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 786BEEB64DC for ; Thu, 22 Jun 2023 22:20:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229743AbjFVWUq (ORCPT ); Thu, 22 Jun 2023 18:20:46 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49828 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229607AbjFVWUp (ORCPT ); Thu, 22 Jun 2023 18:20:45 -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 AADB21987 for ; Thu, 22 Jun 2023 15:19:58 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1687472397; 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: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=e8RTbUEcsXVxJGVp1cgZcgX/JYsR6GHDNvHugZoGaQ8=; b=f5els/K1GPNSTObvrQgKXZXV8Kslr+dA+dP+x/dJdcwSRnY2m6wUVxop7+AnYmBR9ojbIF +wO2JixVd8uL2aEhj+YFiqEL8CMakJ1uBnUMTZapICf/jy1ntllnWSBSM0orX3XTCQh0el eYWfo/gXllrf99I6Ce6Jx418FzW82TM= Received: from mail-wr1-f70.google.com (mail-wr1-f70.google.com [209.85.221.70]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-104-79dwWUSdNZSaE3rqSIrWgw-1; Thu, 22 Jun 2023 18:19:56 -0400 X-MC-Unique: 79dwWUSdNZSaE3rqSIrWgw-1 Received: by mail-wr1-f70.google.com with SMTP id ffacd0b85a97d-3112808cd0cso1658f8f.0 for ; Thu, 22 Jun 2023 15:19:56 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1687472395; x=1690064395; h=in-reply-to:content-transfer-encoding:content-disposition :mime-version:references:message-id:subject:cc:to:from:date :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=e8RTbUEcsXVxJGVp1cgZcgX/JYsR6GHDNvHugZoGaQ8=; b=cNmXWF/B+VDgiALqKx4qoBneeNXfkzw5XstqWJyJ9+TeO/AdBiaX5RdXtdJ7c3EWVc iG6ss7RGbhioAYKOTIZSBYF0cxg2jLnEp0a38IZj98wF6XhNftLQOuSofU1PhN9S9KC6 kDgHiaCcRzd3i/+pkvb1y/kH4WaaTX6yfzGJL08JHDDWo49uOX7pP6zMy/UFb3UrP3m6 rTwpUP+V6c7pbIjgOWcxZmyo4g8LX2PwWI3tY7s0+5D0Asl8SMe3gt3nBfwyidQ807Kt 2Wgk7JHSs3HRhb+fsJ3rcWN9cQubyx7OfFjsEG90yC0SNAb8KYN5zihf9klhXuwlpZvb M1yg== X-Gm-Message-State: AC+VfDzeaP+wxxH737rugQPMBU6J7SsTRqXxAE8jCdq8mbs4LrGHZ5zu vhLuRaBqQHOdfj3i/Hp+CX6yE+C5pTmZ/NR4lRo43pxtgzTPtRUDdHJeVZWakuw3V3cc2OaCaFN Elq7vj45aP8Ri4MEb/WM0KPxFryIIi3U= X-Received: by 2002:a5d:6884:0:b0:30f:bb0c:d19d with SMTP id h4-20020a5d6884000000b0030fbb0cd19dmr15604592wru.64.1687472395003; Thu, 22 Jun 2023 15:19:55 -0700 (PDT) X-Google-Smtp-Source: ACHHUZ5tGVFhj88K9vXN9dEIt7gC+lJIK47dxUwDE9o4afC0zIAZHaBYJ2sfg+xB/WDyPkaGjaGs7w== X-Received: by 2002:a5d:6884:0:b0:30f:bb0c:d19d with SMTP id h4-20020a5d6884000000b0030fbb0cd19dmr15604584wru.64.1687472394712; Thu, 22 Jun 2023 15:19:54 -0700 (PDT) Received: from redhat.com ([2.52.149.110]) by smtp.gmail.com with ESMTPSA id i15-20020a5d55cf000000b0030633152664sm7923108wrw.87.2023.06.22.15.19.52 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 22 Jun 2023 15:19:53 -0700 (PDT) Date: Thu, 22 Jun 2023 18:19:50 -0400 From: "Michael S. Tsirkin" To: Damien Le Moal Cc: Suwan Kim , Jens Axboe , linux-block@vger.kernel.org, Sam Li , virtualization Subject: Re: [PATCH] block: virtio-blk: Fix handling of zone append command completion Message-ID: <20230622181558-mutt-send-email-mst@kernel.org> References: <20230620083857.611153-1-dlemoal@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org On Fri, Jun 23, 2023 at 06:55:24AM +0900, Damien Le Moal wrote: > On 6/22/23 23:32, Suwan Kim wrote: > > On Tue, Jun 20, 2023 at 5:39 PM Damien Le Moal wrote: > >> > >> The introduction of completion batching with commit 07b679f70d73 > >> ("virtio-blk: support completion batching for the IRQ path") overlloked > >> handling correctly the completion of zone append operations, which > >> require an update of the request __sector field, as is done in > >> virtblk_request_done(): the function virtblk_complete_batch() only > >> executes virtblk_unmap_data() and virtblk_cleanup_cmd() without doing > >> this update. This causes problems with zone append operations, e.g. > >> zonefs complains about invalid zone append locations. > >> > > > > Hi Damien Le Moal, > > > > Unfortunately, this commit was reverted due to io hang. > > (afd384f0dbea2229fd11159efb86a5b41051c4a9) > > You can see the mail thread at the block layer mailing list. > > There is no commit afd384f0dbea2229fd11159efb86a5b41051c4a9 in Linus tree. What > patch are you talking about ? Where is it ? Either you didn't check recently enough, or there's some breakage and your CDN's not updating. If the later try poking kernel.org admins. This is the commit: commit afd384f0dbea2229fd11159efb86a5b41051c4a9 Author: Michael S. Tsirkin Date: Thu Jun 8 17:42:53 2023 -0400 Revert "virtio-blk: support completion batching for the IRQ path" you can get the patch from lore too: Message-Id: <336455b4f630f329380a8f53ee8cad3868764d5c.1686295549.git.mst@redhat.com> > > > We don't have a solution about io hang yet.. > > So I have one question. > > Is there any possibility of virtblk-driver io hang on zoned devices > > without this patch? > > If you are talking about the batch completion support being reverted, then my > fix patch is not necessary. The issue I fixed is not about IO hang but the fact > that completion processing was not identical for batch case vs non batch. That > led to breakage of the zone append command completion. The original support for > zone append without batch completion is fine. Yes that's great! I expect we'll reapply the batch completion down the road and then your patch would help! > > > > Regards, > > Suwan Kim > > -- > Damien Le Moal > Western Digital Research 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 smtp3.osuosl.org (smtp3.osuosl.org [140.211.166.136]) (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 9B699EB64DA for ; Thu, 22 Jun 2023 22:20:04 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp3.osuosl.org (Postfix) with ESMTP id 1340A6061B; Thu, 22 Jun 2023 22:20:04 +0000 (UTC) DKIM-Filter: OpenDKIM Filter v2.11.0 smtp3.osuosl.org 1340A6061B Authentication-Results: smtp3.osuosl.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256 header.s=mimecast20190719 header.b=f5els/K1 X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp3.osuosl.org ([127.0.0.1]) by localhost (smtp3.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id yYKcVEEgy3LU; 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Tsirkin" To: Damien Le Moal Subject: Re: [PATCH] block: virtio-blk: Fix handling of zone append command completion Message-ID: <20230622181558-mutt-send-email-mst@kernel.org> References: <20230620083857.611153-1-dlemoal@kernel.org> MIME-Version: 1.0 In-Reply-To: X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Disposition: inline Cc: Jens Axboe , linux-block@vger.kernel.org, Suwan Kim , virtualization , Sam Li X-BeenThere: virtualization@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Linux virtualization List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: virtualization-bounces@lists.linux-foundation.org Sender: "Virtualization" T24gRnJpLCBKdW4gMjMsIDIwMjMgYXQgMDY6NTU6MjRBTSArMDkwMCwgRGFtaWVuIExlIE1vYWwg d3JvdGU6Cj4gT24gNi8yMi8yMyAyMzozMiwgU3V3YW4gS2ltIHdyb3RlOgo+ID4gT24gVHVlLCBK dW4gMjAsIDIwMjMgYXQgNTozOeKAr1BNIERhbWllbiBMZSBNb2FsIDxkbGVtb2FsQGtlcm5lbC5v cmc+IHdyb3RlOgo+ID4+Cj4gPj4gVGhlIGludHJvZHVjdGlvbiBvZiBjb21wbGV0aW9uIGJhdGNo aW5nIHdpdGggY29tbWl0IDA3YjY3OWY3MGQ3Mwo+ID4+ICgidmlydGlvLWJsazogc3VwcG9ydCBj b21wbGV0aW9uIGJhdGNoaW5nIGZvciB0aGUgSVJRIHBhdGgiKSBvdmVybGxva2VkCj4gPj4gaGFu ZGxpbmcgY29ycmVjdGx5IHRoZSBjb21wbGV0aW9uIG9mIHpvbmUgYXBwZW5kIG9wZXJhdGlvbnMs IHdoaWNoCj4gPj4gcmVxdWlyZSBhbiB1cGRhdGUgb2YgdGhlIHJlcXVlc3QgX19zZWN0b3IgZmll bGQsIGFzIGlzIGRvbmUgaW4KPiA+PiB2aXJ0YmxrX3JlcXVlc3RfZG9uZSgpOiB0aGUgZnVuY3Rp b24gdmlydGJsa19jb21wbGV0ZV9iYXRjaCgpIG9ubHkKPiA+PiBleGVjdXRlcyB2aXJ0YmxrX3Vu bWFwX2RhdGEoKSBhbmQgdmlydGJsa19jbGVhbnVwX2NtZCgpIHdpdGhvdXQgZG9pbmcKPiA+PiB0 aGlzIHVwZGF0ZS4gVGhpcyBjYXVzZXMgcHJvYmxlbXMgd2l0aCB6b25lIGFwcGVuZCBvcGVyYXRp b25zLCBlLmcuCj4gPj4gem9uZWZzIGNvbXBsYWlucyBhYm91dCBpbnZhbGlkIHpvbmUgYXBwZW5k IGxvY2F0aW9ucy4KPiA+Pgo+ID4gCj4gPiBIaSBEYW1pZW4gTGUgTW9hbCwKPiA+IAo+ID4gVW5m b3J0dW5hdGVseSwgdGhpcyBjb21taXQgd2FzIHJldmVydGVkIGR1ZSB0byBpbyBoYW5nLgo+ID4g KGFmZDM4NGYwZGJlYTIyMjlmZDExMTU5ZWZiODZhNWI0MTA1MWM0YTkpCj4gPiBZb3UgY2FuIHNl ZSB0aGUgbWFpbCB0aHJlYWQgYXQgdGhlIGJsb2NrIGxheWVyIG1haWxpbmcgbGlzdC4KPiAKPiBU aGVyZSBpcyBubyBjb21taXQgYWZkMzg0ZjBkYmVhMjIyOWZkMTExNTllZmI4NmE1YjQxMDUxYzRh OSBpbiBMaW51cyB0cmVlLiBXaGF0Cj4gcGF0Y2ggYXJlIHlvdSB0YWxraW5nIGFib3V0ID8gV2hl cmUgaXMgaXQgPwoKRWl0aGVyIHlvdSBkaWRuJ3QgY2hlY2sgcmVjZW50bHkgZW5vdWdoLCBvciAg dGhlcmUncyBzb21lCmJyZWFrYWdlIGFuZCB5b3VyIENETidzIG5vdCB1cGRhdGluZy4gSWYgdGhl IGxhdGVyIHRyeQpwb2tpbmcga2VybmVsLm9yZyBhZG1pbnMuCgpUaGlzIGlzIHRoZSBjb21taXQ6 Cgpjb21taXQgYWZkMzg0ZjBkYmVhMjIyOWZkMTExNTllZmI4NmE1YjQxMDUxYzRhOQpBdXRob3I6 IE1pY2hhZWwgUy4gVHNpcmtpbiA8bXN0QHJlZGhhdC5jb20+CkRhdGU6ICAgVGh1IEp1biA4IDE3 OjQyOjUzIDIwMjMgLTA0MDAKCiAgICBSZXZlcnQgInZpcnRpby1ibGs6IHN1cHBvcnQgY29tcGxl dGlvbiBiYXRjaGluZyBmb3IgdGhlIElSUSBwYXRoIgoKeW91IGNhbiBnZXQgdGhlIHBhdGNoIGZy b20gbG9yZSB0b286CiAgICBNZXNzYWdlLUlkOiA8MzM2NDU1YjRmNjMwZjMyOTM4MGE4ZjUzZWU4 Y2FkMzg2ODc2NGQ1Yy4xNjg2Mjk1NTQ5LmdpdC5tc3RAcmVkaGF0LmNvbT4KCgo+IAo+ID4gV2Ug ZG9uJ3QgaGF2ZSBhIHNvbHV0aW9uIGFib3V0IGlvIGhhbmcgeWV0Li4KPiA+IFNvIEkgaGF2ZSBv bmUgcXVlc3Rpb24uCj4gPiBJcyB0aGVyZSBhbnkgcG9zc2liaWxpdHkgb2YgdmlydGJsay1kcml2 ZXIgaW8gaGFuZyBvbiB6b25lZCBkZXZpY2VzCj4gPiB3aXRob3V0IHRoaXMgcGF0Y2g/Cj4gCj4g SWYgeW91IGFyZSB0YWxraW5nIGFib3V0IHRoZSBiYXRjaCBjb21wbGV0aW9uIHN1cHBvcnQgYmVp bmcgcmV2ZXJ0ZWQsIHRoZW4gbXkKPiBmaXggcGF0Y2ggaXMgbm90IG5lY2Vzc2FyeS4gVGhlIGlz c3VlIEkgZml4ZWQgaXMgbm90IGFib3V0IElPIGhhbmcgYnV0IHRoZSBmYWN0Cj4gdGhhdCBjb21w bGV0aW9uIHByb2Nlc3Npbmcgd2FzIG5vdCBpZGVudGljYWwgZm9yIGJhdGNoIGNhc2UgdnMgbm9u IGJhdGNoLiBUaGF0Cj4gbGVkIHRvIGJyZWFrYWdlIG9mIHRoZSB6b25lIGFwcGVuZCBjb21tYW5k IGNvbXBsZXRpb24uIFRoZSBvcmlnaW5hbCBzdXBwb3J0IGZvcgo+IHpvbmUgYXBwZW5kIHdpdGhv dXQgYmF0Y2ggY29tcGxldGlvbiBpcyBmaW5lLgoKWWVzIHRoYXQncyBncmVhdCEgSSBleHBlY3Qg d2UnbGwgcmVhcHBseSB0aGUgYmF0Y2ggY29tcGxldGlvbgpkb3duIHRoZSByb2FkIGFuZCB0aGVu IHlvdXIgcGF0Y2ggd291bGQgaGVscCEKCj4gPiAKPiA+IFJlZ2FyZHMsCj4gPiBTdXdhbiBLaW0K PiAKPiAtLSAKPiBEYW1pZW4gTGUgTW9hbAo+IFdlc3Rlcm4gRGlnaXRhbCBSZXNlYXJjaAoKX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KVmlydHVhbGl6YXRp b24gbWFpbGluZyBsaXN0ClZpcnR1YWxpemF0aW9uQGxpc3RzLmxpbnV4LWZvdW5kYXRpb24ub3Jn Cmh0dHBzOi8vbGlzdHMubGludXhmb3VuZGF0aW9uLm9yZy9tYWlsbWFuL2xpc3RpbmZvL3ZpcnR1 YWxpemF0aW9u