[LU-14337] return valid stripe_count and stripe_size instead of 0 for DoM files

• Type: Bug
• Resolution: Fixed
• Priority: Minor
• Fix Version/s: Lustre 2.14.0, Lustre 2.15.0
• Severity: 3
• Assignee: Emoly Liu
• Reporter: Emoly Liu

Description

Return valid stripe_count and stripe_size instead of 0 for DoM files to avoid divide-by-zero for older userspace that calls this ioctl, e.g. lustre ADIO driver.

Issue Links

• is related to: LU-14316 lfs: using old ioctl(LL_IOC_LOV_GETSTRIPE), use llapi_layout_get_by_path()

Comments

[Gerrit Updater]

Oleg Drokin ([e-mail]) merged in patch https://review.whamcloud.com/41803/
Subject: LU-14337 lov: return valid stripe_count/size for PFL files
Project: fs/lustre-release
Branch: master
Current Patch Set:
Commit: abf04e7ea356e8b1523e4183d5c46c0462f1f605

[Gerrit Updater]

Emoly Liu ([e-mail]) uploaded a new patch: https://review.whamcloud.com/41803
Subject: LU-14337 lov: return valid stripe_size for DoM files
Project: fs/lustre-release
Branch: master
Current Patch Set: 1
Commit: 92aa8163693bfc707de757943f86c9e0897941a7

[Peter Jones]

Landed for 2.14

[Gerrit Updater]

Oleg Drokin ([e-mail]) merged in patch https://review.whamcloud.com/41265/
Subject: LU-14337 lov: return stripe_count=1 instead of 0 for DoM files
Project: fs/lustre-release
Branch: master
Current Patch Set:
Commit: b538826f2bdb39b5dda5bd1131b5b715c51d0bcd

[Gerrit Updater]

Emoly Liu ([e-mail]) uploaded a new patch: https://review.whamcloud.com/41265
Subject: LU-14337 lov: return stripe_count=1 instead of 0 for DoM files
Project: fs/lustre-release
Branch: master
Current Patch Set: 1
Commit: 95ff0213479a740858ce2d4447ed86668d904235