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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.
config UBIFS_FS_XATTR
bool "UBIFS XATTR support"
depends on UBIFS_FS
default y
help
Saying Y here includes support for extended attributes (xattrs).
Xattrs are name:value pairs associated with inodes by
the kernel or by users (see the attr(5) manual page).
If unsure, say Y.
config UBIFS_FS_SECURITY
bool "UBIFS Security Labels"
depends on UBIFS_FS && UBIFS_FS_XATTR
default y
help
Security labels provide an access control facility to support Linux
Security Models (LSMs) accepted by AppArmor, SELinux, Smack and TOMOYO
Linux. This option enables an extended attribute handler for file
security labels in the ubifs filesystem, so that it requires enabling
the extended attribute support in advance.
If you are not using a security module, say N.
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