From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-qc0-f169.google.com (mail-qc0-f169.google.com [209.85.216.169]) by kanga.kvack.org (Postfix) with ESMTP id 891C16B0035 for ; Tue, 30 Sep 2014 10:53:58 -0400 (EDT) Received: by mail-qc0-f169.google.com with SMTP id x13so1574318qcv.14 for ; Tue, 30 Sep 2014 07:53:58 -0700 (PDT) Received: from omr2.cc.vt.edu (omr2.cc.ipv6.vt.edu. [2001:468:c80:2105:0:24d:7091:8b9c]) by mx.google.com with ESMTPS id q79si5779323qgq.91.2014.09.30.07.53.57 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 30 Sep 2014 07:53:57 -0700 (PDT) Subject: Re: [PATCH v11 00/21] Add support for NV-DIMMs to ext4 In-Reply-To: Your message of "Tue, 30 Sep 2014 10:48:54 -0400." <20140930144854.GA5098@wil.cx> From: Valdis.Kletnieks@vt.edu References: <1411677218-29146-1-git-send-email-matthew.r.wilcox@intel.com> <15705.1412070301@turing-police.cc.vt.edu> <20140930144854.GA5098@wil.cx> Mime-Version: 1.0 Content-Type: multipart/signed; boundary="==_Exmh_1412088827_2231P"; micalg=pgp-sha1; protocol="application/pgp-signature" Content-Transfer-Encoding: 7bit Date: Tue, 30 Sep 2014 10:53:47 -0400 Message-ID: <123795.1412088827@turing-police.cc.vt.edu> Sender: owner-linux-mm@kvack.org List-ID: To: Matthew Wilcox Cc: Matthew Wilcox , linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org --==_Exmh_1412088827_2231P Content-Type: text/plain; charset=us-ascii On Tue, 30 Sep 2014 10:48:54 -0400, Matthew Wilcox said: > No, it doesn't try to do that. Wouldn't you be better served with an > LD_PRELOAD that forces O_DIRECT on? Not when you don't want it on every file, and users are creating and deleting files once in a while. A chattr-like command is easier and more scalable than rebuilding the LD_PRELOAD every time the list of files gets changed.... --==_Exmh_1412088827_2231P Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 Comment: Exmh version 2.5 07/13/2001 iQIVAwUBVCrD+wdmEQWDXROgAQLYxw/+KGYWwJ0+oHZ6w4rAsmBsZGNLmCjxPEQc W4JimJCgapPxYR62Tk4njVsMAQtktGGxrnpg2uw3glO5093FJkc3DblQTT31ram4 B/Vx17WwkB2X+j2E4zng0tuERF0QPuGgTGp/zfEVcDcR1oUftI8VFUoejdllGPyi wyboTr47oVpethWRPhc/25/y5J0f6aZUSxybMYo9qGygaMxGbjmDPt6l0QSyxSty hcEsAYSsjOpiA6yDe/8frog93FrsTuJQtFq5tHk/PC39bRp7zFWQZIUQhH74kPUU oT3MCN0qtKNA9ed36pRmNTVeInrRoGXrkANEFQYHdLL9v/ranNj1pb06TzBTQdvH tXmEVfiTZH+ZG2RWDPmBbs1Zjt3ASuhSCeymxHNscgOuaDH3+jigUpj1cOYmmWgT 9IeR+2TlJVpA5jkT1akm5Y+gqIMK7WlnmanksnAoRUz/7rmJvFwYtfzpak5XX1Nb YmbZvwfiZDWMGvpUl9YdH53sB+KG2TVDkKy6UP+pZtWCUyfhCpALMldAlXm1spTh kfehsJZNO0BzYQGNJ9HBw75toK1zoBdPiULuzdq3AH50rVAY6Z8SxApwwemx5zld P6T6ZUgZDqTNhedhuBZ1/1NxIBSx7JiJcu/rBA8y44TJBBfQRpevLHVgjUkNmSSH 5yU6Hwlbig0= =oz0U -----END PGP SIGNATURE----- --==_Exmh_1412088827_2231P-- -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org