Soft-hide global /recompress parameters

Ref: #215

Author: nabijaczleweli

man/zram-generator.conf.md

@@ -80,7 +80,7 @@ Devices with the final size of *0* will be discarded.
   If more than one is given, and recompression is enabled in the kernel, subsequent ones will be set as the recompression algorithms, with decreasing priority.
 
   If a compression algorithm is suffixed with a parenthesised comma-separated list of parameters, those are given to `.../algorithm_params`.
-  A parenthesised parameter list *without* a compression algorithm is set as the global recompression parameters (`.../recompress`).
+  A parenthesised parameter list *without* a compression algorithm is written to `.../recompress`.
 
 * `writeback-device`=
 

tests/test_cases.rs

@@ -326,7 +326,7 @@ fn test_10_example() {
                             ("lzo-rle".into(), "".into()),
                             ("zstd".into(), "level=3".into())
                         ],
-                        recompression_global: "type=idle".into(),
+                        ..Default::default()
                     }
                 );
                 assert_eq!(d.options, "");

zram-generator.conf.example

@@ -38,10 +38,7 @@ zram-resident-limit = maxhotplug * 3/4
 #
 # Subsequent algorithms are used for recompression.
 # Comma-separated parameters may be specified in parentheses.
-#
-# Parameters without a compression algorithm are set as
-# global recompression parameters.
-compression-algorithm = lzo-rle zstd(level=3) (type=idle)
+compression-algorithm = lzo-rle zstd(level=3)
 
 # By default, file systems and swap areas are trimmed on-the-go
 # by setting "discard".