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 D002FC83F17 for ; Mon, 14 Jul 2025 06:22:05 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 4E3696B007B; Mon, 14 Jul 2025 02:22:05 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 494A96B0089; Mon, 14 Jul 2025 02:22:05 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 3AA546B008A; Mon, 14 Jul 2025 02:22:05 -0400 (EDT) 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 27DAA6B007B for ; Mon, 14 Jul 2025 02:22:05 -0400 (EDT) Received: from smtpin19.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay07.hostedemail.com (Postfix) with ESMTP id C6A981604E6 for ; Mon, 14 Jul 2025 06:22:04 +0000 (UTC) X-FDA: 83661874968.19.D83FA23 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) by imf05.hostedemail.com (Postfix) with ESMTP id ADFAE10000A for ; Mon, 14 Jul 2025 06:22:01 +0000 (UTC) Authentication-Results: imf05.hostedemail.com; dkim=pass header.d=infradead.org header.s=bombadil.20210309 header.b=TAfp2lmk ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1752474123; 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=htCJLYk97Hmo5KbFSpDERHO7vHcVVzOLr2OBK0FK8iY=; b=qMQgt5eexFv4W+1xNJYlXpyPzFvdwhUybdwmNKGP8TlMxY/0iMqAXPj56ZBfQKQOtPfNds lohVBKQSpqBr28Do1V5+jNe9ZcfciaHt3bMJlwV/J87oOxt0yc5DvDxd0G17+/4vvtvy3o lIvDr7KelsWH76fB9EjaLdJ0X0NMKP4= ARC-Authentication-Results: i=1; imf05.hostedemail.com; dkim=pass header.d=infradead.org header.s=bombadil.20210309 header.b=TAfp2lmk; spf=none (imf05.hostedemail.com: domain of BATV+8a4ed83021dfd658536a+7995+infradead.org+hch@bombadil.srs.infradead.org has no SPF policy when checking 198.137.202.133) smtp.mailfrom=BATV+8a4ed83021dfd658536a+7995+infradead.org+hch@bombadil.srs.infradead.org; dmarc=none ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1752474123; a=rsa-sha256; cv=none; b=Q2po0q4QjGNzmKejFpFCRwPgYVap8jqDVZ3MxCrJFbEqYwpoirwSJ8bz/sh2qW4W7chmNu UKq1f6D2dDxnznh5OmVCe5SeflMYuiupHkXAjgZlyvHSOOHMd9ykEeTTrgAdq+CYvLIni1 AQKs7ls2GVT6CWMpkQ7OcpROtVyP8S0= 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=htCJLYk97Hmo5KbFSpDERHO7vHcVVzOLr2OBK0FK8iY=; b=TAfp2lmklI8o+3A0unnD1pQNSq 8lqFPrx96zjaQF83ONVM/p9+UaCih6ANgYe246IcACJc3qxIsOOItURucS/OESGPaCs4kxllMuiR9 RJlQm1Hz8wunee2AtW/lallZC0wLCdUTWUYrumZtO305TTAzrfSo7vL0FSm+qRFYNp2krOzHJb1Tz A2zxy4McZw8dd+6q92P7gqNgIE9w1Y0+9h1pWYSmIJEArk7MZplrw2xECsM+5RqwB0kMCab5ORMnt 5u/HEXUvoh47RRyaIqR1x+1Ey6cAgvbFOuwAGye2zPcrUY2lY0Pk6CSaKaRb5L8CXTgKOPZmjw8Yg r6NY4aFA==; Received: from hch by bombadil.infradead.org with local (Exim 4.98.2 #2 (Red Hat Linux)) id 1ubCZc-00000001KgQ-0sd3; Mon, 14 Jul 2025 06:22:00 +0000 Date: Sun, 13 Jul 2025 23:22:00 -0700 From: Christoph Hellwig To: trondmy@kernel.org Cc: linux-nfs@vger.kernel.org, linux-mm@kvack.org, linux-fsdevel@vger.kernel.org Subject: Re: [RFC PATCH 0/3] Initial NFS client support for RWF_DONTCACHE Message-ID: References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html X-Rspamd-Queue-Id: ADFAE10000A X-Stat-Signature: yhcsfaoxu91mmx9u8j1nk8wts1ktssqh X-Rspamd-Server: rspam02 X-Rspam-User: X-HE-Tag: 1752474121-262274 X-HE-Meta: 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 GImBYErO 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 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: List-Subscribe: List-Unsubscribe: I just noticed this RFC series in the nfs testing tree. Given that is not in linux-next I guess it really just is for testing, but if you are interestested in RWF_DONTCACHE support for NFS, please integrated with the series at: https://lore.kernel.org/linux-fsdevel/20250710101404.362146-1-chentaotao@didiglobal.com/#r That adds full dontcache support for the write_begin based file systems.