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DAOS-18531 vos: btree & iterator fix#17958

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NiuYawei wants to merge 1 commit intorelease/2.8from
niu/release-28/DAOS-18531-iterator
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DAOS-18531 vos: btree & iterator fix#17958
NiuYawei wants to merge 1 commit intorelease/2.8from
niu/release-28/DAOS-18531-iterator

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@NiuYawei NiuYawei commented Apr 9, 2026

In md-on-ssd phase2 mode, dkey iteration could yield on vos_iter_prepare() for loading object, and re-probe is required when it recurse back to object level.

  • missing btr_node_tx_add() when changing tn_flags.
  • missing btr_node_tx_add() on node splitting.
  • more messages & assertions.

Allow-unstable-test: true

Steps for the author:

  • Commit message follows the guidelines.
  • Appropriate Features or Test-tag pragmas were used.
  • Appropriate Functional Test Stages were run.
  • At least two positive code reviews including at least one code owner from each category referenced in the PR.
  • Testing is complete. If necessary, forced-landing label added and a reason added in a comment.

After all prior steps are complete:

  • Gatekeeper requested (daos-gatekeeper added as a reviewer).

In md-on-ssd phase2 mode, dkey iteration could yield on
vos_iter_prepare() for loading object, and re-probe is
required when it recurse back to object level.

- missing btr_node_tx_add() when changing tn_flags.
- missing btr_node_tx_add() on node splitting.
- more messages & assertions.

Allow-unstable-test: true

Signed-off-by: Niu Yawei <yawei.niu@hpe.com>
@NiuYawei NiuYawei requested review from a team as code owners April 9, 2026 13:29
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github-actions bot commented Apr 9, 2026

Ticket title is 'mdonssd phase 2: Assertion 'set_entry->se_create_idx != NULL' failed'
Status is 'In Progress'
Labels: 'md_on_ssd2,request_for_2.6.5,request_for_2.8,test_2.8,testp1'
https://daosio.atlassian.net/browse/DAOS-18531

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