Received: by 2002:a25:ab43:0:0:0:0:0 with SMTP id u61csp6319212ybi; Wed, 29 May 2019 06:14:09 -0700 (PDT) X-Google-Smtp-Source: APXvYqyt9iTIHF1eVefEVaroXLnBAU68yQjt1r+ti1DPPLm2FQ1zYN/P7LSW+LCV08lW9hphrCHa X-Received: by 2002:a17:902:f212:: with SMTP id gn18mr79798897plb.106.1559135649591; Wed, 29 May 2019 06:14:09 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1559135649; cv=none; d=google.com; s=arc-20160816; b=JY0JIaMA1O62aPCPi9ljPRunfR4PipwaDcj33OjJLlT//p61POc8LHzYReBr7XvqJi dd2/pPzfYGG9ROkiLQnfZPXED/3Pk3VT1Tknam2gUUkE2wan2YYs3iH74pFlQ6D5z4O5 ba8ew5FXbpE7S6u5dNDcgh6fzB5VM29i+Jf1RgaFc66AbHciyrKsTOkAYzzT0/cebPVe Yyh6DoCi18raHg/rk2GWih0U0/X4/p5XkehZZrjp8vzLKDDEFV3FuLpCimJqPN865dEE GW6k1PAlZayKz8pcrhTyWFZIYlzm2QFGoNrMX06B90djdXKHY2DwqZrMPtsUgk/2gCPy M2Dg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:message-id:date:content-id:mime-version :subject:cc:to:references:in-reply-to:from:organization; bh=uAujdVaLj5WBD8nCRy3Z8wLXYP4Zng73UGk1H3Ke5M4=; b=QsQPJyZiCyN1A3LUKfFRYscdu9UtAgkV/byIM1pawEKV0WuSf8oxwK3Cs0O40AzATR KaDC4tHlZdrj1u8EJ24L6iAwbkH2//ZJj2EBh8lwvKecWq7YYDPvcvQaJQIInhr5Uk45 av6kNSwtzmj0GtmMLUhDu4S+tzv67aBLINOZBFxH0sYvPbQmvAmkmk6nM8oQE47ZUaPj Y8WxunZ8DpXUA1pqAiwJfT1QWSm9RjvKC1PINrNB690y3bChv3YrPl4yjNZI/qYQFcqD NGIflwQbVtsKlW9+gNqQ3SV36+FGR4tl1QqrdWbzGhZEDlql/RW6f5RY3icIW2qeZDQO EAeg== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=redhat.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id r7si26378909ple.418.2019.05.29.06.13.52; Wed, 29 May 2019 06:14:09 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=redhat.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727054AbfE2NMP (ORCPT + 99 others); Wed, 29 May 2019 09:12:15 -0400 Received: from mx1.redhat.com ([209.132.183.28]:43176 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727007AbfE2NMP (ORCPT ); Wed, 29 May 2019 09:12:15 -0400 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id CD52DC05FBD7; Wed, 29 May 2019 13:12:09 +0000 (UTC) Received: from warthog.procyon.org.uk (ovpn-120-173.rdu2.redhat.com [10.10.120.173]) by smtp.corp.redhat.com (Postfix) with ESMTP id 8EADF60487; Wed, 29 May 2019 13:12:06 +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: <155905621951.1304.5956310120238620025.stgit@warthog.procyon.org.uk> <155905622921.1304.8775688192987027250.stgit@warthog.procyon.org.uk> To: Miklos Szeredi Cc: dhowells@redhat.com, Al Viro , Ian Kent , Linux API , linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, Miklos Szeredi Subject: Re: [PATCH 1/7] General notification queue with user mmap()'able ring buffer [ver #13] MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-ID: <29054.1559135525.1@warthog.procyon.org.uk> Date: Wed, 29 May 2019 14:12:05 +0100 Message-ID: <29055.1559135525@warthog.procyon.org.uk> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.32]); Wed, 29 May 2019 13:12:15 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Miklos Szeredi wrote: > Would it make sense to use relayfs for the implementation of the > mapped ring buffer? Note that I reposted the notification patches under the correct cover note later. Could you repost your response there. Subject: [RFC][PATCH 0/7] Mount, FS, Block and Keyrings notifications David