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=-5.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,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 148BAC433B4 for ; Sat, 8 May 2021 22:48:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D7B7E61421 for ; Sat, 8 May 2021 22:48:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229616AbhEHWtj (ORCPT ); Sat, 8 May 2021 18:49:39 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54710 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229577AbhEHWtj (ORCPT ); Sat, 8 May 2021 18:49:39 -0400 Received: from mail-lf1-x12c.google.com (mail-lf1-x12c.google.com [IPv6:2a00:1450:4864:20::12c]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DECA1C061574 for ; Sat, 8 May 2021 15:48:36 -0700 (PDT) Received: by mail-lf1-x12c.google.com with SMTP id c11so17908699lfi.9 for ; Sat, 08 May 2021 15:48:36 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux-foundation.org; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=0kA/KDUDO096vq2rEKxFXAZivI52axFruzSdRkQyvoI=; b=PWRMIeUKO0nmSZhexye/3YzAUVpInwAh7XXlaTHnWhlKIAuWvggExHJgbfmaYh9nR0 DRNpc5CAKtPEke/TFa5iaD4eYxQPerPxY17lVXLaNXY4SEls6TLdUjya9c5Rt62dxKkG IgPGuzEDzfaGsPkyXdCfqJY1xki5yy39Ae+Yg= 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=0kA/KDUDO096vq2rEKxFXAZivI52axFruzSdRkQyvoI=; b=Xla1niBoh4HXBheEXc4lF8fRj71gbXNOSZNw7a8u9ml4D/mN1m+l6lDb/DEVntg/m4 HHqZaaj/gCuwuGmqLyQRZ7xyyk/pGCcdRVK9xcbQfXij9qm16xFt1WKnxngfOSK+saa5 LC+meDwYquhdHD/LnEOoX/sCs7hWxkqApXwdY4nYdVdRNtIMUDOchPQAph5u0SGsnAL8 c3z+DmIM6PGG0/k0wb966jujHPs2EcukWnu5mClfxxQUpjh9RhXJdkNotDI8ONhcftiV gnlbK7Qc/sbfIZ+Btsp/gcTjT075/W0seUG5aqTcncX2MlUrgSyyX33MD7GiZwWGSUn0 x9zw== X-Gm-Message-State: AOAM533qTonU15BC6i0uavaQUzW35YWflVr7femRalHrC5iT7cjojYU+ 4s+Qz3+cGscsC5sGxL+3YjDXz3hf7FuJ+GnPQFU= X-Google-Smtp-Source: ABdhPJz+LSWXhprzyyHG80yJFZbnkCFlOTsunHyDiH96objbmfpQk+87v3hFEcyEaQ6QMfVSJdo1UA== X-Received: by 2002:ac2:43ac:: with SMTP id t12mr11317359lfl.258.1620514115306; Sat, 08 May 2021 15:48:35 -0700 (PDT) Received: from mail-lf1-f49.google.com (mail-lf1-f49.google.com. [209.85.167.49]) by smtp.gmail.com with ESMTPSA id p20sm2496217ljn.86.2021.05.08.15.48.34 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sat, 08 May 2021 15:48:34 -0700 (PDT) Received: by mail-lf1-f49.google.com with SMTP id c11so17908659lfi.9 for ; Sat, 08 May 2021 15:48:34 -0700 (PDT) X-Received: by 2002:ac2:5e6e:: with SMTP id a14mr10896192lfr.201.1620514114222; Sat, 08 May 2021 15:48:34 -0700 (PDT) MIME-Version: 1.0 References: <20210508122530.1971-1-justin.he@arm.com> <20210508122530.1971-2-justin.he@arm.com> In-Reply-To: From: Linus Torvalds Date: Sat, 8 May 2021 15:48:18 -0700 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [PATCH RFC 1/3] fs: introduce helper d_path_fast() To: Al Viro Cc: Jia He , Petr Mladek , Steven Rostedt , Sergey Senozhatsky , Andy Shevchenko , Rasmus Villemoes , Jonathan Corbet , Al Viro , Heiko Carstens , Vasily Gorbik , Christian Borntraeger , "Eric W . Biederman" , "Darrick J. Wong" , "Peter Zijlstra (Intel)" , Ira Weiny , Eric Biggers , "Ahmed S. Darwish" , "open list:DOCUMENTATION" , Linux Kernel Mailing List , linux-s390 , linux-fsdevel Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-doc@vger.kernel.org On Sat, May 8, 2021 at 3:46 PM Al Viro wrote: > > static inline struct mount *real_mount(struct vfsmount *mnt) > { > return container_of(mnt, struct mount, mnt); Too subtle for me indeed. Linus