Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   1) # SPDX-License-Identifier: GPL-2.0-only
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   2) config NFS_FS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   3) 	tristate "NFS client support"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   4) 	depends on INET && FILE_LOCKING && MULTIUSER
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   5) 	select LOCKD
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   6) 	select SUNRPC
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   7) 	select NFS_ACL_SUPPORT if NFS_V3_ACL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   8) 	help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   9) 	  Choose Y here if you want to access files residing on other
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  10) 	  computers using Sun's Network File System protocol.  To compile
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  11) 	  this file system support as a module, choose M here: the module
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12) 	  will be called nfs.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14) 	  To mount file systems exported by NFS servers, you also need to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15) 	  install the user space mount.nfs command which can be found in
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  16) 	  the Linux nfs-utils package, available from http://linux-nfs.org/.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  17) 	  Information about using the mount command is available in the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  18) 	  mount(8) man page.  More detail about the Linux NFS client
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19) 	  implementation is available via the nfs(5) man page.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21) 	  Below you can choose which versions of the NFS protocol are
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22) 	  available in the kernel to mount NFS servers.  Support for NFS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23) 	  version 2 (RFC 1094) is always available when NFS_FS is selected.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25) 	  To configure a system which mounts its root file system via NFS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26) 	  at boot time, say Y here, select "Kernel level IP
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27) 	  autoconfiguration" in the NETWORK menu, and select "Root file
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28) 	  system on NFS" below.  You cannot compile this file system as a
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29) 	  module in this case.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31) 	  If unsure, say N.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33) config NFS_V2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34) 	tristate "NFS client support for NFS version 2"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35) 	depends on NFS_FS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36) 	default y
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37) 	help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38) 	  This option enables support for version 2 of the NFS protocol
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39) 	  (RFC 1094) in the kernel's NFS client.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41) 	  If unsure, say Y.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43) config NFS_V3
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44) 	tristate "NFS client support for NFS version 3"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45) 	depends on NFS_FS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46) 	default y
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47) 	help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48) 	  This option enables support for version 3 of the NFS protocol
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49) 	  (RFC 1813) in the kernel's NFS client.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51) 	  If unsure, say Y.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53) config NFS_V3_ACL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54) 	bool "NFS client support for the NFSv3 ACL protocol extension"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55) 	depends on NFS_V3
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56) 	help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57) 	  Some NFS servers support an auxiliary NFSv3 ACL protocol that
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58) 	  Sun added to Solaris but never became an official part of the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59) 	  NFS version 3 protocol.  This protocol extension allows
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60) 	  applications on NFS clients to manipulate POSIX Access Control
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61) 	  Lists on files residing on NFS servers.  NFS servers enforce
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62) 	  ACLs on local files whether this protocol is available or not.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64) 	  Choose Y here if your NFS server supports the Solaris NFSv3 ACL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65) 	  protocol extension and you want your NFS client to allow
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66) 	  applications to access and modify ACLs on files on the server.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  67) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  68) 	  Most NFS servers don't support the Solaris NFSv3 ACL protocol
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  69) 	  extension.  You can choose N here or specify the "noacl" mount
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70) 	  option to prevent your NFS client from trying to use the NFSv3
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71) 	  ACL protocol.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73) 	  If unsure, say N.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75) config NFS_V4
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76) 	tristate "NFS client support for NFS version 4"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77) 	depends on NFS_FS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78) 	select SUNRPC_GSS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79) 	select KEYS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  80) 	help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  81) 	  This option enables support for version 4 of the NFS protocol
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  82) 	  (RFC 3530) in the kernel's NFS client.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84) 	  To mount NFS servers using NFSv4, you also need to install user
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85) 	  space programs which can be found in the Linux nfs-utils package,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86) 	  available from http://linux-nfs.org/.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88) 	  If unsure, say Y.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90) config NFS_SWAP
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91) 	bool "Provide swap over NFS support"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92) 	default n
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93) 	depends on NFS_FS && SWAP
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94) 	select SUNRPC_SWAP
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95) 	help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96) 	  This option enables swapon to work on files located on NFS mounts.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98) config NFS_V4_1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99) 	bool "NFS client support for NFSv4.1"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) 	depends on NFS_V4
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) 	select SUNRPC_BACKCHANNEL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) 	help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) 	  This option enables support for minor version 1 of the NFSv4 protocol
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) 	  (RFC 5661) in the kernel's NFS client.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) 	  If unsure, say N.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) config NFS_V4_2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) 	bool "NFS client support for NFSv4.2"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) 	depends on NFS_V4_1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) 	help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) 	  This option enables support for minor version 2 of the NFSv4 protocol
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) 	  in the kernel's NFS client.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) 	  If unsure, say N.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) config PNFS_FILE_LAYOUT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) 	tristate
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) 	depends on NFS_V4_1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) 	default NFS_V4
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) config PNFS_BLOCK
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) 	tristate
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) 	depends on NFS_V4_1 && BLK_DEV_DM
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) 	default NFS_V4
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) config PNFS_FLEXFILE_LAYOUT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) 	tristate
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) 	depends on NFS_V4_1 && NFS_V3
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) 	default NFS_V4
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) config NFS_V4_1_IMPLEMENTATION_ID_DOMAIN
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) 	string "NFSv4.1 Implementation ID Domain"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) 	depends on NFS_V4_1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) 	default "kernel.org"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) 	help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) 	  This option defines the domain portion of the implementation ID that
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) 	  may be sent in the NFS exchange_id operation.  The value must be in
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) 	  the format of a DNS domain name and should be set to the DNS domain
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) 	  name of the distribution.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) 	  If the NFS client is unchanged from the upstream kernel, this
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) 	  option should be set to the default "kernel.org".
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) config NFS_V4_1_MIGRATION
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) 	bool "NFSv4.1 client support for migration"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) 	depends on NFS_V4_1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) 	default n
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) 	help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) 	  This option makes the NFS client advertise to NFSv4.1 servers that
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150)           it can support NFSv4 migration.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152)           The NFSv4.1 pieces of the Linux NFSv4 migration implementation are
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153)           still experimental.  If you are not an NFSv4 developer, say N here.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) config NFS_V4_SECURITY_LABEL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) 	bool
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) 	depends on NFS_V4_2 && SECURITY
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) 	default y
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) config ROOT_NFS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) 	bool "Root file system on NFS"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) 	depends on NFS_FS=y && IP_PNP
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) 	help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) 	  If you want your system to mount its root file system via NFS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) 	  choose Y here.  This is common practice for managing systems
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) 	  without local permanent storage.  For details, read
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) 	  <file:Documentation/admin-guide/nfs/nfsroot.rst>.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) 	  Most people say N here.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) config NFS_FSCACHE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) 	bool "Provide NFS client caching support"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) 	depends on NFS_FS=m && FSCACHE || NFS_FS=y && FSCACHE=y
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) 	help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) 	  Say Y here if you want NFS data to be cached locally on disc through
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) 	  the general filesystem cache manager
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) config NFS_USE_LEGACY_DNS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) 	bool "Use the legacy NFS DNS resolver"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) 	depends on NFS_V4
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) 	help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) 	  The kernel now provides a method for translating a host name into an
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) 	  IP address.  Select Y here if you would rather use your own DNS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) 	  resolver script.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) 	  If unsure, say N
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) config NFS_USE_KERNEL_DNS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) 	bool
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) 	depends on NFS_V4 && !NFS_USE_LEGACY_DNS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) 	select DNS_RESOLVER
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) 	default y
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) config NFS_DEBUG
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) 	bool
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) 	depends on NFS_FS && SUNRPC_DEBUG
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) 	select CRC32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) 	default y
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) config NFS_DISABLE_UDP_SUPPORT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201)        bool "NFS: Disable NFS UDP protocol support"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202)        depends on NFS_FS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203)        default y
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204)        help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) 	 Choose Y here to disable the use of NFS over UDP. NFS over UDP
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) 	 on modern networks (1Gb+) can lead to data corruption caused by
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) 	 fragmentation during high loads.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) config NFS_V4_2_READ_PLUS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) 	bool "NFS: Enable support for the NFSv4.2 READ_PLUS operation"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) 	depends on NFS_V4_2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) 	default n
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) 	help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) 	 This is intended for developers only. The READ_PLUS operation has
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) 	 been shown to have issues under specific conditions and should not
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) 	 be used in production.