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 39BCCC54E94 for ; Tue, 24 Jan 2023 18:38:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233869AbjAXSiV (ORCPT ); Tue, 24 Jan 2023 13:38:21 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41338 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233900AbjAXSiK (ORCPT ); Tue, 24 Jan 2023 13:38:10 -0500 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 43A932BF13 for ; Tue, 24 Jan 2023 10:37:25 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1674585444; 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=uZwECejmisQ0fjshTfnhZV5crtPOU/wzqGiZf40ig2g=; b=iU0soMOG8SuQWIw9va7AloUB3f7+SjbV5RAuXA+XQKDNcKzAyr2C9rDi11jpb7u5HaA/SS 7AVzfDS0+4WK/ZV/GvLFc62qQmOjpVyP4bNe0IFuaTh7N5LT1YpiN1w/K44mGos7a6HRbI prPBrU2jrzSUWSf5EkmhlHoRrrbDqmc= 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-170-jhcozZ53NgWu-gSrQeZ6cQ-1; Tue, 24 Jan 2023 13:37:20 -0500 X-MC-Unique: jhcozZ53NgWu-gSrQeZ6cQ-1 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.rdu2.redhat.com [10.11.54.5]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 6A816802D1A; Tue, 24 Jan 2023 18:37:19 +0000 (UTC) Received: from warthog.procyon.org.uk (unknown [10.33.36.97]) by smtp.corp.redhat.com (Postfix) with ESMTP id EFFE753A0; Tue, 24 Jan 2023 18:37:17 +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: <2431ffa0-4a37-56a2-17fa-74a5f681bcb8@redhat.com> <20230123173007.325544-1-dhowells@redhat.com> <20230123173007.325544-8-dhowells@redhat.com> <874829.1674571671@warthog.procyon.org.uk> <875433.1674572633@warthog.procyon.org.uk> To: Christoph Hellwig Cc: dhowells@redhat.com, David Hildenbrand , Al Viro , Matthew Wilcox , Jens Axboe , Jan Kara , Jeff Layton , Logan Gunthorpe , linux-fsdevel@vger.kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, Christoph Hellwig Subject: Re: [PATCH v8 07/10] block: Switch to pinning pages. MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-ID: <1291657.1674585437.1@warthog.procyon.org.uk> Date: Tue, 24 Jan 2023 18:37:17 +0000 Message-ID: <1291658.1674585437@warthog.procyon.org.uk> X-Scanned-By: MIMEDefang 3.1 on 10.11.54.5 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Christoph Hellwig wrote: > + WARN_ON_ONCE(bio_flagged(bio, BIO_PAGE_REFFED)); It's still set by fs/direct-io.c. David