[v1,net-next,0/6] af_unix: GC cleanup and optimisation

Message

Kuniyuki Iwashima May 3, 2024, 10:31 p.m. UTC

The first patch removes a small race introduced by commit 1af2dface5d2
("af_unix: Don't access successor in unix_del_edges() during GC.").

Other patches clean up GC and optimise it so that we no longer schedule
it if we know that no loop exists in the inflight graph.


Kuniyuki Iwashima (6):
  af_unix: Add dead flag to struct scm_fp_list.
  af_unix: Save the number of loops in inflight graph.
  af_unix: Manage inflight graph state as unix_graph_state.
  af_unix: Move wait_for_unix_gc() to unix_prepare_fpl().
  af_unix: Schedule GC based on graph state during sendmsg().
  af_unix: Schedule GC only if loop exists during close().

 include/net/af_unix.h |   4 +-
 include/net/scm.h     |   1 +
 net/core/scm.c        |   1 +
 net/unix/af_unix.c    |   7 +--
 net/unix/garbage.c    | 117 ++++++++++++++++++++++++++----------------
 5 files changed, 76 insertions(+), 54 deletions(-)