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f2fs: compress: support zstd compress algorithm

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Add zstd compress algorithm support, use "compress_algorithm=zstd"
mountoption to enable it.

Signed-off-by: Chao Yu <[email protected]>
Signed-off-by: Jaegeuk Kim <[email protected]>
This commit is contained in:
Chao Yu 2020-03-03 17:46:02 +08:00 • committed by Jaegeuk Kim
commit 6a881d4790
6 changed files with 190 additions and 3 deletions
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4
Documentation/filesystems/f2fs.txt
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@ -235,8 +235,8 @@ checkpoint=%s[:%u[%]] Set to "disable" to turn off checkpointing. Set to "en
hide up to all remaining free space. The actual space that
would be unusable can be viewed at /sys/fs/f2fs/<disk>/unusable
This space is reclaimed once checkpoint=enable.
compress_algorithm=%s Control compress algorithm, currently f2fs supports "lzo"
and "lz4" algorithm.
compress_algorithm=%s Control compress algorithm, currently f2fs supports "lzo",
"lz4" and "zstd" algorithm.
compress_log_size=%u Support configuring compress cluster size, the size will
be 4KB * (1 << %u), 16KB is minimum size, also it's
default size.