From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752642AbdFVQAr (ORCPT ); Thu, 22 Jun 2017 12:00:47 -0400 Received: from imap.thunk.org ([74.207.234.97]:60738 "EHLO imap.thunk.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751283AbdFVQAp (ORCPT ); Thu, 22 Jun 2017 12:00:45 -0400 Date: Thu, 22 Jun 2017 12:00:41 -0400 From: "Theodore Ts'o" To: Tahsin Erdogan Cc: Andreas Dilger , "Darrick J . Wong" , Jan Kara , linux-ext4@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 32/32] ext4: add nombcache mount option Message-ID: <20170622160041.hnqcrt7pnek4obmo@thunk.org> Mail-Followup-To: Theodore Ts'o , Tahsin Erdogan , Andreas Dilger , "Darrick J . Wong" , Jan Kara , linux-ext4@vger.kernel.org, linux-kernel@vger.kernel.org References: <20170622014939.3592-1-tahsin@google.com> <20170622014939.3592-9-tahsin@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20170622014939.3592-9-tahsin@google.com> User-Agent: NeoMutt/20170113 (1.7.2) X-SA-Exim-Connect-IP: X-SA-Exim-Mail-From: tytso@thunk.org X-SA-Exim-Scanned: No (on imap.thunk.org); SAEximRunCond expanded to false Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Jun 21, 2017 at 06:49:39PM -0700, Tahsin Erdogan wrote: > The main purpose of mb cache is to achieve deduplication in > extended attributes. In use cases where opportunity for deduplication > is unlikely, it only adds overhead. > > Add a mount option to explicitly turn off mb cache. > > Suggested-by: Andreas Dilger > Signed-off-by: Tahsin Erdogan Applied, thanks. - Ted