2008-07-15 00:08:38 +08:00
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config UBIFS_FS
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tristate "UBIFS file system support"
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select CRC16
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select CRC32
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select CRYPTO if UBIFS_FS_ADVANCED_COMPR
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select CRYPTO if UBIFS_FS_LZO
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select CRYPTO if UBIFS_FS_ZLIB
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select CRYPTO_LZO if UBIFS_FS_LZO
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select CRYPTO_DEFLATE if UBIFS_FS_ZLIB
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depends on MTD_UBI
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help
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UBIFS is a file system for flash devices which works on top of UBI.
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config UBIFS_FS_ADVANCED_COMPR
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bool "Advanced compression options"
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depends on UBIFS_FS
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help
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This option allows to explicitly choose which compressions, if any,
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2009-01-26 18:12:25 +08:00
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are enabled in UBIFS. Removing compressors means inability to read
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2008-07-15 00:08:38 +08:00
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existing file systems.
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If unsure, say 'N'.
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config UBIFS_FS_LZO
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bool "LZO compression support" if UBIFS_FS_ADVANCED_COMPR
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depends on UBIFS_FS
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default y
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help
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2009-01-26 18:12:25 +08:00
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LZO compressor is generally faster than zlib but compresses worse.
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2008-07-15 00:08:38 +08:00
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Say 'Y' if unsure.
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config UBIFS_FS_ZLIB
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bool "ZLIB compression support" if UBIFS_FS_ADVANCED_COMPR
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depends on UBIFS_FS
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default y
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help
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2008-10-17 01:02:37 +08:00
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Zlib compresses better than LZO but it is slower. Say 'Y' if unsure.
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