XFS In Linux 3.10 To Put On Extra Protection
Written by Michael Larabel in Linux Kernel on 2 May 2013 at 06:50 PM EDT. 7 Comments
The XFS file-system with the forthcoming Linux 3.10 kernel will have an experimental feature for CRC protection of meta-data.

The XFS file-system pull request for the Linux 3.10 merge window was submitted on Thursday to the kernel mailing list.

The main feature is CRC protection for on-disk meta-data structures. Basically, the meta-data to the file-system can now handle a cylic redundancy check (CRC) to check for structural changes. This new level of protection, however, requires using an updated mkfs.xfs utility for creating the file-system with the new feature bits enabled.

Aside from the CRC meta-data protection, there's various changes surrounding speculative pre-allocation, I/O errors, code refactoring, and numerous other fixes. Overall, it's not too exciting for the XFS file-system updates in Linux 3.10 besides the new CRC meta-data support.

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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 10,000 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 or contacted via MichaelLarabel.com.

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