[PATCH 00/18] last on disk format changes before freeze

[Kent Overstreet <kent.overstreet@linux.dev>]

These are the last of the on disk format changes that will be required
upgrades. Future on disk format changes will be optional - meaning
they'll require more compat code.

- metadata_version_cached_backpointers: scrub can now check cached data,
  and (more importantly) the gc_gens pass for recalculating
  bucket.oldest_gen is no longer required - necessary scalability item.

- metadata_version_stripe_backpointers: needed for scrub to properly
  support erasure coding, and for future stripe repair code

- metadata_version_stripe_lru: we no longer have to read stripes into
  memory at startup for the stripes heap, for reusing partially empty
  stripes

- metadata_version_casefolding: I think this one will make some people
  happy :)

Joshua, the casefolding patches needed some work to rebase, could you
look them over? Hongbo, I had to tweak your directory i_size code as
well.

Joshua Ashton (2):
  bcachefs: Split out dirent alloc and name initialization
  bcachefs: bcachefs_metadata_version_casefolding

Kent Overstreet (16):
  bcachefs: bch2_lru_change() checks for no-op
  bcachefs: s/BCH_LRU_FRAGMENTATION_START/BCH_LRU_BUCKET_FRAGMENTATION/
  bcachefs: decouple bch2_lru_check_set() from alloc btree
  bcachefs: Rework bch2_check_lru_key()
  bcachefs: bch2_trigger_stripe_ptr() no longer uses
    ec_stripes_heap_lock
  bcachefs: Better trigger ordering
  bcachefs: rework bch2_trans_commit_run_triggers()
  bcachefs: bcachefs_metadata_version_cached_backpointers
  bcachefs: Invalidate cached data by backpointers
  bcachefs: Advance bch_alloc.oldest_gen if no stale pointers
  bcachefs: bcachefs_metadata_version_stripe_backpointers
  bcachefs: bcachefs_metadata_version_stripe_lru
  bcachefs: ec_stripe_delete() uses new stripe lru
  bcachefs: get_existing_stripe() uses new stripe lru
  bcachefs: We no longer read stripes into memory at startup
  bcachefs: Kill dirent_occupied_size()

 .../filesystems/bcachefs/casefolding.rst      |  87 ++++
 fs/bcachefs/alloc_background.c                | 147 ++++--
 fs/bcachefs/backpointers.c                    |  14 +-
 fs/bcachefs/backpointers.h                    |  15 +-
 fs/bcachefs/bcachefs.h                        |  10 +-
 fs/bcachefs/bcachefs_format.h                 |   9 +-
 fs/bcachefs/btree_trans_commit.c              |  89 ++--
 fs/bcachefs/btree_types.h                     |  13 +
 fs/bcachefs/btree_update.c                    |   3 +-
 fs/bcachefs/buckets.c                         |  14 +-
 fs/bcachefs/buckets.h                         |  27 --
 fs/bcachefs/buckets_types.h                   |  27 ++
 fs/bcachefs/dirent.c                          | 223 +++++++--
 fs/bcachefs/dirent.h                          |  18 +-
 fs/bcachefs/dirent_format.h                   |  20 +-
 fs/bcachefs/ec.c                              | 429 ++++++------------
 fs/bcachefs/ec.h                              |  46 +-
 fs/bcachefs/ec_types.h                        |  12 +-
 fs/bcachefs/fs-common.c                       |  42 +-
 fs/bcachefs/fs-ioctl.c                        |  25 +
 fs/bcachefs/fs-ioctl.h                        |  20 +-
 fs/bcachefs/fs.c                              |  17 +
 fs/bcachefs/fsck.c                            |   5 +-
 fs/bcachefs/inode_format.h                    |   3 +-
 fs/bcachefs/lru.c                             | 100 ++--
 fs/bcachefs/lru.h                             |  22 +-
 fs/bcachefs/lru_format.h                      |   6 +-
 fs/bcachefs/move.c                            |   3 +
 fs/bcachefs/movinggc.c                        |   4 +-
 fs/bcachefs/recovery_passes_types.h           |   2 +-
 fs/bcachefs/sb-downgrade.c                    |   6 +
 fs/bcachefs/sb-errors_format.h                |   4 +-
 fs/bcachefs/str_hash.c                        |   2 +-
 fs/bcachefs/str_hash.h                        |   4 +
 fs/bcachefs/super.c                           |  19 +
 fs/bcachefs/sysfs.c                           |   5 -
 36 files changed, 904 insertions(+), 588 deletions(-)
 create mode 100644 Documentation/filesystems/bcachefs/casefolding.rst

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2.45.2