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0cfcd405e7
NFS_FS=y as dependency of CONFIG_NFSD_V4_2_INTER_SSC still have
build errors and some configs with NFSD=m to get NFS4ERR_STALE
error when doing inter server copy.
Added ops table in nfs_common for knfsd to access NFS client modules.
Fixes: 3ac3711adb ("NFSD: Fix NFS server build errors")
Signed-off-by: Dai Ngo <dai.ngo@oracle.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
159 lines
5.2 KiB
Plaintext
159 lines
5.2 KiB
Plaintext
# SPDX-License-Identifier: GPL-2.0-only
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config NFSD
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tristate "NFS server support"
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depends on INET
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depends on FILE_LOCKING
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depends on FSNOTIFY
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select LOCKD
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select SUNRPC
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select EXPORTFS
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select NFS_ACL_SUPPORT if NFSD_V2_ACL
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depends on MULTIUSER
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help
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Choose Y here if you want to allow other computers to access
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files residing on this system using Sun's Network File System
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protocol. To compile the NFS server support as a module,
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choose M here: the module will be called nfsd.
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You may choose to use a user-space NFS server instead, in which
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case you can choose N here.
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To export local file systems using NFS, you also need to install
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user space programs which can be found in the Linux nfs-utils
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package, available from http://linux-nfs.org/. More detail about
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the Linux NFS server implementation is available via the
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exports(5) man page.
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Below you can choose which versions of the NFS protocol are
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available to clients mounting the NFS server on this system.
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Support for NFS version 2 (RFC 1094) is always available when
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CONFIG_NFSD is selected.
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If unsure, say N.
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config NFSD_V2_ACL
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bool
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depends on NFSD
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config NFSD_V3
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bool "NFS server support for NFS version 3"
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depends on NFSD
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help
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This option enables support in your system's NFS server for
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version 3 of the NFS protocol (RFC 1813).
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If unsure, say Y.
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config NFSD_V3_ACL
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bool "NFS server support for the NFSv3 ACL protocol extension"
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depends on NFSD_V3
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select NFSD_V2_ACL
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help
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Solaris NFS servers support an auxiliary NFSv3 ACL protocol that
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never became an official part of the NFS version 3 protocol.
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This protocol extension allows applications on NFS clients to
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manipulate POSIX Access Control Lists on files residing on NFS
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servers. NFS servers enforce POSIX ACLs on local files whether
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this protocol is available or not.
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This option enables support in your system's NFS server for the
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NFSv3 ACL protocol extension allowing NFS clients to manipulate
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POSIX ACLs on files exported by your system's NFS server. NFS
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clients which support the Solaris NFSv3 ACL protocol can then
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access and modify ACLs on your NFS server.
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To store ACLs on your NFS server, you also need to enable ACL-
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related CONFIG options for your local file systems of choice.
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If unsure, say N.
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config NFSD_V4
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bool "NFS server support for NFS version 4"
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depends on NFSD && PROC_FS
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select NFSD_V3
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select FS_POSIX_ACL
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select SUNRPC_GSS
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select CRYPTO_MD5
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select CRYPTO_SHA256
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select GRACE_PERIOD
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help
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This option enables support in your system's NFS server for
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version 4 of the NFS protocol (RFC 3530).
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To export files using NFSv4, you need to install additional user
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space programs which can be found in the Linux nfs-utils package,
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available from http://linux-nfs.org/.
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If unsure, say N.
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config NFSD_PNFS
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bool
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config NFSD_BLOCKLAYOUT
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bool "NFSv4.1 server support for pNFS block layouts"
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depends on NFSD_V4 && BLOCK
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select NFSD_PNFS
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select EXPORTFS_BLOCK_OPS
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help
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This option enables support for the exporting pNFS block layouts
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in the kernel's NFS server. The pNFS block layout enables NFS
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clients to directly perform I/O to block devices accesible to both
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the server and the clients. See RFC 5663 for more details.
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If unsure, say N.
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config NFSD_SCSILAYOUT
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bool "NFSv4.1 server support for pNFS SCSI layouts"
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depends on NFSD_V4 && BLOCK
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select NFSD_PNFS
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select EXPORTFS_BLOCK_OPS
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select BLK_SCSI_REQUEST
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help
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This option enables support for the exporting pNFS SCSI layouts
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in the kernel's NFS server. The pNFS SCSI layout enables NFS
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clients to directly perform I/O to SCSI devices accesible to both
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the server and the clients. See draft-ietf-nfsv4-scsi-layout for
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more details.
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If unsure, say N.
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config NFSD_FLEXFILELAYOUT
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bool "NFSv4.1 server support for pNFS Flex File layouts"
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depends on NFSD_V4
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select NFSD_PNFS
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help
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This option enables support for the exporting pNFS Flex File
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layouts in the kernel's NFS server. The pNFS Flex File layout
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enables NFS clients to directly perform I/O to NFSv3 devices
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accesible to both the server and the clients. See
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draft-ietf-nfsv4-flex-files for more details.
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Warning, this server implements the bare minimum functionality
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to be a flex file server - it is for testing the client,
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not for use in production.
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If unsure, say N.
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config NFSD_V4_2_INTER_SSC
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bool "NFSv4.2 inter server to server COPY"
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depends on NFSD_V4 && NFS_V4_1 && NFS_V4_2
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help
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This option enables support for NFSv4.2 inter server to
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server copy where the destination server calls the NFSv4.2
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client to read the data to copy from the source server.
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If unsure, say N.
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config NFSD_V4_SECURITY_LABEL
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bool "Provide Security Label support for NFSv4 server"
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depends on NFSD_V4 && SECURITY
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help
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Say Y here if you want enable fine-grained security label attribute
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support for NFS version 4. Security labels allow security modules like
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SELinux and Smack to label files to facilitate enforcement of their policies.
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Without this an NFSv4 mount will have the same label on each file.
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If you do not wish to enable fine-grained security labels SELinux or
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Smack policies on NFSv4 files, say N.
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