VisionFive2 Linux kernel

29b24f6ca112d drivers/staging/erofs/Kconfig (Gao Xiang     2019-07-31 23:57:31 +0800  1) # SPDX-License-Identifier: GPL-2.0-only
fd68c6a20fcfa drivers/staging/erofs/Kconfig (Gao Xiang     2018-07-26 20:21:51 +0800  2) 
fd68c6a20fcfa drivers/staging/erofs/Kconfig (Gao Xiang     2018-07-26 20:21:51 +0800  3) config EROFS_FS
fd68c6a20fcfa drivers/staging/erofs/Kconfig (Gao Xiang     2018-07-26 20:21:51 +0800  4) 	tristate "EROFS filesystem support"
aca19723604c2 drivers/staging/erofs/Kconfig (Gao Xiang     2018-08-28 11:39:48 +0800  5) 	depends on BLOCK
b858a4844cfba fs/erofs/Kconfig              (Pratik Shinde 2019-11-04 10:49:37 +0800  6) 	select LIBCRC32C
fd68c6a20fcfa drivers/staging/erofs/Kconfig (Gao Xiang     2018-07-26 20:21:51 +0800  7) 	help
0b800f3dbae71 drivers/staging/erofs/Kconfig (Gao Xiang     2019-07-31 23:57:52 +0800  8) 	  EROFS (Enhanced Read-Only File System) is a lightweight
fd68c6a20fcfa drivers/staging/erofs/Kconfig (Gao Xiang     2018-07-26 20:21:51 +0800  9) 	  read-only file system with modern designs (eg. page-sized
fd68c6a20fcfa drivers/staging/erofs/Kconfig (Gao Xiang     2018-07-26 20:21:51 +0800 10) 	  blocks, inline xattrs/data, etc.) for scenarios which need
0b800f3dbae71 drivers/staging/erofs/Kconfig (Gao Xiang     2019-07-31 23:57:52 +0800 11) 	  high-performance read-only requirements, e.g. Android OS
0b800f3dbae71 drivers/staging/erofs/Kconfig (Gao Xiang     2019-07-31 23:57:52 +0800 12) 	  for mobile phones and LIVECDs.
fd68c6a20fcfa drivers/staging/erofs/Kconfig (Gao Xiang     2018-07-26 20:21:51 +0800 13) 
0b800f3dbae71 drivers/staging/erofs/Kconfig (Gao Xiang     2019-07-31 23:57:52 +0800 14) 	  It also provides fixed-sized output compression support,
0b800f3dbae71 drivers/staging/erofs/Kconfig (Gao Xiang     2019-07-31 23:57:52 +0800 15) 	  which improves storage density, keeps relatively higher
0b800f3dbae71 drivers/staging/erofs/Kconfig (Gao Xiang     2019-07-31 23:57:52 +0800 16) 	  compression ratios, which is more useful to achieve high
0b800f3dbae71 drivers/staging/erofs/Kconfig (Gao Xiang     2019-07-31 23:57:52 +0800 17) 	  performance for embedded devices with limited memory.
fd68c6a20fcfa drivers/staging/erofs/Kconfig (Gao Xiang     2018-07-26 20:21:51 +0800 18) 
fd68c6a20fcfa drivers/staging/erofs/Kconfig (Gao Xiang     2018-07-26 20:21:51 +0800 19) 	  If unsure, say N.
fd68c6a20fcfa drivers/staging/erofs/Kconfig (Gao Xiang     2018-07-26 20:21:51 +0800 20) 
fd68c6a20fcfa drivers/staging/erofs/Kconfig (Gao Xiang     2018-07-26 20:21:51 +0800 21) config EROFS_FS_DEBUG
fd68c6a20fcfa drivers/staging/erofs/Kconfig (Gao Xiang     2018-07-26 20:21:51 +0800 22) 	bool "EROFS debugging feature"
fd68c6a20fcfa drivers/staging/erofs/Kconfig (Gao Xiang     2018-07-26 20:21:51 +0800 23) 	depends on EROFS_FS
fd68c6a20fcfa drivers/staging/erofs/Kconfig (Gao Xiang     2018-07-26 20:21:51 +0800 24) 	help
0b800f3dbae71 drivers/staging/erofs/Kconfig (Gao Xiang     2019-07-31 23:57:52 +0800 25) 	  Print debugging messages and enable more BUG_ONs which check
0b800f3dbae71 drivers/staging/erofs/Kconfig (Gao Xiang     2019-07-31 23:57:52 +0800 26) 	  filesystem consistency and find potential issues aggressively,
0b800f3dbae71 drivers/staging/erofs/Kconfig (Gao Xiang     2019-07-31 23:57:52 +0800 27) 	  which can be used for Android eng build, for example.
fd68c6a20fcfa drivers/staging/erofs/Kconfig (Gao Xiang     2018-07-26 20:21:51 +0800 28) 
fd68c6a20fcfa drivers/staging/erofs/Kconfig (Gao Xiang     2018-07-26 20:21:51 +0800 29) 	  For daily use, say N.
fd68c6a20fcfa drivers/staging/erofs/Kconfig (Gao Xiang     2018-07-26 20:21:51 +0800 30) 
b17500a0fdbae drivers/staging/erofs/Kconfig (Gao Xiang     2018-07-26 20:21:52 +0800 31) config EROFS_FS_XATTR
b17500a0fdbae drivers/staging/erofs/Kconfig (Gao Xiang     2018-07-26 20:21:52 +0800 32) 	bool "EROFS extended attributes"
b17500a0fdbae drivers/staging/erofs/Kconfig (Gao Xiang     2018-07-26 20:21:52 +0800 33) 	depends on EROFS_FS
b17500a0fdbae drivers/staging/erofs/Kconfig (Gao Xiang     2018-07-26 20:21:52 +0800 34) 	default y
b17500a0fdbae drivers/staging/erofs/Kconfig (Gao Xiang     2018-07-26 20:21:52 +0800 35) 	help
b17500a0fdbae drivers/staging/erofs/Kconfig (Gao Xiang     2018-07-26 20:21:52 +0800 36) 	  Extended attributes are name:value pairs associated with inodes by
b17500a0fdbae drivers/staging/erofs/Kconfig (Gao Xiang     2018-07-26 20:21:52 +0800 37) 	  the kernel or by users (see the attr(5) manual page, or visit
b17500a0fdbae drivers/staging/erofs/Kconfig (Gao Xiang     2018-07-26 20:21:52 +0800 38) 	  <http://acl.bestbits.at/> for details).
b17500a0fdbae drivers/staging/erofs/Kconfig (Gao Xiang     2018-07-26 20:21:52 +0800 39) 
b17500a0fdbae drivers/staging/erofs/Kconfig (Gao Xiang     2018-07-26 20:21:52 +0800 40) 	  If unsure, say N.
b17500a0fdbae drivers/staging/erofs/Kconfig (Gao Xiang     2018-07-26 20:21:52 +0800 41) 
b17500a0fdbae drivers/staging/erofs/Kconfig (Gao Xiang     2018-07-26 20:21:52 +0800 42) config EROFS_FS_POSIX_ACL
b17500a0fdbae drivers/staging/erofs/Kconfig (Gao Xiang     2018-07-26 20:21:52 +0800 43) 	bool "EROFS Access Control Lists"
b17500a0fdbae drivers/staging/erofs/Kconfig (Gao Xiang     2018-07-26 20:21:52 +0800 44) 	depends on EROFS_FS_XATTR
b17500a0fdbae drivers/staging/erofs/Kconfig (Gao Xiang     2018-07-26 20:21:52 +0800 45) 	select FS_POSIX_ACL
b17500a0fdbae drivers/staging/erofs/Kconfig (Gao Xiang     2018-07-26 20:21:52 +0800 46) 	default y
b17500a0fdbae drivers/staging/erofs/Kconfig (Gao Xiang     2018-07-26 20:21:52 +0800 47) 	help
b17500a0fdbae drivers/staging/erofs/Kconfig (Gao Xiang     2018-07-26 20:21:52 +0800 48) 	  Posix Access Control Lists (ACLs) support permissions for users and
b17500a0fdbae drivers/staging/erofs/Kconfig (Gao Xiang     2018-07-26 20:21:52 +0800 49) 	  groups beyond the owner/group/world scheme.
b17500a0fdbae drivers/staging/erofs/Kconfig (Gao Xiang     2018-07-26 20:21:52 +0800 50) 
b17500a0fdbae drivers/staging/erofs/Kconfig (Gao Xiang     2018-07-26 20:21:52 +0800 51) 	  To learn more about Access Control Lists, visit the POSIX ACLs for
b17500a0fdbae drivers/staging/erofs/Kconfig (Gao Xiang     2018-07-26 20:21:52 +0800 52) 	  Linux website <http://acl.bestbits.at/>.
b17500a0fdbae drivers/staging/erofs/Kconfig (Gao Xiang     2018-07-26 20:21:52 +0800 53) 
b17500a0fdbae drivers/staging/erofs/Kconfig (Gao Xiang     2018-07-26 20:21:52 +0800 54) 	  If you don't know what Access Control Lists are, say N.
b17500a0fdbae drivers/staging/erofs/Kconfig (Gao Xiang     2018-07-26 20:21:52 +0800 55) 
b17500a0fdbae drivers/staging/erofs/Kconfig (Gao Xiang     2018-07-26 20:21:52 +0800 56) config EROFS_FS_SECURITY
b17500a0fdbae drivers/staging/erofs/Kconfig (Gao Xiang     2018-07-26 20:21:52 +0800 57) 	bool "EROFS Security Labels"
b17500a0fdbae drivers/staging/erofs/Kconfig (Gao Xiang     2018-07-26 20:21:52 +0800 58) 	depends on EROFS_FS_XATTR
0b800f3dbae71 drivers/staging/erofs/Kconfig (Gao Xiang     2019-07-31 23:57:52 +0800 59) 	default y
b17500a0fdbae drivers/staging/erofs/Kconfig (Gao Xiang     2018-07-26 20:21:52 +0800 60) 	help
b17500a0fdbae drivers/staging/erofs/Kconfig (Gao Xiang     2018-07-26 20:21:52 +0800 61) 	  Security labels provide an access control facility to support Linux
b17500a0fdbae drivers/staging/erofs/Kconfig (Gao Xiang     2018-07-26 20:21:52 +0800 62) 	  Security Models (LSMs) accepted by AppArmor, SELinux, Smack and TOMOYO
b17500a0fdbae drivers/staging/erofs/Kconfig (Gao Xiang     2018-07-26 20:21:52 +0800 63) 	  Linux. This option enables an extended attribute handler for file
b17500a0fdbae drivers/staging/erofs/Kconfig (Gao Xiang     2018-07-26 20:21:52 +0800 64) 	  security labels in the erofs filesystem, so that it requires enabling
b17500a0fdbae drivers/staging/erofs/Kconfig (Gao Xiang     2018-07-26 20:21:52 +0800 65) 	  the extended attribute support in advance.
b17500a0fdbae drivers/staging/erofs/Kconfig (Gao Xiang     2018-07-26 20:21:52 +0800 66) 
b17500a0fdbae drivers/staging/erofs/Kconfig (Gao Xiang     2018-07-26 20:21:52 +0800 67) 	  If you are not using a security module, say N.
b17500a0fdbae drivers/staging/erofs/Kconfig (Gao Xiang     2018-07-26 20:21:52 +0800 68) 
02827e1796b33 drivers/staging/erofs/Kconfig (Gao Xiang     2018-07-26 20:21:58 +0800 69) config EROFS_FS_ZIP
0b800f3dbae71 drivers/staging/erofs/Kconfig (Gao Xiang     2019-07-31 23:57:52 +0800 70) 	bool "EROFS Data Compression Support"
02827e1796b33 drivers/staging/erofs/Kconfig (Gao Xiang     2018-07-26 20:21:58 +0800 71) 	depends on EROFS_FS
7962e63a2f414 drivers/staging/erofs/Kconfig (Gao Xiang     2018-11-10 00:07:50 +0800 72) 	select LZ4_DECOMPRESS
0b800f3dbae71 drivers/staging/erofs/Kconfig (Gao Xiang     2019-07-31 23:57:52 +0800 73) 	default y
02827e1796b33 drivers/staging/erofs/Kconfig (Gao Xiang     2018-07-26 20:21:58 +0800 74) 	help
0b800f3dbae71 drivers/staging/erofs/Kconfig (Gao Xiang     2019-07-31 23:57:52 +0800 75) 	  Enable fixed-sized output compression for EROFS.
02827e1796b33 drivers/staging/erofs/Kconfig (Gao Xiang     2018-07-26 20:21:58 +0800 76) 
0b800f3dbae71 drivers/staging/erofs/Kconfig (Gao Xiang     2019-07-31 23:57:52 +0800 77) 	  If you don't want to enable compression feature, say N.
02827e1796b33 drivers/staging/erofs/Kconfig (Gao Xiang     2018-07-26 20:21:58 +0800 78)