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Linux/fs/nfsd/Kconfig

  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         depends on MULTIUSER
 10         help
 11           Choose Y here if you want to allow other computers to access
 12           files residing on this system using Sun's Network File System
 13           protocol.  To compile the NFS server support as a module,
 14           choose M here: the module will be called nfsd.
 15 
 16           You may choose to use a user-space NFS server instead, in which
 17           case you can choose N here.
 18 
 19           To export local file systems using NFS, you also need to install
 20           user space programs which can be found in the Linux nfs-utils
 21           package, available from http://linux-nfs.org/.  More detail about
 22           the Linux NFS server implementation is available via the
 23           exports(5) man page.
 24 
 25           Below you can choose which versions of the NFS protocol are
 26           available to clients mounting the NFS server on this system.
 27           Support for NFS version 2 (RFC 1094) is always available when
 28           CONFIG_NFSD is selected.
 29 
 30           If unsure, say N.
 31 
 32 config NFSD_V2_ACL
 33         bool
 34         depends on NFSD
 35 
 36 config NFSD_V3
 37         bool "NFS server support for NFS version 3"
 38         depends on NFSD
 39         help
 40           This option enables support in your system's NFS server for
 41           version 3 of the NFS protocol (RFC 1813).
 42 
 43           If unsure, say Y.
 44 
 45 config NFSD_V3_ACL
 46         bool "NFS server support for the NFSv3 ACL protocol extension"
 47         depends on NFSD_V3
 48         select NFSD_V2_ACL
 49         help
 50           Solaris NFS servers support an auxiliary NFSv3 ACL protocol that
 51           never became an official part of the NFS version 3 protocol.
 52           This protocol extension allows applications on NFS clients to
 53           manipulate POSIX Access Control Lists on files residing on NFS
 54           servers.  NFS servers enforce POSIX ACLs on local files whether
 55           this protocol is available or not.
 56 
 57           This option enables support in your system's NFS server for the
 58           NFSv3 ACL protocol extension allowing NFS clients to manipulate
 59           POSIX ACLs on files exported by your system's NFS server.  NFS
 60           clients which support the Solaris NFSv3 ACL protocol can then
 61           access and modify ACLs on your NFS server.
 62 
 63           To store ACLs on your NFS server, you also need to enable ACL-
 64           related CONFIG options for your local file systems of choice.
 65 
 66           If unsure, say N.
 67 
 68 config NFSD_V4
 69         bool "NFS server support for NFS version 4"
 70         depends on NFSD && PROC_FS
 71         select NFSD_V3
 72         select FS_POSIX_ACL
 73         select SUNRPC_GSS
 74         select CRYPTO
 75         select GRACE_PERIOD
 76         help
 77           This option enables support in your system's NFS server for
 78           version 4 of the NFS protocol (RFC 3530).
 79 
 80           To export files using NFSv4, you need to install additional user
 81           space programs which can be found in the Linux nfs-utils package,
 82           available from http://linux-nfs.org/.
 83 
 84           If unsure, say N.
 85 
 86 config NFSD_PNFS
 87         bool
 88 
 89 config NFSD_BLOCKLAYOUT
 90         bool "NFSv4.1 server support for pNFS block layouts"
 91         depends on NFSD_V4 && BLOCK
 92         select NFSD_PNFS
 93         select EXPORTFS_BLOCK_OPS
 94         help
 95           This option enables support for the exporting pNFS block layouts
 96           in the kernel's NFS server. The pNFS block layout enables NFS
 97           clients to directly perform I/O to block devices accesible to both
 98           the server and the clients.  See RFC 5663 for more details.
 99 
100           If unsure, say N.
101 
102 config NFSD_SCSILAYOUT
103         bool "NFSv4.1 server support for pNFS SCSI layouts"
104         depends on NFSD_V4 && BLOCK
105         select NFSD_PNFS
106         select EXPORTFS_BLOCK_OPS
107         help
108           This option enables support for the exporting pNFS SCSI layouts
109           in the kernel's NFS server. The pNFS SCSI layout enables NFS
110           clients to directly perform I/O to SCSI devices accesible to both
111           the server and the clients.  See draft-ietf-nfsv4-scsi-layout for
112           more details.
113 
114           If unsure, say N.
115 
116 config NFSD_FLEXFILELAYOUT
117         bool "NFSv4.1 server support for pNFS Flex File layouts"
118         depends on NFSD_V4
119         select NFSD_PNFS
120         help
121           This option enables support for the exporting pNFS Flex File
122           layouts in the kernel's NFS server. The pNFS Flex File  layout
123           enables NFS clients to directly perform I/O to NFSv3 devices
124           accesible to both the server and the clients.  See
125           draft-ietf-nfsv4-flex-files for more details.
126 
127           Warning, this server implements the bare minimum functionality
128           to be a flex file server - it is for testing the client,
129           not for use in production.
130 
131           If unsure, say N.
132 
133 config NFSD_V4_SECURITY_LABEL
134         bool "Provide Security Label support for NFSv4 server"
135         depends on NFSD_V4 && SECURITY
136         help
137 
138         Say Y here if you want enable fine-grained security label attribute
139         support for NFS version 4.  Security labels allow security modules like
140         SELinux and Smack to label files to facilitate enforcement of their policies.
141         Without this an NFSv4 mount will have the same label on each file.
142 
143         If you do not wish to enable fine-grained security labels SELinux or
144         Smack policies on NFSv4 files, say N.
145 
146 config NFSD_FAULT_INJECTION
147         bool "NFS server manual fault injection"
148         depends on NFSD_V4 && DEBUG_KERNEL && DEBUG_FS
149         help
150           This option enables support for manually injecting faults
151           into the NFS server.  This is intended to be used for
152           testing error recovery on the NFS client.
153 
154           If unsure, say N.

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