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d=hostedemail.com; t=1709823292; a=rsa-sha256; cv=none; b=DONtvGZCYBV1GBK2RJFi0tlYy/9NW73nVIgMQTyZjB+O2PPbdTDTBGM4xkEGNhSBaHFWJX qKmu0K+ANJyz/ylSCE00N0LQxkfL5fH1mDPb6bHevPCl2YV4iQLJ5fOdmwd6wKLYdlqGaO lxng5NLY9OOx1JALoDZgQHulvbP1iq0= ARC-Authentication-Results: i=1; imf23.hostedemail.com; dkim=none; spf=pass (imf23.hostedemail.com: domain of hch@lst.de designates 213.95.11.211 as permitted sender) smtp.mailfrom=hch@lst.de; dmarc=none Received: by verein.lst.de (Postfix, from userid 2407) id 2ABB768CFE; Thu, 7 Mar 2024 15:54:46 +0100 (CET) Date: Thu, 7 Mar 2024 15:54:45 +0100 From: Christoph Hellwig To: David Howells Cc: Matthew Wilcox , Trond Myklebust , Miklos Szeredi , Christoph Hellwig , Andrew Morton , Alexander Viro , Christian Brauner , Jeff Layton , linux-mm@kvack.org, linux-fsdevel@vger.kernel.org, netfs@lists.linux.dev, v9fs@lists.linux.dev, linux-afs@lists.infradead.org, ceph-devel@vger.kernel.org, linux-cifs@vger.kernel.org, linux-nfs@vger.kernel.org, devel@lists.orangefs.org, linux-kernel@vger.kernel.org Subject: Re: [RFC PATCH] mm: Replace ->launder_folio() with flush and wait Message-ID: <20240307145445.GA28823@lst.de> References: <1668172.1709764777@warthog.procyon.org.uk> <1831809.1709807788@warthog.procyon.org.uk> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1831809.1709807788@warthog.procyon.org.uk> User-Agent: Mutt/1.5.17 (2007-11-01) X-Rspamd-Queue-Id: 1AC30140010 X-Rspam-User: X-Stat-Signature: j88iys1a63x9gmybh5ob9hi9ce5s4tih X-Rspamd-Server: rspam03 X-HE-Tag: 1709823291-381035 X-HE-Meta: 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 HpL6gG4a Qan2NYp1/NrNwvotehP1U/nozY0ABagdc1H49rgAkKgTnmr1GNQ8rCRAymGMKZ94pPkT+ryotWP5WaEvWYZK+JV0S3g== 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: On Thu, Mar 07, 2024 at 10:36:28AM +0000, David Howells wrote: > There are some places that should perhaps be using kiocb_invalidate_pages() > and kiocb_invalidate_post_direct_write() instead - assuming Christoph has no > objection to the latter function being exported. These are intended as helpers for direct I/O implementation, so I very much expected them to eventually get exported.