1e2b329e2SAlexey Dobriyanconfig NFSD 2e2b329e2SAlexey Dobriyan tristate "NFS server support" 3e2b329e2SAlexey Dobriyan depends on INET 468666561SManish Katiyar depends on FILE_LOCKING 5e2b329e2SAlexey Dobriyan select LOCKD 6e2b329e2SAlexey Dobriyan select SUNRPC 7e2b329e2SAlexey Dobriyan select EXPORTFS 8e2b329e2SAlexey Dobriyan select NFS_ACL_SUPPORT if NFSD_V2_ACL 92813893fSIulia Manda depends on MULTIUSER 10e2b329e2SAlexey Dobriyan help 11e2b329e2SAlexey Dobriyan Choose Y here if you want to allow other computers to access 12e2b329e2SAlexey Dobriyan files residing on this system using Sun's Network File System 13e2b329e2SAlexey Dobriyan protocol. To compile the NFS server support as a module, 14e2b329e2SAlexey Dobriyan choose M here: the module will be called nfsd. 15e2b329e2SAlexey Dobriyan 16e2b329e2SAlexey Dobriyan You may choose to use a user-space NFS server instead, in which 17e2b329e2SAlexey Dobriyan case you can choose N here. 18e2b329e2SAlexey Dobriyan 19e2b329e2SAlexey Dobriyan To export local file systems using NFS, you also need to install 20e2b329e2SAlexey Dobriyan user space programs which can be found in the Linux nfs-utils 21e2b329e2SAlexey Dobriyan package, available from http://linux-nfs.org/. More detail about 22e2b329e2SAlexey Dobriyan the Linux NFS server implementation is available via the 23e2b329e2SAlexey Dobriyan exports(5) man page. 24e2b329e2SAlexey Dobriyan 25e2b329e2SAlexey Dobriyan Below you can choose which versions of the NFS protocol are 26e2b329e2SAlexey Dobriyan available to clients mounting the NFS server on this system. 27e2b329e2SAlexey Dobriyan Support for NFS version 2 (RFC 1094) is always available when 28e2b329e2SAlexey Dobriyan CONFIG_NFSD is selected. 29e2b329e2SAlexey Dobriyan 30e2b329e2SAlexey Dobriyan If unsure, say N. 31e2b329e2SAlexey Dobriyan 32e2b329e2SAlexey Dobriyanconfig NFSD_V2_ACL 33e2b329e2SAlexey Dobriyan bool 34e2b329e2SAlexey Dobriyan depends on NFSD 35e2b329e2SAlexey Dobriyan 36e2b329e2SAlexey Dobriyanconfig NFSD_V3 37e2b329e2SAlexey Dobriyan bool "NFS server support for NFS version 3" 38e2b329e2SAlexey Dobriyan depends on NFSD 39e2b329e2SAlexey Dobriyan help 40e2b329e2SAlexey Dobriyan This option enables support in your system's NFS server for 41e2b329e2SAlexey Dobriyan version 3 of the NFS protocol (RFC 1813). 42e2b329e2SAlexey Dobriyan 43e2b329e2SAlexey Dobriyan If unsure, say Y. 44e2b329e2SAlexey Dobriyan 45e2b329e2SAlexey Dobriyanconfig NFSD_V3_ACL 46e2b329e2SAlexey Dobriyan bool "NFS server support for the NFSv3 ACL protocol extension" 47e2b329e2SAlexey Dobriyan depends on NFSD_V3 48e2b329e2SAlexey Dobriyan select NFSD_V2_ACL 49e2b329e2SAlexey Dobriyan help 50e2b329e2SAlexey Dobriyan Solaris NFS servers support an auxiliary NFSv3 ACL protocol that 51e2b329e2SAlexey Dobriyan never became an official part of the NFS version 3 protocol. 52e2b329e2SAlexey Dobriyan This protocol extension allows applications on NFS clients to 53e2b329e2SAlexey Dobriyan manipulate POSIX Access Control Lists on files residing on NFS 54e2b329e2SAlexey Dobriyan servers. NFS servers enforce POSIX ACLs on local files whether 55e2b329e2SAlexey Dobriyan this protocol is available or not. 56e2b329e2SAlexey Dobriyan 57e2b329e2SAlexey Dobriyan This option enables support in your system's NFS server for the 58e2b329e2SAlexey Dobriyan NFSv3 ACL protocol extension allowing NFS clients to manipulate 59e2b329e2SAlexey Dobriyan POSIX ACLs on files exported by your system's NFS server. NFS 60e2b329e2SAlexey Dobriyan clients which support the Solaris NFSv3 ACL protocol can then 61e2b329e2SAlexey Dobriyan access and modify ACLs on your NFS server. 62e2b329e2SAlexey Dobriyan 63e2b329e2SAlexey Dobriyan To store ACLs on your NFS server, you also need to enable ACL- 64e2b329e2SAlexey Dobriyan related CONFIG options for your local file systems of choice. 65e2b329e2SAlexey Dobriyan 66e2b329e2SAlexey Dobriyan If unsure, say N. 67e2b329e2SAlexey Dobriyan 68e2b329e2SAlexey Dobriyanconfig NFSD_V4 69f987c902SKees Cook bool "NFS server support for NFS version 4" 70f987c902SKees Cook depends on NFSD && PROC_FS 71e2b329e2SAlexey Dobriyan select NFSD_V3 72e2b329e2SAlexey Dobriyan select FS_POSIX_ACL 73827e3457STrond Myklebust select SUNRPC_GSS 74be1f4084SRandy Dunlap select CRYPTO 75f7790029SJeff Layton select GRACE_PERIOD 76e2b329e2SAlexey Dobriyan help 77e2b329e2SAlexey Dobriyan This option enables support in your system's NFS server for 78e2b329e2SAlexey Dobriyan version 4 of the NFS protocol (RFC 3530). 79e2b329e2SAlexey Dobriyan 80e2b329e2SAlexey Dobriyan To export files using NFSv4, you need to install additional user 81e2b329e2SAlexey Dobriyan space programs which can be found in the Linux nfs-utils package, 82e2b329e2SAlexey Dobriyan available from http://linux-nfs.org/. 83e2b329e2SAlexey Dobriyan 84e2b329e2SAlexey Dobriyan If unsure, say N. 8565178db4SBryan Schumaker 869cf514ccSChristoph Hellwigconfig NFSD_PNFS 8781c39329SChristoph Hellwig bool 8881c39329SChristoph Hellwig 8981c39329SChristoph Hellwigconfig NFSD_BLOCKLAYOUT 9081c39329SChristoph Hellwig bool "NFSv4.1 server support for pNFS block layouts" 919cf514ccSChristoph Hellwig depends on NFSD_V4 9281c39329SChristoph Hellwig select NFSD_PNFS 939cf514ccSChristoph Hellwig help 9481c39329SChristoph Hellwig This option enables support for the exporting pNFS block layouts 9581c39329SChristoph Hellwig in the kernel's NFS server. The pNFS block layout enables NFS 9681c39329SChristoph Hellwig clients to directly perform I/O to block devices accesible to both 9781c39329SChristoph Hellwig the server and the clients. See RFC 5663 for more details. 989cf514ccSChristoph Hellwig 999cf514ccSChristoph Hellwig If unsure, say N. 1009cf514ccSChristoph Hellwig 101*f99d4fbdSChristoph Hellwigconfig NFSD_SCSILAYOUT 102*f99d4fbdSChristoph Hellwig bool "NFSv4.1 server support for pNFS SCSI layouts" 103*f99d4fbdSChristoph Hellwig depends on NFSD_V4 104*f99d4fbdSChristoph Hellwig select NFSD_PNFS 105*f99d4fbdSChristoph Hellwig help 106*f99d4fbdSChristoph Hellwig This option enables support for the exporting pNFS SCSI layouts 107*f99d4fbdSChristoph Hellwig in the kernel's NFS server. The pNFS SCSI layout enables NFS 108*f99d4fbdSChristoph Hellwig clients to directly perform I/O to SCSI devices accesible to both 109*f99d4fbdSChristoph Hellwig the server and the clients. See draft-ietf-nfsv4-scsi-layout for 110*f99d4fbdSChristoph Hellwig more details. 111*f99d4fbdSChristoph Hellwig 112*f99d4fbdSChristoph Hellwig If unsure, say N. 113*f99d4fbdSChristoph Hellwig 11418032ca0SDavid Quigleyconfig NFSD_V4_SECURITY_LABEL 11518032ca0SDavid Quigley bool "Provide Security Label support for NFSv4 server" 11618032ca0SDavid Quigley depends on NFSD_V4 && SECURITY 11718032ca0SDavid Quigley help 11818032ca0SDavid Quigley 11918032ca0SDavid Quigley Say Y here if you want enable fine-grained security label attribute 12018032ca0SDavid Quigley support for NFS version 4. Security labels allow security modules like 12118032ca0SDavid Quigley SELinux and Smack to label files to facilitate enforcement of their policies. 12218032ca0SDavid Quigley Without this an NFSv4 mount will have the same label on each file. 12318032ca0SDavid Quigley 12418032ca0SDavid Quigley If you do not wish to enable fine-grained security labels SELinux or 12518032ca0SDavid Quigley Smack policies on NFSv4 files, say N. 12618032ca0SDavid Quigley 12765178db4SBryan Schumakerconfig NFSD_FAULT_INJECTION 12865178db4SBryan Schumaker bool "NFS server manual fault injection" 129629b8729SChengyu Song depends on NFSD_V4 && DEBUG_KERNEL && DEBUG_FS 13065178db4SBryan Schumaker help 13165178db4SBryan Schumaker This option enables support for manually injecting faults 13265178db4SBryan Schumaker into the NFS server. This is intended to be used for 13365178db4SBryan Schumaker testing error recovery on the NFS client. 13465178db4SBryan Schumaker 13565178db4SBryan Schumaker If unsure, say N. 136