2008-07-14 10:08:38 -06:00
|
|
|
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,
|
2009-01-26 03:12:25 -07:00
|
|
|
are enabled in UBIFS. Removing compressors means inability to read
|
2008-07-14 10:08:38 -06:00
|
|
|
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
|
2009-01-26 03:12:25 -07:00
|
|
|
LZO compressor is generally faster than zlib but compresses worse.
|
2008-07-14 10:08:38 -06:00
|
|
|
Say 'Y' if unsure.
|
|
|
|
|
|
|
|
config UBIFS_FS_ZLIB
|
|
|
|
bool "ZLIB compression support" if UBIFS_FS_ADVANCED_COMPR
|
|
|
|
depends on UBIFS_FS
|
|
|
|
default y
|
|
|
|
help
|
2008-10-16 11:02:37 -06:00
|
|
|
Zlib compresses better than LZO but it is slower. Say 'Y' if unsure.
|