From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from brick.kernel.dk ([93.163.65.50]:52767 "EHLO kernel.dk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756037AbZJ0HzM (ORCPT ); Tue, 27 Oct 2009 03:55:12 -0400 Date: Tue, 27 Oct 2009 08:55:16 +0100 From: Jens Axboe Subject: Re: Patch to write patterns > 4 bytes Message-ID: <20091027075516.GR10727@kernel.dk> References: <66dfd3fe0910261710n62740f75y6946ebd00b2f9ab6@mail.gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <66dfd3fe0910261710n62740f75y6946ebd00b2f9ab6@mail.gmail.com> Sender: fio-owner@vger.kernel.org List-Id: fio@vger.kernel.org To: Radha Ramachandran Cc: fio@vger.kernel.org On Mon, Oct 26 2009, Radha Ramachandran wrote: > Hi, > This is the patch I have to write/read/verify hex patterns of size > 4 bytes. > I have tested these on hard drives and did not see any performance > change. Iam assuming the performance drop if any might show up in the > read phase for probably solid state drives and maybe it can be worked > around using the asynchronous verify flag. Unfortunately, this patch is white space damaged so doesn't apply. Perhaps send it as an attachment instead? And for extra brownie points, updating the fio.1 man page as well would be good :-) -- Jens Axboe