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 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 AE2DFC433B4 for ; Mon, 12 Apr 2021 11:39:15 +0000 (UTC) Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [216.205.24.124]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 337936103D for ; Mon, 12 Apr 2021 11:39:15 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 337936103D Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=tempfail smtp.mailfrom=dm-devel-bounces@redhat.com DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1618227554; h=from:from:sender:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:list-id:list-help: list-unsubscribe:list-subscribe:list-post; bh=2mg8+Xgmsk4fpTJCjdnU79xqHiSEqjDAYwvB86P5ihQ=; b=ijTw4cupEZeslF7Z/M6pPRxpOs7QkTPQjCqn3e9MvRLXN7W/vhHoehIYin8l6+B6LsZkVm g8atcxNKnaehIHK/vlW4bX7Fwcam7rtiPtXMky3qqNTMR4wtZKRDWlA0/4ageQli96YMes atXZ5jrcQeFHjWguucfqKJ7KtO64E6w= 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-475-0c_ZRo9POZe2gtfATVxHVA-1; Mon, 12 Apr 2021 07:39:12 -0400 X-MC-Unique: 0c_ZRo9POZe2gtfATVxHVA-1 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id E10E0801814; Mon, 12 Apr 2021 11:39:06 +0000 (UTC) Received: from colo-mx.corp.redhat.com (colo-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.20]) by smtp.corp.redhat.com (Postfix) with ESMTPS id ED7955C1BB; Mon, 12 Apr 2021 11:39:05 +0000 (UTC) Received: from lists01.pubmisc.prod.ext.phx2.redhat.com (lists01.pubmisc.prod.ext.phx2.redhat.com [10.5.19.33]) by colo-mx.corp.redhat.com (Postfix) with ESMTP id 317A51806D0E; Mon, 12 Apr 2021 11:39:04 +0000 (UTC) Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) by lists01.pubmisc.prod.ext.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id 13CBbnXJ006250 for ; Mon, 12 Apr 2021 07:37:49 -0400 Received: by smtp.corp.redhat.com (Postfix) id E83735D730; Mon, 12 Apr 2021 11:37:49 +0000 (UTC) Received: from T590 (ovpn-12-111.pek2.redhat.com [10.72.12.111]) by smtp.corp.redhat.com (Postfix) with ESMTPS id ABF7B5D6DC; Mon, 12 Apr 2021 11:37:35 +0000 (UTC) Date: Mon, 12 Apr 2021 19:37:31 +0800 From: Ming Lei To: Christoph Hellwig Message-ID: References: <20210401021927.343727-1-ming.lei@redhat.com> <20210401021927.343727-8-ming.lei@redhat.com> <20210412101805.GB993044@infradead.org> MIME-Version: 1.0 In-Reply-To: <20210412101805.GB993044@infradead.org> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 X-loop: dm-devel@redhat.com Cc: Jens Axboe , Mike Snitzer , linux-block@vger.kernel.org, dm-devel@redhat.com, Jeffle Xu Subject: Re: [dm-devel] [PATCH V5 07/12] block: prepare for supporting bio_list via other link X-BeenThere: dm-devel@redhat.com X-Mailman-Version: 2.1.12 Precedence: junk List-Id: device-mapper development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: dm-devel-bounces@redhat.com Errors-To: dm-devel-bounces@redhat.com X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=dm-devel-bounces@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Disposition: inline Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit On Mon, Apr 12, 2021 at 11:18:05AM +0100, Christoph Hellwig wrote: > I'd so something s/prepare for supporting/support using/ for the title. > Can't say I like spreading the bio_list even more. > > Btw, what uses bi_next for the bios that are being polled? .bi_next is used for io merge after the bio is submitted to request queue, so we can't reuse it. -- Ming -- dm-devel mailing list dm-devel@redhat.com https://listman.redhat.com/mailman/listinfo/dm-devel 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 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 5AF15C433ED for ; Mon, 12 Apr 2021 11:37:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 35B6261244 for ; Mon, 12 Apr 2021 11:37:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237829AbhDLLiN (ORCPT ); Mon, 12 Apr 2021 07:38:13 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]:27662 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237792AbhDLLiM (ORCPT ); Mon, 12 Apr 2021 07:38:12 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1618227474; 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=w2hnPn4HUXfElyza3VitfbH0dkgzl9q6e/H7BJzZDiU=; b=OatX+abjdn/CWNcZG0rmROdzNMIpcGpdyNMbsXXK2if1VBlIf0jJbBYJUjKtaR8nksRqoJ VdgRkPhZC5KyGPtc6873HxmCHKmMOzENBYc9zIsX0+PFHExj+TgDZ/p3alWgtAxPsCrfEy TZHR1zXSsvCLavtenh+f+wYp468uW7M= 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-180-hC1J342ANrSFd-oeeZcDBw-1; Mon, 12 Apr 2021 07:37:51 -0400 X-MC-Unique: hC1J342ANrSFd-oeeZcDBw-1 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id E9BA264157; Mon, 12 Apr 2021 11:37:49 +0000 (UTC) Received: from T590 (ovpn-12-111.pek2.redhat.com [10.72.12.111]) by smtp.corp.redhat.com (Postfix) with ESMTPS id ABF7B5D6DC; Mon, 12 Apr 2021 11:37:35 +0000 (UTC) Date: Mon, 12 Apr 2021 19:37:31 +0800 From: Ming Lei To: Christoph Hellwig Cc: Jens Axboe , linux-block@vger.kernel.org, Jeffle Xu , Mike Snitzer , dm-devel@redhat.com, Hannes Reinecke Subject: Re: [PATCH V5 07/12] block: prepare for supporting bio_list via other link Message-ID: References: <20210401021927.343727-1-ming.lei@redhat.com> <20210401021927.343727-8-ming.lei@redhat.com> <20210412101805.GB993044@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210412101805.GB993044@infradead.org> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org On Mon, Apr 12, 2021 at 11:18:05AM +0100, Christoph Hellwig wrote: > I'd so something s/prepare for supporting/support using/ for the title. > Can't say I like spreading the bio_list even more. > > Btw, what uses bi_next for the bios that are being polled? .bi_next is used for io merge after the bio is submitted to request queue, so we can't reuse it. -- Ming