What: /sys/fs/erofs/<disk>/sync_decompress
Date: November 2021
Contact: "Huang Jianan" <huangjianan@oppo.com>
Description: Control strategy of sync decompression:
- 0 (default, auto): enable for readpage, and enable for
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).
What: /sys/fs/erofs/<disk>/dir_ra_bytes
Date: July 2025
Contact: "Chao Yu" <chao@kernel.org>
Description: Used to set or show readahead bytes during readdir(), by default the value is 16384.
Die Informationen auf dieser Webseite wurden
nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit,
noch Qualität der bereit gestellten Informationen zugesichert.
Bemerkung:
Die farbliche Syntaxdarstellung und die Messung sind noch experimentell.