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 5FB3EC636CC for ; Tue, 7 Feb 2023 10:45:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231688AbjBGKpq (ORCPT ); Tue, 7 Feb 2023 05:45:46 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46610 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230176AbjBGKpo (ORCPT ); Tue, 7 Feb 2023 05:45:44 -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 99BC82739 for ; Tue, 7 Feb 2023 02:44:53 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1675766692; 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=cReNp7hDj843BCfXnq5z9fX/qXUWLWCg2gp8gMVVH90=; b=L11WXZCcIpZQhHccCB7Ksv5pOuZIKko0EVXHFmlsAgqYc2VukdEUShKQzHejFUAmOojRoD 4yBamIW4zQtIbPq2AjG7vDWpgcnz6zHpvgYvXIJuX5x7yGnKaG5/SQSgrTHUGYdgEYklXT cE+pwU2hGTdDlUsRxASP8xgl2jQSC8k= 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-515-iHOssuylNCGAnJ8sr6nDAw-1; Tue, 07 Feb 2023 05:44:51 -0500 X-MC-Unique: iHOssuylNCGAnJ8sr6nDAw-1 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.rdu2.redhat.com [10.11.54.2]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id E73C6800050; Tue, 7 Feb 2023 10:44:50 +0000 (UTC) Received: from warthog.procyon.org.uk (unknown [10.33.36.97]) by smtp.corp.redhat.com (Postfix) with ESMTP id 969A240398A0; Tue, 7 Feb 2023 10:44:49 +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: <20230207094731.1390-1-hdanton@sina.com> References: <20230207094731.1390-1-hdanton@sina.com> To: Hillf Danton Cc: dhowells@redhat.com, Jens Axboe , Christoph Hellwig , David Hildenbrand , John Hubbard , linux-mm@kvack.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: Need help tracking down a bug in the bio-FOLL_PIN patches MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-ID: <3024112.1675766689.1@warthog.procyon.org.uk> Date: Tue, 07 Feb 2023 10:44:49 +0000 Message-ID: <3024113.1675766689@warthog.procyon.org.uk> X-Scanned-By: MIMEDefang 3.1 on 10.11.54.2 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hillf Danton wrote: > pipe_buf_release include/linux/pipe_fs_i.h:183 [inline] > iov_iter_revert.part.0+0x402/0x730 lib/iov_iter.c:935 > iov_iter_revert+0x4c/0x60 lib/iov_iter.c:919 Yeah. That seems to be the problem. Thanks, David