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89 lines
2.4 KiB
C
89 lines
2.4 KiB
C
/*
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* Copyright (C) 2001-2004 Sistina Software, Inc. All rights reserved.
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* Copyright (C) 2004-2005 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 General Public License v.2.
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*
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* You should have received a copy of the GNU 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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static int lvscan_single(struct cmd_context *cmd, struct logical_volume *lv,
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void *handle)
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{
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struct lvinfo info;
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int lv_total = 0;
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uint64_t lv_capacity_total = 0;
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int inkernel, snap_active = 1;
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struct lv_segment *snap_seg = NULL;
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float snap_percent; /* fused, fsize; */
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const char *active_str, *snapshot_str;
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/* FIXME Avoid snapshot special-case */
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if (!arg_count(cmd, all_ARG) && !(lv->status & VISIBLE_LV) &&
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!(lv_is_cow(lv)))
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return ECMD_PROCESSED;
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inkernel = lv_info(cmd, lv, &info, 1) && info.exists;
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if (lv_is_origin(lv)) {
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list_iterate_items_gen(snap_seg, &lv->snapshot_segs,
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origin_list) {
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if (inkernel &&
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(snap_active = lv_snapshot_percent(snap_seg->cow,
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&snap_percent)))
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if (snap_percent < 0 || snap_percent >= 100)
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snap_active = 0;
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}
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snap_seg = NULL;
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} else if ((snap_seg = find_cow(lv))) {
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if (inkernel &&
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(snap_active = lv_snapshot_percent(snap_seg->cow,
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&snap_percent)))
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if (snap_percent < 0 || snap_percent >= 100)
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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("%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, SIZE_SHORT),
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get_alloc_string(lv->alloc));
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lv_total++;
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lv_capacity_total += lv->size;
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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 (argc) {
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log_error("No additional command line arguments allowed");
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return EINVALID_CMD_LINE;
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}
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return process_each_lv(cmd, argc, argv, LCK_VG_READ, NULL,
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&lvscan_single);
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}
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