mirror of
git://sourceware.org/git/lvm2.git
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1027 lines
27 KiB
C
1027 lines
27 KiB
C
/*
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* Copyright (C) 2002-2004 Sistina Software, Inc. All rights reserved.
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* Copyright (C) 2004-2009 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 "lib.h"
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#include "metadata.h"
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#include "report.h"
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#include "toolcontext.h"
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#include "lvm-string.h"
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#include "display.h"
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#include "activate.h"
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#include "segtype.h"
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#include "str_list.h"
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#include "lvmcache.h"
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#include <stddef.h> /* offsetof() */
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struct lvm_report_object {
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struct volume_group *vg;
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struct logical_volume *lv;
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struct physical_volume *pv;
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struct lv_segment *seg;
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struct pv_segment *pvseg;
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};
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static const uint64_t _minusone64 = UINT64_C(-1);
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static const int32_t _minusone32 = INT32_C(-1);
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/*
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* Data-munging functions to prepare each data type for display and sorting
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*/
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static int _string_disp(struct dm_report *rh, struct dm_pool *mem __attribute__((unused)),
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struct dm_report_field *field,
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const void *data, void *private __attribute__((unused)))
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{
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return dm_report_field_string(rh, field, (const char **) data);
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}
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static int _dev_name_disp(struct dm_report *rh, struct dm_pool *mem __attribute__((unused)),
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struct dm_report_field *field,
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const void *data, void *private __attribute__((unused)))
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{
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const char *name = dev_name(*(const struct device * const *) data);
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return dm_report_field_string(rh, field, &name);
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}
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static int _format_pvsegs(struct dm_pool *mem, struct dm_report_field *field,
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const void *data, int range_format)
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{
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const struct lv_segment *seg = (const struct lv_segment *) data;
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unsigned int s;
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const char *name = NULL;
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uint32_t extent = 0;
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char extent_str[32];
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if (!dm_pool_begin_object(mem, 256)) {
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log_error("dm_pool_begin_object failed");
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return 0;
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}
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for (s = 0; s < seg->area_count; s++) {
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switch (seg_type(seg, s)) {
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case AREA_LV:
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name = seg_lv(seg, s)->name;
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extent = seg_le(seg, s);
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break;
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case AREA_PV:
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name = dev_name(seg_dev(seg, s));
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extent = seg_pe(seg, s);
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break;
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case AREA_UNASSIGNED:
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name = "unassigned";
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extent = 0;
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}
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if (!dm_pool_grow_object(mem, name, strlen(name))) {
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log_error("dm_pool_grow_object failed");
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return 0;
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}
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if (dm_snprintf(extent_str, sizeof(extent_str),
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"%s%" PRIu32 "%s",
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range_format ? ":" : "(", extent,
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range_format ? "-" : ")") < 0) {
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log_error("Extent number dm_snprintf failed");
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return 0;
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}
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if (!dm_pool_grow_object(mem, extent_str, strlen(extent_str))) {
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log_error("dm_pool_grow_object failed");
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return 0;
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}
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if (range_format) {
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if (dm_snprintf(extent_str, sizeof(extent_str),
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"%" PRIu32, extent + seg->area_len - 1) < 0) {
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log_error("Extent number dm_snprintf failed");
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return 0;
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}
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if (!dm_pool_grow_object(mem, extent_str, strlen(extent_str))) {
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log_error("dm_pool_grow_object failed");
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return 0;
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}
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}
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if ((s != seg->area_count - 1) &&
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!dm_pool_grow_object(mem, range_format ? " " : ",", 1)) {
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log_error("dm_pool_grow_object failed");
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return 0;
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}
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}
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if (!dm_pool_grow_object(mem, "\0", 1)) {
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log_error("dm_pool_grow_object failed");
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return 0;
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}
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dm_report_field_set_value(field, dm_pool_end_object(mem), NULL);
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return 1;
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}
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static int _devices_disp(struct dm_report *rh __attribute__((unused)), struct dm_pool *mem,
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struct dm_report_field *field,
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const void *data, void *private __attribute__((unused)))
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{
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return _format_pvsegs(mem, field, data, 0);
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}
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static int _peranges_disp(struct dm_report *rh __attribute__((unused)), struct dm_pool *mem,
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struct dm_report_field *field,
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const void *data, void *private __attribute__((unused)))
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{
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return _format_pvsegs(mem, field, data, 1);
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}
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static int _tags_disp(struct dm_report *rh __attribute__((unused)), struct dm_pool *mem,
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struct dm_report_field *field,
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const void *data, void *private __attribute__((unused)))
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{
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const struct dm_list *tags = (const struct dm_list *) data;
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char *tags_str;
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if (!(tags_str = tags_format_and_copy(mem, tags)))
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return 0;
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dm_report_field_set_value(field, tags_str, NULL);
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return 1;
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}
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static int _modules_disp(struct dm_report *rh, struct dm_pool *mem,
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struct dm_report_field *field,
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const void *data, void *private)
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{
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const struct logical_volume *lv = (const struct logical_volume *) data;
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char *modules_str;
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if (!(modules_str = lv_modules_dup(mem, lv)))
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return 0;
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dm_report_field_set_value(field, modules_str, NULL);
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return 1;
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}
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static int _vgfmt_disp(struct dm_report *rh, struct dm_pool *mem,
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struct dm_report_field *field,
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const void *data, void *private)
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{
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const struct volume_group *vg = (const struct volume_group *) data;
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if (!vg->fid) {
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dm_report_field_set_value(field, "", NULL);
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return 1;
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}
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return _string_disp(rh, mem, field, &vg->fid->fmt->name, private);
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}
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static int _pvfmt_disp(struct dm_report *rh, struct dm_pool *mem,
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struct dm_report_field *field,
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const void *data, void *private)
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{
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const struct physical_volume *pv =
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(const struct physical_volume *) data;
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if (!pv->fmt) {
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dm_report_field_set_value(field, "", NULL);
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return 1;
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}
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return _string_disp(rh, mem, field, &pv->fmt->name, private);
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}
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static int _lvkmaj_disp(struct dm_report *rh, struct dm_pool *mem __attribute__((unused)),
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struct dm_report_field *field,
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const void *data, void *private __attribute__((unused)))
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{
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const struct logical_volume *lv = (const struct logical_volume *) data;
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int major;
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if ((major = lv_kernel_major(lv)) >= 0)
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return dm_report_field_int(rh, field, &major);
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return dm_report_field_int32(rh, field, &_minusone32);
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}
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static int _lvkmin_disp(struct dm_report *rh, struct dm_pool *mem __attribute__((unused)),
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struct dm_report_field *field,
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const void *data, void *private __attribute__((unused)))
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{
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const struct logical_volume *lv = (const struct logical_volume *) data;
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int minor;
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if ((minor = lv_kernel_minor(lv)) >= 0)
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return dm_report_field_int(rh, field, &minor);
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return dm_report_field_int32(rh, field, &_minusone32);
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}
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static int _lvstatus_disp(struct dm_report *rh __attribute__((unused)), struct dm_pool *mem,
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struct dm_report_field *field,
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const void *data, void *private __attribute__((unused)))
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{
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const struct logical_volume *lv = (const struct logical_volume *) data;
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char *repstr;
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if (!(repstr = lv_attr_dup(mem, lv)))
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return 0;
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dm_report_field_set_value(field, repstr, NULL);
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return 1;
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}
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static int _pvstatus_disp(struct dm_report *rh __attribute__((unused)), struct dm_pool *mem,
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struct dm_report_field *field,
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const void *data, void *private __attribute__((unused)))
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{
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const struct physical_volume *pv =
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(const struct physical_volume *) data;
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char *repstr;
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if (!(repstr = pv_attr_dup(mem, pv)))
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return 0;
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dm_report_field_set_value(field, repstr, NULL);
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return 1;
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}
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static int _vgstatus_disp(struct dm_report *rh __attribute__((unused)), struct dm_pool *mem,
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struct dm_report_field *field,
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const void *data, void *private __attribute__((unused)))
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{
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const struct volume_group *vg = (const struct volume_group *) data;
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char *repstr;
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if (!(repstr = vg_attr_dup(mem, vg)))
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return 0;
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dm_report_field_set_value(field, repstr, NULL);
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return 1;
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}
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static int _segtype_disp(struct dm_report *rh __attribute__((unused)),
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struct dm_pool *mem __attribute__((unused)),
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struct dm_report_field *field,
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const void *data, void *private __attribute__((unused)))
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{
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const struct lv_segment *seg = (const struct lv_segment *) data;
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char *name;
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name = lvseg_segtype_dup(seg);
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dm_report_field_set_value(field, name, NULL);
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return 1;
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}
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static int _loglv_disp(struct dm_report *rh, struct dm_pool *mem __attribute__((unused)),
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struct dm_report_field *field,
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const void *data, void *private __attribute__((unused)))
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{
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const struct logical_volume *lv = (const struct logical_volume *) data;
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const char *name;
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if ((name = lv_mirror_log_dup(mem, lv)))
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return dm_report_field_string(rh, field, &name);
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dm_report_field_set_value(field, "", NULL);
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return 1;
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}
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static int _lvname_disp(struct dm_report *rh, struct dm_pool *mem,
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struct dm_report_field *field,
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const void *data, void *private __attribute__((unused)))
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{
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const struct logical_volume *lv = (const struct logical_volume *) data;
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char *repstr, *lvname;
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size_t len;
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if (lv_is_visible(lv)) {
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repstr = lv->name;
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return dm_report_field_string(rh, field, (const char **) &repstr);
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}
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len = strlen(lv->name) + 3;
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if (!(repstr = dm_pool_zalloc(mem, len))) {
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log_error("dm_pool_alloc failed");
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return 0;
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}
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if (dm_snprintf(repstr, len, "[%s]", lv->name) < 0) {
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log_error("lvname snprintf failed");
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return 0;
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}
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if (!(lvname = dm_pool_strdup(mem, lv->name))) {
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log_error("dm_pool_strdup failed");
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return 0;
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}
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dm_report_field_set_value(field, repstr, lvname);
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return 1;
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}
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static int _lvpath_disp(struct dm_report *rh, struct dm_pool *mem,
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struct dm_report_field *field,
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const void *data, void *private __attribute__((unused)))
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{
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const struct logical_volume *lv = (const struct logical_volume *) data;
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char *repstr;
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if (!(repstr = lv_path_dup(mem, lv)))
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return 0;
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dm_report_field_set_value(field, repstr, NULL);
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return 1;
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}
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static int _origin_disp(struct dm_report *rh, struct dm_pool *mem,
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struct dm_report_field *field,
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const void *data, void *private)
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{
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const struct logical_volume *lv = (const struct logical_volume *) data;
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if (lv_is_cow(lv))
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return _lvname_disp(rh, mem, field, origin_from_cow(lv), private);
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dm_report_field_set_value(field, "", NULL);
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return 1;
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}
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static int _movepv_disp(struct dm_report *rh, struct dm_pool *mem __attribute__((unused)),
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struct dm_report_field *field,
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const void *data, void *private __attribute__((unused)))
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{
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const struct logical_volume *lv = (const struct logical_volume *) data;
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const char *name;
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if (!(name = lv_move_pv_dup(mem, lv)))
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dm_report_field_set_value(field, "", NULL);
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else
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return dm_report_field_string(rh, field, &name);
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return 1;
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}
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static int _convertlv_disp(struct dm_report *rh, struct dm_pool *mem __attribute__((unused)),
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struct dm_report_field *field,
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const void *data, void *private __attribute__((unused)))
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{
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const struct logical_volume *lv = (const struct logical_volume *) data;
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const char *name = NULL;
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name = lv_convert_lv_dup(mem, lv);
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if (name)
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return dm_report_field_string(rh, field, &name);
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dm_report_field_set_value(field, "", NULL);
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return 1;
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}
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static int _size32_disp(struct dm_report *rh __attribute__((unused)), struct dm_pool *mem,
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struct dm_report_field *field,
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const void *data, void *private)
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{
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const uint32_t size = *(const uint32_t *) data;
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const char *disp, *repstr;
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uint64_t *sortval;
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if (!*(disp = display_size_units(private, (uint64_t) size)))
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return_0;
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if (!(repstr = dm_pool_strdup(mem, disp))) {
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log_error("dm_pool_strdup failed");
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return 0;
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}
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if (!(sortval = dm_pool_alloc(mem, sizeof(uint64_t)))) {
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log_error("dm_pool_alloc failed");
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return 0;
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}
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*sortval = (const uint64_t) size;
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dm_report_field_set_value(field, repstr, sortval);
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return 1;
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}
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static int _size64_disp(struct dm_report *rh __attribute__((unused)),
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struct dm_pool *mem,
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struct dm_report_field *field,
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const void *data, void *private)
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{
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const uint64_t size = *(const uint64_t *) data;
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const char *disp, *repstr;
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uint64_t *sortval;
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if (!*(disp = display_size_units(private, size)))
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return_0;
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if (!(repstr = dm_pool_strdup(mem, disp))) {
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log_error("dm_pool_strdup failed");
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return 0;
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}
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if (!(sortval = dm_pool_alloc(mem, sizeof(uint64_t)))) {
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log_error("dm_pool_alloc failed");
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return 0;
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}
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*sortval = size;
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dm_report_field_set_value(field, repstr, sortval);
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return 1;
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}
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static int _lvreadahead_disp(struct dm_report *rh, struct dm_pool *mem,
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struct dm_report_field *field,
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const void *data, void *private __attribute__((unused)))
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{
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const struct logical_volume *lv = (const struct logical_volume *) data;
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if (lv->read_ahead == DM_READ_AHEAD_AUTO) {
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dm_report_field_set_value(field, "auto", &_minusone64);
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return 1;
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}
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return _size32_disp(rh, mem, field, &lv->read_ahead, private);
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}
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static int _lvkreadahead_disp(struct dm_report *rh, struct dm_pool *mem,
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struct dm_report_field *field,
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const void *data,
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void *private)
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{
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const struct logical_volume *lv = (const struct logical_volume *) data;
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uint32_t read_ahead;
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if ((read_ahead = lv_kernel_read_ahead(lv)) == UINT32_MAX)
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return dm_report_field_int32(rh, field, &_minusone32);
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return _size32_disp(rh, mem, field, &read_ahead, private);
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}
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static int _vgsize_disp(struct dm_report *rh, struct dm_pool *mem,
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struct dm_report_field *field,
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const void *data, void *private)
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{
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const struct volume_group *vg = (const struct volume_group *) data;
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uint64_t size;
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size = (uint64_t) vg_size(vg);
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return _size64_disp(rh, mem, field, &size, private);
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}
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static int _segstart_disp(struct dm_report *rh, struct dm_pool *mem,
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struct dm_report_field *field,
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const void *data, void *private)
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{
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const struct lv_segment *seg = (const struct lv_segment *) data;
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uint64_t start;
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start = lvseg_start(seg);
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return _size64_disp(rh, mem, field, &start, private);
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}
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static int _segstartpe_disp(struct dm_report *rh,
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struct dm_pool *mem __attribute__((unused)),
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struct dm_report_field *field,
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const void *data,
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void *private __attribute__((unused)))
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{
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const struct lv_segment *seg = (const struct lv_segment *) data;
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return dm_report_field_uint32(rh, field, &seg->le);
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}
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|
|
static int _segsize_disp(struct dm_report *rh, struct dm_pool *mem,
|
|
struct dm_report_field *field,
|
|
const void *data, void *private)
|
|
{
|
|
const struct lv_segment *seg = (const struct lv_segment *) data;
|
|
uint64_t size;
|
|
|
|
size = lvseg_size(seg);
|
|
|
|
return _size64_disp(rh, mem, field, &size, private);
|
|
}
|
|
|
|
static int _chunksize_disp(struct dm_report *rh, struct dm_pool *mem,
|
|
struct dm_report_field *field,
|
|
const void *data, void *private)
|
|
{
|
|
const struct lv_segment *seg = (const struct lv_segment *) data;
|
|
uint64_t size;
|
|
|
|
size = lvseg_chunksize(seg);
|
|
|
|
return _size64_disp(rh, mem, field, &size, private);
|
|
}
|
|
|
|
static int _originsize_disp(struct dm_report *rh, struct dm_pool *mem,
|
|
struct dm_report_field *field,
|
|
const void *data, void *private)
|
|
{
|
|
const struct logical_volume *lv = (const struct logical_volume *) data;
|
|
uint64_t size;
|
|
|
|
size = lv_origin_size(lv);
|
|
|
|
return _size64_disp(rh, mem, field, &size, private);
|
|
}
|
|
|
|
static int _pvused_disp(struct dm_report *rh, struct dm_pool *mem,
|
|
struct dm_report_field *field,
|
|
const void *data, void *private)
|
|
{
|
|
const struct physical_volume *pv =
|
|
(const struct physical_volume *) data;
|
|
uint64_t used;
|
|
|
|
used = pv_used(pv);
|
|
|
|
return _size64_disp(rh, mem, field, &used, private);
|
|
}
|
|
|
|
static int _pvfree_disp(struct dm_report *rh, struct dm_pool *mem,
|
|
struct dm_report_field *field,
|
|
const void *data, void *private)
|
|
{
|
|
const struct physical_volume *pv =
|
|
(const struct physical_volume *) data;
|
|
uint64_t freespace;
|
|
|
|
freespace = pv_free(pv);
|
|
|
|
return _size64_disp(rh, mem, field, &freespace, private);
|
|
}
|
|
|
|
static int _pvsize_disp(struct dm_report *rh, struct dm_pool *mem,
|
|
struct dm_report_field *field,
|
|
const void *data, void *private)
|
|
{
|
|
const struct physical_volume *pv =
|
|
(const struct physical_volume *) data;
|
|
uint64_t size;
|
|
|
|
size = pv_size_field(pv);
|
|
|
|
return _size64_disp(rh, mem, field, &size, private);
|
|
}
|
|
|
|
static int _devsize_disp(struct dm_report *rh, struct dm_pool *mem,
|
|
struct dm_report_field *field,
|
|
const void *data, void *private)
|
|
{
|
|
const struct physical_volume *pv =
|
|
(const struct physical_volume *) data;
|
|
uint64_t size;
|
|
|
|
size = pv_dev_size(pv);
|
|
|
|
return _size64_disp(rh, mem, field, &size, private);
|
|
}
|
|
|
|
static int _vgfree_disp(struct dm_report *rh, struct dm_pool *mem,
|
|
struct dm_report_field *field,
|
|
const void *data, void *private)
|
|
{
|
|
const struct volume_group *vg = (const struct volume_group *) data;
|
|
uint64_t freespace;
|
|
|
|
freespace = (uint64_t) vg_free(vg);
|
|
|
|
return _size64_disp(rh, mem, field, &freespace, private);
|
|
}
|
|
|
|
static int _uuid_disp(struct dm_report *rh __attribute__((unused)), struct dm_pool *mem,
|
|
struct dm_report_field *field,
|
|
const void *data, void *private __attribute__((unused)))
|
|
{
|
|
char *repstr = NULL;
|
|
|
|
if (!(repstr = id_format_and_copy(mem, (struct id *)data)))
|
|
return_0;
|
|
|
|
dm_report_field_set_value(field, repstr, NULL);
|
|
return 1;
|
|
}
|
|
|
|
static int _uint32_disp(struct dm_report *rh, struct dm_pool *mem __attribute__((unused)),
|
|
struct dm_report_field *field,
|
|
const void *data, void *private __attribute__((unused)))
|
|
{
|
|
return dm_report_field_uint32(rh, field, data);
|
|
}
|
|
|
|
static int _int32_disp(struct dm_report *rh, struct dm_pool *mem __attribute__((unused)),
|
|
struct dm_report_field *field,
|
|
const void *data, void *private __attribute__((unused)))
|
|
{
|
|
return dm_report_field_int32(rh, field, data);
|
|
}
|
|
|
|
static int _pvmdas_disp(struct dm_report *rh, struct dm_pool *mem,
|
|
struct dm_report_field *field,
|
|
const void *data, void *private)
|
|
{
|
|
uint32_t count;
|
|
const struct physical_volume *pv =
|
|
(const struct physical_volume *) data;
|
|
|
|
count = pv_mda_count(pv);
|
|
|
|
return _uint32_disp(rh, mem, field, &count, private);
|
|
}
|
|
|
|
static int _pvmdasused_disp(struct dm_report *rh, struct dm_pool *mem,
|
|
struct dm_report_field *field,
|
|
const void *data, void *private)
|
|
{
|
|
uint32_t count;
|
|
const struct physical_volume *pv =
|
|
(const struct physical_volume *) data;
|
|
|
|
count = pv_mda_used_count(pv);
|
|
|
|
return _uint32_disp(rh, mem, field, &count, private);
|
|
}
|
|
|
|
static int _vgmdas_disp(struct dm_report *rh, struct dm_pool *mem,
|
|
struct dm_report_field *field,
|
|
const void *data, void *private)
|
|
{
|
|
const struct volume_group *vg = (const struct volume_group *) data;
|
|
uint32_t count;
|
|
|
|
count = vg_mda_count(vg);
|
|
|
|
return _uint32_disp(rh, mem, field, &count, private);
|
|
}
|
|
|
|
static int _vgmdasused_disp(struct dm_report *rh, struct dm_pool *mem,
|
|
struct dm_report_field *field,
|
|
const void *data, void *private)
|
|
{
|
|
const struct volume_group *vg = (const struct volume_group *) data;
|
|
uint32_t count;
|
|
|
|
count = vg_mda_used_count(vg);
|
|
|
|
return _uint32_disp(rh, mem, field, &count, private);
|
|
}
|
|
|
|
static int _vgmdacopies_disp(struct dm_report *rh, struct dm_pool *mem,
|
|
struct dm_report_field *field,
|
|
const void *data, void *private)
|
|
{
|
|
const struct volume_group *vg = (const struct volume_group *) data;
|
|
uint32_t count;
|
|
|
|
count = vg_mda_copies(vg);
|
|
|
|
if (count == VGMETADATACOPIES_UNMANAGED) {
|
|
dm_report_field_set_value(field, "unmanaged", &_minusone64);
|
|
return 1;
|
|
}
|
|
|
|
return _uint32_disp(rh, mem, field, &count, private);
|
|
}
|
|
|
|
static int _pvmdafree_disp(struct dm_report *rh, struct dm_pool *mem,
|
|
struct dm_report_field *field,
|
|
const void *data, void *private)
|
|
{
|
|
const struct physical_volume *pv =
|
|
(const struct physical_volume *) data;
|
|
uint64_t freespace;
|
|
|
|
freespace = pv_mda_free(pv);
|
|
|
|
return _size64_disp(rh, mem, field, &freespace, private);
|
|
}
|
|
|
|
static int _pvmdasize_disp(struct dm_report *rh, struct dm_pool *mem,
|
|
struct dm_report_field *field,
|
|
const void *data, void *private)
|
|
{
|
|
const struct physical_volume *pv =
|
|
(const struct physical_volume *) data;
|
|
uint64_t min_mda_size;
|
|
|
|
min_mda_size = pv_mda_size(pv);
|
|
|
|
return _size64_disp(rh, mem, field, &min_mda_size, private);
|
|
}
|
|
|
|
static int _vgmdasize_disp(struct dm_report *rh, struct dm_pool *mem,
|
|
struct dm_report_field *field,
|
|
const void *data, void *private)
|
|
{
|
|
const struct volume_group *vg = (const struct volume_group *) data;
|
|
uint64_t min_mda_size;
|
|
|
|
min_mda_size = vg_mda_size(vg);
|
|
|
|
return _size64_disp(rh, mem, field, &min_mda_size, private);
|
|
}
|
|
|
|
static int _vgmdafree_disp(struct dm_report *rh, struct dm_pool *mem,
|
|
struct dm_report_field *field,
|
|
const void *data, void *private)
|
|
{
|
|
const struct volume_group *vg = (const struct volume_group *) data;
|
|
uint64_t freespace;
|
|
|
|
freespace = vg_mda_free(vg);
|
|
|
|
return _size64_disp(rh, mem, field, &freespace, private);
|
|
}
|
|
|
|
static int _lvcount_disp(struct dm_report *rh, struct dm_pool *mem,
|
|
struct dm_report_field *field,
|
|
const void *data, void *private)
|
|
{
|
|
const struct volume_group *vg = (const struct volume_group *) data;
|
|
uint32_t count;
|
|
|
|
count = vg_visible_lvs(vg);
|
|
|
|
return _uint32_disp(rh, mem, field, &count, private);
|
|
}
|
|
|
|
static int _lvsegcount_disp(struct dm_report *rh, struct dm_pool *mem,
|
|
struct dm_report_field *field,
|
|
const void *data, void *private)
|
|
{
|
|
const struct logical_volume *lv = (const struct logical_volume *) data;
|
|
uint32_t count;
|
|
|
|
count = dm_list_size(&lv->segments);
|
|
|
|
return _uint32_disp(rh, mem, field, &count, private);
|
|
}
|
|
|
|
static int _snapcount_disp(struct dm_report *rh, struct dm_pool *mem,
|
|
struct dm_report_field *field,
|
|
const void *data, void *private)
|
|
{
|
|
const struct volume_group *vg = (const struct volume_group *) data;
|
|
uint32_t count;
|
|
|
|
count = snapshot_count(vg);
|
|
|
|
return _uint32_disp(rh, mem, field, &count, private);
|
|
}
|
|
|
|
static int _snpercent_disp(struct dm_report *rh __attribute__((unused)), struct dm_pool *mem,
|
|
struct dm_report_field *field,
|
|
const void *data, void *private __attribute__((unused)))
|
|
{
|
|
const struct logical_volume *lv = (const struct logical_volume *) data;
|
|
struct lvinfo info;
|
|
percent_t snap_percent;
|
|
uint64_t *sortval;
|
|
char *repstr;
|
|
|
|
/* Suppress snapshot percentage if not using driver */
|
|
if (!activation()) {
|
|
dm_report_field_set_value(field, "", NULL);
|
|
return 1;
|
|
}
|
|
|
|
if (!(sortval = dm_pool_alloc(mem, sizeof(uint64_t)))) {
|
|
log_error("dm_pool_alloc failed");
|
|
return 0;
|
|
}
|
|
|
|
if ((!lv_is_cow(lv) && !lv_is_merging_origin(lv)) ||
|
|
!lv_info(lv->vg->cmd, lv, 0, &info, 0, 0) || !info.exists) {
|
|
*sortval = UINT64_C(0);
|
|
dm_report_field_set_value(field, "", sortval);
|
|
return 1;
|
|
}
|
|
|
|
if (!lv_snapshot_percent(lv, &snap_percent) ||
|
|
(snap_percent == PERCENT_INVALID)) {
|
|
if (!lv_is_merging_origin(lv)) {
|
|
*sortval = UINT64_C(100);
|
|
dm_report_field_set_value(field, "100.00", sortval);
|
|
} else {
|
|
/* onactivate merge that hasn't started yet would
|
|
* otherwise display incorrect snap% in origin
|
|
*/
|
|
*sortval = UINT64_C(0);
|
|
dm_report_field_set_value(field, "", sortval);
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
if (!(repstr = dm_pool_zalloc(mem, 8))) {
|
|
log_error("dm_pool_alloc failed");
|
|
return 0;
|
|
}
|
|
|
|
if (dm_snprintf(repstr, 7, "%.2f", percent_to_float(snap_percent)) < 0) {
|
|
log_error("snapshot percentage too large");
|
|
return 0;
|
|
}
|
|
|
|
*sortval = (uint64_t)(snap_percent * 1000.f);
|
|
dm_report_field_set_value(field, repstr, sortval);
|
|
|
|
return 1;
|
|
}
|
|
|
|
static int _copypercent_disp(struct dm_report *rh __attribute__((unused)),
|
|
struct dm_pool *mem,
|
|
struct dm_report_field *field,
|
|
const void *data, void *private __attribute__((unused)))
|
|
{
|
|
struct logical_volume *lv = (struct logical_volume *) data;
|
|
percent_t percent;
|
|
uint64_t *sortval;
|
|
char *repstr;
|
|
|
|
if (!(sortval = dm_pool_alloc(mem, sizeof(uint64_t)))) {
|
|
log_error("dm_pool_alloc failed");
|
|
return 0;
|
|
}
|
|
|
|
if ((!(lv->status & PVMOVE) && !(lv->status & MIRRORED)) ||
|
|
!lv_mirror_percent(lv->vg->cmd, lv, 0, &percent,
|
|
NULL) || (percent == PERCENT_INVALID)) {
|
|
*sortval = UINT64_C(0);
|
|
dm_report_field_set_value(field, "", sortval);
|
|
return 1;
|
|
}
|
|
|
|
percent = copy_percent(lv);
|
|
|
|
if (!(repstr = dm_pool_zalloc(mem, 8))) {
|
|
log_error("dm_pool_alloc failed");
|
|
return 0;
|
|
}
|
|
|
|
if (dm_snprintf(repstr, 7, "%.2f", percent_to_float(percent)) < 0) {
|
|
log_error("copy percentage too large");
|
|
return 0;
|
|
}
|
|
|
|
*sortval = (uint64_t)(percent * 1000.f);
|
|
dm_report_field_set_value(field, repstr, sortval);
|
|
|
|
return 1;
|
|
}
|
|
|
|
/* Report object types */
|
|
|
|
/* necessary for displaying something for PVs not belonging to VG */
|
|
static struct format_instance _dummy_fid = {
|
|
.metadata_areas_in_use = { &(_dummy_fid.metadata_areas_in_use), &(_dummy_fid.metadata_areas_in_use) },
|
|
.metadata_areas_ignored = { &(_dummy_fid.metadata_areas_ignored), &(_dummy_fid.metadata_areas_ignored) },
|
|
};
|
|
|
|
static struct volume_group _dummy_vg = {
|
|
.fid = &_dummy_fid,
|
|
.name = (char *) "",
|
|
.system_id = (char *) "",
|
|
.pvs = { &(_dummy_vg.pvs), &(_dummy_vg.pvs) },
|
|
.lvs = { &(_dummy_vg.lvs), &(_dummy_vg.lvs) },
|
|
.tags = { &(_dummy_vg.tags), &(_dummy_vg.tags) },
|
|
};
|
|
|
|
static void *_obj_get_vg(void *obj)
|
|
{
|
|
struct volume_group *vg = ((struct lvm_report_object *)obj)->vg;
|
|
|
|
return vg ? vg : &_dummy_vg;
|
|
}
|
|
|
|
static void *_obj_get_lv(void *obj)
|
|
{
|
|
return ((struct lvm_report_object *)obj)->lv;
|
|
}
|
|
|
|
static void *_obj_get_pv(void *obj)
|
|
{
|
|
return ((struct lvm_report_object *)obj)->pv;
|
|
}
|
|
|
|
static void *_obj_get_seg(void *obj)
|
|
{
|
|
return ((struct lvm_report_object *)obj)->seg;
|
|
}
|
|
|
|
static void *_obj_get_pvseg(void *obj)
|
|
{
|
|
return ((struct lvm_report_object *)obj)->pvseg;
|
|
}
|
|
|
|
static const struct dm_report_object_type _report_types[] = {
|
|
{ VGS, "Volume Group", "vg_", _obj_get_vg },
|
|
{ LVS, "Logical Volume", "lv_", _obj_get_lv },
|
|
{ PVS, "Physical Volume", "pv_", _obj_get_pv },
|
|
{ LABEL, "Physical Volume Label", "pv_", _obj_get_pv },
|
|
{ SEGS, "Logical Volume Segment", "seg_", _obj_get_seg },
|
|
{ PVSEGS, "Physical Volume Segment", "pvseg_", _obj_get_pvseg },
|
|
{ 0, "", "", NULL },
|
|
};
|
|
|
|
/*
|
|
* Import column definitions
|
|
*/
|
|
|
|
#define STR DM_REPORT_FIELD_TYPE_STRING
|
|
#define NUM DM_REPORT_FIELD_TYPE_NUMBER
|
|
#define FIELD(type, strct, sorttype, head, field, width, func, id, desc, writeable) \
|
|
{type, sorttype, offsetof(type_ ## strct, field), width, \
|
|
#id, head, &_ ## func ## _disp, desc},
|
|
|
|
typedef struct physical_volume type_pv;
|
|
typedef struct logical_volume type_lv;
|
|
typedef struct volume_group type_vg;
|
|
typedef struct lv_segment type_seg;
|
|
typedef struct pv_segment type_pvseg;
|
|
|
|
static const struct dm_report_field_type _fields[] = {
|
|
#include "columns.h"
|
|
{0, 0, 0, 0, "", "", NULL, NULL},
|
|
};
|
|
|
|
#undef STR
|
|
#undef NUM
|
|
#undef FIELD
|
|
|
|
void *report_init(struct cmd_context *cmd, const char *format, const char *keys,
|
|
report_type_t *report_type, const char *separator,
|
|
int aligned, int buffered, int headings, int field_prefixes,
|
|
int quoted, int columns_as_rows)
|
|
{
|
|
uint32_t report_flags = 0;
|
|
void *rh;
|
|
|
|
if (aligned)
|
|
report_flags |= DM_REPORT_OUTPUT_ALIGNED;
|
|
|
|
if (buffered)
|
|
report_flags |= DM_REPORT_OUTPUT_BUFFERED;
|
|
|
|
if (headings)
|
|
report_flags |= DM_REPORT_OUTPUT_HEADINGS;
|
|
|
|
if (field_prefixes)
|
|
report_flags |= DM_REPORT_OUTPUT_FIELD_NAME_PREFIX;
|
|
|
|
if (!quoted)
|
|
report_flags |= DM_REPORT_OUTPUT_FIELD_UNQUOTED;
|
|
|
|
if (columns_as_rows)
|
|
report_flags |= DM_REPORT_OUTPUT_COLUMNS_AS_ROWS;
|
|
|
|
rh = dm_report_init(report_type, _report_types, _fields, format,
|
|
separator, report_flags, keys, cmd);
|
|
|
|
if (rh && field_prefixes)
|
|
dm_report_set_output_field_name_prefix(rh, "lvm2_");
|
|
|
|
return rh;
|
|
}
|
|
|
|
/*
|
|
* Create a row of data for an object
|
|
*/
|
|
int report_object(void *handle, struct volume_group *vg,
|
|
struct logical_volume *lv, struct physical_volume *pv,
|
|
struct lv_segment *seg, struct pv_segment *pvseg)
|
|
{
|
|
struct lvm_report_object obj;
|
|
|
|
/* The two format fields might as well match. */
|
|
if (!vg && pv)
|
|
_dummy_fid.fmt = pv->fmt;
|
|
|
|
obj.vg = vg;
|
|
obj.lv = lv;
|
|
obj.pv = pv;
|
|
obj.seg = seg;
|
|
obj.pvseg = pvseg;
|
|
|
|
return dm_report_object(handle, &obj);
|
|
}
|