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  1 config NFSD
  2         tristate "NFS server support"
  3         depends on INET
  4         depends on FILE_LOCKING
  5         select LOCKD
  6         select SUNRPC
  7         select EXPORTFS
  8         select NFS_ACL_SUPPORT if NFSD_V2_ACL
  9         help
 10           Choose Y here if you want to allow other computers to access
 11           files residing on this system using Sun's Network File System
 12           protocol.  To compile the NFS server support as a module,
 13           choose M here: the module will be called nfsd.
 15           You may choose to use a user-space NFS server instead, in which
 16           case you can choose N here.
 18           To export local file systems using NFS, you also need to install
 19           user space programs which can be found in the Linux nfs-utils
 20           package, available from  More detail about
 21           the Linux NFS server implementation is available via the
 22           exports(5) man page.
 24           Below you can choose which versions of the NFS protocol are
 25           available to clients mounting the NFS server on this system.
 26           Support for NFS version 2 (RFC 1094) is always available when
 27           CONFIG_NFSD is selected.
 29           If unsure, say N.
 31 config NFSD_V2_ACL
 32         bool
 33         depends on NFSD
 35 config NFSD_V3
 36         bool "NFS server support for NFS version 3"
 37         depends on NFSD
 38         help
 39           This option enables support in your system's NFS server for
 40           version 3 of the NFS protocol (RFC 1813).
 42           If unsure, say Y.
 44 config NFSD_V3_ACL
 45         bool "NFS server support for the NFSv3 ACL protocol extension"
 46         depends on NFSD_V3
 47         select NFSD_V2_ACL
 48         help
 49           Solaris NFS servers support an auxiliary NFSv3 ACL protocol that
 50           never became an official part of the NFS version 3 protocol.
 51           This protocol extension allows applications on NFS clients to
 52           manipulate POSIX Access Control Lists on files residing on NFS
 53           servers.  NFS servers enforce POSIX ACLs on local files whether
 54           this protocol is available or not.
 56           This option enables support in your system's NFS server for the
 57           NFSv3 ACL protocol extension allowing NFS clients to manipulate
 58           POSIX ACLs on files exported by your system's NFS server.  NFS
 59           clients which support the Solaris NFSv3 ACL protocol can then
 60           access and modify ACLs on your NFS server.
 62           To store ACLs on your NFS server, you also need to enable ACL-
 63           related CONFIG options for your local file systems of choice.
 65           If unsure, say N.
 67 config NFSD_V4
 68         bool "NFS server support for NFS version 4"
 69         depends on NFSD && PROC_FS
 70         select NFSD_V3
 71         select FS_POSIX_ACL
 72         select SUNRPC_GSS
 73         select CRYPTO
 74         help
 75           This option enables support in your system's NFS server for
 76           version 4 of the NFS protocol (RFC 3530).
 78           To export files using NFSv4, you need to install additional user
 79           space programs which can be found in the Linux nfs-utils package,
 80           available from
 82           If unsure, say N.
 85         bool "Provide Security Label support for NFSv4 server"
 86         depends on NFSD_V4 && SECURITY
 87         help
 89         Say Y here if you want enable fine-grained security label attribute
 90         support for NFS version 4.  Security labels allow security modules like
 91         SELinux and Smack to label files to facilitate enforcement of their policies.
 92         Without this an NFSv4 mount will have the same label on each file.
 94         If you do not wish to enable fine-grained security labels SELinux or
 95         Smack policies on NFSv4 files, say N.
 97         WARNING: there is still a chance of backwards-incompatible protocol changes.
 98         For now we recommend "Y" only for developers and testers.
101         bool "NFS server manual fault injection"
102         depends on NFSD_V4 && DEBUG_KERNEL
103         help
104           This option enables support for manually injecting faults
105           into the NFS server.  This is intended to be used for
106           testing error recovery on the NFS client.
108           If unsure, say N.

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