[LU-14043] lfs mirror extend need not use O_DIRECT on source

• Type: Improvement
• Resolution: Fixed
• Priority: Minor
• Fix Version/s: Lustre 2.14.0
• Assignee: John Hammond
• Reporter: John Hammond

Description

Using O_DIRECT on the source makes lfs mirror extend slower and isn't needed for correctness.

Issue Links

• is related to: LU-19131 OSS readcache page allocations can deadlock during local IO

Comments

[Peter Jones]

Landed for 2.14

[Gerrit Updater]

Oleg Drokin ([e-mail]) merged in patch https://review.whamcloud.com/40275/
Subject: LU-14043 lfs: use buffered IO in mirror extend
Project: fs/lustre-release
Branch: master
Current Patch Set:
Commit: 11a81df15825123ed743e2f142cdd72ba9a43e1e

[Gerrit Updater]

Oleg Drokin ([e-mail]) merged in patch https://review.whamcloud.com/40392/
Subject: LU-14043 llite: allow DIO with unaligned IO count
Project: fs/lustre-release
Branch: master
Current Patch Set:
Commit: 45c46c6effd8273dc4ca52f32447f9f7103057b1

[Gerrit Updater]

Wang Shilong ([e-mail]) uploaded a new patch: https://review.whamcloud.com/40392
Subject: LU-14043 llite: allow DIO with unaligned IO count
Project: fs/lustre-release
Branch: master
Current Patch Set: 1
Commit: 9f40a80020284b88b83077f05358183a9f1eee56

[Gerrit Updater]

John L. Hammond ([e-mail]) uploaded a new patch: https://review.whamcloud.com/40275
Subject: LU-14043 lfs: use buffered IO in mirror extend
Project: fs/lustre-release
Branch: master
Current Patch Set: 1
Commit: 510725e1dd89a65f933f6d51385957e410f01f96