Commit a3b3c562 authored by Eric W. Biederman's avatar Eric W. Biederman

mnt: Use hlist_move_list in namespace_unlock

Small cleanup to make the code more readable and maintainable.
Signed-off-by: default avatarEric Biederman <ebiederm@xmission.com>
parent e42391cd
...@@ -1298,17 +1298,15 @@ static HLIST_HEAD(unmounted); /* protected by namespace_sem */ ...@@ -1298,17 +1298,15 @@ static HLIST_HEAD(unmounted); /* protected by namespace_sem */
static void namespace_unlock(void) static void namespace_unlock(void)
{ {
struct hlist_head head = unmounted; struct hlist_head head;
if (likely(hlist_empty(&head))) { hlist_move_list(&unmounted, &head);
up_write(&namespace_sem);
return;
}
head.first->pprev = &head.first;
INIT_HLIST_HEAD(&unmounted);
up_write(&namespace_sem); up_write(&namespace_sem);
if (likely(hlist_empty(&head)))
return;
synchronize_rcu(); synchronize_rcu();
group_pin_kill(&head); group_pin_kill(&head);
......
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