From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 871A4C433FE for ; Wed, 23 Nov 2022 07:58:51 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id ED3E56B0071; Wed, 23 Nov 2022 02:58:50 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id E84C76B0073; Wed, 23 Nov 2022 02:58:50 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id D72A46B0074; Wed, 23 Nov 2022 02:58:50 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0017.hostedemail.com [216.40.44.17]) by kanga.kvack.org (Postfix) with ESMTP id C8B8F6B0071 for ; Wed, 23 Nov 2022 02:58:50 -0500 (EST) Received: from smtpin04.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay06.hostedemail.com (Postfix) with ESMTP id 806E4AB8B7 for ; Wed, 23 Nov 2022 07:58:50 +0000 (UTC) X-FDA: 80163955620.04.C050F1B Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) by imf16.hostedemail.com (Postfix) with ESMTP id 5091518000A for ; Wed, 23 Nov 2022 07:58:48 +0000 (UTC) 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=fokwSgpDxHdmMktb3cGOUAQ6ziWVx1/aTXFLbwq0ETk=; b=EAZ9eEzolIVHJjOXybEcdn0r2B CPmyZawv/nw1vA2DdRgkqTkqjIn8gx343quWgcRlRBwB3HEbXTiQC26uvIHJNvGhWP0PyxMkxk5yf 5NP8MkZTMs+57/EyNeEBiwq6srWXQCUIByWNGCdzdeMYrAqScZa49fw4OSighwdKGtdXb0G6tRbRX 3BKEtDXCr6xDmkAjVw6rBQeTWcTWsE8jcVyZGVDyk/tyCVdJaM88jzGKxT+mHA6KpP4l0b9Z0zGBB w+kQKFlbkPSPQZSt2FOohSlWhInO33ZSaB/mShPB5JCTI1wjRuZe1MpaYdZxKNlUNw7bCCOyDJkZp qPbVFskA==; Received: from hch by bombadil.infradead.org with local (Exim 4.94.2 #2 (Red Hat Linux)) id 1oxkeP-00FO2g-9H; Wed, 23 Nov 2022 07:58:33 +0000 Date: Tue, 22 Nov 2022 23:58:33 -0800 From: Christoph Hellwig To: Lukas Czerner Cc: Christoph Hellwig , "Darrick J. Wong" , Hugh Dickins , Jan Kara , Eric Sandeen , linux-mm@kvack.org, linux-fsdevel@vger.kernel.org Subject: Re: [PATCH v2 1/3] quota: add quota in-memory format support Message-ID: References: <20221121142854.91109-1-lczerner@redhat.com> <20221121142854.91109-2-lczerner@redhat.com> <20221122142117.epplqsm4ngwx5eyy@fedora> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20221122142117.epplqsm4ngwx5eyy@fedora> X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1669190330; a=rsa-sha256; cv=none; b=s/ZWJjgG/MkQsqIfNKeurCT6B6ER0G/4WlxhCP6r0v/2Hi23rW4sZ8FpDEkjJ/GDlNwVTV UspQm1ACyfc/ahJxdbw/9LEEdhGLBxd6pIFvZEe+6V/TVzPCvYb4bkDADM6zHRnxaLFoaz vWgJpXaIUfbn2/6vDI9YmWJPWcXK3Jw= ARC-Authentication-Results: i=1; imf16.hostedemail.com; dkim=pass header.d=infradead.org header.s=bombadil.20210309 header.b=EAZ9eEzo; spf=none (imf16.hostedemail.com: domain of BATV+b9f983fc94d6023bfdfd+7031+infradead.org+hch@bombadil.srs.infradead.org has no SPF policy when checking 198.137.202.133) smtp.mailfrom=BATV+b9f983fc94d6023bfdfd+7031+infradead.org+hch@bombadil.srs.infradead.org; dmarc=none ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1669190330; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=fokwSgpDxHdmMktb3cGOUAQ6ziWVx1/aTXFLbwq0ETk=; b=Aprc02KYxgBxXgY4rgwlvX0rIllEV3+/cPyn378ogqVXOfk+SXPIYkA9+bqFZHybauLnGy qIQHMIdZWey/qjgcjTz4Uc3Ic5nbuB1WPzWvM3tSg8xmlvqEh1O3HhCrIPS885DwREltnZ SAHxPbs49j0Qf50vF7EziROZm9fm1ms= X-Rspamd-Server: rspam04 X-Rspamd-Queue-Id: 5091518000A Authentication-Results: imf16.hostedemail.com; dkim=pass header.d=infradead.org header.s=bombadil.20210309 header.b=EAZ9eEzo; spf=none (imf16.hostedemail.com: domain of BATV+b9f983fc94d6023bfdfd+7031+infradead.org+hch@bombadil.srs.infradead.org has no SPF policy when checking 198.137.202.133) smtp.mailfrom=BATV+b9f983fc94d6023bfdfd+7031+infradead.org+hch@bombadil.srs.infradead.org; dmarc=none X-Rspam-User: X-Stat-Signature: 6z1rz8s1ff8iwrwwcq54sip8b378xibu X-HE-Tag: 1669190328-644145 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Tue, Nov 22, 2022 at 03:21:17PM +0100, Lukas Czerner wrote: > > That seems like a good idea for memory usage, but I think this might > > also make the code much simpler, as that just requires fairly trivial > > quota_read and quota_write methods in the shmem code instead of new > > support for an in-memory quota file. > > You mean like the implementation in the v1 ? Having now found it: yes.