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Diffstat (limited to 'Documentation/ABI/testing/sysfs-fs-erofs')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-fs-erofs | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-fs-erofs b/Documentation/ABI/testing/sysfs-fs-erofs index 284224d1b56f..bf3b6299c15e 100644 --- a/Documentation/ABI/testing/sysfs-fs-erofs +++ b/Documentation/ABI/testing/sysfs-fs-erofs @@ -16,3 +16,22 @@ Description: Control strategy of sync decompression: readahead on atomic contexts only. - 1 (force on): enable for readpage and readahead. - 2 (force off): disable for all situations. + +What: /sys/fs/erofs/<disk>/drop_caches +Date: November 2024 +Contact: "Guo Chunhai" <guochunhai@vivo.com> +Description: Writing to this will drop compression-related caches, + currently used to drop in-memory pclusters and cached + compressed folios: + + - 1 : invalidate cached compressed folios + - 2 : drop in-memory pclusters + - 3 : drop in-memory pclusters and cached compressed folios + +What: /sys/fs/erofs/accel +Date: May 2025 +Contact: "Bo Liu" <liubo03@inspur.com> +Description: Used to set or show hardware accelerators in effect + and multiple accelerators are separated by '\n'. + Supported accelerator(s): qat_deflate. + Disable all accelerators with an empty string (echo > accel). |