From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5332F184E; Thu, 17 Apr 2025 22:59:17 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744930758; cv=none; b=bGZqlJUNGnkgyJFgb7YnKHcqkVVg/2yhMqL38TKSAnpgtl2t99jqdw8g9gKeZ6wvyERX2R0UDfQsitcj8OIy1XR9wvIwt6h0+bQeB4JBLAt3P7708Ie6opAbc+BwRW1VPOKyxicekYzTQ/8F50vLFcoGrjYa5wzXXkNaofzMk1I= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744930758; c=relaxed/simple; bh=8562OFkhRJQ+XF9ypIQCeBUMuMNU1FvypVrf2Ssre7E=; h=Date:From:To:Cc:Subject:Message-Id:In-Reply-To:References: Mime-Version:Content-Type; b=drXGDOKsxGqQEMZq2Xa8p1yZ+XUQedjzyUVKxv2bnx+WHI3OxlxkQlKyU+6gLtOMlyW+ZExrjoBEGUbobHB090Scf6mbrOftNbuIA4ZG1ijBBNb4zn7k3eisi7yBSDU03+VMcXRIqGKsXXOu+66P8eXuAeT5fXNugd/50XtwV+0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b=kRvvReQp; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b="kRvvReQp" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2AE94C4CEE4; Thu, 17 Apr 2025 22:59:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1744930757; bh=8562OFkhRJQ+XF9ypIQCeBUMuMNU1FvypVrf2Ssre7E=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=kRvvReQp2vUitiaXrX18FJyRLSfQOaPPczw4J8iZb2dwIdyr7p3gMil7u9gQ7GAVe GtDKCqguOHNRhxNW9jyS38fXO5ErSLJC/isL/tUIv9PYaYAtGm/ILYT9Iw5bvjJBsI gW3Mltl3CzHKrmYl8ki5SON5KAbc1RbZqZtq6JcI= Date: Thu, 17 Apr 2025 15:59:16 -0700 From: Andrew Morton To: Dan Williams Cc: ", Darrick J. Wong" , Alison Schofield , David Hildenbrand , , , , , Alexander Viro , "Christian Brauner" , Jan Kara , Matthew Wilcox , "Alistair Popple" , Christoph Hellwig Subject: Re: [PATCH v1] fs/dax: fix folio splitting issue by resetting old folio order + _nr_pages Message-Id: <20250417155916.92e62e45dc1d82010f47519e@linux-foundation.org> In-Reply-To: <680142129141c_130fd294f7@dwillia2-mobl3.amr.corp.intel.com.notmuch> References: <20250410091020.119116-1-david@redhat.com> <20250417034406.GF25659@frogsfrogsfrogs> <680142129141c_130fd294f7@dwillia2-mobl3.amr.corp.intel.com.notmuch> X-Mailer: Sylpheed 3.7.0 (GTK+ 2.24.33; x86_64-pc-linux-gnu) 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-Transfer-Encoding: 7bit On Thu, 17 Apr 2025 11:01:54 -0700 Dan Williams wrote: > Darrick J. Wong wrote: > > On Thu, Apr 10, 2025 at 12:12:33PM -0700, Alison Schofield wrote: > > > On Thu, Apr 10, 2025 at 11:10:20AM +0200, David Hildenbrand wrote: > > > > Alison reports an issue with fsdax when large extends end up using > > > > large ZONE_DEVICE folios: > > > > > > > > > > Passes the ndctl/dax unit tests. > > > > > > Tested-by: Alison Schofield > > > > This fixes the crash I complained about here: > > https://lore.kernel.org/linux-fsdevel/20250417030143.GO25675@frogsfrogsfrogs/T/ > > > > Can we get a fix queued up for -rc3 if it hasn't been already, please? > > > > Tested-by: "Darrick J. Wong" > > Andrew, please pick this up, I have nothing else pending in the dax > area. Yep, I have it in mm-hotfixes. I wasn't particularly planning on sending another batch to Linus this week, but let's do that. From: Easter Bunny.