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linux_dsm_epyc7002/fs/ubifs/Kconfig

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UBIFS: include to compilation Add UBIFS to Makefile and Kbuild. Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com> Signed-off-by: Adrian Hunter <ext-adrian.hunter@nokia.com>
2008-07-14 23:08:38 +07:00
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,
trivial: fix typos/grammar errors in Kconfig texts Signed-off-by: Matt LaPlante <kernel1@cyberdogtech.com> Acked-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2009-01-26 17:12:25 +07:00
are enabled in UBIFS. Removing compressors means inability to read
UBIFS: include to compilation Add UBIFS to Makefile and Kbuild. Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com> Signed-off-by: Adrian Hunter <ext-adrian.hunter@nokia.com>
2008-07-14 23:08:38 +07:00
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
trivial: fix typos/grammar errors in Kconfig texts Signed-off-by: Matt LaPlante <kernel1@cyberdogtech.com> Acked-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2009-01-26 17:12:25 +07:00
LZO compressor is generally faster than zlib but compresses worse.
UBIFS: include to compilation Add UBIFS to Makefile and Kbuild. Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com> Signed-off-by: Adrian Hunter <ext-adrian.hunter@nokia.com>
2008-07-14 23:08:38 +07:00
Say 'Y' if unsure.
config UBIFS_FS_ZLIB
bool "ZLIB compression support" if UBIFS_FS_ADVANCED_COMPR
depends on UBIFS_FS
default y
help
trivial: fix then -> than typos in comments and documentation - (better, more, bigger ...) then -> (...) than Signed-off-by: Frederik Schwarzer <schwarzerf@gmail.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2008-10-17 00:02:37 +07:00
Zlib compresses better than LZO but it is slower. Say 'Y' if unsure.
ubifs: introduce UBIFS_ATIME_SUPPORT to ubifs To make ubifs support atime flexily, this commit introduces a Kconfig option named as UBIFS_ATIME_SUPPORT. With UBIFS_ATIME_SUPPORT=n: ubifs keeps the full compatibility to no_atime from the start of ubifs. =================UBIFS_ATIME_SUPPORT=n======================= -o - no atime -o atime - no atime -o noatime - no atime -o relatime - no atime -o strictatime - no atime -o lazyatime - no atime With UBIFS_ATIME_SUPPORT=y: ubifs supports the atime same with other main stream file systems. =================UBIFS_ATIME_SUPPORT=y======================= -o - default behavior (relatime currently) -o atime - atime support -o noatime - no atime support -o relatime - relative atime support -o strictatime - strict atime support -o lazyatime - lazy atime support Signed-off-by: Dongsheng Yang <yangds.fnst@cn.fujitsu.com> Reviewed-by: Richard Weinberger <richard@nod.at> Signed-off-by: Richard Weinberger <richard@nod.at>
2015-11-07 11:46:11 +07:00
config UBIFS_ATIME_SUPPORT
bool "Access time support" if UBIFS_FS
depends on UBIFS_FS
default n
help
Originally UBIFS did not support atime, because it looked like a bad idea due
increased flash wear. This option adds atime support and it is disabled by default
to preserve the old behavior. If you enable this option, UBIFS starts updating atime,
which means that file-system read operations will cause writes (inode atime
updates). This may affect file-system performance and increase flash device wear,
so be careful. How often atime is updated depends on the selected strategy:
strictatime is the "heavy", relatime is "lighter", etc.
If unsure, say 'N'
ubifs: Add skeleton for fscrypto This is the first building block to provide file level encryption on UBIFS. Signed-off-by: Richard Weinberger <richard@nod.at>
2016-10-20 21:47:56 +07:00
config UBIFS_FS_ENCRYPTION
bool "UBIFS Encryption"
ubifs: add CONFIG_BLOCK dependency for encryption This came up during the v4.10 merge window: warning: (UBIFS_FS_ENCRYPTION) selects FS_ENCRYPTION which has unmet direct dependencies (BLOCK) fs/crypto/crypto.c: In function 'fscrypt_zeroout_range': fs/crypto/crypto.c:355:9: error: implicit declaration of function 'bio_alloc';did you mean 'd_alloc'? [-Werror=implicit-function-declaration] bio = bio_alloc(GFP_NOWAIT, 1); The easiest way out is to limit UBIFS_FS_ENCRYPTION to configurations that also enable BLOCK. Fixes: d475a507457b ("ubifs: Add skeleton for fscrypto") Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Richard Weinberger <richard@nod.at>
2016-12-16 15:42:16 +07:00
depends on UBIFS_FS && BLOCK
ubifs: Add skeleton for fscrypto This is the first building block to provide file level encryption on UBIFS. Signed-off-by: Richard Weinberger <richard@nod.at>
2016-10-20 21:47:56 +07:00
select FS_ENCRYPTION
default n
help
Enable encryption of UBIFS files and directories. This
feature is similar to ecryptfs, but it is more memory
efficient since it avoids caching the encrypted and
decrypted pages in the page cache.
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