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 2CAB0C4332F for ; Wed, 24 Nov 2021 07:22:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240995AbhKXHZv (ORCPT ); Wed, 24 Nov 2021 02:25:51 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38152 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S241010AbhKXHZu (ORCPT ); Wed, 24 Nov 2021 02:25:50 -0500 Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:e::133]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1BFCEC061714; Tue, 23 Nov 2021 23:22:41 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=In-Reply-To:Content-Type:MIME-Version :References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=KZFBMQ8sXX5veF02o0GTPxkdseQuzOQdI9/4JIqRRwA=; b=j7XqXmrOn+xYNs1cxUaKDxxIzN zJwp/GQ053mzG58fC3IZVapJjzt8QCXBPAZM9X8eOmxnf59Yx1qBZKuui40CZP49cN3Rb6qCl8Men Gy2MAzH0vA4QE5nfiGEYIqrN3PF/KyO7RHlNOMOGz9/+ucqoIBlL3rEsW//xepwpifM2SwiwDWjIY cYsgKEDiKjY3AsXc9ROmU1PprUWNRVfPpddycmIuHPZLL7nzETg3I6q99MkhKEZjxv96hscDEAwoU wu/j2HuFKHwDf58jw+gfDOzy5cYgnyn/CpwaNOVJOBcO/Mp/QCvZOvFGiuAHaZvvqBeE69O0a+zwn LHzCJwew==; Received: from hch by bombadil.infradead.org with local (Exim 4.94.2 #2 (Red Hat Linux)) id 1mpmc2-0044bY-GE; Wed, 24 Nov 2021 07:22:38 +0000 Date: Tue, 23 Nov 2021 23:22:38 -0800 From: "hch@infradead.org" To: Qu Wenruo Cc: "hch@infradead.org" , Johannes Thumshirn , Linux FS Devel , "dm-devel@redhat.com" , "linux-btrfs@vger.kernel.org" Subject: Re: Any bio_clone_slow() implementation which doesn't share bi_io_vec? Message-ID: References: <79d38fc2-cd2f-2980-2c4e-408078ce6079@gmx.com> <133792e9-b89b-bc82-04fe-41202c3453a5@gmx.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org On Tue, Nov 23, 2021 at 11:02:52PM -0800, hch@infradead.org wrote: > > Does it mean as long as our splitted bio doesn't exceed zone limit, we > > can do the convert without any further problem? > > You need to look at the limits when splitting. I have modified > blk_bio_segment_split and exported it to deal with that. Let me split > those changes out cleanly and push out a branch. Here: http://git.infradead.org/users/hch/block.git/shortlog/refs/heads/zone-append-split 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 us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 09B5FC433EF for ; Wed, 24 Nov 2021 07:22:56 +0000 (UTC) Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-189-_mUUEDRBNr2mdD0_-lp8vw-1; Wed, 24 Nov 2021 02:22:54 -0500 X-MC-Unique: _mUUEDRBNr2mdD0_-lp8vw-1 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 51A978042E2; Wed, 24 Nov 2021 07:22:48 +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 B1A8F2B178; Wed, 24 Nov 2021 07:22:47 +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 E9DC51809C89; Wed, 24 Nov 2021 07:22:46 +0000 (UTC) Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.rdu2.redhat.com [10.11.54.1]) by lists01.pubmisc.prod.ext.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id 1AO7MiVD005275 for ; Wed, 24 Nov 2021 02:22:44 -0500 Received: by smtp.corp.redhat.com (Postfix) id 96EBA40CFD11; Wed, 24 Nov 2021 07:22:44 +0000 (UTC) Received: from mimecast-mx02.redhat.com (mimecast06.extmail.prod.ext.rdu2.redhat.com [10.11.55.22]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 91E0140149B1 for ; Wed, 24 Nov 2021 07:22:44 +0000 (UTC) Received: from us-smtp-1.mimecast.com (us-smtp-2.mimecast.com [205.139.110.61]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 595B718162C4 for ; Wed, 24 Nov 2021 07:22:44 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-248-_BOBpMOHNGKbg0CZ_FXHFg-1; Wed, 24 Nov 2021 02:22:42 -0500 X-MC-Unique: _BOBpMOHNGKbg0CZ_FXHFg-1 Received: from hch by bombadil.infradead.org with local (Exim 4.94.2 #2 (Red Hat Linux)) id 1mpmc2-0044bY-GE; Wed, 24 Nov 2021 07:22:38 +0000 Date: Tue, 23 Nov 2021 23:22:38 -0800 From: "hch@infradead.org" To: Qu Wenruo Message-ID: References: <79d38fc2-cd2f-2980-2c4e-408078ce6079@gmx.com> <133792e9-b89b-bc82-04fe-41202c3453a5@gmx.com> MIME-Version: 1.0 In-Reply-To: X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html X-Mimecast-Impersonation-Protect: Policy=CLT - Impersonation Protection Definition; Similar Internal Domain=false; Similar Monitored External Domain=false; Custom External Domain=false; Mimecast External Domain=false; Newly Observed Domain=false; Internal User Name=false; Custom Display Name List=false; Reply-to Address Mismatch=false; Targeted Threat Dictionary=false; Mimecast Threat Dictionary=false; Custom Threat Dictionary=false X-Scanned-By: MIMEDefang 2.84 on 10.11.54.1 X-loop: dm-devel@redhat.com Cc: "hch@infradead.org" , Johannes Thumshirn , "dm-devel@redhat.com" , Linux FS Devel , "linux-btrfs@vger.kernel.org" Subject: Re: [dm-devel] Any bio_clone_slow() implementation which doesn't share bi_io_vec? 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 10.5.11.11 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 Tue, Nov 23, 2021 at 11:02:52PM -0800, hch@infradead.org wrote: > > Does it mean as long as our splitted bio doesn't exceed zone limit, we > > can do the convert without any further problem? > > You need to look at the limits when splitting. I have modified > blk_bio_segment_split and exported it to deal with that. Let me split > those changes out cleanly and push out a branch. Here: http://git.infradead.org/users/hch/block.git/shortlog/refs/heads/zone-append-split -- dm-devel mailing list dm-devel@redhat.com https://listman.redhat.com/mailman/listinfo/dm-devel