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What: /sys/fs/erofs/features/
Date: November 2021
Contact: "Huang Jianan" <huangjianan@oppo.com>
Description: Shows all enabled kernel features.
Supported features:
zero_padding, compr_cfgs, big_pcluster, chunked_file,
device_table, compr_head2, sb_chksum, ztailpacking,
dedupe, fragments.
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.
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