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metadata: format_text: import historical LVs

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Import historical LV list from metadata and add it to struct
volume_group's historical_lvs list.
This commit is contained in:
Peter Rajnoha 2016-03-01 15:54:02 +01:00
parent 54d3d976c7
commit a0842d1f25
1 changed files with 78 additions and 0 deletions
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78
lib/format_text/import_vsn1.c
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@ -699,6 +699,77 @@ static int _read_lvnames(struct format_instance *fid __attribute__((unused)),
return 1; return 1;
} }
static int _read_historical_lvnames(struct format_instance *fid __attribute__((unused)),
struct volume_group *vg, const struct dm_config_node *hlvn,
const struct dm_config_node *vgn __attribute__((unused)),
struct dm_hash_table *pv_hash __attribute__((unused)),
struct dm_hash_table *lv_hash __attribute__((unused)),
unsigned *scan_done_once __attribute__((unused)),
unsigned report_missing_devices __attribute__((unused)))
{
struct dm_pool *mem = vg->vgmem;
struct generic_logical_volume *glv;
struct glv_list *glvl;
const char *str;
uint64_t timestamp;
if (!(glv = dm_pool_zalloc(mem, sizeof(struct generic_logical_volume))) ||
!(glv->historical = dm_pool_zalloc(mem, sizeof(struct historical_logical_volume))) ||
!(glvl = dm_pool_zalloc(mem, sizeof(struct glv_list)))) {
log_error("Removed logical volume structure allocation failed");
goto bad;
}
glv->is_historical = 1;
glv->historical->vg = vg;
dm_list_init(&glv->historical->indirect_glvs);
if (!(glv->historical->name = dm_pool_strdup(mem, hlvn->key)))
goto_bad;
if (!(hlvn = hlvn->child)) {
log_error("Empty removed logical volume section.");
goto_bad;
}
if (!_read_id(&glv->historical->lvid.id[1], hlvn, "id")) {
log_error("Couldn't read uuid for removed logical volume %s in vg %s.",
glv->historical->name, vg->name);
return 0;
}
memcpy(&glv->historical->lvid.id[0], &glv->historical->vg->id, sizeof(glv->historical->lvid.id[0]));
if (dm_config_get_str(hlvn, "name", &str)) {
if (!(glv->historical->name = dm_pool_strdup(mem, str)))
goto_bad;
}
if (dm_config_has_node(hlvn, "creation_time")) {
if (!_read_uint64(hlvn, "creation_time", &timestamp)) {
log_error("Invalid creation_time for removed logical volume %s.", str);
goto bad;
}
glv->historical->timestamp = timestamp;
}
if (dm_config_has_node(hlvn, "removal_time")) {
if (!_read_uint64(hlvn, "removal_time", &timestamp)) {
log_error("Invalid removal_time for removed logical volume %s.", str);
goto bad;
}
glv->historical->timestamp_removed = timestamp;
}
glvl->glv = glv;
dm_list_add(&vg->historical_lvs, &glvl->list);
return 1;
bad:
if (glv)
dm_pool_free(mem, glv);
return 0;
}
static int _read_lvsegs(struct format_instance *fid, static int _read_lvsegs(struct format_instance *fid,
struct volume_group *vg, const struct dm_config_node *lvn, struct volume_group *vg, const struct dm_config_node *lvn,
const struct dm_config_node *vgn __attribute__((unused)), const struct dm_config_node *vgn __attribute__((unused)),
@ -982,6 +1053,13 @@ static struct volume_group *_read_vg(struct format_instance *fid,
goto bad; goto bad;
} }
if (!_read_sections(fid, "historical_logical_volumes", _read_historical_lvnames, vg,
vgn, pv_hash, lv_hash, 1, NULL)) {
log_error("Couldn't read all historical logical volumes for volume "
"group %s.", vg->name);
goto bad;
}
if (!_read_sections(fid, "logical_volumes", _read_lvsegs, vg, if (!_read_sections(fid, "logical_volumes", _read_lvsegs, vg,
vgn, pv_hash, lv_hash, 1, NULL)) { vgn, pv_hash, lv_hash, 1, NULL)) {
log_error("Couldn't read all logical volumes for " log_error("Couldn't read all logical volumes for "