aufs build is broken on 5.11 kernels

Bug #1958228 reported by Kleber Sacilotto de Souza
This bug affects 1 person
Affects Status Importance Assigned to Milestone
linux (Ubuntu)
Fix Released
Won't Fix
Kleber Sacilotto de Souza
linux-hwe-5.11 (Ubuntu)
Fix Committed

Bug Description

[ Impact ]
Commit 35e8d405b009 "fs: export an inode_update_time helper" (upstream commit e60feb445fce9e51c1558a6aa7faf9dd5ded533b), applied to hirsure:linux via upstream stable broke the build of aufs. The function 'update_time()' is used by aufs and was exported before by a SAUCE patch (0d3312035010 "UBUNTU: SAUCE: Import aufs driver").

[ Fix ]
The proposed fix is to patch aufs to use the new function name. There is no functional change.

[ Test ]
Build a 5.11 kernel with AUFS enabled.

[ Where problems could occur ]
By keeping the new function name, if any other internal or external module is using 'update_time()' their build will also fail. This will need to be addressed case-by-case.

Changed in linux (Ubuntu):
status: New → Fix Released
Changed in linux (Ubuntu Hirsute):
status: New → Confirmed
description: updated
Changed in linux (Ubuntu Hirsute):
assignee: nobody → Kleber Sacilotto de Souza (kleber-souza)
status: Confirmed → In Progress
Revision history for this message
Kleber Sacilotto de Souza (kleber-souza) wrote :
Changed in linux (Ubuntu Hirsute):
status: In Progress → Fix Committed
Revision history for this message
Ubuntu Kernel Bot (ubuntu-kernel-bot) wrote :

This bug is awaiting verification that the linux-oracle-5.11/5.11.0-1028.31~20.04.1 kernel in -proposed solves the problem. Please test the kernel and update this bug with the results. If the problem is solved, change the tag 'verification-needed-focal' to 'verification-done-focal'. If the problem still exists, change the tag 'verification-needed-focal' to 'verification-failed-focal'.

If verification is not done by 5 working days from today, this fix will be dropped from the source code, and this bug will be closed.

See for documentation how to enable and use -proposed. Thank you!

tags: added: verification-needed-focal
Revision history for this message
Kleber Sacilotto de Souza (kleber-souza) wrote :

Changing nomination from hirsute/linux to focal/linux-hwe-5.11 as Hirsute has reached EOL.

Changed in linux-hwe-5.11 (Ubuntu):
status: New → Invalid
Changed in linux-hwe-5.11 (Ubuntu Hirsute):
status: New → Fix Committed
Changed in linux (Ubuntu Hirsute):
status: Fix Committed → Won't Fix
Revision history for this message
Kleber Sacilotto de Souza (kleber-souza) wrote :

Only a few 5.11 kernels have AUFS config enabled and focal:linux-hwe-5.11 is not one of them, so the fix cannot be verified with this kernel. However, this fix has been cherry-picked by focal:linux-oracle-5.11 and focal:linux-riscv-5.11 by versions which were already promoted to -updates:

Therefore I will mark this bug as verified in Focal.

tags: added: verification-done-focal
removed: verification-needed-focal
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