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Bug #20789

closed

Compare and write against a clone can result in failure

Added by Jason Dillaman over 6 years ago. Updated about 6 years ago.

Status:
Resolved
Priority:
High
Assignee:
Jason Dillaman
Target version:
-
% Done:

0%

Source:
Tags:
Backport:
luminous
Regression:
No
Severity:
3 - minor
Reviewed:
Affected Versions:
ceph-qa-suite:
Pull request ID:
Crash signature (v1):
Crash signature (v2):

Description

If the block hasn't been copied-up to the clone from the parent, and librbd attempts to perform a "exec copy-up, cmpext, and write" in the same transaction, it will fail since the "cmpext" will fail to read the "copy-up" data.

Related issues 1 (0 open — 1 closed)

Copied to rbd - Backport #22198: luminous: Compare and write against a clone can result in failureResolvedJason DillamanActions
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 #1

Updated by Jason Dillaman over 6 years ago

  • Priority changed from Urgent to High
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 #2

Updated by Jason Dillaman over 6 years ago

  • Status changed from In Progress to Fix Under Review
  • Backport set to luminous
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 #3

Updated by Mykola Golub over 6 years ago

  • Status changed from Fix Under Review to Pending Backport
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 #4

Updated by Nathan Cutler over 6 years ago

  • Copied to Backport #22198: luminous: Compare and write against a clone can result in failure added
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 #5

Updated by Jason Dillaman about 6 years ago

  • Status changed from Pending Backport to Resolved
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