F2FS Filesystem for Flash-Based Storage Devices Announced by Samsung

It's designed for NAND flash devices such as SSD hard drives

By Silviu Stahie on October 5th, 2012 13:28 GMT

A new file system called F2FS has been proposed by Samsung, who aims to use it for NAND flash memory-based storage devices.

The F2FS file system is designed to be used on devices, such as SSD, eMMC, and SD cards, especially because they differ so much from the conventional rotational disks.

“F2FS is a new file system carefully designed for the NAND flash memory-based storage devices. We chose a log structure file system approach, but we tried to adapt it to the new form of storage. Also we remedy some known issues of the very old log structured file system, such as snowball effect of wandering tree and high cleaning overhead,” stated Jaegeuk Kim from Samsung.

The F2FS file system has 16 patches, but even if it comes from Samsung, it's not a guarantee that it will be merged into the main kernel any time soon. More details about the project can be found in the official mailing list.
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