static int loopback_points_list_detach(MountPoint **head, bool *changed) {
MountPoint *m, *n;
- int n_failed = 0;
+ int n_failed = 0, k;
+ struct stat root_st;
assert(head);
+ k = lstat("/", &root_st);
+
LIST_FOREACH_SAFE(mount_point, m, n, *head) {
int r;
+ struct stat loopback_st;
+
+ if (k >= 0 &&
+ major(root_st.st_dev) != 0 &&
+ lstat(m->path, &loopback_st) >= 0 &&
+ root_st.st_dev == loopback_st.st_rdev) {
+ n_failed ++;
+ continue;
+ }
if ((r = delete_loopback(m->path)) >= 0) {
static int dm_points_list_detach(MountPoint **head, bool *changed) {
MountPoint *m, *n;
- int n_failed = 0;
+ int n_failed = 0, k;
+ struct stat root_st;
assert(head);
+ k = lstat("/", &root_st);
+
LIST_FOREACH_SAFE(mount_point, m, n, *head) {
int r;
+ if (k >= 0 &&
+ major(root_st.st_dev) != 0 &&
+ root_st.st_dev == m->devnum) {
+ n_failed ++;
+ continue;
+ }
+
if ((r = delete_dm(m->devnum)) >= 0) {
if (r > 0 && changed)