[PATCH 00/10] btrfs: backref cache cleanups

[Josef Bacik <josef@toxicpanda.com>]

Hello,

This is the followup to the relocation fix that I sent out earlier.  This series
cleans up a lot of the complicated things that exist in backref cache because we
were keeping track of changes to the file system during relocation.  Now that we
do not do this we can simplify a lot of the code and make it easier to
understand.  I've tested this with the horror show of a relocation test I was
using to trigger the original problem.  I'm running fstests now via the CI, but
this seems solid.  Hopefully this makes the relocation code a bit easier to
understand.  Thanks,

Josef

Josef Bacik (10):
  btrfs: convert BUG_ON in btrfs_reloc_cow_block to proper error
    handling
  btrfs: remove the changed list for backref cache
  btrfs: add a comment for new_bytenr in bacref_cache_node
  btrfs: cleanup select_reloc_root
  btrfs: remove clone_backref_node
  btrfs: don't build backref tree for cowonly blocks
  btrfs: do not handle non-shareable roots in backref cache
  btrfs: simplify btrfs_backref_release_cache
  btrfs: remove the ->lowest and ->leaves members from backref cache
  btrfs: remove detached list from btrfs_backref_cache

 fs/btrfs/backref.c    | 105 +++++-------
 fs/btrfs/backref.h    |  16 +-
 fs/btrfs/relocation.c | 362 +++++++++++++++++-------------------------
 3 files changed, 192 insertions(+), 291 deletions(-)

-- 
2.43.0