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EXT4 In Linux 3.5 Gets CRC32 Meta-Data

Linux Kernel

Published on 01 June 2012 01:00 PM EDT
Written by Michael Larabel in Linux Kernel
14 Comments

The pull request for the EXT4 file-system in the Linux 3.5 kernel and there's one prominent new feature.

The EXT4 file-system with the Linuux 3.5 kernel will now support CRC32 check-sums on the meta-data fields. This work was done by Darrick J Wong to further improve the reliability of the EXT4 file-system. The EXT4 on-disk layout has changed to support the extended meta-data check-summing.

Aside from this new feature, there's the usual list of bug-fixes and clean-ups.

The EXT4 Linux 3.5 pull request can be viewed at LKML.org.

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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