[LU-14043] lfs mirror extend need not use O_DIRECT on source Created: 16/Oct/20  Updated: 09/Dec/20  Resolved: 09/Dec/20

Status: Resolved
Project: Lustre
Component/s: None
Affects Version/s: None
Fix Version/s: Lustre 2.14.0

Type: Improvement Priority: Minor
Reporter: John Hammond Assignee: John Hammond
Resolution: Fixed Votes: 0
Labels: None

Issue Links:
Related
Rank (Obsolete): 9223372036854775807

 Description   

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

 Comments   
Comment by Gerrit Updater [ 16/Oct/20 ]

John L. Hammond (jhammond@whamcloud.com) 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

Comment by Gerrit Updater [ 24/Oct/20 ]

Wang Shilong (wshilong@whamcloud.com) 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

Comment by Gerrit Updater [ 03/Dec/20 ]

Oleg Drokin (green@whamcloud.com) 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

Comment by Gerrit Updater [ 09/Dec/20 ]

Oleg Drokin (green@whamcloud.com) 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

Comment by Peter Jones [ 09/Dec/20 ]

Landed for 2.14

Generated at Sat Feb 10 03:06:21 UTC 2024 using Jira 9.4.14#940014-sha1:734e6822bbf0d45eff9af51f82432957f73aa32c.