From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 988DF215068 for ; Tue, 4 Feb 2025 15:55:55 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.133.124 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1738684557; cv=none; b=eXUv7Cmpi8RK+DLxQdE7KF2N8zf4bcdHlGzE9EEG7JAUl9pbYFbu9CsQ+yWGMOjqf5tIBymrdDeltv3aXLdde31ciF2SnPMghRW3VnObBdUL/PVCnmXoPGDmGBCSmhgIJhXK+JC/K4st9pcSjKN2vz0pzpnM/hEzhs+LKT/BDIk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1738684557; c=relaxed/simple; bh=PcHimLdF0m9I1OPXBEq8+f8x1JXxleTVaMhwUes7bgI=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=PSefvsvNGgEPhS6+Zuai0FTj453zF9POqZSp40DwaUAc9vvrg5qrWl/TTUYBYiAKpxD+5XudRyJh/Y5uyZ4ESCuJDly2CZCXFVwPuUKRSE6NidR64pIwJX7/Baq9sJym4vXAOr2CD2BvAjbkm7qM+14Ny8I1Hvqf+53WZ9lGPSQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=redhat.com; spf=pass smtp.mailfrom=redhat.com; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b=X6gdFHNu; arc=none smtp.client-ip=170.10.133.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=redhat.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=redhat.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="X6gdFHNu" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1738684553; 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=PcHimLdF0m9I1OPXBEq8+f8x1JXxleTVaMhwUes7bgI=; b=X6gdFHNudtGY6g3hyDGpIywhGd1qv/NTxrJYsEmMoBuYu2cWIoszFOGQU3oDUbiCjV36j8 W8s44acFUDMwlIrbcdg4AqEOtQSj/zpFoQcwTLXpGH6O5npFp8MZjCnyJOY8LGAjINpKGH NcTzDsGgaivJYAyYGkxfCKL6wNApv0g= Received: from mx-prod-mc-08.mail-002.prod.us-west-2.aws.redhat.com (ec2-35-165-154-97.us-west-2.compute.amazonaws.com [35.165.154.97]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-664-TJQP98TPO7KVDhLtxX1lGw-1; Tue, 04 Feb 2025 10:55:50 -0500 X-MC-Unique: TJQP98TPO7KVDhLtxX1lGw-1 X-Mimecast-MFC-AGG-ID: TJQP98TPO7KVDhLtxX1lGw Received: from mx-prod-int-03.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-03.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.12]) (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 mx-prod-mc-08.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 6D3601801F23; Tue, 4 Feb 2025 15:55:48 +0000 (UTC) Received: from dhcp-27-174.brq.redhat.com (unknown [10.44.32.214]) by mx-prod-int-03.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with SMTP id E87BA19560AA; Tue, 4 Feb 2025 15:55:42 +0000 (UTC) Received: by dhcp-27-174.brq.redhat.com (nbSMTP-1.00) for uid 1000 oleg@redhat.com; Tue, 4 Feb 2025 16:55:21 +0100 (CET) Date: Tue, 4 Feb 2025 16:55:15 +0100 From: Oleg Nesterov To: Linus Torvalds Cc: Christian Brauner , David Howells , "Gautham R. Shenoy" , K Prateek Nayak , Mateusz Guzik , Neeraj Upadhyay , Oliver Sang , Swapnil Sapkal , WangYuli , linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] pipe: don't update {a,c,m}time for anonymous pipes Message-ID: <20250204155514.GD6031@redhat.com> References: <20250204132153.GA20921@redhat.com> Precedence: bulk X-Mailing-List: linux-fsdevel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.24 (2015-08-30) X-Scanned-By: MIMEDefang 3.0 on 10.30.177.12 On 02/04, Linus Torvalds wrote: > > IOW, we should have "anon_pipe_read()" and "anon_pipe_write()", and > then the named pipes just do OK, will do in v2. Oleg.