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lv_manip: handle lv rename to keep lv_names up-to-date

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This commit is contained in:
Zdenek Kabelac 2024-10-15 11:22:03 +02:00
parent a66a09696f
commit c87828ae7e
1 changed files with 24 additions and 2 deletions
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26
lib/metadata/lv_manip.c
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@ -4634,6 +4634,26 @@ out:
return r;
}
static int _rename_single_lv_names(struct logical_volume *lv, const char *new_name)
{
if (lv->vg->lv_names &&
!radix_tree_remove(lv->vg->lv_names, lv->name, strlen(lv->name))) {
log_error("Cannot remove from lv_names LV %s", lv->name);
return 0;
}
lv->name = new_name;
if (lv->vg->lv_names &&
!radix_tree_insert_ptr(lv->vg->lv_names, lv->name, strlen(lv->name), lv)) {
log_error("Cannot insert to lv_names LV %s", lv->name);
return 0;
}
return 1;
}
/*
* Minimal LV renaming function.
* Metadata transaction should be made by caller.
@ -4656,7 +4676,8 @@ static int _rename_single_lv(struct logical_volume *lv, char *new_name)
return 0;
}
lv->name = new_name;
if (!_rename_single_lv_names(lv, new_name))
return_0;
return 1;
}
@ -4879,7 +4900,8 @@ int lv_rename_update(struct cmd_context *cmd, struct logical_volume *lv,
return_0;
/* rename main LV */
lv->name = lv_names.new;
if (!_rename_single_lv_names(lv, lv_names.new))
return_0;
if (lv_is_cow(lv))
lv = origin_from_cow(lv);