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=-5.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 4A0FEC433B4 for ; Fri, 23 Apr 2021 14:33:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 159316145A for ; Fri, 23 Apr 2021 14:33:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S242618AbhDWOeG (ORCPT ); Fri, 23 Apr 2021 10:34:06 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]:36782 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230355AbhDWOeE (ORCPT ); Fri, 23 Apr 2021 10:34:04 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1619188407; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=TjxYyjr3+n/FgdeoX21aU0rXvOBSEI7Z5zCaxLkZK4Q=; b=FPY+RzXPMgUD6g+zYy6K2V76gXPi0ahgYiy/09+H1FZ52r4fvDnZR4n1lYkxPKQj+xSwD8 ywEMpevakTRNd7OEaJafjfotZkJGDXT+oCYiJf9QAcgAZRwzymzpaXWDdNdjab2KKTLbsx 13iM3AlCHhVDmhGmZd6z5xdFX0vhJtA= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-558-AceqMeyuOfiNiPlJDe3uCw-1; Fri, 23 Apr 2021 10:33:24 -0400 X-MC-Unique: AceqMeyuOfiNiPlJDe3uCw-1 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 5F459839A4C; Fri, 23 Apr 2021 14:33:22 +0000 (UTC) Received: from warthog.procyon.org.uk (ovpn-112-124.rdu2.redhat.com [10.10.112.124]) by smtp.corp.redhat.com (Postfix) with ESMTP id E3B2960C25; Fri, 23 Apr 2021 14:33:14 +0000 (UTC) Organization: Red Hat UK Ltd. Registered Address: Red Hat UK Ltd, Amberley Place, 107-111 Peascod Street, Windsor, Berkshire, SI4 1TE, United Kingdom. Registered in England and Wales under Company Registration No. 3798903 From: David Howells In-Reply-To: <20210423140625.GC235567@casper.infradead.org> References: <20210423140625.GC235567@casper.infradead.org> <161918446704.3145707.14418606303992174310.stgit@warthog.procyon.org.uk> <161918448151.3145707.11541538916600921083.stgit@warthog.procyon.org.uk> To: Matthew Wilcox Cc: dhowells@redhat.com, linux-fsdevel@vger.kernel.org, Dave Wysochanski , Marc Dionne , Alexander Viro , Christoph Hellwig , linux-mm@kvack.org, linux-cachefs@redhat.com, linux-afs@lists.infradead.org, linux-nfs@vger.kernel.org, linux-cifs@vger.kernel.org, ceph-devel@vger.kernel.org, v9fs-developer@lists.sourceforge.net, Trond Myklebust , Anna Schumaker , Steve French , Dominique Martinet , Jeff Layton , linux-kernel@vger.kernel.org Subject: Re: [PATCH v7 01/31] iov_iter: Add ITER_XARRAY MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-ID: <3153357.1619188393.1@warthog.procyon.org.uk> Date: Fri, 23 Apr 2021 15:33:14 +0100 Message-ID: <3153358.1619188394@warthog.procyon.org.uk> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 Precedence: bulk List-ID: X-Mailing-List: linux-cifs@vger.kernel.org Matthew Wilcox wrote: > On Fri, Apr 23, 2021 at 02:28:01PM +0100, David Howells wrote: > Now, is this important? There are no filesystems which do I/O to THPs > today. So it's not possible to pick up the fact that it doesn't work, > and I hope to have the page cache fixed soon. And fixing this now > will create more work later as part of fixing the page cache. But I > wouldn't feel right not mentioning this problem ... So I can leave the code as-is for the moment and it can be fixed with your patches? David