[LU-12093] CAP_SYS_RESOURCE capability check overhead Created: 21/Mar/19  Updated: 08/Jun/19  Resolved: 21/May/19

Status: Resolved
Project: Lustre
Component/s: None
Affects Version/s: Lustre 2.13.0, Lustre 2.12.1
Fix Version/s: Lustre 2.13.0, Lustre 2.12.3

Type: Improvement Priority: Minor
Reporter: Dongyang Li Assignee: Dongyang Li
Resolution: Fixed Votes: 0
Labels: ubuntu

Issue Links:
Duplicate
Rank (Obsolete): 9223372036854775807

 Description   

we do capability check for every page during I/O. with a system has apparmor enabled like ubuntu this gives us some overhead.

 Comments   
Comment by Gerrit Updater [ 21/Mar/19 ]

Li Dongyang (dongyangli@ddn.com) uploaded a new patch: https://review.whamcloud.com/34478
Subject: LU-12093 osc: don't check capability for every page
Project: fs/lustre-release
Branch: master
Current Patch Set: 1
Commit: bad041456cbf6c3728ae3ba4ce92a1ad2074a13d

Comment by Gerrit Updater [ 21/May/19 ]

Oleg Drokin (green@whamcloud.com) merged in patch https://review.whamcloud.com/34478/
Subject: LU-12093 osc: don't check capability for every page
Project: fs/lustre-release
Branch: master
Current Patch Set:
Commit: c1cab789aaa25bbb4062208aeb2822fde3007cd4

Comment by Peter Jones [ 21/May/19 ]

Landed for 2.13

Comment by Gerrit Updater [ 21/May/19 ]

Minh Diep (mdiep@whamcloud.com) uploaded a new patch: https://review.whamcloud.com/34920
Subject: LU-12093 osc: don't check capability for every page
Project: fs/lustre-release
Branch: b2_12
Current Patch Set: 1
Commit: af67818c7ca010e5a7bc6409a44a4389d8bba7ae

Comment by Gerrit Updater [ 08/Jun/19 ]

Oleg Drokin (green@whamcloud.com) merged in patch https://review.whamcloud.com/34920/
Subject: LU-12093 osc: don't check capability for every page
Project: fs/lustre-release
Branch: b2_12
Current Patch Set:
Commit: c628bc742747e739dddf8ec0a24329da01e97c8a

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