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Bug #71876

closed

mds: nudge log for unstable locks after early reply

Added by Patrick Donnelly 9 months ago. Updated 4 months ago.

Status:
Resolved
Priority:
Urgent
Category:
Correctness/Safety
Target version:
% Done:

0%

Source:
Development
Backport:
tentacle,squid,reef
Regression:
No
Severity:
2 - major
Reviewed:
Affected Versions:
ceph-qa-suite:
Component(FS):
MDS
Labels (FS):
Pull request ID:
Tags (freeform):
backport_processed
Fixed In:
v20.3.0-1704-gb7afc12967
Released In:
Upkeep Timestamp:
2025-11-18T12:53:08+00:00

Description

A getattr/lookup can cause a wrlock or xlock to become unstable after a request (like rename) acquires it but before early reply. The MDS will not nudge the log in this situation and the getattr/lookup will need to wait for the eventual journal flush before the lock is released.


Related issues 3 (0 open3 closed)

Copied to CephFS - Backport #72162: reef: mds: nudge log for unstable locks after early replyResolvedPatrick DonnellyActions
Copied to CephFS - Backport #72163: squid: mds: nudge log for unstable locks after early replyResolvedPatrick DonnellyActions
Copied to CephFS - Backport #72164: tentacle: mds: nudge log for unstable locks after early replyResolvedPatrick DonnellyActions
Actions #1

Updated by Patrick Donnelly 9 months ago

  • Pull request ID set to 64229
Actions #2

Updated by Patrick Donnelly 9 months ago

  • Status changed from In Progress to Fix Under Review
Actions #3

Updated by Patrick Donnelly 9 months ago

  • Backport set to tentacle,squid,reef
Actions #4

Updated by Venky Shankar 8 months ago

  • Status changed from Fix Under Review to Pending Backport
Actions #5

Updated by Upkeep Bot 8 months ago

  • Merge Commit set to b7afc129674b79644b6f4ece92c514e35a0b69e5
  • Fixed In set to v20.3.0-1704-gb7afc12967
  • Upkeep Timestamp set to 2025-07-16T17:07:37+00:00
Actions #6

Updated by Upkeep Bot 8 months ago

  • Copied to Backport #72162: reef: mds: nudge log for unstable locks after early reply added
Actions #7

Updated by Upkeep Bot 8 months ago

  • Copied to Backport #72163: squid: mds: nudge log for unstable locks after early reply added
Actions #8

Updated by Upkeep Bot 8 months ago

  • Copied to Backport #72164: tentacle: mds: nudge log for unstable locks after early reply added
Actions #9

Updated by Upkeep Bot 8 months ago

  • Tags (freeform) set to backport_processed
Actions #10

Updated by Upkeep Bot 4 months ago

  • Status changed from Pending Backport to Resolved
  • Upkeep Timestamp changed from 2025-07-16T17:07:37+00:00 to 2025-11-18T12:53:08+00:00
Actions

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