linux-kernel - Re: [linus:master] [fs/dax] bde708f1a6: WARNING:at_mm/truncate.c:#truncate_folio_batch

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Message-ID: <20250411-sehgewohnheiten-blicken-7830519934ab@brauner>
Date: Fri, 11 Apr 2025 16:03:29 +0200
From: Christian Brauner <brauner@...nel.org>
To: Jan Kara <jack@...e.cz>
Cc: Alistair Popple <apopple@...dia.com>, 
	kernel test robot <oliver.sang@...el.com>, oe-lkp@...ts.linux.dev, lkp@...el.com, 
	linux-kernel@...r.kernel.org, Andrew Morton <akpm@...ux-foundation.org>, 
	Dan Williams <dan.j.williams@...el.com>, Alison Schofield <alison.schofield@...el.com>, 
	Alexander Gordeev <agordeev@...ux.ibm.com>, Asahi Lina <lina@...hilina.net>, 
	Balbir Singh <balbirs@...dia.com>, Bjorn Helgaas <bhelgaas@...gle.com>, 
	Catalin Marinas <catalin.marinas@....com>, Christian Borntraeger <borntraeger@...ux.ibm.com>, 
	Christoph Hellwig <hch@....de>, Chunyan Zhang <zhang.lyra@...il.com>, 
	"Darrick J. Wong" <djwong@...nel.org>, Dave Chinner <david@...morbit.com>, 
	Dave Hansen <dave.hansen@...ux.intel.com>, Dave Jiang <dave.jiang@...el.com>, 
	David Hildenbrand <david@...hat.com>, Gerald Schaefer <gerald.schaefer@...ux.ibm.com>, 
	Heiko Carstens <hca@...ux.ibm.com>, Huacai Chen <chenhuacai@...nel.org>, 
	Ira Weiny <ira.weiny@...el.com>, Jason Gunthorpe <jgg@...dia.com>, Jason Gunthorpe <jgg@...pe.ca>, 
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	Logan Gunthorpe <logang@...tatee.com>, Matthew Wilcow <willy@...radead.org>, 
	Michael Camp Drill Sergeant Ellerman <mpe@...erman.id.au>, Nicholas Piggin <npiggin@...il.com>, 
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	Vasily Gorbik <gor@...ux.ibm.com>, Vishal Verma <vishal.l.verma@...el.com>, 
	Vivek Goyal <vgoyal@...hat.com>, WANG Xuerui <kernel@...0n.name>, Will Deacon <will@...nel.org>, 
	linux-fsdevel@...r.kernel.org, nvdimm@...ts.linux.dev, linux-xfs@...r.kernel.org
Subject: Re: [linus:master] [fs/dax]  bde708f1a6:
 WARNING:at_mm/truncate.c:#truncate_folio_batch_exceptionals

> didn't lift off and DAX ended up being kind of niche, I think the effort
> to maintain DAX in ext2 is not justified and we should just drop it (and
> direct existing users to use ext4 driver instead for the cases where they
> need it). I'll have a look into it.

+1