kernel/async.c: remove async_unregister_domain()

[sfrench/cifs-2.6.git] / kernel / async.c

diff --git a/kernel/async.c b/kernel/async.c
index 4b59711429225f2715e17a4a8d53d5db8a7f4d15..b8d7a663497f9e9ea65507469a25fd5f252330bc 100644 (file)
--- a/kernel/async.c
+++ b/kernel/async.c
@@ -245,24 +245,6 @@ void async_synchronize_full(void)
 }
 EXPORT_SYMBOL_GPL(async_synchronize_full);
 
-/**
- * async_unregister_domain - ensure no more anonymous waiters on this domain
- * @domain: idle domain to flush out of any async_synchronize_full instances
- *
- * async_synchronize_{cookie|full}_domain() are not flushed since callers
- * of these routines should know the lifetime of @domain
- *
- * Prefer ASYNC_DOMAIN_EXCLUSIVE() declarations over flushing
- */
-void async_unregister_domain(struct async_domain *domain)
-{
-       spin_lock_irq(&async_lock);
-       WARN_ON(!domain->registered || !list_empty(&domain->pending));
-       domain->registered = 0;
-       spin_unlock_irq(&async_lock);
-}
-EXPORT_SYMBOL_GPL(async_unregister_domain);
-
 /**
  * async_synchronize_full_domain - synchronize all asynchronous function within a certain domain
  * @domain: the domain to synchronize