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README
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README
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----------------------------------
Linux ext3fs with QoS extensions
----------------------------------
ext3ipods
-------------------------------------------------------------
Copyright (C) 2008-2011 Felipe Franciosi <[email protected]>
www.paradoxo.org
This project is based on previous copyrighted code released
under GPL. Specific copyright information can be found on the
source code in the subdirectories of this project.
-------------------------------------------------------------
Disclaimer:
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
This is an experimental code that interferes with the way the Linux
kernel handles data on a filesystem. Its usage on real applications
is not recommended at this stage. Use it at your own risk.
-------------------------------------------------------------
Description:
This project implements a copy of Linux Extended 3 Filesystem with
added QoS extensions. It is the prototype of Felipe Franciosi's PhD
thesis "Data Management Strategies for Relative Quality of Service
in Virtualised Storage Systems". See the URL below for more details.
http://www.paradoxo.org/academia
-------------------------------------------------------------
Contents:
ifm_lkm
This is the online filesystem manager. A loadable kernel module
that finds a mounted ext3ipods filesystem and provides a set of
functionalities for the management of QoS attributes.
ext3ipods <not yet present>
This is the implementation of the ext3ipods filesystem.
e2fsprogs-1.41.12-ipods
This is a modified version of e2fsprogs with added support for
the management of QoS flags in inodes (and removed ext4fs support).
ipods-visualiser <not yet present>
This is a collection of tools to visualise data allocation
quality in different ways (data layout bitmaps, reports, etc).
-------------------------------------------------------------