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Re: [PATCH 01/10] xfstests: add fio requirement V2

To: Dmitry Monakhov <dmonakhov@xxxxxxxxxx>
Subject: Re: [PATCH 01/10] xfstests: add fio requirement V2
From: Rich Johnston <rjohnston@xxxxxxx>
Date: Fri, 1 Mar 2013 09:43:10 -0600
Cc: <xfs@xxxxxxxxxxx>, <linux-fsdevel@xxxxxxxxxxxxxxx>, <linux-ext4@xxxxxxxxxxxxxxx>, <dchinner@xxxxxxxxxx>
Delivered-to: xfs@xxxxxxxxxxx
In-reply-to: <1361356935-29153-2-git-send-email-dmonakhov@xxxxxxxxxx>
References: <1361356935-29153-1-git-send-email-dmonakhov@xxxxxxxxxx> <1361356935-29153-2-git-send-email-dmonakhov@xxxxxxxxxx>
User-agent: Mozilla/5.0 (X11; Linux i686; rv:13.0) Gecko/20120615 Thunderbird/13.0.1
On 02/20/2013 04:42 AM, Dmitry Monakhov wrote:
FIO is very flexible io generator, I would call it IO swiss knife.
Currently we have tonns of hardcoded application which reproduces
some predefined scenario. This approach has obvious dissadvantages
1) Lack of flexability: one written it is hard to modify it in future
2) Code base is large, many routines written again and again

At the same time add new fio based tast is just add simle INI file.
This greatly simplify code review. I do beleve that some day we will
replace most of hardcoded io binaries with fio.

One who is planning to run $FIO_PROG should first check that system
contains appropriate version which is able to handle jobfile
for example:  _require_fio 286-job.fio

Signed-off-by: Dmitry Monakhov <dmonakhov@xxxxxxxxxx>

Minor typos in the description, but looks good.

Reviewed-by: Rich Johnston <rjohnston@xxxxxxx>


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