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[96.44.142.75]) by smtp.gmail.com with ESMTPSA id k9sm364371otr.66.2021.10.07.23.49.28 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 07 Oct 2021 23:49:29 -0700 (PDT) From: "Javier =?utf-8?B?R29uesOhbGV6?=" X-Google-Original-From: Javier =?utf-8?B?R29uesOhbGV6?= Date: Fri, 8 Oct 2021 08:49:25 +0200 To: Bart Van Assche Cc: Johannes Thumshirn , Chaitanya Kulkarni , "linux-block@vger.kernel.org" , "linux-scsi@vger.kernel.org" , "linux-nvme@lists.infradead.org" , "dm-devel@redhat.com" , "lsf-pc@lists.linux-foundation.org" , "axboe@kernel.dk" , "msnitzer@redhat.com" , "martin.petersen@oracle.com" , "roland@purestorage.com" , "mpatocka@redhat.com" , "hare@suse.de" , "kbusch@kernel.org" , "rwheeler@redhat.com" , "hch@lst.de" , "Frederick.Knight@netapp.com" , "zach.brown@ni.com" , "osandov@fb.com" , Adam Manzanares , SelvaKumar S , Nitesh Shetty , Kanchan Joshi , Vincent Fu Subject: Re: [LSF/MM/BFP ATTEND] [LSF/MM/BFP TOPIC] Storage: Copy Offload Message-ID: <20211008064925.oyjxbmngghr2yovr@mpHalley.local> References: <20210928191340.dcoj7qrclpudtjbo@mpHalley.domain_not_set.invalid> <20211006100523.7xrr3qpwtby3bw3a@mpHalley.domain_not_set.invalid> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org On 06.10.2021 10:33, Bart Van Assche wrote: >On 10/6/21 3:05 AM, Javier González wrote: >>I agree that the topic is complex. However, we have not been able to >>find a clear path forward in the mailing list. > >Hmm ... really? At least Martin Petersen and I consider device mapper >support essential. How about starting from Mikulas' patch series that >supports the device mapper? See also https://lore.kernel.org/all/alpine.LRH.2.02.2108171630120.30363@file01.intranet.prod.int.rdu2.redhat.com/ Thanks for the pointers. We are looking into Mikulas' patch - I agree that it is a good start. >>What do you think about joining the call to talk very specific next >>steps to get a patchset that we can start reviewing in detail. > >I can do that. Thanks. I will wait until Chaitanya's reply on his questions. We will start suggesting some dates then. Thanks, Javier 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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D33D0C433EF for ; Fri, 8 Oct 2021 06:49:52 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 8CF5C60F11 for ; Fri, 8 Oct 2021 06:49:52 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 8CF5C60F11 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=javigon.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:Content-Type: Content-Transfer-Encoding:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References:Message-ID: Subject:Cc:To:Date:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=ky+RinEh6o5ln/GfG2kymNJxKTdtRZcPMDeB074rGT4=; b=CBuBHuCeKN7ZrjEf50oP/IT1Ec JkI6/OR+nozKQMYyV/TRc/+mhWq2QOoX1QHV/qt6WZTXa9n/np/aqBQ9XH9lU5zcyDsasERpwd7ZB K0U/Ahm+PK7uvM5ZYYXjfotncfpCr4glyXxDtglHEhTD77BAdssgBj2vuCayoUYU9d7lIsefJbrBt bFX0kSD97e5u8aR6vGeN9P1a45yUsjqnv57PolBak8kKWRslAvycQs6xhORy6zKPNztR3DfpqUbtJ 08q/qhnYdmsAujayKScX/7vvB1NkRH8OIyp0/z23MKxCOinnWhmy4wQenzVc0UZ5iRhVZ7M2d7rwD dw7ytd6g==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mYjhG-001ksy-7O; Fri, 08 Oct 2021 06:49:34 +0000 Received: from mail-ot1-x341.google.com ([2607:f8b0:4864:20::341]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mYjhD-001kru-0c for linux-nvme@lists.infradead.org; Fri, 08 Oct 2021 06:49:32 +0000 Received: by mail-ot1-x341.google.com with SMTP id w10-20020a056830280a00b0054e4e6c85a6so1534260otu.5 for ; Thu, 07 Oct 2021 23:49:30 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=javigon-com.20210112.gappssmtp.com; s=20210112; h=from:date:to:cc:subject:message-id:references:mime-version :content-disposition:content-transfer-encoding:in-reply-to; bh=kWdIriwExu4LlJQU964sGxqqg1QcebE7i1wdIsD6J4k=; b=F+pf4LO3Ma1Iz4xpY8hOLtbitkZ9Y1ZMh2/WQR5vW7L5b4Et5pUSRwwEm7QlaDDzzo 3CF0cMPwrYUL1J2zBX3ZIQFeCbW0W7XDqfGAilKWkev/u5RJLKdP0wr8YNAZGWxruu7v EYZCcBGNPQ3qRSOYQMoM+XgtM9Jrz7UVm3HS7aGiXqF+cOXW7bdwdH62Oez9VVr3tvFt Dbr3MdPy/G3T8jqF5BXhZ31vhH9VVxGRbzfbhgWI0A2uUcUR3XHhQioA9Z38etszvG1J 9YTr1PiA28SNtWLMWdS8tsYOugthDTnwVvgvu07jlWHuW/Zk+Xaz+bF0DpC2FVmG6pZc 5aqg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:date:to:cc:subject:message-id:references :mime-version:content-disposition:content-transfer-encoding :in-reply-to; bh=kWdIriwExu4LlJQU964sGxqqg1QcebE7i1wdIsD6J4k=; b=s4BnK3rPOlNy+ybYsb5eLW2f9K04JJ5f79rlt4uAZkU95Fzz7gdVndN+Z+nCLUOrqv hQ8WGCEmDtRVrGutRy2Rb162hH5hLqZ5BPOsrn+4nG28RPyk9EhPrYYMA3LNBGxDfwMe 7iT2LVcnvcAHTBjfQQJf1OMcGTfcPAEMlO6l4kWG4FKGAsZVVH8UcoBpVDEPyrz9uU4W RSEjnP4DsYaMa1aBGJmzDlzUJZ8kHBHvJoCa0HqoK2LnhmZkC/aZpWjfHDEjPxVhOLEn oaTrOJ+YdPJyznR11WLWpPcJM74KIgynoKlRKZJjyhPzlt3HmsDY/aEfMWjuRT9m7SLu wRaQ== X-Gm-Message-State: AOAM532/eDXAJwuHT51ciWhVrb7FKkkH1CVM2wyEadAqEFBYcVNbd1uh ns9hyqONuwKrqE3KJZnjXZcUuA== X-Google-Smtp-Source: ABdhPJy5QnapeLgcGWJ6jvzl+N+Y+bCEojADkeyAUGfRJJj/bp34o8DSnXn50k5+/PJLlpeQWlsNqw== X-Received: by 2002:a9d:7681:: with SMTP id j1mr7204557otl.367.1633675769488; Thu, 07 Oct 2021 23:49:29 -0700 (PDT) Received: from localhost (96.44.142.75.adsl.inet-telecom.org. [96.44.142.75]) by smtp.gmail.com with ESMTPSA id k9sm364371otr.66.2021.10.07.23.49.28 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 07 Oct 2021 23:49:29 -0700 (PDT) From: "Javier =?utf-8?B?R29uesOhbGV6?=" X-Google-Original-From: Javier =?utf-8?B?R29uesOhbGV6?= Date: Fri, 8 Oct 2021 08:49:25 +0200 To: Bart Van Assche Cc: Johannes Thumshirn , Chaitanya Kulkarni , "linux-block@vger.kernel.org" , "linux-scsi@vger.kernel.org" , "linux-nvme@lists.infradead.org" , "dm-devel@redhat.com" , "lsf-pc@lists.linux-foundation.org" , "axboe@kernel.dk" , "msnitzer@redhat.com" , "martin.petersen@oracle.com" , "roland@purestorage.com" , "mpatocka@redhat.com" , "hare@suse.de" , "kbusch@kernel.org" , "rwheeler@redhat.com" , "hch@lst.de" , "Frederick.Knight@netapp.com" , "zach.brown@ni.com" , "osandov@fb.com" , Adam Manzanares , SelvaKumar S , Nitesh Shetty , Kanchan Joshi , Vincent Fu Subject: Re: [LSF/MM/BFP ATTEND] [LSF/MM/BFP TOPIC] Storage: Copy Offload Message-ID: <20211008064925.oyjxbmngghr2yovr@mpHalley.local> References: <20210928191340.dcoj7qrclpudtjbo@mpHalley.domain_not_set.invalid> <20211006100523.7xrr3qpwtby3bw3a@mpHalley.domain_not_set.invalid> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211007_234931_125703_D7CB0FFC X-CRM114-Status: GOOD ( 10.59 ) X-BeenThere: linux-nvme@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Sender: "Linux-nvme" Errors-To: linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.org T24gMDYuMTAuMjAyMSAxMDozMywgQmFydCBWYW4gQXNzY2hlIHdyb3RlOgo+T24gMTAvNi8yMSAz OjA1IEFNLCBKYXZpZXIgR29uesOhbGV6IHdyb3RlOgo+PkkgYWdyZWUgdGhhdCB0aGUgdG9waWMg aXMgY29tcGxleC4gSG93ZXZlciwgd2UgaGF2ZSBub3QgYmVlbiBhYmxlIHRvCj4+ZmluZCBhIGNs ZWFyIHBhdGggZm9yd2FyZCBpbiB0aGUgbWFpbGluZyBsaXN0Lgo+Cj5IbW0gLi4uIHJlYWxseT8g QXQgbGVhc3QgTWFydGluIFBldGVyc2VuIGFuZCBJIGNvbnNpZGVyIGRldmljZSBtYXBwZXIgCj5z dXBwb3J0IGVzc2VudGlhbC4gSG93IGFib3V0IHN0YXJ0aW5nIGZyb20gTWlrdWxhcycgcGF0Y2gg c2VyaWVzIHRoYXQgCj5zdXBwb3J0cyB0aGUgZGV2aWNlIG1hcHBlcj8gU2VlIGFsc28gaHR0cHM6 Ly9sb3JlLmtlcm5lbC5vcmcvYWxsL2FscGluZS5MUkguMi4wMi4yMTA4MTcxNjMwMTIwLjMwMzYz QGZpbGUwMS5pbnRyYW5ldC5wcm9kLmludC5yZHUyLnJlZGhhdC5jb20vCgpUaGFua3MgZm9yIHRo ZSBwb2ludGVycy4gV2UgYXJlIGxvb2tpbmcgaW50byBNaWt1bGFzJyBwYXRjaCAtIEkgYWdyZWUK dGhhdCBpdCBpcyBhIGdvb2Qgc3RhcnQuCgo+PldoYXQgZG8geW91IHRoaW5rIGFib3V0IGpvaW5p bmcgdGhlIGNhbGwgdG8gdGFsayB2ZXJ5IHNwZWNpZmljIG5leHQKPj5zdGVwcyB0byBnZXQgYSBw YXRjaHNldCB0aGF0IHdlIGNhbiBzdGFydCByZXZpZXdpbmcgaW4gZGV0YWlsLgo+Cj5JIGNhbiBk byB0aGF0LgoKVGhhbmtzLiBJIHdpbGwgd2FpdCB1bnRpbCBDaGFpdGFueWEncyByZXBseSBvbiBo aXMgcXVlc3Rpb25zLiBXZSB3aWxsCnN0YXJ0IHN1Z2dlc3Rpbmcgc29tZSBkYXRlcyB0aGVuLgoK VGhhbmtzLApKYXZpZXIKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fCkxpbnV4LW52bWUgbWFpbGluZyBsaXN0CkxpbnV4LW52bWVAbGlzdHMuaW5mcmFkZWFk Lm9yZwpodHRwOi8vbGlzdHMuaW5mcmFkZWFkLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2xpbnV4LW52 bWUK