fs/nfs/Kconfig

Source file repositories/reference/linux-study-clean/fs/nfs/Kconfig

File Facts

System
Linux kernel
Corpus path
fs/nfs/Kconfig
Extension
[no extension]
Size
6497 bytes
Lines
218
Domain
Core OS
Bucket
VFS And Filesystem Core
Inferred role
Core OS: build/configuration rule
Status
atlas-only

Why This File Exists

Core operating-system implementation surface: boot, tasks, memory, VFS, syscall-facing interfaces, synchronization, credentials, and isolation.

Dependency Surface

Detected Declarations

Annotated Snippet

# SPDX-License-Identifier: GPL-2.0-only
config NFS_FS
	tristate "NFS client support"
	depends on INET && FILE_LOCKING && MULTIUSER
	select CRC32
	select LOCKD
	select SUNRPC
	select NFS_COMMON
	select NFS_ACL_SUPPORT if NFS_V3_ACL
	help
	  Choose Y here if you want to access files residing on other
	  computers using Sun's Network File System protocol.  To compile
	  this file system support as a module, choose M here: the module
	  will be called nfs.

	  To mount file systems exported by NFS servers, you also need to
	  install the user space mount.nfs command which can be found in
	  the Linux nfs-utils package, available from http://linux-nfs.org/.
	  Information about using the mount command is available in the
	  mount(8) man page.  More detail about the Linux NFS client
	  implementation is available via the nfs(5) man page.

	  Below you can choose which versions of the NFS protocol are
	  available in the kernel to mount NFS servers.  Support for NFS
	  version 2 (RFC 1094) is always available when NFS_FS is selected.

	  To configure a system which mounts its root file system via NFS
	  at boot time, say Y here, select "Kernel level IP
	  autoconfiguration" in the NETWORK menu, and select "Root file
	  system on NFS" below.  You cannot compile this file system as a
	  module in this case.

	  If unsure, say N.

config NFS_V2
	tristate "NFS client support for NFS version 2"
	depends on NFS_FS
	default n
	help
	  This option enables support for version 2 of the NFS protocol
	  (RFC 1094) in the kernel's NFS client.

	  If unsure, say N.

config NFS_V3
	tristate "NFS client support for NFS version 3"
	depends on NFS_FS
	default y
	help
	  This option enables support for version 3 of the NFS protocol
	  (RFC 1813) in the kernel's NFS client.

	  If unsure, say Y.

config NFS_V3_ACL
	bool "NFS client support for the NFSv3 ACL protocol extension"
	depends on NFS_V3
	help
	  Some NFS servers support an auxiliary NFSv3 ACL protocol that
	  Sun added to Solaris but never became an official part of the
	  NFS version 3 protocol.  This protocol extension allows
	  applications on NFS clients to manipulate POSIX Access Control
	  Lists on files residing on NFS servers.  NFS servers enforce
	  ACLs on local files whether this protocol is available or not.

	  Choose Y here if your NFS server supports the Solaris NFSv3 ACL
	  protocol extension and you want your NFS client to allow
	  applications to access and modify ACLs on files on the server.

	  Most NFS servers don't support the Solaris NFSv3 ACL protocol

Annotation

Implementation Notes