Thu, Mar 21, 2019 at 02:17:35PM CET, [email protected] wrote: >Extend flower filters with reference counting in order to remove dependency >on rtnl lock in flower ops and allow to modify filters concurrently. >Reference to flower filter can be taken/released concurrently as soon as it >is marked as 'unlocked' by last patch in this series. Use atomic reference >counter type to make concurrent modifications safe. > >Always take reference to flower filter while working with it: >- Modify fl_get() to take reference to filter. >- Implement tp->put() callback as fl_put() function to allow cls API to >release reference taken by fl_get(). >- Modify fl_change() to assume that caller holds reference to fold and take >reference to fnew. >- Take reference to filter while using it in fl_walk(). > >Implement helper functions to get/put filter reference counter. > >Signed-off-by: Vlad Buslov <[email protected]> >Reviewed-by: Stefano Brivio <[email protected]>
Acked-by: Jiri Pirko <[email protected]>
