[PATCHSET 00/14] xfs: refactor btrees to support records in inode root

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Hi all,

This series prepares the btree code to support realtime reverse mapping
btrees by refactoring xfs_ifork_realloc to be fed a per-btree ops
structure so that it can handle multiple types of inode-rooted btrees.
It moves on to refactoring the btree code to use the new realloc
routines and to support storing btree rcords in the inode root, because
the current bmbt code does not support this.

If you're going to start using this mess, you probably ought to just
pull from my git trees, which are linked below.

This is an extraordinary way to destroy everything.  Enjoy!
Comments and questions are, as always, welcome.

--D

kernel git tree:
https://git.kernel.org/cgit/linux/kernel/git/djwong/xfs-linux.git/log/?h=btree-ifork-records

xfsprogs git tree:
https://git.kernel.org/cgit/linux/kernel/git/djwong/xfsprogs-dev.git/log/?h=btree-ifork-records
---
 fs/xfs/libxfs/xfs_alloc_btree.c    |    6 -
 fs/xfs/libxfs/xfs_alloc_btree.h    |    3 
 fs/xfs/libxfs/xfs_attr_leaf.c      |    8 -
 fs/xfs/libxfs/xfs_bmap.c           |   60 ++----
 fs/xfs/libxfs/xfs_bmap_btree.c     |   94 ++++++++-
 fs/xfs/libxfs/xfs_bmap_btree.h     |  219 +++++++++++++++------
 fs/xfs/libxfs/xfs_btree.c          |  382 ++++++++++++++++++++++++++++--------
 fs/xfs/libxfs/xfs_btree.h          |    4 
 fs/xfs/libxfs/xfs_btree_staging.c  |    4 
 fs/xfs/libxfs/xfs_ialloc.c         |    4 
 fs/xfs/libxfs/xfs_ialloc_btree.c   |    6 -
 fs/xfs/libxfs/xfs_ialloc_btree.h   |    3 
 fs/xfs/libxfs/xfs_inode_fork.c     |  168 +++++++---------
 fs/xfs/libxfs/xfs_inode_fork.h     |   27 ++-
 fs/xfs/libxfs/xfs_refcount_btree.c |    5 
 fs/xfs/libxfs/xfs_refcount_btree.h |    3 
 fs/xfs/libxfs/xfs_rmap_btree.c     |    7 -
 fs/xfs/libxfs/xfs_rmap_btree.h     |    3 
 fs/xfs/libxfs/xfs_sb.c             |   16 +-
 fs/xfs/libxfs/xfs_trans_resv.c     |    2 
 fs/xfs/scrub/bmap_repair.c         |    4 
 fs/xfs/scrub/inode_repair.c        |    2 
 fs/xfs/xfs_xchgrange.c             |    4 
 23 files changed, 705 insertions(+), 329 deletions(-)




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