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 1A43AC636D4 for ; Mon, 13 Feb 2023 11:17:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231146AbjBMLRC (ORCPT ); Mon, 13 Feb 2023 06:17:02 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57274 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230516AbjBMLQ7 (ORCPT ); Mon, 13 Feb 2023 06:16:59 -0500 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 42B0E18AB2 for ; Mon, 13 Feb 2023 03:15:50 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1676286947; 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=I9EmbCIQfylwGelzNLd9AZZbwXGcom6ymeHxaQr8/bA=; b=dKvyQy6HMDh6AJCqwoYPYSl5VlH/IpvUPOsPdCxi4x3siQoS82pUc109KXGlSSNmi+iWQL Ybld/x1rcwurDB9g8BjHdDukW9pJd7d0veQT5e4B8RQxs0lf4uHnwZqNbXx8kjdnSC44HQ X2GDrhK5Y7ksmnBqgHxKgJKDK44ulH4= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-175--PrZZsNwMnSPcZWbh6Nu3Q-1; Mon, 13 Feb 2023 06:15:41 -0500 X-MC-Unique: -PrZZsNwMnSPcZWbh6Nu3Q-1 Received: from smtp.corp.redhat.com (int-mx09.intmail.prod.int.rdu2.redhat.com [10.11.54.9]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id AB65185CCE0; Mon, 13 Feb 2023 11:15:40 +0000 (UTC) Received: from warthog.procyon.org.uk (unknown [10.33.36.24]) by smtp.corp.redhat.com (Postfix) with ESMTP id 94145492B03; Mon, 13 Feb 2023 11:15:38 +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: References: <20230209102954.528942-1-dhowells@redhat.com> <20230209102954.528942-4-dhowells@redhat.com> <1753989.1676283061@warthog.procyon.org.uk> To: Christoph Hellwig Cc: dhowells@redhat.com, Jens Axboe , Al Viro , Matthew Wilcox , Jan Kara , Jeff Layton , David Hildenbrand , Jason Gunthorpe , Logan Gunthorpe , Hillf Danton , linux-fsdevel@vger.kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, Christoph Hellwig , John Hubbard Subject: Re: [PATCH v13 03/12] splice: Do splice read from a buffered file without using ITER_PIPE MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-ID: <1830952.1676286937.1@warthog.procyon.org.uk> Date: Mon, 13 Feb 2023 11:15:37 +0000 Message-ID: <1830953.1676286937@warthog.procyon.org.uk> X-Scanned-By: MIMEDefang 3.1 on 10.11.54.9 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Christoph Hellwig wrote: > > > Also why doesn't this use init_sync_kiocb? > > > > I'm not sure I want ki_flags. > > Why? I'm not sure I want ki_flags setting from f_iocb_flags I should've said. I'm not sure how the IOCB_* flags that I import from there will affect the operation of the synchronous read splice. IOCB_NOWAIT, for example, or, for that matter, IOCB_APPEND. David