Artem Savkov <asav...@redhat.com> wrote: > fscache_objlist_config doesn't hold rkey->sem when calling user_key_payload, > that can result in a "suspicious RCU usage" warning. It does hold > rcu_read_lock, so it either needs to use unprotected rcu_dereference, > or take rkey->sem instead of rcu_read_lock.
It shouldn't take key->sem. The RCU lock should be necessary as user_key_payload() wraps a call to rcu_dereference(). Did you encounter a lockdep report or did you visually inspect this? David
