1What: /sys/fs/erofs/features/ 2Date: November 2021 3Contact: "Huang Jianan" <huangjianan@oppo.com> 4Description: Shows all enabled kernel features. 5 Supported features: 6 zero_padding, compr_cfgs, big_pcluster, chunked_file, 7 device_table, compr_head2, sb_chksum, ztailpacking, 8 dedupe, fragments. 9 10What: /sys/fs/erofs/<disk>/sync_decompress 11Date: November 2021 12Contact: "Huang Jianan" <huangjianan@oppo.com> 13Description: Control strategy of sync decompression: 14 15 - 0 (default, auto): enable for readpage, and enable for 16 readahead on atomic contexts only. 17 - 1 (force on): enable for readpage and readahead. 18 - 2 (force off): disable for all situations. 19