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| author | Richard Chang <richardycc@google.com> | 2025-12-01 18:47:49 +0900 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2026-01-20 19:24:36 -0800 |
| commit | 4c1d61389e8e4307449eb2ebad997241cbf08fef (patch) | |
| tree | 1bd60c269c042a2a9c6a2eca6a8c1268b65e101d /Documentation/ABI/testing | |
| parent | d38fab605c66778a8ddfbe2ac66c3a3eb7b2295a (diff) | |
| download | lwn-4c1d61389e8e4307449eb2ebad997241cbf08fef.tar.gz lwn-4c1d61389e8e4307449eb2ebad997241cbf08fef.zip | |
zram: introduce writeback_compressed device attribute
Introduce witeback_compressed device attribute to toggle compressed
writeback (decompression on demand) feature.
[senozhatsky@chromium.org: rewrote original patch, added documentation]
Link: https://lkml.kernel.org/r/20251201094754.4149975-3-senozhatsky@chromium.org
Signed-off-by: Richard Chang <richardycc@google.com>
Co-developed-by: Sergey Senozhatsky <senozhatsky@chromium.org>
Signed-off-by: Sergey Senozhatsky <senozhatsky@chromium.org>
Cc: Brian Geffon <bgeffon@google.com>
Cc: David Stevens <stevensd@google.com>
Cc: Minchan Kim <minchan@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'Documentation/ABI/testing')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-block-zram | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-block-zram b/Documentation/ABI/testing/sysfs-block-zram index 36c57de0a10a..ed10c2e4b5c2 100644 --- a/Documentation/ABI/testing/sysfs-block-zram +++ b/Documentation/ABI/testing/sysfs-block-zram @@ -150,3 +150,10 @@ Contact: Sergey Senozhatsky <senozhatsky@chromium.org> Description: The algorithm_params file is write-only and is used to setup compression algorithm parameters. + +What: /sys/block/zram<id>/writeback_compressed +Date: Decemeber 2025 +Contact: Richard Chang <richardycc@google.com> +Description: + The writeback_compressed device atrribute toggles compressed + writeback feature. |