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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 41944C433EF for ; Sat, 28 May 2022 06:02:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1349084AbiE1GCM (ORCPT ); Sat, 28 May 2022 02:02:12 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59226 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1345565AbiE1GCL (ORCPT ); Sat, 28 May 2022 02:02:11 -0400 Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:3::133]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C1EA5E74 for ; Fri, 27 May 2022 23:02:10 -0700 (PDT) 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=uYXzrV+DtoSk9kPAECiILCkfcPpXNMD+fuOQxUK/giM=; b=o96qohAr4yUHhzyQ7b4NxMnnEM JXeKjp5f4cMQxoAnRzFzPWOlGIWwd07TDB2w3OUCBtbwrjmFsB6cyCd/KZFrnWPbIGupjM/b4df3V KfJ+xTDN+MPHuNxzbLA1WWIQTDh4Jzh4ABA69521o/gi4BP5yzrhSuS1PgFpGrz7OEVdV6tcwaqnx 8a7XAd7yNjZTZI2w6AaAAQ2oToQ5iufIm1N7SXmbK9pKdpEH1fOxKqbNpnnJlcbimG9mo45RtjBYM ul79d0qks7rr1b4dpAyxPzt/MFJmEpJqiBjQeIupJaI4+XYZ4TnbmbCBJiKeOs/BjvkiWOX2s7J6M kDSZt/XQ==; Received: from hch by bombadil.infradead.org with local (Exim 4.94.2 #2 (Red Hat Linux)) id 1nupWc-001Wtw-5T; Sat, 28 May 2022 06:02:10 +0000 Date: Fri, 27 May 2022 23:02:10 -0700 From: Christoph Hellwig To: "Matthew Wilcox (Oracle)" Cc: linux-fsdevel@vger.kernel.org, linux-mm@kvack.org Subject: Re: [PATCH 19/24] nfs: Leave pages in the pagecache if readpage failed Message-ID: References: <20220527155036.524743-1-willy@infradead.org> <20220527155036.524743-20-willy@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220527155036.524743-20-willy@infradead.org> X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org On Fri, May 27, 2022 at 04:50:31PM +0100, Matthew Wilcox (Oracle) wrote: > The pagecache handles readpage failing by itself; it doesn't want > filesystems to remove pages from under it. This looks sesible to me, but please Cc thisto the NFS list or maintainers, it might be worth to dig out the history and possibly test cases for it.