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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id B59CFC433FE for ; Mon, 10 Jan 2022 11:32:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S244809AbiAJLcg (ORCPT ); Mon, 10 Jan 2022 06:32:36 -0500 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]:60604 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S244745AbiAJLcN (ORCPT ); Mon, 10 Jan 2022 06:32:13 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1641814332; 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=hrEu87EnXQ6Fg7UvjXggUKw0Jcqes+nBaSmxrmpEEwU=; b=Na8Keg6S0hqNWI8biY0r3XqJygy1yo4X8MajVtNkrjYZ7JkaXEna/RStvL72BrXpcu7NDE XahOiI33eyfF1WIjMQZJ9ZlpcYoRcS8vofZumTqYfCqx7D2HeAtseCkpg848WsjfAVtRto sktfokk7YYiNjV5SS9r2udAHrSKZgjA= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-54-MsPtVj76MgWGNWERMB4MZg-1; Mon, 10 Jan 2022 06:32:09 -0500 X-MC-Unique: MsPtVj76MgWGNWERMB4MZg-1 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 4E8BB1898292; Mon, 10 Jan 2022 11:32:06 +0000 (UTC) Received: from warthog.procyon.org.uk (unknown [10.33.36.165]) by smtp.corp.redhat.com (Postfix) with ESMTP id 1F9507B6C9; Mon, 10 Jan 2022 11:31:55 +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: References: <164021479106.640689.17404516570194656552.stgit@warthog.procyon.org.uk> <164021541207.640689.564689725898537127.stgit@warthog.procyon.org.uk> To: Christoph Hellwig Cc: dhowells@redhat.com, Matthew Wilcox , Amir Goldstein , linux-cachefs@redhat.com, Trond Myklebust , Anna Schumaker , Steve French , Dominique Martinet , Jeff Layton , Alexander Viro , Omar Sandoval , JeffleXu , Linus Torvalds , linux-afs@lists.infradead.org, Linux NFS Mailing List , CIFS , ceph-devel , v9fs-developer@lists.sourceforge.net, linux-fsdevel , linux-kernel Subject: Re: [PATCH v4 38/68] vfs, cachefiles: Mark a backing file in use with an inode flag MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-ID: <3735738.1641814315.1@warthog.procyon.org.uk> Date: Mon, 10 Jan 2022 11:31:55 +0000 Message-ID: <3735739.1641814315@warthog.procyon.org.uk> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Christoph Hellwig wrote: > So let's name it that way. We have plenty of files in kernel use using > filp_open and this flag very obviously means something else. S_KERNEL_LOCK? David