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Add BtrFS patch for 4.10 kernel

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Nick Terrell
2017-04-11 11:50:24 -07:00
parent adb1974aec
commit b4dd3378f1
3 changed files with 702 additions and 68 deletions
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contrib/linux-kernel/README.md
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# Linux Kernel Patch
There are two pieces, the `zstd_compress` and `zstd_decompress` kernel modules, and the BtrFS patch.
The patches are based off of the linux kernel version 4.9.
The BtrFS patch is not present in its entirety yet.
The patches are based off of the linux kernel master branch (version 4.10).
## Zstd Kernel modules
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## BtrFS
* `fs/btrfs/zstd.c` is provided.
* Some more glue is required to integrate it with BtrFS, but I haven't included the patches yet.
In the meantime see https://github.com/terrelln/linux/commit/1914f7d4ca6c539369c84853eafa4ac104883047 if you're interested.
* The patch is located in `btrfs.diff`.
* Additionally `fs/btrfs/zstd.c` is provided as a source for convenience.
* The patch seems to be working, it doesn't crash the kernel, and compresses at speeds and ratios athat are expected.
It can still use some more testing for fringe features, like printing options.