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 C0D1D3B5846; Wed, 13 May 2026 07:58:43 +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=1778659123; cv=none; b=SF7zWZBBQ8XurtRcQXFjKBDwjuvDzR2iYbTQ3QR49IHV98mAsrg0+Vb9U84INYGDab3qbx/rxerhitrf0xdBbDhruRlOZPMD/JA4w837l6THuyq/gZ72h+QC9+AwMEKPw64qW+Lpztmwick/E2NLAoEKZ0Cr/udz/07Hqx3/GXc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778659123; c=relaxed/simple; bh=ZFOLhdTLTDwHAC91xE1k1QxOntVrUq2R8VzrDX/0eKI=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=SFr9vpY9Fqivbs5YD08tN2kmho/ssY0tTK0PfW0+1GFiHEjhHDpJ/yewnGtjZO46IYogWidNToYxYfjqdTfTQX9SaR30ko6P+hf38BQsD/zGxQrrvN4htZxd2pGBve/N/ityqvO0tz0OnWhQn0PDJqevz7v3pgAORa0xCGvblKs= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=N7A9hVUV; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="N7A9hVUV" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 27FF3C2BCB7; Wed, 13 May 2026 07:58:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1778659123; bh=ZFOLhdTLTDwHAC91xE1k1QxOntVrUq2R8VzrDX/0eKI=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=N7A9hVUV0qRwGIlPSwv6zb8J15Avw/8OiY0tC2pYfT3vAImBYoTK+1lI8++KSnfTQ enquvQ1kQFG5q2SLMBOMl5LIdaa3HrPz8yfV/mB+IPtRZ9EwSTq915aLv9gnYaUSZ0 2czee33FVo8GdHO98/Unlcwyp8wZLK0wN4oPZakxBFnLVZVt/BEiOmCdWJRI4N+cY+ 3MR1Iv22FF+LhxmqxonfMaEmbjDzyvgI6p8HLq6tmndsgXMGnxPjs/zzCmTTAuJh8z ofabM7G9g1LGbCLvCfh554V2u3vKBFrubmNJsMCnPLUeVj1Xtx7dZ5jJC2Yhh6Ns+W 0VbT0WJxHsqZQ== Message-ID: Date: Wed, 13 May 2026 16:58:37 +0900 Precedence: bulk X-Mailing-List: linux-btrfs@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 09/12] swap: push down setting sis->bdev into ->swap_activate To: Christoph Hellwig Cc: "Darrick J. Wong" , Andrew Morton , Chris Li , Kairui Song , Christian Brauner , Jens Axboe , David Sterba , Theodore Ts'o , Jaegeuk Kim , Chao Yu , Trond Myklebust , Anna Schumaker , Namjae Jeon , Hyunchul Lee , Steve French , Paulo Alcantara , Carlos Maiolino , Naohiro Aota , linux-xfs@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-doc@vger.kernel.org, linux-mm@kvack.org, linux-block@vger.kernel.org, linux-btrfs@vger.kernel.org, linux-ext4@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-nfs@vger.kernel.org, linux-cifs@vger.kernel.org References: <20260512053625.2950900-1-hch@lst.de> <20260512053625.2950900-10-hch@lst.de> <20260512170846.GJ9555@frogsfrogsfrogs> <20260513055806.GC1236@lst.de> <20260513074608.GA3693@lst.de> Content-Language: en-US From: Damien Le Moal Organization: Western Digital Research In-Reply-To: <20260513074608.GA3693@lst.de> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 5/13/26 16:46, Christoph Hellwig wrote: > On Wed, May 13, 2026 at 04:44:53PM +0900, Damien Le Moal wrote: >> Hmmm... With zonefs, swap files can be created on top of conventional zone >> files. So enforcing "no swap on zoned device" here would break that. > > We can check that none of the extents fall onto sequential zones instead > of just devices. > > I still wonder why you bother with swap to zonefs at all, though. Yeah. I do not think anyone actually use that... But since it is there from the start, kind of stuck with it now. -- Damien Le Moal Western Digital Research