From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dog.elm.relay.mailchannels.net (dog.elm.relay.mailchannels.net [23.83.212.48]) by sourceware.org (Postfix) with ESMTPS id A97573857817 for ; Thu, 20 Jan 2022 14:57:31 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org A97573857817 Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=gotplt.org Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=gotplt.org X-Sender-Id: dreamhost|x-authsender|siddhesh@gotplt.org Received: from relay.mailchannels.net (localhost [127.0.0.1]) by relay.mailchannels.net (Postfix) with ESMTP id B615F2817BA; Thu, 20 Jan 2022 14:57:28 +0000 (UTC) Received: from pdx1-sub0-mail-a306.dreamhost.com (unknown [127.0.0.6]) (Authenticated sender: dreamhost) by relay.mailchannels.net (Postfix) with ESMTPA id 50DCC281931; Thu, 20 Jan 2022 14:57:28 +0000 (UTC) X-Sender-Id: dreamhost|x-authsender|siddhesh@gotplt.org Received: from pdx1-sub0-mail-a306.dreamhost.com (pop.dreamhost.com [64.90.62.162]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384) by 100.124.31.69 (trex/6.4.3); Thu, 20 Jan 2022 14:57:28 +0000 X-MC-Relay: Neutral X-MailChannels-SenderId: dreamhost|x-authsender|siddhesh@gotplt.org X-MailChannels-Auth-Id: dreamhost X-Soft-Eight: 1455db2c5e70750b_1642690648559_531557493 X-MC-Loop-Signature: 1642690648559:1302116643 X-MC-Ingress-Time: 1642690648559 Received: from [192.168.1.174] (unknown [1.186.224.209]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: siddhesh@gotplt.org) by pdx1-sub0-mail-a306.dreamhost.com (Postfix) with ESMTPSA id 4Jflwk68kGz1Pk; Thu, 20 Jan 2022 06:57:26 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha1; c=relaxed/relaxed; d=gotplt.org; s=gotplt.org; t=1642690648; bh=phVX6WJPyUeEbFqqxATKiei8ffE=; h=Date:Subject:To:Cc:From:Content-Type:Content-Transfer-Encoding; b=r/jJ+6bK0p/s0urFFJWPCEgLomJtKWXgzUzVPeWF0vq8aVzftWHGGLeQSzjWtMsyt UxwsGAK3lfdUCeYbby6UA9nPmc1sUy9bDpbGrHQ+Vo05/n46EO3q+eSW8HZ5jFjOaK aqs5tdnaXCztjcU2xi3OXCRgd33K/HwMwKv5jZYU= Message-ID: Date: Thu, 20 Jan 2022 20:27:18 +0530 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.4.0 Subject: Re: [PATCH v2 1/3] support: Add helpers to create paths longer than PATH_MAX Content-Language: en-US To: =?UTF-8?Q?Cristian_Rodr=c3=adguez?= Cc: libc-alpha@sourceware.org References: <20220119082147.3352868-1-siddhesh@sourceware.org> <20220119082147.3352868-2-siddhesh@sourceware.org> <6b838050-35ef-f867-6553-b50016b0ba14@gotplt.org> From: Siddhesh Poyarekar In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-3029.2 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, NICE_REPLY_A, RCVD_IN_BARRACUDACENTRAL, RCVD_IN_DNSWL_NONE, RCVD_IN_MSPIKE_H3, RCVD_IN_MSPIKE_WL, SPF_HELO_NONE, SPF_PASS, TXREP autolearn=no autolearn_force=no version=3.4.4 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on server2.sourceware.org X-BeenThere: libc-alpha@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Libc-alpha mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 20 Jan 2022 14:57:33 -0000 On 20/01/2022 20:17, Cristian Rodríguez wrote: > On Wed, Jan 19, 2022 at 7:21 AM Siddhesh Poyarekar wrote: >> >> On 19/01/2022 13:51, Siddhesh Poyarekar via Libc-alpha wrote: >>> Add new helpers support_create_and_chdir_toolong_temp_directory and >>> support_chdir_toolong_temp_directory to create and descend into >>> directory trees longer than PATH_MAX. > > Note that recentish linux kernel versions do not allow d_name 's > larger than kernel 's PATH_MAX definition, in that case getdents > returns EIO, this behavior is since kernel 5.5. > The d_name in these helpers is limited to _PC_NAME_MAX so AFAICT we shouldn't run into issues with that. Thanks, Siddhesh