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=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS autolearn=ham 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 A225EC3279B for ; Fri, 6 Jul 2018 17:45:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 4EF09224C6 for ; Fri, 6 Jul 2018 17:45:26 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 4EF09224C6 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933921AbeGFRpX (ORCPT ); Fri, 6 Jul 2018 13:45:23 -0400 Received: from mail-qk0-f196.google.com ([209.85.220.196]:40634 "EHLO mail-qk0-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933197AbeGFRpV (ORCPT ); Fri, 6 Jul 2018 13:45:21 -0400 Received: by mail-qk0-f196.google.com with SMTP id b129-v6so6733003qke.7 for ; Fri, 06 Jul 2018 10:45:21 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:message-id:subject:from:to:cc:date:in-reply-to :references:mime-version:content-transfer-encoding; bh=lZJ2JXMAAk2+iiRBvHxzA5WSTw49byCnNQvnMw2zD6w=; b=MvGz7YwEA2k3kW9zX6Kli9JmhC2G3oPzN7UgDmvnhXcUus6Iy3416L/sYQKLh0Sr2P V8tysJNdjq2ymcentF0/sZiqIhymPm7jKtLhcHHbUlGWoeqRoa1P8RqD2qGgGdto0Qu6 PoRkT+bLNN/58tTNRM6tLAPb5BGHOMNkHEcLt9p6ooG768Joa8RhxhnbEvt6p3uI6xh2 ZlYx9IFOSj0Zv2J8oHJerPFtqmvFj5Cdjz9Uq/BO4Rx4jcdrFCx4FmCGCOfS2+cuhiCA TaPdbPRt1z+NwbWLWJykRWGDjnh77JGoF2Kd07E2lsXumAuWg28W79RhMxaJOL3xRPKC kHwQ== X-Gm-Message-State: APt69E3S9l2N50qXELA9GlF+vQ6F8T2HC5aSAmctjVrQ1a77jB6/PxOU FISKBRehLSiChVlqi/vE1VAQpw== X-Google-Smtp-Source: AAOMgpc3hb/oU0pzT6rlVPJDHgcRLXtEkW7kOTFsPlUcaHwQMaXkw0dPUmlQtksOKzf26LOIIN8DdQ== X-Received: by 2002:a37:9f4c:: with SMTP id i73-v6mr9496332qke.136.1530899120444; Fri, 06 Jul 2018 10:45:20 -0700 (PDT) Received: from loberhel74 (174-083-000-020.dhcp.chtrptr.net. [174.83.0.20]) by smtp.gmail.com with ESMTPSA id r13-v6sm1324254qke.21.2018.07.06.10.45.19 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 06 Jul 2018 10:45:19 -0700 (PDT) Message-ID: <1530899118.31977.1.camel@redhat.com> Subject: Re: [PATCH 0/2] null_blk: zone support From: Laurence Oberman To: Matias =?ISO-8859-1?Q?Bj=F8rling?= , axboe@fb.com Cc: linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, bart.vanassche@wdc.com, damien.lemoal@wdc.com Date: Fri, 06 Jul 2018 13:45:18 -0400 In-Reply-To: <20180706173839.28355-1-mb@lightnvm.io> References: <20180706173839.28355-1-mb@lightnvm.io> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.22.6 (3.22.6-10.el7) Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 2018-07-06 at 19:38 +0200, Matias Bjørling wrote: > This series adds support for exposing a zone block device using the > null_blk device driver. > > The first patch moves core null_blk data structures to a shared > header > file. The second implements the actual zone support. The patchset > adds > two new options. One to enable the zone interface, and another to > define the size of the zones to expose. > > Thanks, > Matias > > Matias Bjørling (2): >   null_blk: move shared definitions to header file >   null_blk: add zone support > >  Documentation/block/null_blk.txt |   7 ++ >  drivers/block/Makefile           |   5 +- >  drivers/block/null_blk.c         | 124 ++++++++++++----------------- > --- >  drivers/block/null_blk.h         | 108 ++++++++++++++++++++++++++++ >  drivers/block/null_blk_zoned.c   | 149 > +++++++++++++++++++++++++++++++++++++++ >  5 files changed, 315 insertions(+), 78 deletions(-) >  create mode 100644 drivers/block/null_blk.h >  create mode 100644 drivers/block/null_blk_zoned.c > Thank you for this will be very useful. I will test it to add value. I dont know the code well enough to review it Regards Laurence