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raid: fix name rotation

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Since we now keep lv names valid all the time (as they are part
of radix_tree) - there is a problem with this renaming code, that
for a moment used duplicated name in vg struct.

Fix it by interating LVs backwared - which avoids breaking consitency
and also actually makes code more simple.
This commit is contained in:
Zdenek Kabelac 2024-11-13 12:52:18 +01:00
parent cbfc31ee2b
commit c2f41c1a59
1 changed files with 7 additions and 14 deletions
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21
lib/metadata/raid_manip.c
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@ -2637,6 +2637,7 @@ static int _raid_add_images_without_commit(struct logical_volume *lv,
struct lv_list *lvl;
struct lv_segment_area *new_areas;
struct segment_type *segtype;
const char *lv_name, *lv_name_tmp;
if (lv_is_not_synced(lv)) {
log_error("Can't add image to out-of-sync RAID LV:"
@ -2704,22 +2705,14 @@ static int _raid_add_images_without_commit(struct logical_volume *lv,
* commits the LVM metadata before clearing the LVs.
*/
if (seg_is_linear(seg)) {
struct dm_list *l;
struct lv_list *lvl_tmp;
const char *lv_name;
if (!(lv_name = _generate_raid_name(lv, "rimage", count)))
return_0;
dm_list_iterate(l, &data_lvs) {
if (l == dm_list_last(&data_lvs)) {
lvl = dm_list_item(l, struct lv_list);
if (!(lv_name = _generate_raid_name(lv, "rimage", count)) ||
!lv_set_name(lvl->lv, lv_name))
return_0;
continue;
}
lvl = dm_list_item(l, struct lv_list);
lvl_tmp = dm_list_item(l->n, struct lv_list);
if (!lv_set_name(lvl->lv, lvl_tmp->lv->name))
dm_list_iterate_back_items(lvl, &data_lvs) {
lv_name_tmp = lvl->lv->name;
if (!lv_set_name(lvl->lv, lv_name))
return_0;
lv_name = lv_name_tmp; /* rotate name in list */
}
}