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DAOS-18919 rebuild: fix a bug of csum process in migrate_fetch_update…#18145

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liuxuezhao wants to merge 1 commit intomasterfrom
lxz/rb_csum_fix
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DAOS-18919 rebuild: fix a bug of csum process in migrate_fetch_update…#18145
liuxuezhao wants to merge 1 commit intomasterfrom
lxz/rb_csum_fix

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@liuxuezhao
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…_inline

in migrate_fetch_update_inline() it possibly with multiple IODs inline, if there is zero iod_size in the middle, the original code possibly cause the packed csums cannot be correctly unpacked, for replica object. This patch fixes it by refine related code.
Renames a few fields to make it easier to grep, and a few other small refines.

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).

…_inline

in migrate_fetch_update_inline() it possibly with multiple IODs inline,
if there is zero iod_size in the middle, the original code possibly
cause the packed csums cannot be correctly unpacked, for replica object.
This patch fixes it by refine related code.
Renames a few fields to make it easier to grep, and a few other small
refines.

Signed-off-by: Xuezhao Liu <xuezhao.liu@hpe.com>
@liuxuezhao liuxuezhao requested review from a team as code owners April 30, 2026 09:33
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Ticket title is 'bug in rebuild migrate_fetch_update_inline() csum processing with multiple IODs'
Status is 'Open'
https://daosio.atlassian.net/browse/DAOS-18919

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Test stage Functional Hardware Medium Verbs Provider MD on SSD completed with status FAILURE. https://jenkins-3.daos.hpc.amslabs.hpecorp.net//job/daos-stack/job/daos/view/change-requests/job/PR-18145/1/execution/node/1255/log

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Test stage Functional Hardware Medium MD on SSD completed with status FAILURE. https://jenkins-3.daos.hpc.amslabs.hpecorp.net//job/daos-stack/job/daos/view/change-requests/job/PR-18145/1/execution/node/1245/log

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