EXT4 In Linux 3.5 Gets CRC32 Meta-Data

Posted by Michael Larabel on June 01, 2012

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.

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