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 Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1FB8BC4167D for ; Wed, 13 Dec 2023 15:32:38 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id A431F6B02A9; Wed, 13 Dec 2023 10:32:37 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 9F2076B02AD; Wed, 13 Dec 2023 10:32:37 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 86B266B02AF; Wed, 13 Dec 2023 10:32:37 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0011.hostedemail.com [216.40.44.11]) by kanga.kvack.org (Postfix) with ESMTP id 74AA16B02A9 for ; Wed, 13 Dec 2023 10:32:37 -0500 (EST) Received: from smtpin11.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay10.hostedemail.com (Postfix) with ESMTP id 330A6C01C9 for ; Wed, 13 Dec 2023 15:32:37 +0000 (UTC) X-FDA: 81562187154.11.BDFDCD1 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by imf29.hostedemail.com (Postfix) with ESMTP id 3E10E120021 for ; Wed, 13 Dec 2023 15:32:35 +0000 (UTC) Authentication-Results: imf29.hostedemail.com; dkim=pass header.d=redhat.com header.s=mimecast20190719 header.b=fAMfBstP; dmarc=pass (policy=none) header.from=redhat.com; spf=pass (imf29.hostedemail.com: domain of dhowells@redhat.com designates 170.10.133.124 as permitted sender) smtp.mailfrom=dhowells@redhat.com ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1702481555; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=+hdM+h7N6TwHGhwIbks4CvwZuKV0xOWmxmNCull4QN4=; b=BejOc4EUwO7QX4w5tqz1ARKqpGn2v1KuyUfqh5vkSb7mNDDF75+ugMzfMkdxhx2BhRrhXS 6hO+VJi7FCjwYwfqLrbGI7IehgkvTJDV0VAKcFRV6cHP/AbNwDNAOBiwTks4Uwfkciln1u iFNpI67F3vnzZf74SnlA3ee+c4akPZo= ARC-Authentication-Results: i=1; imf29.hostedemail.com; dkim=pass header.d=redhat.com header.s=mimecast20190719 header.b=fAMfBstP; dmarc=pass (policy=none) header.from=redhat.com; spf=pass (imf29.hostedemail.com: domain of dhowells@redhat.com designates 170.10.133.124 as permitted sender) smtp.mailfrom=dhowells@redhat.com ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1702481555; a=rsa-sha256; cv=none; b=HLRpmCQ/OXvwJoOVzi4PzojOnnBXiY54wMlwlevyEsDZQKD9YWhf1pJXnxDrcejH2xq818 HTk7IP6G6vbrgqclqdXTfUcMElD1MUAoiDvwfYa5+4HoTb6jvxEVhnq9/fhjeisWE+a+yA gnU86dQQM5ASYAqmTv3JYQCj7AY1Iek= DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1702481554; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=+hdM+h7N6TwHGhwIbks4CvwZuKV0xOWmxmNCull4QN4=; b=fAMfBstPIVEgDZWuJUyqKtTSuRp7bnpMOogq/8DlduDsmJvuR9o6W9hhBfFaha4xM2GXvP 8YKpwKQrIhqaIYlUJuhc1l6yQLWGV/p5zAuOWNMDh8fznLilMnaumFYImrSye1GeyEtegw oUA+UfntoTlZQ4kvuzDNc1WmLHDlMO4= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-418-Oq2jS38dPZ6RKRmzjwJH1A-1; Wed, 13 Dec 2023 10:32:30 -0500 X-MC-Unique: Oq2jS38dPZ6RKRmzjwJH1A-1 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.rdu2.redhat.com [10.11.54.4]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 232C088D01D; Wed, 13 Dec 2023 15:32:28 +0000 (UTC) Received: from warthog.procyon.org.uk (unknown [10.42.28.2]) by smtp.corp.redhat.com (Postfix) with ESMTP id 4EA702026D66; Wed, 13 Dec 2023 15:32:25 +0000 (UTC) Organization: Red Hat UK Ltd. Registered Address: Red Hat UK Ltd, Amberley Place, 107-111 Peascod Street, Windsor, Berkshire, SI4 1TE, United Kingdom. Registered in England and Wales under Company Registration No. 3798903 From: David Howells In-Reply-To: <3bf4a5126f84b56a28dbc5e8e643b24945578bbd.camel@kernel.org> References: <3bf4a5126f84b56a28dbc5e8e643b24945578bbd.camel@kernel.org> <20231207212206.1379128-1-dhowells@redhat.com> <20231207212206.1379128-5-dhowells@redhat.com> To: Jeff Layton Cc: dhowells@redhat.com, Steve French , Matthew Wilcox , Marc Dionne , Paulo Alcantara , Shyam Prasad N , Tom Talpey , Dominique Martinet , Eric Van Hensbergen , Ilya Dryomov , Christian Brauner , linux-cachefs@redhat.com, linux-afs@lists.infradead.org, linux-cifs@vger.kernel.org, linux-nfs@vger.kernel.org, ceph-devel@vger.kernel.org, v9fs@lists.linux.dev, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v3 04/59] netfs, fscache: Move /proc/fs/fscache to /proc/fs/netfs and put in a symlink MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-ID: <432337.1702481544.1@warthog.procyon.org.uk> Date: Wed, 13 Dec 2023 15:32:24 +0000 Message-ID: <432338.1702481544@warthog.procyon.org.uk> X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.4 X-Rspamd-Queue-Id: 3E10E120021 X-Rspam-User: X-Rspamd-Server: rspam05 X-Stat-Signature: a81jdwkdfkkb5ktpxtxsz6ze5ic8ztmr X-HE-Tag: 1702481555-148927 X-HE-Meta: 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 w3v5ZXwO L0fl0l3oreLd3V+lqhNfa+axn1tRTRS3JVigPcw2PlunwoTsn+yiV3W4NteZOFIBr7f8jYE1huwOTln7Rq39n/Vjl1cKr7qJYIOpfZEuGtGsOqLVrCF800LHvtzg+AHPeoHX+tldiKOIjSABoKj3h/4DiXkyVoiavCT5oC0s/63NrVHroUallCFVF7XfnOYKZsEYJQYKhOzVlJaYw0h/BIXnuGQ== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Jeff Layton wrote: > > 1. Are there known userland tools that rely on this path? I suppose > this is harmless either way though, and /proc is supposedly part > of the ABI. I know various people have sent copies of the file in case of crashes, so it feels like it should still be accessible by the old path. David