[PATCH v2 0/6] reduce boilerplate code within btrfs

["Roger L. Beckermeyer III" <beckerlee3@gmail.com>]

The goal of this patch series is to reduce boilerplate code
within btrfs. To accomplish this rb_find_add_cached() was added
to linux/include/rbtree.h. Any replaceable functions were then 
replaced within btrfs.

changelog: 
updated if() statements to utilize newer error checking
resolved lock error on 0002
edited title of patches to utilize update instead of edit
added Acked-by from Peter Zijlstra to 0001
eliminated extra variables throughout the patch series

Roger L. Beckermeyer III (6):
  rbtree: add rb_find_add_cached() to rbtree.h
  btrfs: update btrfs_add_block_group_cache() to use rb helper
  btrfs: update prelim_ref_insert() to use rb helpers
  btrfs: update __btrfs_add_delayed_item() to use rb helper
  btrfs: update btrfs_add_chunk_map() to use rb helpers
  btrfs: update tree_insert() to use rb helpers

 fs/btrfs/backref.c       | 71 ++++++++++++++++++++--------------------
 fs/btrfs/block-group.c   | 41 ++++++++++-------------
 fs/btrfs/delayed-inode.c | 40 +++++++++-------------
 fs/btrfs/delayed-ref.c   | 39 +++++++++-------------
 fs/btrfs/volumes.c       | 39 ++++++++++------------
 include/linux/rbtree.h   | 37 +++++++++++++++++++++
 6 files changed, 141 insertions(+), 126 deletions(-)

-- 
2.45.2