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=-4.0 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED autolearn=no 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 8FBABC433DF for ; Fri, 14 Aug 2020 05:49:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3EBCD206A4 for ; Fri, 14 Aug 2020 05:49:10 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=tfz-net.20150623.gappssmtp.com header.i=@tfz-net.20150623.gappssmtp.com header.b="cvBvSNsG" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726124AbgHNFtJ (ORCPT ); Fri, 14 Aug 2020 01:49:09 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42506 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726006AbgHNFtH (ORCPT ); Fri, 14 Aug 2020 01:49:07 -0400 Received: from mail-wm1-x343.google.com (mail-wm1-x343.google.com [IPv6:2a00:1450:4864:20::343]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 71911C061757 for ; Thu, 13 Aug 2020 22:49:07 -0700 (PDT) Received: by mail-wm1-x343.google.com with SMTP id d190so6482194wmd.4 for ; Thu, 13 Aug 2020 22:49:07 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=tfz-net.20150623.gappssmtp.com; s=20150623; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=fBBZ1VE6Pl61w02scuLSTrYPkXkkmltKzTwwdi9Dq0s=; b=cvBvSNsGQMXqH9DBta9cyj9+60K2gEDrczZHyxiE8AJxJRKljzClHw97cLtJ2F07aW jswI2vSz37+TmOVWQFyqYFrCFMNaRh3Vc9wE0fxjHcNjto+yZaFcbEpQy+MKkzLBufLu AkOHko/GEmRONQjkTQ4mZ3G3AEI8SX6yV3rPr0ZVIm9J7fGisb+kbHJWf1x86bnHsKr3 3/MtNrjD7waRFt6sUM0f/2BIoXNbufacioD1ZVbHY+ZusXgJM9PNp7iQ+he+amu3U9Xc qNVrG52Qft+BPLUAmqlG1i4TeCsna6iyk2EtqF8zJzrr3VwjEOPtrt3fRwCXRly++M7Y TgRg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=fBBZ1VE6Pl61w02scuLSTrYPkXkkmltKzTwwdi9Dq0s=; b=ZRJlHPxd++kPNfidhMg2wvXTY03mv3uFGCkpXLYmXXrVBPMpX4GZpXWn4HAypn22VT UZJwZTVPlyNID0aK6ZpXpUBhemNOIkJmIDQ9pjtfz+taS6sy6mtLAzys9TgjKzMzVCP7 Q2NEcykQN6jX/nsH/7MQXR9XXMg6NOoaaXcqycCUs2VPA19qhiu/83SQSTwUzTeL1s8w D/HiGFRDldJgdGTyM7rtr2orTiJ4dzhO4cXRwIMOSJC2NpIuvCV/IG+hgExhue6y6ZeC R4/J51/3+CmOoo+0NUY/AvfjuapFewj/8r6I84tTcM4TJM9GQabfsI95NCJLhrOdumLX mXLQ== X-Gm-Message-State: AOAM533Ev5r6y+7YwmSr/rBtasxmI/5fZX8Zx1qia+Yq9POdYLDgTKJD HbswpCTg2U2/9r+7RkaT+rbybdvv5YTL2kjFkuCNRQ== X-Google-Smtp-Source: ABdhPJzmBEbq57a5AKVMkRh0f1Dj6D+omdtilofEgPXHIXGj3ylfJN8FqdFPh71kSsTOYaOAgWrNM0Gf9GAGwnRCIOI= X-Received: by 2002:a1c:bd56:: with SMTP id n83mr916007wmf.64.1597384145882; Thu, 13 Aug 2020 22:49:05 -0700 (PDT) MIME-Version: 1.0 References: <20200814035453.210716-1-kalou@tfz.net> <20200814035453.210716-3-kalou@tfz.net> <20200814052801.GA10141@infradead.org> In-Reply-To: <20200814052801.GA10141@infradead.org> From: Pascal Bouchareine Date: Thu, 13 Aug 2020 22:48:55 -0700 Message-ID: Subject: Re: [PATCH v4 2/2] fcntl: introduce F_SET_DESCRIPTION To: Christoph Hellwig Cc: linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-api@vger.kernel.org, Andrew Morton , Alexey Dobriyan , Al Viro , Jeff Layton , "J. Bruce Fields" Content-Type: text/plain; charset="UTF-8" Sender: linux-api-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-api@vger.kernel.org On Thu, Aug 13, 2020 at 10:28 PM Christoph Hellwig wrote: > > One intended usage is to allow processes to self-document sockets > > for netstat and friends to report > > NAK. There is no way we're going to bloat a criticial structure like > struct file for some vanity information like this. The useful case is for sockets - Is there a more suited place to do that? Do you think adding a setsockopt and sk_description to struct sock would work, or would be considered the same?