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Mon, 01 Jun 2026 08:17:50 -0700 (PDT) Date: Mon, 1 Jun 2026 23:17:47 +0800 From: Guan-Chun Wu <409411716@gms.tku.edu.tw> To: Mark Brown Cc: Theodore Ts'o , Chen Hao Yu , Linux Kernel Mailing List , Linux Next Mailing List Subject: Re: linux-next: build failure after merge of the ext4 tree Message-ID: References: <704d573d-267f-41b7-8204-5135848ec9c1@sirena.org.uk> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <704d573d-267f-41b7-8204-5135848ec9c1@sirena.org.uk> On Mon, Jun 01, 2026 at 01:43:44PM +0100, Mark Brown wrote: > On Fri, May 29, 2026 at 12:59:36PM +0100, Mark Brown wrote: > > Hi all, > > > > After merging the ext4 tree, today's linux-next build (x86_64 > > allmodconfig) failed like this: > > > > ERROR: modpost: "ext4fs_dirhash" [fs/ext4/ext4-test.ko] undefined! > > > > Caused by commit > > > > a4841d91a7f57 (ext4: add Kunit coverage for directory hash computation) > > > > I have used the tree from next-20260528 instead. > > This issue is still present today. Hi Mark, Thanks for reporting this. I have sent an updated version of the patch series that should address this issue: Link: https://lore.kernel.org/lkml/20260531080019.3794809-1-409411716@gms.tku.edu.tw/ Please let me know if anything else is needed. Thanks, Guan-Chun