd->mem, arg_vgnames,
|
|
dm_pool_strdup(cmd->mem, vgname))) {
|
|
log_error("strlist allocation failed.");
|
|
return ECMD_FAILED;
|
|
}
|
|
|
|
if (!lv_name) {
|
|
if (!str_list_add(cmd->mem, arg_lvnames,
|
|
dm_pool_strdup(cmd->mem, vgname))) {
|
|
log_error("strlist allocation failed.");
|
|
return ECMD_FAILED;
|
|
}
|
|
} else {
|
|
vglv_sz = strlen(vgname) + strlen(lv_name) + 2;
|
|
if (!(vglv = dm_pool_alloc(cmd->mem, vglv_sz)) ||
|
|
dm_snprintf(vglv, vglv_sz, "%s/%s", vgname, lv_name) < 0) {
|
|
log_error("vg/lv string alloc failed.");
|
|
return ECMD_FAILED;
|
|
}
|
|
if (!str_list_add(cmd->mem, arg_lvnames, vglv)) {
|
|
log_error("strlist allocation failed.");
|
|
return ECMD_FAILED;
|
|
}
|
|
}
|
|
}
|
|
|
|
return ret_max;
|
|
}
|
|
|
|
static int _process_lv_vgnameid_list(struct cmd_context *cmd, uint32_t read_flags,
|
|
struct dm_list *vgnameids_to_process,
|
|
struct dm_list *arg_vgnames,
|
|
struct dm_list *arg_lvnames,
|
|
struct dm_list *arg_tags,
|
|
struct processing_handle *handle,
|
|
process_single_lv_fn_t process_single_lv)
|
|
{
|
|
char uuid[64] __attribute__((aligned(8)));
|
|
struct volume_group *vg;
|
|
struct vgnameid_list *vgnl;
|
|
struct dm_str_list *sl;
|
|
struct dm_list *tags_arg;
|
|
struct dm_list lvnames;
|
|
uint32_t lockd_state = 0;
|
|
const char *vg_name;
|
|
const char *vg_uuid;
|
|
const char *vgn;
|
|
const char *lvn;
|
|
int ret_max = ECMD_PROCESSED;
|
|
int ret;
|
|
int skip;
|
|
int notfound;
|
|
|
|
dm_list_iterate_items(vgnl, vgnameids_to_process) {
|
|
if (sigint_caught())
|
|
return_ECMD_FAILED;
|
|
|
|
vg_name = vgnl->vg_name;
|
|
vg_uuid = vgnl->vgid;
|
|
skip = 0;
|
|
notfound = 0;
|
|
|
|
/*
|
|
* arg_lvnames contains some elements that are just "vgname"
|
|
* which means process all lvs in the vg. Other elements
|
|
* are "vgname/lvname" which means process only the select
|
|
* lvs in the vg.
|
|
*/
|
|
tags_arg = arg_tags;
|
|
dm_list_init(&lvnames); /* LVs to be processed in this VG */
|
|
|
|
dm_list_iterate_items(sl, arg_lvnames) {
|
|
vgn = sl->str;
|
|
lvn = strchr(vgn, '/');
|
|
|
|
if (!lvn && !strcmp(vgn, vg_name)) {
|
|
/* Process all LVs in this VG */
|
|
tags_arg = NULL;
|
|
dm_list_init(&lvnames);
|
|
break;
|
|
}
|
|
|
|
if (lvn && !strncmp(vgn, vg_name, strlen(vg_name)) &&
|
|
strlen(vg_name) == (size_t) (lvn - vgn)) {
|
|
if (!str_list_add(cmd->mem, &lvnames,
|
|
dm_pool_strdup(cmd->mem, lvn + 1))) {
|
|
log_error("strlist allocation failed.");
|
|
return ECMD_FAILED;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (vg_uuid)
|
|
id_write_format((const struct id*)vg_uuid, uuid, sizeof(uuid));
|
|
|
|
log_very_verbose("Processing VG %s %s", vg_name, vg_uuid ? uuid : "");
|
|
|
|
if (!lockd_vg(cmd, vg_name, NULL, 0, &lockd_state)) {
|
|
ret_max = ECMD_FAILED;
|
|
continue;
|
|
}
|
|
|
|
vg = vg_read(cmd, vg_name, vg_uuid, read_flags, lockd_state);
|
|
if (_ignore_vg(vg, vg_name, arg_vgnames, read_flags, &skip, ¬found)) {
|
|
stack;
|
|
ret_max = ECMD_FAILED;
|
|
goto endvg;
|
|
}
|
|
if (skip || notfound)
|
|
goto endvg;
|
|
|
|
ret = process_each_lv_in_vg(cmd, vg, &lvnames, tags_arg, 0,
|
|
handle, process_single_lv);
|
|
if (ret != ECMD_PROCESSED)
|
|
stack;
|
|
if (ret > ret_max)
|
|
ret_max = ret;
|
|
|
|
unlock_vg(cmd, vg_name);
|
|
endvg:
|
|
release_vg(vg);
|
|
if (!lockd_vg(cmd, vg_name, "un", 0, &lockd_state))
|
|
stack;
|
|
}
|
|
|
|
return ret_max;
|
|
}
|
|
|
|
/*
|
|
* Call process_single_lv() for each LV selected by the command line arguments.
|
|
*/
|
|
int process_each_lv(struct cmd_context *cmd, int argc, char **argv, uint32_t read_flags,
|
|
struct processing_handle *handle, process_single_lv_fn_t process_single_lv)
|
|
{
|
|
int handle_supplied = handle != NULL;
|
|
struct dm_list arg_tags; /* str_list */
|
|
struct dm_list arg_vgnames; /* str_list */
|
|
struct dm_list arg_lvnames; /* str_list */
|
|
struct dm_list vgnameids_on_system; /* vgnameid_list */
|
|
struct dm_list vgnameids_to_process; /* vgnameid_list */
|
|
int enable_all_vgs = (cmd->command->flags & ALL_VGS_IS_DEFAULT);
|
|
int process_all_vgs_on_system = 0;
|
|
int ret_max = ECMD_PROCESSED;
|
|
int ret;
|
|
|
|
/* Disable error in vg_read so we can print it from ignore_vg. */
|
|
cmd->vg_read_print_access_error = 0;
|
|
|
|
dm_list_init(&arg_tags);
|
|
dm_list_init(&arg_vgnames);
|
|
dm_list_init(&arg_lvnames);
|
|
dm_list_init(&vgnameids_on_system);
|
|
dm_list_init(&vgnameids_to_process);
|
|
|
|
/*
|
|
* Find any LVs, VGs or tags explicitly provided on the command line.
|
|
*/
|
|
if ((ret = _get_arg_lvnames(cmd, argc, argv, &arg_vgnames, &arg_lvnames, &arg_tags) != ECMD_PROCESSED)) {
|
|
ret_max = ret;
|
|
goto_out;
|
|
}
|
|
|
|
if (!handle && !(handle = init_processing_handle(cmd))) {
|
|
ret_max = ECMD_FAILED;
|
|
goto_out;
|
|
}
|
|
|
|
if (handle->internal_report_for_select && !handle->selection_handle &&
|
|
!init_selection_handle(cmd, handle, LVS)) {
|
|
ret_max = ECMD_FAILED;
|
|
goto_out;
|
|
}
|
|
|
|
/*
|
|
* Process all VGs on the system when:
|
|
* . tags are specified and all VGs need to be read to
|
|
* look for matching tags.
|
|
* . no VG names are specified and the command defaults
|
|
* to processing all VGs when none are specified.
|
|
* . no VG names are specified and the select option needs
|
|
* resolving.
|
|
*/
|
|
if (!dm_list_empty(&arg_tags))
|
|
process_all_vgs_on_system = 1;
|
|
else if (dm_list_empty(&arg_vgnames) && enable_all_vgs)
|
|
process_all_vgs_on_system = 1;
|
|
else if (dm_list_empty(&arg_vgnames) && handle->internal_report_for_select)
|
|
process_all_vgs_on_system = 1;
|
|
|
|
/*
|
|
* Needed for a current listing of the global VG namespace.
|
|
*/
|
|
if (process_all_vgs_on_system && !lockd_gl(cmd, "sh", 0)) {
|
|
ret_max = ECMD_FAILED;
|
|
goto_out;
|
|
}
|
|
|
|
/*
|
|
* A list of all VGs on the system is needed when:
|
|
* . processing all VGs on the system
|
|
* . A VG name is specified which may refer to one
|
|
* of multiple VGs on the system with that name.
|
|
*/
|
|
log_very_verbose("Get list of VGs on system");
|
|
|
|
if (!get_vgnameids(cmd, &vgnameids_on_system, NULL, 0)) {
|
|
ret_max = ECMD_FAILED;
|
|
goto_out;
|
|
}
|
|
|
|
if (!dm_list_empty(&arg_vgnames)) {
|
|
/* This may remove entries from arg_vgnames or vgnameids_on_system. */
|
|
ret = _resolve_duplicate_vgnames(cmd, &arg_vgnames, &vgnameids_on_system);
|
|
if (ret > ret_max)
|
|
ret_max = ret;
|
|
if (dm_list_empty(&arg_vgnames) && dm_list_empty(&arg_tags)) {
|
|
ret_max = ECMD_FAILED;
|
|
goto out;
|
|
}
|
|
}
|
|
|
|
if (dm_list_empty(&arg_vgnames) && dm_list_empty(&vgnameids_on_system)) {
|
|
/* FIXME Should be log_print, but suppressed for reporting cmds */
|
|
log_verbose("No volume groups found.");
|
|
ret_max = ECMD_PROCESSED;
|
|
goto out;
|
|
}
|
|
|
|
if (dm_list_empty(&arg_vgnames))
|
|
read_flags |= READ_OK_NOTFOUND;
|
|
|
|
/*
|
|
* When processing all VGs, vgnameids_on_system simply becomes
|
|
* vgnameids_to_process.
|
|
* When processing only specified VGs, then for each item in
|
|
* arg_vgnames, move the corresponding entry from
|
|
* vgnameids_on_system to vgnameids_to_process.
|
|
*/
|
|
if (process_all_vgs_on_system)
|
|
dm_list_splice(&vgnameids_to_process, &vgnameids_on_system);
|
|
else
|
|
_choose_vgs_to_process(cmd, &arg_vgnames, &vgnameids_on_system, &vgnameids_to_process);
|
|
|
|
ret = _process_lv_vgnameid_list(cmd, read_flags, &vgnameids_to_process, &arg_vgnames, &arg_lvnames,
|
|
&arg_tags, handle, process_single_lv);
|
|
|
|
if (ret > ret_max)
|
|
ret_max = ret;
|
|
out:
|
|
if (!handle_supplied)
|
|
destroy_processing_handle(cmd, handle);
|
|
|
|
return ret_max;
|
|
}
|
|
|
|
static int _get_arg_pvnames(struct cmd_context *cmd,
|
|
int argc, char **argv,
|
|
struct dm_list *arg_pvnames,
|
|
struct dm_list *arg_tags)
|
|
{
|
|
int opt = 0;
|
|
char *at_sign, *tagname;
|
|
char *arg_name;
|
|
int ret_max = ECMD_PROCESSED;
|
|
|
|
log_verbose("Using physical volume(s) on command line.");
|
|
|
|
for (; opt < argc; opt++) {
|
|
arg_name = argv[opt];
|
|
|
|
dm_unescape_colons_and_at_signs(arg_name, NULL, &at_sign);
|
|
if (at_sign && (at_sign == arg_name)) {
|
|
tagname = at_sign + 1;
|
|
|
|
if (!validate_tag(tagname)) {
|
|
log_error("Skipping invalid tag %s.", tagname);
|
|
if (ret_max < EINVALID_CMD_LINE)
|
|
ret_max = EINVALID_CMD_LINE;
|
|
continue;
|
|
}
|
|
if (!str_list_add(cmd->mem, arg_tags,
|
|
dm_pool_strdup(cmd->mem, tagname))) {
|
|
log_error("strlist allocation failed.");
|
|
return ECMD_FAILED;
|
|
}
|
|
continue;
|
|
}
|
|
|
|
if (!str_list_add(cmd->mem, arg_pvnames,
|
|
dm_pool_strdup(cmd->mem, arg_name))) {
|
|
log_error("strlist allocation failed.");
|
|
return ECMD_FAILED;
|
|
}
|
|
}
|
|
|
|
return ret_max;
|
|
}
|
|
|
|
static int _get_arg_devices(struct cmd_context *cmd,
|
|
struct dm_list *arg_pvnames,
|
|
struct dm_list *arg_devices)
|
|
{
|
|
struct dm_str_list *sl;
|
|
struct device_id_list *dil;
|
|
int ret_max = ECMD_PROCESSED;
|
|
|
|
dm_list_iterate_items(sl, arg_pvnames) {
|
|
if (!(dil = dm_pool_alloc(cmd->mem, sizeof(*dil)))) {
|
|
log_error("device_id_list alloc failed.");
|
|
return ECMD_FAILED;
|
|
}
|
|
|
|
if (!(dil->dev = dev_cache_get(sl->str, cmd->filter))) {
|
|
log_error("Failed to find device for physical volume \"%s\".", sl->str);
|
|
ret_max = ECMD_FAILED;
|
|
} else {
|
|
strncpy(dil->pvid, dil->dev->pvid, ID_LEN);
|
|
dm_list_add(arg_devices, &dil->list);
|
|
}
|
|
}
|
|
|
|
return ret_max;
|
|
}
|
|
|
|
static int _get_all_devices(struct cmd_context *cmd, struct dm_list *all_devices)
|
|
{
|
|
struct dev_iter *iter;
|
|
struct device *dev;
|
|
struct device_id_list *dil;
|
|
int r = ECMD_FAILED;
|
|
|
|
lvmcache_seed_infos_from_lvmetad(cmd);
|
|
|
|
if (!(iter = dev_iter_create(cmd->full_filter, 1))) {
|
|
log_error("dev_iter creation failed.");
|
|
return ECMD_FAILED;
|
|
}
|
|
|
|
while ((dev = dev_iter_get(iter))) {
|
|
if (!(dil = dm_pool_alloc(cmd->mem, sizeof(*dil)))) {
|
|
log_error("device_id_list alloc failed.");
|
|
goto out;
|
|
}
|
|
|
|
strncpy(dil->pvid, dev->pvid, ID_LEN);
|
|
dil->dev = dev;
|
|
dm_list_add(all_devices, &dil->list);
|
|
}
|
|
|
|
r = ECMD_PROCESSED;
|
|
out:
|
|
dev_iter_destroy(iter);
|
|
return r;
|
|
}
|
|
|
|
static int _device_list_remove(struct dm_list *devices, struct device *dev)
|
|
{
|
|
struct device_id_list *dil;
|
|
|
|
dm_list_iterate_items(dil, devices) {
|
|
if (dil->dev == dev) {
|
|
dm_list_del(&dil->list);
|
|
return 1;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static struct device_id_list *_device_list_find_dev(struct dm_list *devices, struct device *dev)
|
|
{
|
|
struct device_id_list *dil;
|
|
|
|
dm_list_iterate_items(dil, devices) {
|
|
if (dil->dev == dev)
|
|
return dil;
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
static struct device_id_list *_device_list_find_pvid(struct dm_list *devices, struct physical_volume *pv)
|
|
{
|
|
struct device_id_list *dil;
|
|
|
|
dm_list_iterate_items(dil, devices) {
|
|
if (id_equal((struct id *) dil->pvid, &pv->id))
|
|
return dil;
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
static int _device_list_copy(struct cmd_context *cmd, struct dm_list *src, struct dm_list *dst)
|
|
{
|
|
struct device_id_list *dil;
|
|
struct device_id_list *dil_new;
|
|
|
|
dm_list_iterate_items(dil, src) {
|
|
if (!(dil_new = dm_pool_alloc(cmd->mem, sizeof(*dil_new)))) {
|
|
log_error("device_id_list alloc failed.");
|
|
return ECMD_FAILED;
|
|
}
|
|
|
|
dil_new->dev = dil->dev;
|
|
strncpy(dil_new->pvid, dil->pvid, ID_LEN);
|
|
dm_list_add(dst, &dil_new->list);
|
|
}
|
|
|
|
return ECMD_PROCESSED;
|
|
}
|
|
|
|
/*
|
|
* For each device in arg_devices or all_devices that has a pvid, add a copy of
|
|
* that device to arg_missed. All PVs (devices with a pvid) should have been
|
|
* found while processing all VGs (including orphan VGs). But, some may have
|
|
* been missed if VGs were changing at the same time. This function creates a
|
|
* list of PVs that still remain in the given list, i.e. were missed the first
|
|
* time. A second iteration through VGs can look for these explicitly.
|
|
* (arg_devices is used if specific PVs are being processed; all_devices is
|
|
* used if all devs are being processed)
|
|
*/
|
|
static int _get_missed_pvs(struct cmd_context *cmd,
|
|
struct dm_list *devices,
|
|
struct dm_list *arg_missed)
|
|
{
|
|
struct device_id_list *dil;
|
|
struct device_id_list *dil_missed;
|
|
|
|
dm_list_iterate_items(dil, devices) {
|
|
if (!dil->pvid[0])
|
|
continue;
|
|
|
|
if (!(dil_missed = dm_pool_alloc(cmd->mem, sizeof(*dil_missed)))) {
|
|
log_error("device_id_list alloc failed.");
|
|
return ECMD_FAILED;
|
|
}
|
|
|
|
dil_missed->dev = dil->dev;
|
|
strncpy(dil_missed->pvid, dil->pvid, ID_LEN);
|
|
dm_list_add(arg_missed, &dil_missed->list);
|
|
}
|
|
|
|
return ECMD_PROCESSED;
|
|
}
|
|
|
|
static int _process_device_list(struct cmd_context *cmd, struct dm_list *all_devices,
|
|
struct processing_handle *handle,
|
|
process_single_pv_fn_t process_single_pv)
|
|
{
|
|
struct physical_volume pv_dummy;
|
|
struct physical_volume *pv;
|
|
struct device_id_list *dil;
|
|
int ret_max = ECMD_PROCESSED;
|
|
int ret = 0;
|
|
|
|
/*
|
|
* Pretend that each device is a PV with dummy values.
|
|
* FIXME Formalise this extension or find an alternative.
|
|
*/
|
|
dm_list_iterate_items(dil, all_devices) {
|
|
if (sigint_caught())
|
|
return_ECMD_FAILED;
|
|
|
|
memset(&pv_dummy, 0, sizeof(pv_dummy));
|
|
dm_list_init(&pv_dummy.tags);
|
|
dm_list_init(&pv_dummy.segments);
|
|
pv_dummy.dev = dil->dev;
|
|
pv = &pv_dummy;
|
|
|
|
log_very_verbose("Processing device %s.", dev_name(dil->dev));
|
|
|
|
ret = process_single_pv(cmd, NULL, pv, handle);
|
|
|
|
if (ret > ret_max)
|
|
ret_max = ret;
|
|
}
|
|
|
|
return ECMD_PROCESSED;
|
|
}
|
|
|
|
static int _process_pvs_in_vg(struct cmd_context *cmd,
|
|
struct volume_group *vg,
|
|
struct dm_list *all_devices,
|
|
struct dm_list *arg_devices,
|
|
struct dm_list *arg_tags,
|
|
int process_all_pvs,
|
|
int process_all_devices,
|
|
int skip,
|
|
struct processing_handle *handle,
|
|
process_single_pv_fn_t process_single_pv)
|
|
{
|
|
int handle_supplied = handle != NULL;
|
|
struct physical_volume *pv;
|
|
struct pv_list *pvl;
|
|
struct device_id_list *dil;
|
|
struct device *dev_orig;
|
|
const char *pv_name;
|
|
int selected;
|
|
int process_pv;
|
|
int dev_found;
|
|
int ret_max = ECMD_PROCESSED;
|
|
int ret = 0;
|
|
|
|
if (!handle && (!(handle = init_processing_handle(cmd)))) {
|
|
ret_max = ECMD_FAILED;
|
|
goto_out;
|
|
}
|
|
|
|
if (handle->internal_report_for_select && !handle->selection_handle &&
|
|
!init_selection_handle(cmd, handle, PVS)) {
|
|
ret_max = ECMD_FAILED;
|
|
goto_out;
|
|
}
|
|
|
|
dm_list_iterate_items(pvl, &vg->pvs) {
|
|
if (sigint_caught()) {
|
|
ret_max = ECMD_FAILED;
|
|
goto_out;
|
|
}
|
|
|
|
pv = pvl->pv;
|
|
pv_name = pv_dev_name(pv);
|
|
|
|
process_pv = process_all_pvs;
|
|
|
|
/* Remove each arg_devices entry as it is processed. */
|
|
|
|
if (!process_pv && !dm_list_empty(arg_devices) &&
|
|
(dil = _device_list_find_dev(arg_devices, pv->dev))) {
|
|
process_pv = 1;
|
|
_device_list_remove(arg_devices, dil->dev);
|
|
}
|
|
|
|
/* Select the PV if the device arg has the same pvid. */
|
|
|
|
if (!process_pv && !dm_list_empty(arg_devices) &&
|
|
(dil = _device_list_find_pvid(arg_devices, pv))) {
|
|
process_pv = 1;
|
|
_device_list_remove(arg_devices, dil->dev);
|
|
}
|
|
|
|
if (!process_pv && !dm_list_empty(arg_tags) &&
|
|
str_list_match_list(arg_tags, &pv->tags, NULL))
|
|
process_pv = 1;
|
|
|
|
process_pv = process_pv && select_match_pv(cmd, handle, vg, pv, &selected) && selected;
|
|
|
|
if (process_pv) {
|
|
if (skip)
|
|
log_verbose("Skipping PV %s in VG %s.", pv_name, vg->name);
|
|
else
|
|
log_very_verbose("Processing PV %s in VG %s.", pv_name, vg->name);
|
|
|
|
dev_found = _device_list_remove(all_devices, pv->dev);
|
|
|
|
/*
|
|
* FIXME PVs with no mdas may turn up in an orphan VG when
|
|
* not using lvmetad as well as their correct VG. They
|
|
* will be missing from all_devices the second time
|
|
* around but must not be processed twice or trigger a message.
|
|
*
|
|
* Missing PVs will also need processing even though they are
|
|
* not present in all_devices.
|
|
*/
|
|
if (!dev_found && !is_missing_pv(pv)) {
|
|
log_verbose("Skipping PV %s in VG %s: not in device list.", pv_name, vg->name);
|
|
continue;
|
|
}
|
|
|
|
if (!skip) {
|
|
ret = process_single_pv(cmd, vg, pv, handle);
|
|
if (ret != ECMD_PROCESSED)
|
|
stack;
|
|
if (ret > ret_max)
|
|
ret_max = ret;
|
|
}
|
|
|
|
/*
|
|
* We have processed the PV on device pv->dev. Now
|
|
* deal with any duplicates of this PV on other
|
|
* devices.
|
|
*/
|
|
|
|
/*
|
|
* This is a very rare and obscure case where multiple
|
|
* duplicate devices are specified on the command line
|
|
* referring to this PV. In this case we want to
|
|
* process this PV once for each specified device.
|
|
*/
|
|
if (!skip && !dm_list_empty(arg_devices)) {
|
|
while ((dil = _device_list_find_pvid(arg_devices, pv))) {
|
|
_device_list_remove(arg_devices, dil->dev);
|
|
|
|
/*
|
|
* Replace pv->dev with this dil->dev
|
|
* in lvmcache so the duplicate dev
|
|
* info will be reported. FIXME: it
|
|
* would be nicer to override pv->dev
|
|
* without munging lvmcache content.
|
|
*/
|
|
dev_orig = pv->dev;
|
|
lvmcache_replace_dev(cmd, pv, dil->dev);
|
|
|
|
log_very_verbose("Processing PV %s device %s in VG %s.",
|
|
pv_name, dev_name(dil->dev), vg->name);
|
|
|
|
ret = process_single_pv(cmd, vg, pv, handle);
|
|
if (ret != ECMD_PROCESSED)
|
|
stack;
|
|
if (ret > ret_max)
|
|
ret_max = ret;
|
|
|
|
/* Put the cache state back as it was. */
|
|
lvmcache_replace_dev(cmd, pv, dev_orig);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* This is another rare and obscure case where multiple
|
|
* duplicate devices are being displayed by pvs -a, and
|
|
* we want each of them to be displayed in the context
|
|
* of this VG, so that this VG name appears next to it.
|
|
*/
|
|
if (process_all_devices && lvmcache_found_duplicate_pvs()) {
|
|
while ((dil = _device_list_find_pvid(all_devices, pv))) {
|
|
_device_list_remove(all_devices, dil->dev);
|
|
|
|
dev_orig = pv->dev;
|
|
lvmcache_replace_dev(cmd, pv, dil->dev);
|
|
|
|
ret = process_single_pv(cmd, vg, pv, handle);
|
|
if (ret != ECMD_PROCESSED)
|
|
stack;
|
|
if (ret > ret_max)
|
|
ret_max = ret;
|
|
|
|
lvmcache_replace_dev(cmd, pv, dev_orig);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Remove any duplicates of the processed device from
|
|
* the list of all devices. If they were left in the
|
|
* list of all devices, they would be considered
|
|
* "missed" at the end.
|
|
*/
|
|
if (process_all_pvs && lvmcache_found_duplicate_pvs()) {
|
|
while ((dil = _device_list_find_pvid(all_devices, pv))) {
|
|
log_very_verbose("Skip duplicate device %s of processed device %s",
|
|
dev_name(dil->dev), dev_name(pv->dev));
|
|
_device_list_remove(all_devices, dil->dev);
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
* When processing only specific PVs, we can quit once they've all been found.
|
|
*/
|
|
if (!process_all_pvs && dm_list_empty(arg_tags) && dm_list_empty(arg_devices))
|
|
break;
|
|
}
|
|
out:
|
|
if (!handle_supplied)
|
|
destroy_processing_handle(cmd, handle);
|
|
return ret_max;
|
|
}
|
|
|
|
/*
|
|
* Iterate through all PVs in each listed VG. Process a PV if
|
|
* its dev or tag matches arg_devices or arg_tags. If both
|
|
* arg_devices and arg_tags are empty, then process all PVs.
|
|
* No PV should be processed more than once.
|
|
*
|
|
* Each PV is removed from arg_devices and all_devices when it is
|
|
* processed. Any names remaining in arg_devices were not found, and
|
|
* should produce an error. Any devices remaining in all_devices were
|
|
* not found and should be processed by process_device_list().
|
|
*/
|
|
static int _process_pvs_in_vgs(struct cmd_context *cmd, uint32_t read_flags,
|
|
struct dm_list *all_vgnameids,
|
|
struct dm_list *all_devices,
|
|
struct dm_list *arg_devices,
|
|
struct dm_list *arg_tags,
|
|
int process_all_pvs,
|
|
int process_all_devices,
|
|
struct processing_handle *handle,
|
|
process_single_pv_fn_t process_single_pv)
|
|
{
|
|
struct volume_group *vg;
|
|
struct vgnameid_list *vgnl;
|
|
const char *vg_name;
|
|
const char *vg_uuid;
|
|
uint32_t lockd_state = 0;
|
|
int ret_max = ECMD_PROCESSED;
|
|
int ret;
|
|
int skip;
|
|
int notfound;
|
|
|
|
dm_list_iterate_items(vgnl, all_vgnameids) {
|
|
if (sigint_caught())
|
|
return_ECMD_FAILED;
|
|
|
|
vg_name = vgnl->vg_name;
|
|
vg_uuid = vgnl->vgid;
|
|
skip = 0;
|
|
notfound = 0;
|
|
|
|
if (!lockd_vg(cmd, vg_name, NULL, 0, &lockd_state)) {
|
|
ret_max = ECMD_FAILED;
|
|
continue;
|
|
}
|
|
|
|
vg = vg_read(cmd, vg_name, vg_uuid, read_flags, lockd_state);
|
|
if (_ignore_vg(vg, vg_name, NULL, read_flags, &skip, ¬found)) {
|
|
stack;
|
|
ret_max = ECMD_FAILED;
|
|
if (!skip)
|
|
goto endvg;
|
|
/* Drop through to eliminate a clustered VG's PVs from the devices list */
|
|
}
|
|
if (notfound)
|
|
goto endvg;
|
|
|
|
/*
|
|
* Don't continue when skip is set, because we need to remove
|
|
* vg->pvs entries from devices list.
|
|
*/
|
|
|
|
ret = _process_pvs_in_vg(cmd, vg, all_devices, arg_devices, arg_tags,
|
|
process_all_pvs, process_all_devices, skip,
|
|
handle, process_single_pv);
|
|
if (ret != ECMD_PROCESSED)
|
|
stack;
|
|
if (ret > ret_max)
|
|
ret_max = ret;
|
|
|
|
if (!skip)
|
|
unlock_vg(cmd, vg->name);
|
|
endvg:
|
|
release_vg(vg);
|
|
if (!lockd_vg(cmd, vg_name, "un", 0, &lockd_state))
|
|
stack;
|
|
|
|
/* Quit early when possible. */
|
|
if (!process_all_pvs && dm_list_empty(arg_tags) && dm_list_empty(arg_devices))
|
|
return ret_max;
|
|
}
|
|
|
|
return ret_max;
|
|
}
|
|
|
|
int process_each_pv(struct cmd_context *cmd,
|
|
int argc, char **argv,
|
|
const char *only_this_vgname,
|
|
uint32_t read_flags,
|
|
struct processing_handle *handle,
|
|
process_single_pv_fn_t process_single_pv)
|
|
{
|
|
struct dm_list arg_tags; /* str_list */
|
|
struct dm_list arg_pvnames; /* str_list */
|
|
struct dm_list arg_devices; /* device_id_list */
|
|
struct dm_list arg_missed; /* device_id_list */
|
|
struct dm_list all_vgnameids; /* vgnameid_list */
|
|
struct dm_list all_devices; /* device_id_list */
|
|
struct device_id_list *dil;
|
|
int process_all_pvs;
|
|
int process_all_devices;
|
|
int ret_max = ECMD_PROCESSED;
|
|
int ret;
|
|
|
|
/*
|
|
* When processing a specific VG name, warn if it's inconsistent and
|
|
* print an error if it's not found. Otherwise we're processing all
|
|
* VGs, in which case the command doesn't care if the VG is inconsisent
|
|
* or not found; it just wants to skip that VG. (It may be not found
|
|
* if it was removed between creating the list of all VGs and then
|
|
* processing each VG.
|
|
*/
|
|
if (only_this_vgname)
|
|
read_flags |= READ_WARN_INCONSISTENT;
|
|
else
|
|
read_flags |= READ_OK_NOTFOUND;
|
|
|
|
/* Disable error in vg_read so we can print it from ignore_vg. */
|
|
cmd->vg_read_print_access_error = 0;
|
|
|
|
dm_list_init(&arg_tags);
|
|
dm_list_init(&arg_pvnames);
|
|
dm_list_init(&arg_devices);
|
|
dm_list_init(&arg_missed);
|
|
dm_list_init(&all_vgnameids);
|
|
dm_list_init(&all_devices);
|
|
|
|
/*
|
|
* Create two lists from argv:
|
|
* arg_pvnames: pvs explicitly named in argv
|
|
* arg_tags: tags explicitly named in argv
|
|
*
|
|
* Then convert arg_pvnames, which are free-form, user-specified,
|
|
* names/paths into arg_devices which can be used to match below.
|
|
*/
|
|
if ((ret = _get_arg_pvnames(cmd, argc, argv, &arg_pvnames, &arg_tags)) != ECMD_PROCESSED) {
|
|
stack;
|
|
return ret;
|
|
}
|
|
|
|
process_all_pvs = dm_list_empty(&arg_pvnames) && dm_list_empty(&arg_tags);
|
|
|
|
process_all_devices = process_all_pvs && (cmd->command->flags & ENABLE_ALL_DEVS) &&
|
|
arg_count(cmd, all_ARG);
|
|
|
|
/* Needed for a current listing of the global VG namespace. */
|
|
if (!only_this_vgname && !lockd_gl(cmd, "sh", 0))
|
|
return_ECMD_FAILED;
|
|
|
|
/*
|
|
* Need pvid's set on all PVs before processing so that pvid's
|
|
* can be compared to find duplicates while processing.
|
|
*/
|
|
lvmcache_seed_infos_from_lvmetad(cmd);
|
|
|
|
if (!get_vgnameids(cmd, &all_vgnameids, only_this_vgname, 1)) {
|
|
stack;
|
|
return ret;
|
|
}
|
|
|
|
/*
|
|
* If the caller wants to process all devices (not just PVs), then all PVs
|
|
* from all VGs are processed first, removing them from all_devices. Then
|
|
* any devs remaining in all_devices are processed.
|
|
*/
|
|
if ((ret = _get_all_devices(cmd, &all_devices) != ECMD_PROCESSED)) {
|
|
stack;
|
|
return ret;
|
|
}
|
|
|
|
if ((ret = _get_arg_devices(cmd, &arg_pvnames, &arg_devices)) != ECMD_PROCESSED)
|
|
/* get_arg_devices reports the error for any PV names not found. */
|
|
ret_max = ECMD_FAILED;
|
|
|
|
ret = _process_pvs_in_vgs(cmd, read_flags, &all_vgnameids, &all_devices,
|
|
&arg_devices, &arg_tags,
|
|
process_all_pvs, process_all_devices,
|
|
handle, process_single_pv);
|
|
if (ret != ECMD_PROCESSED)
|
|
stack;
|
|
if (ret > ret_max)
|
|
ret_max = ret;
|
|
|
|
/*
|
|
* Some PVs may have been missed by the first search if another command
|
|
* moved them at the same time. Repeat the search for only the
|
|
* specific PVs missed. lvmcache needs clearing for a fresh search.
|
|
*
|
|
* If missed PVs are found in this repeated search, they are removed
|
|
* from the arg_missed list, but they also need to be removed from the
|
|
* arg_devices list, otherwise the check at the end will produce an
|
|
* error, thinking they weren't found. This is the reason for saving
|
|
* and comparing the original arg_missed list.
|
|
*/
|
|
if (!process_all_pvs)
|
|
_get_missed_pvs(cmd, &arg_devices, &arg_missed);
|
|
else
|
|
_get_missed_pvs(cmd, &all_devices, &arg_missed);
|
|
|
|
if (!dm_list_empty(&arg_missed)) {
|
|
struct dm_list arg_missed_orig;
|
|
|
|
dm_list_init(&arg_missed_orig);
|
|
_device_list_copy(cmd, &arg_missed, &arg_missed_orig);
|
|
|
|
log_verbose("Some PVs were not found in first search, retrying.");
|
|
|
|
lvmcache_destroy(cmd, 0, 0);
|
|
if (!lvmcache_init()) {
|
|
log_error("Failed to initalize lvm cache.");
|
|
ret_max = ECMD_FAILED;
|
|
goto out;
|
|
}
|
|
lvmcache_seed_infos_from_lvmetad(cmd);
|
|
|
|
ret = _process_pvs_in_vgs(cmd, read_flags, &all_vgnameids, &all_devices,
|
|
&arg_missed, &arg_tags, 0, 0,
|
|
handle, process_single_pv);
|
|
if (ret != ECMD_PROCESSED)
|
|
stack;
|
|
if (ret > ret_max)
|
|
ret_max = ret;
|
|
|
|
/* Devices removed from arg_missed are removed from arg_devices. */
|
|
dm_list_iterate_items(dil, &arg_missed_orig) {
|
|
if (!_device_list_find_dev(&arg_missed, dil->dev))
|
|
_device_list_remove(&arg_devices, dil->dev);
|
|
}
|
|
}
|
|
|
|
dm_list_iterate_items(dil, &arg_devices) {
|
|
log_error("Failed to find physical volume \"%s\".", dev_name(dil->dev));
|
|
ret_max = ECMD_FAILED;
|
|
}
|
|
|
|
if (!process_all_devices)
|
|
goto out;
|
|
|
|
ret = _process_device_list(cmd, &all_devices, handle, process_single_pv);
|
|
if (ret != ECMD_PROCESSED)
|
|
stack;
|
|
if (ret > ret_max)
|
|
ret_max = ret;
|
|
out:
|
|
return ret_max;
|
|
}
|
|
|
|
int process_each_pv_in_vg(struct cmd_context *cmd, struct volume_group *vg,
|
|
struct processing_handle *handle,
|
|
process_single_pv_fn_t process_single_pv)
|
|
{
|
|
int whole_selected = 0;
|
|
int ret_max = ECMD_PROCESSED;
|
|
int ret;
|
|
struct pv_list *pvl;
|
|
|
|
dm_list_iterate_items(pvl, &vg->pvs) {
|
|
if (sigint_caught())
|
|
return_ECMD_FAILED;
|
|
|
|
ret = process_single_pv(cmd, vg, pvl->pv, handle);
|
|
_update_selection_result(handle, &whole_selected);
|
|
if (ret != ECMD_PROCESSED)
|
|
stack;
|
|
if (ret > ret_max)
|
|
ret_max = ret;
|
|
}
|
|
|
|
_set_final_selection_result(handle, whole_selected);
|
|
return ret_max;
|
|
}
|
|
|
|
int lvremove_single(struct cmd_context *cmd, struct logical_volume *lv,
|
|
struct processing_handle *handle __attribute__((unused)))
|
|
{
|
|
/*
|
|
* Single force is equivalent to single --yes
|
|
* Even multiple --yes are equivalent to single --force
|
|
* When we require -ff it cannot be replaced with -f -y
|
|
*/
|
|
force_t force = (force_t) arg_count(cmd, force_ARG)
|
|
? : (arg_is_set(cmd, yes_ARG) ? DONT_PROMPT : PROMPT);
|
|
|
|
if (!lv_remove_with_dependencies(cmd, lv, force, 0))
|
|
return_ECMD_FAILED;
|
|
|
|
return ECMD_PROCESSED;
|
|
}
|