[PATCHSET v24.0 0/4] fstests: online repair of file fork mappings

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Hi all,

In this series, online repair gains the ability to rebuild data and attr
fork mappings from the reverse mapping information.  It is at this point
where we reintroduce the ability to reap file extents.

Repair of CoW forks is a little different -- on disk, CoW staging
extents are owned by the refcount btree and cannot be mapped back to
individual files.  Hence we can only detect staging extents that don't
quite look right (missing reverse mappings, shared staging extents) and
replace them with fresh allocations.

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=repair-file-mappings

xfsprogs git tree:
https://git.kernel.org/cgit/linux/kernel/git/djwong/xfsprogs-dev.git/log/?h=repair-file-mappings

fstests git tree:
https://git.kernel.org/cgit/linux/kernel/git/djwong/xfstests-dev.git/log/?h=repair-file-mappings
---
 tests/xfs/746     |   85 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 tests/xfs/746.out |    2 +
 tests/xfs/807     |   37 +++++++++++++++++++++++
 tests/xfs/807.out |    2 +
 tests/xfs/808     |   39 ++++++++++++++++++++++++
 tests/xfs/808.out |    2 +
 tests/xfs/828     |   38 ++++++++++++++++++++++++
 tests/xfs/828.out |    2 +
 tests/xfs/829     |   39 ++++++++++++++++++++++++
 tests/xfs/829.out |    2 +
 tests/xfs/840     |   72 +++++++++++++++++++++++++++++++++++++++++++++
 tests/xfs/840.out |    3 ++
 tests/xfs/846     |   39 ++++++++++++++++++++++++
 tests/xfs/846.out |    2 +
 14 files changed, 364 insertions(+)
 create mode 100755 tests/xfs/746
 create mode 100644 tests/xfs/746.out
 create mode 100755 tests/xfs/807
 create mode 100644 tests/xfs/807.out
 create mode 100755 tests/xfs/808
 create mode 100644 tests/xfs/808.out
 create mode 100755 tests/xfs/828
 create mode 100644 tests/xfs/828.out
 create mode 100755 tests/xfs/829
 create mode 100644 tests/xfs/829.out
 create mode 100755 tests/xfs/840
 create mode 100644 tests/xfs/840.out
 create mode 100755 tests/xfs/846
 create mode 100644 tests/xfs/846.out




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