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Native Linux Kernel Module Is Out For Microsoft exFAT

Linux Kernel

Published on 25 June 2013 02:09 PM EDT
Written by Michael Larabel in Linux Kernel
73 Comments

A Linux developer has released a native Linux kernel module for implementing Microsoft exFAT file-system support within the Linux kernel. This is different than earlier exFAT Linux modules that were implemented via FUSE in user-space.

Appearing on GitHub is a new exfat-nofuse project. This is a Linux non-FUSE read/write kernel driver for the Microsoft exFAT file-system.

The state of Microsoft's exFAT on Linux has been crap. The exFAT FUSE driver suffers from slow performance and isn't widely shipped yet. The exFAT support has been implemented via a file-system in user-space since it doesn't stand chances of being merged into the mainline Linux kernel over patent concerns.

With exFAT being a legal mess for Linux, the adoption of this superior file-system to Microsoft's FAT32 isn't too good for open-source fans. This new file-system supports read and write operations and is for the kernel, which should lead to better performance. However, it still doesn't stand a chance of being merged into the mainline Linux kernel due to the legal limbo of exFAT.

This code is just being distributed as source and as an out-of-tree kernel module. This module right now will work on the Linux 3.8.11 kernel but the module's author says right now there are issues if using the Linux 3.9 kernel or newer.

About The Author
Michael Larabel is the principal author of Phoronix.com and founded the web-site in 2004 with a focus on enriching the Linux hardware experience and being the largest web-site devoted to Linux hardware reviews, particularly for products relevant to Linux gamers and enthusiasts but also commonly reviewing servers/workstations and embedded Linux devices. Michael has written more than 10,000 articles covering the state of Linux hardware support, Linux performance, graphics hardware drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated testing software. He can be followed via and or contacted via .
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