File Systems Presentations

= File system =

File system Considerations for Embedded Devices [ELC 2015]
Presenter: Tristan Lelong, Adeneo Summary: The session talks about design requirements of Embedded devices, differences between NAND and MMC and features of file system.


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Current Challenges in UBIFS [ELCE 2015]
Presenter:Richard Weonberger, Sigma Star GmbH Summary: This presentation provides information about the NAND flash system, flash cell operation, and how fault can be mitigated.


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A Deep Dive Into DEX File Format [ELC 2014]
Presenter: Rodrigo Chiossi, Intel Open Source Technology Center. Summary: The session covers information about the DEX file structure, characteristics, DEX instrumentation and limitations.


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An Insight into the Advanced XIP Filesystem (AXFS)[ELC 2013]
Presenter: Aditya Kumar, Sony India Software Centre Pvt Ltd Summary: The slides cover information about AXFS design, usage and performance comparison of AXFS in different scenarios, including the use of AXFS in combination with other optimization techniques.


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UBI Fastmap [ELCE 2012]
Presenter: Thomas Gleixner, Linutronix Summary: This presentation give information about volume management system UBI, it's main feature and UBI fastmap.


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FFSB and IOzone: File system Benchmarking Tools, Features and Internals [ELCE 2012]
Presenter:: Keshava Munegowda, Texas Instruments Summary: This presentation provides information about FFSB (Flexible File System Benchmarking )overview, FFSB profile files, FFSB internal and IOzone overview.


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ARC Linux: From a Tumbling Toddler to a Graduating Teen [ELCE 2012]
Presenter::Vineet Gupta, Synopsys Summary: This presentation provides information about ARC architecture, ARCompact ISA, and file system Corruption with DMA.


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Power Fail Safe FAT File Systems [ELC 2011]
Presenter: Keshava Munegowda Summary: The session talks about the FAT file system, need of power fail safe FAT and file system operation with logging and committing.


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Evaluation of Data Reliability on Linux File Systems [ELC 2010]
Presenter: Keshava Munegowda Summary: This presentation provides information about file system the requirement, data consistency, and safety to achieve the performance.


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YAFFS Updates [ELCE 2010]
Presenter: Wookey Summary: This presentation provides information about the YAFFS file system, flash file system, log structure, and future features.


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Adapting Debian Installer to NAS and Other Consumer Devices [ELCE 2010]
Presenter: Martin Michlmayr Summary: This presentation provides information about Debian on network-attached storage devices and a list of supported devices.


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Unexpected Emergence of Wide Use of NTFS in CE Devices [ELCE 2009]
Presenter: Jean-Pierre André, Szabolcs Szakacsits Summary: This presentation provides information about NTFS architecture, the structure of a file, data streams, and access control.


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AXFS: Architecture and Results [ELC 2008]
Presenter: Jared Hulbert Summary: The presenter talks about the new file system, supportable solution for application XIP and flexible use of all system.


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Overview of SquashFS filesystem [ELCE 2008]
Presenter: Philip Lougher Summary: This presentation provides information about the squashFS file system, bit field example, squashFS layout, and file system comparison.


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Using Appropriate Wear-leveling to Extend Product Lifespan [ELCE 2008]
Presenter: Bill Roman Summary: This presentation provides information about the flash file system, JFFS &jffs2, and dynamic read/write data stored in the file system.


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File System Survey, Focus on Embedded Linux [ELC 2007]
Presenter: Gene Sally Summary: This presentation provides information about file system, kernel and user space file systems and picking a root file system.


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Introduction to LogFS [ELCE 2007]
Presenter: Jörn Engel Summary: This presentation provides information about logfs file system, raw flash chips with JFFS2, and smart media devices.


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Improving JFFS2 RAM Usage and Performance [ELCE 2007]
Presenter: Alexey Korolev Summary: This presentation provides information about JFFS2, the efficiency of JFFS2, and volume size test data. 


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YAFFS [ELCE 2007]
Presenter: Wookey Summary: This presentation provides information about the NAND file system, mechanisms to deal with NAND problems, terminology, and design approach.


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=Flash Technology=

F2FS (Flash-Friendly File System) [ELC 2013]
Presenter: Joo-Young Hwang, Samsung Electronics Co., Ltd. Summary: This presentation provides information about the FTL device characteristics, performance evaluation results and Storage Access Pattern in Mobile Phones.


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A New File System Designed for Flash Storage in Mobile [ELCE 2012]
Presenter:: Joo-Young Hwang, Samsung Summary: This presentation provides information about NAND flash-based storage devices, NAND flash memory, flash translation layer, and FTL device characteristics.


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Update on filesystems for flash storage [ELC 2010]
Presenter: Michael Opdenacker Summary: This presentation talks about new armel root file system for the tests, easier access to MTD and file system utilities.


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Flash Filesystem Benchmarks [ELCE 2010]
Presenter: Michael Opdenacker Summary: This presentation provides information about file system jffs2, ubifs,yaffs2,logfs,and the future of MTD devices.


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Filesystem Support on Multi Level Cell (MLC) Flash in Open Source [ELC 2008]
Presenter: Kyungmin Park, Sunmi Yoo Summary: The session covers details on the MLC software and direct use of MLC flash.


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Update on filesystems for flash storage [ELCE 2008]
Presenter: Michael Opdenacker Summary: This presentation provides information about the flash file system and flash storage file system.


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=eMMC=

Linux Storage System Bottleneck for eMMC/UFS [ELCE 2017]
Presenter: Bean Huo & Zoltan Szubbocsev, Micron Summary: This presentation explores the parameters that impact I/O performance. It looks into system performance limitations in the Linux eMMC/UFS subsystem and exposes bottlenecks caused by the software through Ftrace.


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Linux on eMMC: Optimizing For Performance [ELC 2012]
Presenter:: Ken Tough, Intrinsyc Summary: This presentation provides information about eMMc characteristics, read times, analysis at MMC/BLOCK level, and file system layout.


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=NAND Flash=

Evaluation of Flash File Systems for Large NAND Flash Memory [ELC 2009]
Presenter: Toru Homma Summary: This presentation provides overview of the different flash file systems, software block file system and testing environment.


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Managing NAND Flash to Optimize Product Longevity [ELCE 2008]
Presenter: Matt Porter Summary: This presentation provides information about flash design challenges, NAND flash types, and Linux tools.


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