[LU-5443] Remove references to defined constant HZ

• Status: Resolved
• Project: Lustre
• Affects Version/s: Lustre 2.7.0
• Fix Version/s: Lustre 2.7.0
• Type: Improvement
• Priority: Minor
• Reporter: Jian Yu
• Assignee: Jian Yu
• Resolution: Fixed

Description

Replace the direct HZ access in Lustre codes with Linux kernel APIs:

jiffies_to_msecs()
jiffies_to_usecs()
jiffies_to_timespec()
msecs_to_jiffies()
usecs_to_jiffies()
timespec_to_jiffies()

Comments

[Jian Yu]

Here is the patch to replace direct HZ access in lnet module: http://review.whamcloud.com/11303

[Jian Yu]

Here is the patch to replace direct HZ access in libcfs module: http://review.whamcloud.com/11993

[Jian Yu]

Here is the patch to replace direct HZ access in lustre modules: http://review.whamcloud.com/12052

[Gerrit Updater]

Jian Yu ([e-mail]) uploaded a new patch: http://review.whamcloud.com/12779
Subject: LU-5443 ldiskfs: replace direct HZ access with kernel APIs
Project: fs/lustre-release
Branch: master
Current Patch Set: 1
Commit: 73a2f3765e2ec1e9ea91a297caa7d9fc9a61cf16

[Jian Yu]

I just found that the ext4-mmp.patch in ldiskfs directory also used HZ directly.
Here is the patch to replace direct HZ access in ldiskfs module: http://review.whamcloud.com/12779

After all of the above 4 patches are landed, there will be no direct HZ access in Lustre codes.

[Gerrit Updater]

Jian Yu ([e-mail]) uploaded a new patch: http://review.whamcloud.com/12813
Subject: LU-5443 lnet: replace direct HZ access with kernel APIs
Project: fs/lustre-release
Branch: b2_5
Current Patch Set: 1
Commit: bde2c055bdbe1a4702dd1129153d40061eae5cb4

[Gerrit Updater]

Oleg Drokin ([e-mail]) merged in patch http://review.whamcloud.com/12779/
Subject: LU-5443 ldiskfs: replace direct HZ access with kernel APIs
Project: fs/lustre-release
Branch: master
Current Patch Set:
Commit: ad06e5506388a02ee388fe47bbf8e8bc048d705e

[Gerrit Updater]

Oleg Drokin ([e-mail]) merged in patch http://review.whamcloud.com/11993/
Subject: LU-5443 libcfs: replace direct HZ access with kernel APIs
Project: fs/lustre-release
Branch: master
Current Patch Set:
Commit: 3af952524b8de40537f7630fb600a73db3626bd7

[James A Simmons]

All patches have landed to master.

[Peter Jones]

Yes - landed for 2.7 - thanks