[PATCH 0/8] Assorted rhashtable fixes and cleanups

[NeilBrown <neilb@suse.com>]

This series contains some bugfixes, mostly minor though one
is worthy of a stable backport I think - tagged with Fixes and Cc: stable.

Then there are improvements to walking, which have been discussed
to some degree already.
Finally a code simplification which I think is correct...

Thanks,
NeilBrown

---

NeilBrown (8):
      rhashtable: silence RCU warning in rhashtable_test.
      rhashtable: remove nulls_base and related code.
      rhashtable: use cmpxchg() to protect ->future_tbl.
      rhashtable: fix race in nested_table_alloc()
      rhashtable: remove rhashtable_walk_peek()
      rhashtable: further improve stability of rhashtable_walk
      rhashtable: add rhashtable_walk_prev()
      rhashtable: don't hold lock on first table throughout insertion.


 include/linux/rhashtable.h |   61 +++----------
 lib/rhashtable.c           |  202 +++++++++++++++++++++-----------------------
 lib/test_rhashtable.c      |    8 +-
 3 files changed, 113 insertions(+), 158 deletions(-)

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