GRUB Picks Up Zstd Support To Handle Compressed Btrfs File-Systems
Written by Michael Larabel in GNU on 27 November 2018 at 12:04 AM EST. 24 Comments
GNU --
For the past year the Btrfs file-system in the mainline Linux kernel has supported Zstd as one of its file-system compression options. With the very latest GRUB boot-loader code, it can now deal with your Zstd-compressed Btrfs file-systems.

As of Monday, the GNU GRUB boot-loader pulled in a copy of the Zstd decompression code.

The only current user of this Zstd code within GRUB came in the next commit with implementing support for Zstd-compressed Btrfs should your /boot or root partition be compressed using this modern Facebook-developed compression algorithm.

This Zstandard support complements GRUB's existing support for Zlib and LZO compressed file-systems with Btrfs.

The last stable GRUB release was v2.02 in April of 2017. We'll see when the next GRUB stable release comes about considering the many features that have accumulated over the past year and a half.
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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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