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_XATTR
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bool "Extended attributes support"
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depends on UBIFS_FS
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help
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This option enables support of extended attributes.
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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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are enabled in UBIFS. Removing compressors means inbility to read
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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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LZO compressor is generally faster then zlib but compresses worse.
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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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2008-07-15 00:08:38 +08:00
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# Debugging-related stuff
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config UBIFS_FS_DEBUG
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bool "Enable debugging"
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depends on UBIFS_FS
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select DEBUG_FS
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select KALLSYMS_ALL
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help
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This option enables UBIFS debugging.
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config UBIFS_FS_DEBUG_MSG_LVL
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int "Default message level (0 = no extra messages, 3 = lots)"
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depends on UBIFS_FS_DEBUG
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default "0"
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help
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This controls the amount of debugging messages produced by UBIFS.
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If reporting bugs, please try to have available a full dump of the
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messages at level 1 while the misbehaviour was occurring. Level 2
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may become necessary if level 1 messages were not enough to find the
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bug. Generally Level 3 should be avoided.
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config UBIFS_FS_DEBUG_CHKS
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bool "Enable extra checks"
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depends on UBIFS_FS_DEBUG
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help
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If extra checks are enabled UBIFS will check the consistency of its
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internal data structures during operation. However, UBIFS performance
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is dramatically slower when this option is selected especially if the
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file system is large.
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