[PATCH v2 0/8] Improve the validation for maple tree and some cleanup

[Peng Zhang <zhangpeng.00@bytedance.com>]

These patches do the following:
001 - 002: Small cleanup to maple tree.
003 - 006: Improve the validation for maple tree.
007 - 008: Drop some functions that will no longer be used.

Thanks Liam for the review.

Changes since v1:
 - Add fixes tag and the necessary Cc. [1/8]
 - Add the verification that gaps beyond the node limit are zero. [3/8]
 - Revise comment. [5/8]
 - Reformat the code. [6/8]

Peng Zhang (8):
  maple_tree: set the node limit when creating a new root node
  maple_tree: don't use MAPLE_ARANGE64_META_MAX to indicate no gap
  maple_tree: make mas_validate_gaps() to check metadata
  maple_tree: fix mas_validate_child_slot() to check last missed slot
  maple_tree: make mas_validate_limits() check root node and node limit
  maple_tree: update mt_validate()
  maple_tree: replace mas_logical_pivot() with mas_safe_pivot()
  maple_tree: drop mas_first_entry()

 include/linux/maple_tree.h |   2 -
 lib/maple_tree.c           | 258 ++++++++++++-------------------------
 2 files changed, 79 insertions(+), 181 deletions(-)

-- 
2.20.1