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 EAA75EB64D9 for ; Mon, 10 Jul 2023 15:25:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229637AbjGJPZg (ORCPT ); Mon, 10 Jul 2023 11:25:36 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42408 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230399AbjGJPZf (ORCPT ); Mon, 10 Jul 2023 11:25:35 -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 8E9B7F2 for ; Mon, 10 Jul 2023 08:24:49 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1689002688; 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=KCZAC1J2F4Ug/n/AdrHDbXj+KJVCjsLZESfeaexbk/U=; b=HxN/z+Sjf5pMpTCo8RuRlzxAmWuAd1L2l9NZPP3XONqaRRkr3nz9w2BME9Yq6495jJ7WEi vRTkYW/84e0/JOJQt641BLM7YohSPHuddvBg5jSMVgVAvYFH9EdNCMrUH7lB8SLdwLRk7L 2OilC586q3a2kYTFruuStwD814go78I= 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-412-AvI_Ov2nOcqjIJsV9PwAFQ-1; Mon, 10 Jul 2023 11:24:47 -0400 X-MC-Unique: AvI_Ov2nOcqjIJsV9PwAFQ-1 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.rdu2.redhat.com [10.11.54.1]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 0E3B28F80FE; Mon, 10 Jul 2023 15:24:47 +0000 (UTC) Received: from file1-rdu.file-001.prod.rdu2.dc.redhat.com (unknown [10.11.5.21]) by smtp.corp.redhat.com (Postfix) with ESMTPS id EE84640C206F; Mon, 10 Jul 2023 15:24:45 +0000 (UTC) Received: by file1-rdu.file-001.prod.rdu2.dc.redhat.com (Postfix, from userid 12668) id DC73F30C0457; Mon, 10 Jul 2023 15:24:45 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by file1-rdu.file-001.prod.rdu2.dc.redhat.com (Postfix) with ESMTP id D83C03FB76; Mon, 10 Jul 2023 17:24:45 +0200 (CEST) Date: Mon, 10 Jul 2023 17:24:45 +0200 (CEST) From: Mikulas Patocka To: Li Nan , Jens Axboe cc: Zdenek Kabelac , Christoph Hellwig , linux-block@vger.kernel.org, dm-devel@redhat.com Subject: Re: [PATCH v2 3/4] brd: enable discard In-Reply-To: Message-ID: <4b6788d2-c6e1-948-22d-dbb7cbba657d@redhat.com> References: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII X-Scanned-By: MIMEDefang 3.1 on 10.11.54.1 Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org On Mon, 10 Jul 2023, Li Nan wrote: > Hi, Mikulas > > The lack of discard in ramdisk can cause some issues related to dm. see: > https://lore.kernel.org/all/20220228141354.1091687-1-luomeng12@huawei.com/ > > I noticed that your patch series has already supported discard for brd. But > this patch series has not been applied to mainline at present, may I ask if > you still plan to continue working on it? > > -- > Thanks, > Nan Hi I got no response from ramdisk maintainer Jens Axboe. We should ask him, whether he doesn't want discard on ramdisk at all or whether he wants it. Mikulas