From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.viktor.guru ([62.210.97.36]:36728 "EHLO mail.viktor.guru" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1030428AbbJ3JsH (ORCPT ); Fri, 30 Oct 2015 05:48:07 -0400 Received: from localhost (localhost [127.0.0.1]) by mail.viktor.guru (Postfix) with ESMTP id D271A12A098F for ; Fri, 30 Oct 2015 10:48:05 +0100 (CET) Received: from mail.viktor.guru ([127.0.0.1]) by localhost (mail.viktor.guru [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id gdllDzoGuRZm for ; Fri, 30 Oct 2015 10:48:05 +0100 (CET) Received: from [10.10.0.21] (unknown [91.185.100.46]) by mail.viktor.guru (Postfix) with ESMTPSA id 0CA2312A0871 for ; Fri, 30 Oct 2015 10:48:04 +0100 (CET) From: vmokric Subject: FIO IO units block size setting function Message-ID: <56333CD3.40101@htec.rs> Date: Fri, 30 Oct 2015 10:48:03 +0100 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Sender: fio-owner@vger.kernel.org List-Id: fio@vger.kernel.org To: fio@vger.kernel.org Hello, can someone point me to FIO function which performs IO units block size settings? If I, e.g. pass "bs=8k", where does it actually ends up? I have searched ioctl commands, but couldn't figure out actual function. I would really appreciate any help, since I need some guidelines within perplexed world of Linux IO system. Regards