Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932997Ab3EORKz (ORCPT ); Wed, 15 May 2013 13:10:55 -0400 Received: from mail-da0-f45.google.com ([209.85.210.45]:57232 "EHLO mail-da0-f45.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932925Ab3EORKy convert rfc822-to-8bit (ORCPT ); Wed, 15 May 2013 13:10:54 -0400 References: <20130510045049.GU24635@dastard> <20130511212608.GA26298@thunk.org> <35557711-A88D-4226-B3C6-3787573F5403@dilger.ca> Mime-Version: 1.0 (1.0) In-Reply-To: Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 8BIT Message-Id: <97A34425-E663-4322-BEFF-6426C54572F9@dilger.ca> Cc: "Theodore Ts'o" , Dave Chinner , "linux-kernel@vger.kernel.org" , "tux3@tux3.org" , "linux-fsdevel@vger.kernel.org" X-Mailer: iPhone Mail (10B146) From: Andreas Dilger Subject: Re: Tux3 Report: Faster than tmpfs, what? Date: Wed, 15 May 2013 11:10:52 -0600 To: Daniel Phillips Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 731 Lines: 14 On 2013-05-14, at 0:25, Daniel Phillips wrote: > Interesting, Andreas. We don't do anything as heavyweight as > allocating an inode in this path, just mark the inode dirty (which > puts it on a list) and set a bit in the inode flags. The new inode allocation is only needed for the truncate-to-zero case. If the inode is being deleted it is used directly. Sorry for confusion, it has been a long time since I looked at that code. Cheers, Andreas-- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/