ntfs: implement codec ops for LZX and XPRESS

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Implement the transparent compression codec ops for XPRESS (4K, 8K,
16K) and LZX (32K) algorithms. The xpress_scratch_size,
lzx_scratch_size, xpress_decompress_chunk, and lzx_decompress_chunk
wrappers provide unified interfaces and use per-call dynamic scratch
state allocation (avoiding global mutexed singletons).

Signed-off-by: Hyunchul Lee <hyc.lee@gmail.com>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>

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Hyunchul Lee 2026-08-21 14:00:57 +09:00 • committed by Namjae Jeon

parent f39cd3f7fc

commit 7ddb3fef35

3 changed files with 61 additions and 0 deletions

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21

fs/ntfs/lib/lzx_decompress.c

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34

fs/ntfs/lib/xpress_decompress.c

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6

fs/ntfs/ntfs_codec.h

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