[LU-6581] Fill layout only if the layout lock is granted

• Type: Bug
• Resolution: Fixed
• Priority: Minor
• Fix Version/s: Lustre 2.8.0
• Affects Version/s: Lustre 2.7.0, Lustre 2.8.0
• Labels: hsm
• Severity: 3
• Assignee: Di Wang (Inactive)
• Reporter: Di Wang (Inactive)

Description

In mdt_lvbo_fill(), it should check if the layout lock is granted before filling the layout to the reply, otherwise the layout might be replied to client in both blocking and completion cases, (see ldlm_lockd.c) and client might get stale layout in some cases.

Comments

[Gerrit Updater]

Oleg Drokin ([e-mail]) merged in patch http://review.whamcloud.com/14726/
Subject: LU-6581 mdt: Transfer layout only if layout lock is granted
Project: fs/lustre-release
Branch: master
Current Patch Set:
Commit: 3111196ece8cece79812c1dd0b065b6148191fde

[Gerrit Updater]

wangdi ([e-mail]) uploaded a new patch: http://review.whamcloud.com/14726
Subject: LU-6581 mdt: Only fill layout if layout lock is granted
Project: fs/lustre-release
Branch: master
Current Patch Set: 1
Commit: b2f7302b7e30e0700d59b3cbc99c5e4e2587b50d