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- config UBIFS_FS
- tristate "UBIFS file system support"
- select CRC16
- select CRC32
- select CRYPTO if UBIFS_FS_ADVANCED_COMPR
- select CRYPTO if UBIFS_FS_LZO
- select CRYPTO if UBIFS_FS_ZLIB
- select CRYPTO if UBIFS_FS_LZ4K
- select CRYPTO_LZO if UBIFS_FS_LZO
- select CRYPTO_LZ4K if UBIFS_FS_LZ4K
- select CRYPTO_DEFLATE if UBIFS_FS_ZLIB
- depends on MTD_UBI
- help
- UBIFS is a file system for flash devices,
- which works on top of UBI.
- config UBIFS_FS_ADVANCED_COMPR
- bool "Advanced compression options"
- depends on UBIFS_FS
- help
- This option allows to explicitly choose which compressions, if any,
- are enabled in UBIFS. Removing compressors means inability to read
- existing file systems.
- If unsure, say 'N'.
- config UBIFS_FS_LZO
- bool "LZO compression support" if UBIFS_FS_ADVANCED_COMPR
- depends on UBIFS_FS
- default y
- help
- LZO compressor is generally faster than zlib,
- but compresses worse.
- Say 'Y' if unsure.
- default y.
- config UBIFS_FS_LZ4K
- bool "LZ4K compression support" if UBIFS_FS_ADVANCED_COMPR
- depends on UBIFS_FS
- default n
- help
- LZ4K compressor is generally faster than zlib,
- but compresses worse.
- Say 'Y' if unsure.
- default n.
- config UBIFS_FS_ZLIB
- bool "ZLIB compression support" if UBIFS_FS_ADVANCED_COMPR
- depends on UBIFS_FS
- default y
- help
- Zlib compresses better than LZO,
- but it is slower.
- Say 'Y' if unsure.
- default y.
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