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EXT4 In Linux 3.5 Gets CRC32 Meta-Data

Written by Michael Larabel in Linux Storage on 1 June 2012 at 01:00 PM EDT. 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.

14 Comments

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Michael Larabel is the principal author of Phoronix.com and founded the site in 2004 with a focus on enriching the Linux hardware experience. Michael has written more than 20,000 articles covering the state of Linux hardware support, Linux performance, graphics drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated benchmarking software. He can be followed via Twitter, LinkedIn, or contacted via MichaelLarabel.com.