From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 D662620371C; Thu, 10 Apr 2025 08:50:29 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.137.202.133 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744275031; cv=none; b=VJ1MhoXWzpTvZ5bEL3eKcvjCGbCO2dmemNIQhwSwoi1qY3U6P6g1J1gqcA9YQ8jPkPg3iUFmyKtkfVs1+u6cII7nhU2NJz5hOUsDMMAEWsdPVCD11rsMSKFg7qSwV5QH8usbZLPkmLn2eMdTKfsmI1O7W9RCBJRz4EXiMTTcaZI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744275031; c=relaxed/simple; bh=T8jEW6Tu0rhckzJnDNtqWX7UlY4n2k5d/yabCD/iHsg=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=cGZkYo5ORRtZoEDfRRLMnIKv3Be1ijGacvSxCXqco5FJlWvlSkdKXv6EzRZ4/2FXypxeCNpBQcNbr5snjfy7UvpKKNv2dWgXBQjHhf2hZ5R+5pLuxIdHNv72R7qJFq9kzASL9cb6dztS2UbZuA9JRJ2r578NTZBKA9nqOtNXDdM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org; spf=none smtp.mailfrom=bombadil.srs.infradead.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b=1LYIR2Bh; arc=none smtp.client-ip=198.137.202.133 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=bombadil.srs.infradead.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="1LYIR2Bh" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=In-Reply-To:Content-Type:MIME-Version :References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=r1HPCRcWQ3mWERn6wLp9oiHne/42gET65G0EeDFgTNU=; b=1LYIR2BhtY+dJNfAJvxXmVQ4SG 6gfWJvAhb8lCEBPYYAcgbVrdKTKVlWWNRqZ4GBfEVURZldNskJ1LpU66au7qN0PswAPLNLWnJW+Ng pU/OWFZ0PYMV+j2ow8ETvlq3c9EdVuWaP5z0S4vOIKq+ZWEjNmFJhPqy3dvNDlm91SIX3Ya5ZkxHm y10hjCh+RrPS4kMIAmG4vCjjBTyvx6EGRg8GhciuqagzVVDm2ILcdHw2Wrq+DY1WxBNZbKAlwXSxc r1ueFI7Sq0flJK9QcWLCTybUE8afIF74McqKWfPhqeBK62th+JC8MIBhC7TtKk81hm5wCTytt80/L 96qCmU+Q==; Received: from hch by bombadil.infradead.org with local (Exim 4.98.2 #2 (Red Hat Linux)) id 1u2ncD-00000009oQq-0lLv; Thu, 10 Apr 2025 08:50:29 +0000 Date: Thu, 10 Apr 2025 01:50:29 -0700 From: Christoph Hellwig To: Andreas Gruenbacher Cc: cgroups@vger.kernel.org, Tetsuo Handa , Jan Kara , Rafael Aquini , gfs2@lists.linux.dev, linux-mm@kvack.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [RFC 1/2] gfs2: replace sd_aspace with sd_inode Message-ID: References: <20250407182104.716631-1-agruenba@redhat.com> <20250407182104.716631-2-agruenba@redhat.com> 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: <20250407182104.716631-2-agruenba@redhat.com> X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html On Mon, Apr 07, 2025 at 08:21:01PM +0200, Andreas Gruenbacher wrote: > Use a dummy inode as mapping->host of the address spaces for global as > well as per-inode metadata. The global metadata address space is now > accessed as gfs2_aspace(sdp) instead of sdp->sd_aspace. The per-inode > metadata address spaces are still accessed as > gfs2_glock2aspace(GFS2_I(inode)->i_gl). > > Based on a previous version from Bob Peterson from several years ago. Please explain why you are doing this, not just what.