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117160b27e
Native disk scanning is now both reduced and async/parallel, which makes it comparable in performance (and often faster) when compared to lvm using lvmetad. Autoactivation now uses local temp files to record online PVs, and no longer requires lvmetad. There should be no apparent command-level change in behavior.
68 lines
1.9 KiB
C
68 lines
1.9 KiB
C
/*
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* Copyright (C) 2001-2004 Sistina Software, Inc. All rights reserved.
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* Copyright (C) 2004-2006 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "tools.h"
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static int _lvscan_single(struct cmd_context *cmd, struct logical_volume *lv,
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struct processing_handle *handle __attribute__((unused)))
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{
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struct lvinfo info;
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int inkernel, snap_active = 1;
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dm_percent_t snap_percent; /* fused, fsize; */
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const char *active_str, *snapshot_str;
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if (!arg_is_set(cmd, all_ARG) && !lv_is_visible(lv))
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return ECMD_PROCESSED;
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inkernel = lv_info(cmd, lv, 0, &info, 0, 0) && info.exists;
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if (lv_is_cow(lv)) {
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if (inkernel &&
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(snap_active = lv_snapshot_percent(lv, &snap_percent)))
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if (snap_percent == DM_PERCENT_INVALID)
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snap_active = 0;
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}
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/* FIXME Add -D arg to skip this! */
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if (inkernel && snap_active)
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active_str = "ACTIVE ";
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else
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active_str = "inactive ";
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if (lv_is_origin(lv))
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snapshot_str = "Original";
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else if (lv_is_cow(lv))
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snapshot_str = "Snapshot";
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else
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snapshot_str = " ";
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log_print_unless_silent("%s%s '%s%s/%s' [%s] %s", active_str, snapshot_str,
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cmd->dev_dir, lv->vg->name, lv->name,
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display_size(cmd, lv->size),
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get_alloc_string(lv->alloc));
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return ECMD_PROCESSED;
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}
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int lvscan(struct cmd_context *cmd, int argc, char **argv)
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{
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if (arg_is_set(cmd, cache_long_ARG)) {
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log_warn("Ignoring lvscan --cache because lvmetad is no longer used.");
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return ECMD_PROCESSED;
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}
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return process_each_lv(cmd, argc, argv, NULL, NULL, 0, NULL, NULL, &_lvscan_single);
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}
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