[LU-15670] Disable parallel dio with O_APPEND Created: 22/Mar/22  Updated: 26/May/23  Resolved: 03/Apr/22

Status: Resolved
Project: Lustre
Component/s: None
Affects Version/s: Lustre 2.15.0
Fix Version/s: Lustre 2.15.0

Type: Bug Priority: Blocker
Reporter: Shaun Tancheff Assignee: Shaun Tancheff
Resolution: Fixed Votes: 0
Labels: None

Severity: 3
Rank (Obsolete): 9223372036854775807

 Description   

Lockless O_DIRECT with O_APPEND can allow interleaved / racy
appends from concurrent I/O.

Disable lockless I/O when O_APPEND is set

 Comments   
Comment by Gerrit Updater [ 22/Mar/22 ]

"Shaun Tancheff <shaun.tancheff@hpe.com>" uploaded a new patch: https://review.whamcloud.com/46890
Subject: LU-15670 clio: Disable lockless for DIO with O_APPEND
Project: fs/lustre-release
Branch: master
Current Patch Set: 1
Commit: 4e39e89564070114b7aeac361aedf31e31039f88

Comment by Gerrit Updater [ 03/Apr/22 ]

"Oleg Drokin <green@whamcloud.com>" merged in patch https://review.whamcloud.com/46890/
Subject: LU-15670 clio: Disable lockless for DIO with O_APPEND
Project: fs/lustre-release
Branch: master
Current Patch Set:
Commit: 649d638467c0375797cd59ab7c9ac4113e6c682e

Comment by Peter Jones [ 03/Apr/22 ]

Landed for 2.15

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