[PATCH v6 0/9] fstests: add tests for btrfs' raid-stripe-tree feature

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Add tests for btrfs' raid-stripe-tree feature. All of these test work by
writing a specific pattern to a newly created filesystem and afterwards
using `btrfs inspect-internal -t raid-stripe $SCRATCH_DEV_POOL` to verify
the placement and the layout of the metadata.

The md5sum of each file will be compared as well after a re-mount of the
filesystem.

---
Changes in v6:
- require 4k pagesize for all tests as output depends on page size
- Add Filipe's Reviewed-by
- Link to v5: https://lore.kernel.org/r/20231207-btrfs-raid-v5-0-44aa1affe856@xxxxxxx

Changes in v5:
- add _require_btrfs_free_space_tree helper and use in tests
- Link to v4: https://lore.kernel.org/r/20231206-btrfs-raid-v4-0-578284dd3a70@xxxxxxx

Changes in v4:
- add _require_btrfs_no_compress to all tests
- add _require_btrfs_no_nodatacow helper and add to btrfs/308
- add _require_btrfs_feature "free_space_tree" to all tests
- Link to v3: https://lore.kernel.org/r/20231205-btrfs-raid-v3-0-0e857a5439a2@xxxxxxx

Changes in v3:
- added 'raid-stripe-tree' to mkfs options, as only zoned raid gets it
  automatically
- Rename test cases as btrfs/302 and btrfs/303 already exist upstream
- Link to v2: https://lore.kernel.org/r/20231205-btrfs-raid-v2-0-25f80eea345b@xxxxxxx

Changes in v2:
- Re-ordered series so the newly introduced group is added before the
  tests
- Changes Filipe requested to the tests.
- Link to v1: https://lore.kernel.org/r/20231204-btrfs-raid-v1-0-b254eb1bcff8@xxxxxxx

---
Johannes Thumshirn (9):
      fstests: doc: add new raid-stripe-tree group
      common: add filter for btrfs raid-stripe dump
      common: add _require_btrfs_no_nodatacow helper
      common: add _require_btrfs_free_space_tree
      btrfs: add fstest for stripe-tree metadata with 4k write
      btrfs: add fstest for 8k write spanning two stripes on raid-stripe-tree
      btrfs: add fstest for writing to a file at an offset with RST
      btrfs: add fstests to write 128k to a RST filesystem
      btrfs: add fstest for overwriting a file partially with RST

 common/btrfs        |  17 +++++++++
 common/filter.btrfs |  14 +++++++
 doc/group-names.txt |   1 +
 tests/btrfs/304     |  58 ++++++++++++++++++++++++++++
 tests/btrfs/304.out |  58 ++++++++++++++++++++++++++++
 tests/btrfs/305     |  63 +++++++++++++++++++++++++++++++
 tests/btrfs/305.out |  82 ++++++++++++++++++++++++++++++++++++++++
 tests/btrfs/306     |  61 ++++++++++++++++++++++++++++++
 tests/btrfs/306.out |  75 +++++++++++++++++++++++++++++++++++++
 tests/btrfs/307     |  58 ++++++++++++++++++++++++++++
 tests/btrfs/307.out |  65 ++++++++++++++++++++++++++++++++
 tests/btrfs/308     |  62 ++++++++++++++++++++++++++++++
 tests/btrfs/308.out | 106 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 13 files changed, 720 insertions(+)
---
base-commit: e8a1c16502fad2660d29de5835c4c84700b1f11a
change-id: 20231204-btrfs-raid-75975797f97d

Best regards,
-- 
Johannes Thumshirn <johannes.thumshirn@xxxxxxx>





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