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 X-Spam-Level: X-Spam-Status: No, score=-3.9 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C01A3C4742C for ; Mon, 16 Nov 2020 16:52:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 82A2C2222C for ; Mon, 16 Nov 2020 16:52:59 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="gHrMs+m4" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732329AbgKPQwi (ORCPT ); Mon, 16 Nov 2020 11:52:38 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38714 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730612AbgKPQwi (ORCPT ); Mon, 16 Nov 2020 11:52:38 -0500 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 01AECC0613CF; Mon, 16 Nov 2020 08:52:38 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; 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=58n1C0eF5U2Ce08w2RFY+aBzbpcHaYmfH6ddU03MxV8=; b=gHrMs+m4c5i43VOs6wLtvFKYRG hIV0TPWTqtDWpuJrTpZQKB+oCEMm5Ky8IhUC50h3NG48uWzVxVfc7TahHNVAJHMup37uN/yJ+XLG3 Iveqb1Z6SH0J8WIsABBdYiZe3Z8EZQ0raI8cNQsIF4BJsmK6RMW/Zk3rH/+rDC7Oa4YhGMReuXkW0 v/9k0FjKgBpKkpqd+TJS3dvuQWCdg5YQ4L71zeLRAbQibkCvCyRQuiv0kCYsd6eyqhOyakjtzky8y SM8VE2wCWtMToxcnlmSWzF+Wc7/wzZ5MUQZPiyiNwLVclaI+VDXsD1eQJkvz+MqsXYretJAZxdUbA gm1VNQdw==; Received: from hch by casper.infradead.org with local (Exim 4.92.3 #3 (Red Hat Linux)) id 1kehjz-00062Z-Rv; Mon, 16 Nov 2020 16:52:31 +0000 Date: Mon, 16 Nov 2020 16:52:31 +0000 From: Christoph Hellwig To: Chris Mason Cc: Christoph Hellwig , Nick Terrell , Herbert Xu , linux-crypto@vger.kernel.org, linux-btrfs@vger.kernel.org, squashfs-devel@lists.sourceforge.net, linux-f2fs-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org, Kernel Team , Nick Terrell , Petr Malat , Johannes Weiner , Niket Agarwal , Yann Collet , Greg Kroah-Hartman Subject: Re: [PATCH v5 1/9] lib: zstd: Add zstd compatibility wrapper Message-ID: <20201116165231.GA22834@infradead.org> References: <20201103060535.8460-1-nickrterrell@gmail.com> <20201103060535.8460-2-nickrterrell@gmail.com> <20201106183846.GA28005@infradead.org> <20201110183953.GA10656@infradead.org> <4ED61269-0F19-46EB-ACE3-C6D81E0A9136@fb.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <4ED61269-0F19-46EB-ACE3-C6D81E0A9136@fb.com> X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org. See http://www.infradead.org/rpr.html Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org On Tue, Nov 10, 2020 at 02:24:35PM -0500, Chris Mason wrote: > I think APIs change based on the needs of the project. We do this all the > time in the kernel, and we don???t think twice about updating users of the > API as needed. We update kernel APIs when: - we need additional functionality - thew new API is clearly better than the old one None of that seems to be the case here.