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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_LZO if UBIFS_FS_LZO
+ 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.
+
+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.