修改内核路径

hc

2024-05-14 bedbef8ad3e75a304af6361af235302bcc61d06b

 kernel/fs/ubifs/Kconfig
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+# SPDX-License-Identifier: GPL-2.0-only
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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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@@ -5,17 +6,21 @@
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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 if UBIFS_FS_ZSTD
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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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+	select CRYPTO_ZSTD if UBIFS_FS_ZSTD
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+	select CRYPTO_HASH_INFO
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 	select UBIFS_FS_XATTR if FS_ENCRYPTION
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 	select FS_ENCRYPTION_ALGS if FS_ENCRYPTION
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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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+if UBIFS_FS
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+
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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 inability to read
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@@ -25,7 +30,6 @@
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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 than zlib but compresses worse.
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@@ -33,14 +37,20 @@
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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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 	  Zlib compresses better than LZO but it is slower. Say 'Y' if unsure.
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-config UBIFS_ATIME_SUPPORT
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-	bool "Access time support" if UBIFS_FS
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+config UBIFS_FS_ZSTD
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+	bool "ZSTD 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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+	  ZSTD compresses is a big win in speed over Zlib and
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+	  in compression ratio over LZO. Say 'Y' if unsure.
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+
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+config UBIFS_ATIME_SUPPORT
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+	bool "Access time support"
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 	default n
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 	help
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 	  Originally UBIFS did not support atime, because it looked like a bad idea due
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 config UBIFS_FS_XATTR
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 	bool "UBIFS XATTR support"
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-	depends on UBIFS_FS
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 	default y
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 	help
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 	  Saying Y here includes support for extended attributes (xattrs).
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@@ -66,7 +75,7 @@
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 config UBIFS_FS_SECURITY
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 	bool "UBIFS Security Labels"
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-	depends on UBIFS_FS && UBIFS_FS_XATTR
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+	depends on UBIFS_FS_XATTR
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 	default y
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 	help
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 	  Security labels provide an access control facility to support Linux
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 	  the extended attribute support in advance.
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 	  If you are not using a security module, say N.
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+
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+config UBIFS_FS_AUTHENTICATION
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+	bool "UBIFS authentication support"
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+	select KEYS
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+	select CRYPTO_HMAC
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+	select SYSTEM_DATA_VERIFICATION
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+	help
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+	  Enable authentication support for UBIFS. This feature offers protection
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+	  against offline changes for both data and metadata of the filesystem.
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+	  If you say yes here you should also select a hashing algorithm such as
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+	  sha256, these are not selected automatically since there are many
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+	  different options.
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+
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+endif # UBIFS_FS