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=-8.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS autolearn=unavailable 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 B7FF7C433E2 for ; Fri, 28 Aug 2020 07:08:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 78E2B208C9 for ; Fri, 28 Aug 2020 07:08:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1598598514; bh=ZvYOOOLLhxM1hflSpZB75b7Lg8qtxAvJHgbIokXn4jw=; h=References:In-Reply-To:From:Date:Subject:To:Cc:List-ID:From; b=D4ud30+scdOOO1mw81eyjUBSbOed9UwFddlwHFJedWNyOBC8l60HRcgV4smb+pNAd CmKx+PApKwDiDPVgnHR/SB1WMH3zVDVY5yPog+jn4OTOcpBrhqjTzINeEBbAIawSKv Yj08ao87D7wcAKqfOUvEov+Vam9xrQuskXmUMzUQ= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728360AbgH1HI1 (ORCPT ); Fri, 28 Aug 2020 03:08:27 -0400 Received: from mail.kernel.org ([198.145.29.99]:60604 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728320AbgH1HIZ (ORCPT ); Fri, 28 Aug 2020 03:08:25 -0400 Received: from mail-lj1-f172.google.com (mail-lj1-f172.google.com [209.85.208.172]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 3AF3F208C9; Fri, 28 Aug 2020 07:08:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1598598504; bh=ZvYOOOLLhxM1hflSpZB75b7Lg8qtxAvJHgbIokXn4jw=; h=References:In-Reply-To:From:Date:Subject:To:Cc:From; b=MrpZP9sPl3pous88EkRmY3yTSpWSvUUC5YeJANAq8ckaIlm1RQmHNUpeakTgx/zAs 5bEFHU+SWHVm0l2EZ/LMKJXPnh7FTgP0Pew+/mIYlU84amOdvkW716KOLoF6zlPwr3 j4uJ6bxLirJEyq2ci3jNFFAQdZISFl3n4Tb1EYPs= Received: by mail-lj1-f172.google.com with SMTP id w14so166663ljj.4; Fri, 28 Aug 2020 00:08:24 -0700 (PDT) X-Gm-Message-State: AOAM530nlsvbbLAYKnO43fCqJxhdpxcjdxUavgzzhpca7u3dnjmeK05f uqdl6uICbFs4NQ4SrQb8DwfKYBoHNbakdyUl/O4= X-Google-Smtp-Source: ABdhPJwDxwnTegqkGcim7YBtcif4W/XgOp/pZ2Mqt5pw3/OWQc7tRq9NrRCJraTuvVs/Zn6bXxCKz9TpF2uvlyIvdB4= X-Received: by 2002:a2e:7504:: with SMTP id q4mr222246ljc.41.1598598502529; Fri, 28 Aug 2020 00:08:22 -0700 (PDT) MIME-Version: 1.0 References: <20200826062446.31860-1-hch@lst.de> <20200826062446.31860-13-hch@lst.de> In-Reply-To: <20200826062446.31860-13-hch@lst.de> From: Song Liu Date: Fri, 28 Aug 2020 00:08:11 -0700 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [PATCH 12/19] md: use __register_blkdev to allocate devices on demand To: Christoph Hellwig Cc: Jens Axboe , Greg Kroah-Hartman , "Rafael J. Wysocki" , Denis Efremov , "David S. Miller" , Al Viro , linux-block@vger.kernel.org, open list , linux-ide@vger.kernel.org, linux-raid , linux-scsi@vger.kernel.org, linux-m68k@lists.linux-m68k.org Content-Type: text/plain; charset="UTF-8" Sender: linux-ide-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-ide@vger.kernel.org On Tue, Aug 25, 2020 at 11:53 PM Christoph Hellwig wrote: > > Use the simpler mechanism attached to major_name to allocate a brd device > when a currently unregistered minor is accessed. > > Signed-off-by: Christoph Hellwig Acked-by: Song Liu