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nixos/zram: add compression algorithms to option enum

These options are available on a standard NixOS system, which can be
seeing by running `cat /sys/devices/virtual/block/zram0/comp_algorithm`.

Daniel Fullmer 68142254 3dfe42d7

options
unified split
Changed files
+1 -1
nixos
modules
config
zram.nix
+1 -1
nixos/modules/config/zram.nix 
···

       
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      algorithm = lib.mkOption {


     

       
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        default = "zstd";


     

       
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        example = "lz4";


     

       
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-

       
        type = with lib.types; either (enum [ "lzo" "lz4" "zstd" ]) str;


     

       

       
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+

       
        type = with lib.types; either (enum [ "842" "lzo" "lzo-rle" "lz4" "lz4hc" "zstd" ]) str;


     

       
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        description = ''


     

       
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          Compression algorithm. `lzo` has good compression,


     

       
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          but is slow. `lz4` has bad compression, but is fast.