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=-5.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 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 13E5EC55185 for ; Wed, 22 Apr 2020 15:11:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E60B92073A for ; Wed, 22 Apr 2020 15:11:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726512AbgDVPLA (ORCPT ); Wed, 22 Apr 2020 11:11:00 -0400 Received: from mail-pf1-f195.google.com ([209.85.210.195]:46664 "EHLO mail-pf1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726002AbgDVPK7 (ORCPT ); Wed, 22 Apr 2020 11:10:59 -0400 Received: by mail-pf1-f195.google.com with SMTP id 145so1210961pfw.13; Wed, 22 Apr 2020 08:10:59 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=BpWmzLO4boJS/3NuyjpxKLUJHU99G06c2WaRP9JRw3U=; b=pv1y3mvya9UT5qCckTHElRSTa/3ZxMp6OvEOz4YukVN8LvMBgBXvcqPjZt80R9hBCY KXopewmlKcgaz0/g59tHdTDQkbDfj8OfOcEQx4EFqEhwRjczzxc61FlQOjbnayBuV1cG vix3qtLpuZ+5GoPPA5lUewe8HqbredHNugBr9F1DmLEWdxHnVGiiSDsOAVMnOglmVnUF uXMqLAZRQqjfoW/F0Sp1/znTg8iOr2NMKUOLZ0SxGRRge/1SJFQ7gyjUruZikZ4O+AHq Lgrod/f/JCrk2nHfP8+nV7n0zZcouVPeM9sAyOXhTXcv+fTACimpOA5KcsiqgzOZnx1k iCGQ== X-Gm-Message-State: AGi0PuYrCiFJ7VvyVE4R/Gq3jd7rSVDzCDE6bEBRtSbsQj6ZvXTAzFis BnT7QIEHmuAWgopa7vnWMjg= X-Google-Smtp-Source: APiQypKxUUHnj/wIbVHs6Yr09dany3cagZOY3KdJIbbj3FYX6ZdtyChy0un+L44MwTvT/APFqhlYaw== X-Received: by 2002:a65:4548:: with SMTP id x8mr26677950pgr.223.1587568258821; Wed, 22 Apr 2020 08:10:58 -0700 (PDT) Received: from [100.124.11.187] ([104.129.198.222]) by smtp.gmail.com with ESMTPSA id w9sm5990767pff.101.2020.04.22.08.10.57 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 22 Apr 2020 08:10:58 -0700 (PDT) Subject: Re: [PATCH 4/4] loop: Add LOOP_SET_FD_AND_STATUS ioctl. To: Martijn Coenen , axboe@kernel.dk, hch@lst.de, ming.lei@redhat.com Cc: narayan@google.com, zezeozue@google.com, kernel-team@android.com, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, maco@google.com, Chaitanya.Kulkarni@wdc.com References: <20200420080409.111693-1-maco@android.com> <20200420080409.111693-5-maco@android.com> From: Bart Van Assche Message-ID: <9eaa4dc8-cd8f-a4e9-e83d-f49f8b00ec0e@acm.org> Date: Wed, 22 Apr 2020 08:10:56 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.6.0 MIME-Version: 1.0 In-Reply-To: <20200420080409.111693-5-maco@android.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 4/20/20 1:04 AM, Martijn Coenen wrote: > diff --git a/include/uapi/linux/loop.h b/include/uapi/linux/loop.h > index 080a8df134ef..fcc9a693b588 100644 > --- a/include/uapi/linux/loop.h > +++ b/include/uapi/linux/loop.h > @@ -60,6 +60,11 @@ struct loop_info64 { > __u64 lo_init[2]; > }; > > +struct loop_fd_and_status { > + struct loop_info64 info; > + __u32 fd; > +}; > + > /* > * Loop filter types > */ > @@ -90,6 +95,7 @@ struct loop_info64 { > #define LOOP_SET_CAPACITY 0x4C07 > #define LOOP_SET_DIRECT_IO 0x4C08 > #define LOOP_SET_BLOCK_SIZE 0x4C09 > +#define LOOP_SET_FD_AND_STATUS 0x4C0A > > /* /dev/loop-control interface */ > #define LOOP_CTL_ADD 0x4C80 Should linux-api be Cc'ed for this patch or the entire patch series? From https://www.kernel.org/doc/man-pages/linux-api-ml.html: "Among other things, a primary goal of the list is to help answer the question: How do we even know when an interface has been added or changed?". Thanks, Bart.