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[2620:137:e000::1:20]) by mx.google.com with ESMTP id cs16-20020a170906dc9000b006e7aa3c462esi5946187ejc.276.2022.05.19.06.53.56; Thu, 19 May 2022 06:54:23 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=temperror (no key for signature) header.i=@szeredi.hu header.s=google header.b=q3grboCQ; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238617AbiESNN7 (ORCPT + 99 others); Thu, 19 May 2022 09:13:59 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44470 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237099AbiESNNx (ORCPT ); Thu, 19 May 2022 09:13:53 -0400 Received: from mail-ej1-x631.google.com (mail-ej1-x631.google.com [IPv6:2a00:1450:4864:20::631]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 34BBBC6E5B for ; Thu, 19 May 2022 06:13:51 -0700 (PDT) Received: by mail-ej1-x631.google.com with SMTP id kq17so9897200ejb.4 for ; Thu, 19 May 2022 06:13:51 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=szeredi.hu; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=ABD0ZCZzk6/rDV7fRx/jwgpu1GPtQwsEFN4C6UN6MEo=; b=q3grboCQq6GN18wZpshIHKTxPmmbScxb0uN9zgqSQzBNHBnGWd4JhKgVaY5/sT3MID 1OuA4xXvLa9davt3/26E8OP+x+nad0SFYrj6UWRHt0FAuoOT0arDSj7NFT8/vzMCDY6s cENvjNurbAV9y0TJ7h06b9QrNhUrVn3urB5WU= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=ABD0ZCZzk6/rDV7fRx/jwgpu1GPtQwsEFN4C6UN6MEo=; b=jipQsG1Y1Bdypu1AQXximvLh1B/K6FDswjy0E3eVT7j+jH00AGY7EIyd9W9bcMVqiB SBNnJaeMZaLolDRBsuASlwy+2KcaHOQOGt96DGqknpe8A8ptIQWMBRO18lqUNfIyE/D4 buxguqBpVaySg2UO921deC3GgQS+HWuf8NaYhxrbW/waIozs3M9dY9LamNOxHtY5rGGV /z7pHPZ0IvdsKAs4nzjnWOkiBEjrmrwnmIhPO2B6WGdJGGwaengfl3/ayjS2xDs/GR8e SbqkatTI8kPFZprXKGogjzaVNadk01JsGPlEI5ikjoMU/nyE+/5c/MW7UjFlZr+EWXyG EcTw== X-Gm-Message-State: AOAM530Z5JoG9LO/6TQzX8ALP7sHmmqT5wkIISG7dWZ2yp917Y2Ol6Z8 MHq99DZMAeqfWIzRd7YLL13A0Uoq0mMMg97lj/LTTQ== X-Received: by 2002:a17:906:58d1:b0:6f4:6e61:dae with SMTP id e17-20020a17090658d100b006f46e610daemr4231902ejs.468.1652966029810; Thu, 19 May 2022 06:13:49 -0700 (PDT) MIME-Version: 1.0 References: <20220517100744.26849-1-dharamhans87@gmail.com> In-Reply-To: From: Miklos Szeredi Date: Thu, 19 May 2022 15:13:38 +0200 Message-ID: Subject: Re: [PATCH v5 0/3] FUSE: Implement atomic lookup + open/create To: Dharmendra Singh Cc: Vivek Goyal , linux-fsdevel@vger.kernel.org, fuse-devel , linux-kernel@vger.kernel.org, Bernd Schubert Content-Type: text/plain; charset="UTF-8" X-Spam-Status: No, score=-1.7 required=5.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS, T_SCC_BODY_TEXT_LINE autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 19 May 2022 at 11:39, Miklos Szeredi wrote: > Apparently in all of these cases we are doing at least one request, so > it would make sense to make them uniform: > > [not cached] > ->atomic_open() > CREATE_EXT > > [cached] > ->d_revalidate() > return 0 Note to self: invalidating a valid positive dentry would break things. Revalidation would need to be moved into ->atomic_open(), which is a bigger surgery. Oh well... Thanks, Miklos