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 ED627C77B7A for ; Wed, 24 May 2023 07:36:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239494AbjEXHgw (ORCPT ); Wed, 24 May 2023 03:36:52 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38118 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239972AbjEXHgv (ORCPT ); Wed, 24 May 2023 03:36:51 -0400 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CCD299D for ; Wed, 24 May 2023 00:35:48 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1684913748; 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=vvK6Z2AVFSI9O3ecKj+peO5KkO7IQHk2/yqFJ3/8oK8=; b=FQHD1ti0vGreod44fZiiC+q3FLAOHNK/OG5xa7XoMrnu5QPMRKM3tYXCiNBa+jd08p5iQy zNqOllNBO/xArKf0aVz59L+Gl9b/65vPQLZsaxQKc/eshWLNdOuSuVfQgBBL4EC0H7Zc6X gK9lQnfXSwP0bStCACcB6JQOLnQ/E0w= 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-388-49PEef-7NZij7YL6FX6QFA-1; Wed, 24 May 2023 03:35:43 -0400 X-MC-Unique: 49PEef-7NZij7YL6FX6QFA-1 Received: from smtp.corp.redhat.com (int-mx10.intmail.prod.int.rdu2.redhat.com [10.11.54.10]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 38BCF80027F; Wed, 24 May 2023 07:35:42 +0000 (UTC) Received: from warthog.procyon.org.uk (unknown [10.39.192.68]) by smtp.corp.redhat.com (Postfix) with ESMTP id BCF04492B0A; Wed, 24 May 2023 07:35:39 +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: <20230522205744.2825689-1-dhowells@redhat.com> <168487791137.449781.3170440352656135902.b4-ty@kernel.dk> To: Christoph Hellwig Cc: dhowells@redhat.com, Jens Axboe , Al Viro , Matthew Wilcox , Jan Kara , Jeff Layton , David Hildenbrand , Logan Gunthorpe , Hillf Danton , Christian Brauner , Linus Torvalds , linux-fsdevel@vger.kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, Jason Gunthorpe Subject: Re: [PATCH v21 0/6] block: Use page pinning MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-ID: <3206938.1684913738.1@warthog.procyon.org.uk> Date: Wed, 24 May 2023 08:35:39 +0100 Message-ID: <3206939.1684913739@warthog.procyon.org.uk> X-Scanned-By: MIMEDefang 3.1 on 10.11.54.10 Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org Christoph Hellwig wrote: > > Applied, thanks! > > This ended up on the for-6.5/block branch, but I think it needs to be > on the splice one, as that is pre-requisite unless I'm missing > something. Indeed. As I noted in the cover note: This requires the splice-read patchset to have been applied first, otherwise reversion of the ITER_PAGE iterator can race with truncate and return pages to the allocator whilst they're still undergoing DMA[2]. David