Eric Lee / linux-smarc-t335x-v3.2

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Commit 3b9ce977b2f31b6c396b6fb620df9881a30fac9d

Authored by David Howells
1 parent c6a6f19e22
Exists in master and in 4 other branches v3.2_AM335xPSP_04.06.00.11, v3.2_NEWT335xPSP_04.06.00.11, v3.2_SBC_SMARTMEN, v3.2_SMARCT335xPSP_04.06.00.11

NFS: Permit local filesystem caching to be enabled for NFS 

Permit local filesystem caching to be enabled for NFS in the kernel
configuration.

Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: Steve Dickson <steved@redhat.com>
Acked-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Acked-by: Al Viro <viro@zeniv.linux.org.uk>
Tested-by: Daire Byrne <Daire.Byrne@framestore.com>

Showing 1 changed file with 8 additions and 0 deletions Inline Diff

1 config NFS_FS 1 config NFS_FS
2 tristate "NFS client support" 2 tristate "NFS client support"
3 depends on INET 3 depends on INET
4 select LOCKD 4 select LOCKD
5 select SUNRPC 5 select SUNRPC
6 select NFS_ACL_SUPPORT if NFS_V3_ACL 6 select NFS_ACL_SUPPORT if NFS_V3_ACL
7 help 7 help
8 Choose Y here if you want to access files residing on other 8 Choose Y here if you want to access files residing on other
9 computers using Sun's Network File System protocol. To compile 9 computers using Sun's Network File System protocol. To compile
10 this file system support as a module, choose M here: the module 10 this file system support as a module, choose M here: the module
11 will be called nfs. 11 will be called nfs.
12 12
13 To mount file systems exported by NFS servers, you also need to 13 To mount file systems exported by NFS servers, you also need to
14 install the user space mount.nfs command which can be found in 14 install the user space mount.nfs command which can be found in
15 the Linux nfs-utils package, available from http://linux-nfs.org/. 15 the Linux nfs-utils package, available from http://linux-nfs.org/.
16 Information about using the mount command is available in the 16 Information about using the mount command is available in the
17 mount(8) man page. More detail about the Linux NFS client 17 mount(8) man page. More detail about the Linux NFS client
18 implementation is available via the nfs(5) man page. 18 implementation is available via the nfs(5) man page.
19 19
20 Below you can choose which versions of the NFS protocol are 20 Below you can choose which versions of the NFS protocol are
21 available in the kernel to mount NFS servers. Support for NFS 21 available in the kernel to mount NFS servers. Support for NFS
22 version 2 (RFC 1094) is always available when NFS_FS is selected. 22 version 2 (RFC 1094) is always available when NFS_FS is selected.
23 23
24 To configure a system which mounts its root file system via NFS 24 To configure a system which mounts its root file system via NFS
25 at boot time, say Y here, select "Kernel level IP 25 at boot time, say Y here, select "Kernel level IP
26 autoconfiguration" in the NETWORK menu, and select "Root file 26 autoconfiguration" in the NETWORK menu, and select "Root file
27 system on NFS" below. You cannot compile this file system as a 27 system on NFS" below. You cannot compile this file system as a
28 module in this case. 28 module in this case.
29 29
30 If unsure, say N. 30 If unsure, say N.
31 31
32 config NFS_V3 32 config NFS_V3
33 bool "NFS client support for NFS version 3" 33 bool "NFS client support for NFS version 3"
34 depends on NFS_FS 34 depends on NFS_FS
35 help 35 help
36 This option enables support for version 3 of the NFS protocol 36 This option enables support for version 3 of the NFS protocol
37 (RFC 1813) in the kernel's NFS client. 37 (RFC 1813) in the kernel's NFS client.
38 38
39 If unsure, say Y. 39 If unsure, say Y.
40 40
41 config NFS_V3_ACL 41 config NFS_V3_ACL
42 bool "NFS client support for the NFSv3 ACL protocol extension" 42 bool "NFS client support for the NFSv3 ACL protocol extension"
43 depends on NFS_V3 43 depends on NFS_V3
44 help 44 help
45 Some NFS servers support an auxiliary NFSv3 ACL protocol that 45 Some NFS servers support an auxiliary NFSv3 ACL protocol that
46 Sun added to Solaris but never became an official part of the 46 Sun added to Solaris but never became an official part of the
47 NFS version 3 protocol. This protocol extension allows 47 NFS version 3 protocol. This protocol extension allows
48 applications on NFS clients to manipulate POSIX Access Control 48 applications on NFS clients to manipulate POSIX Access Control
49 Lists on files residing on NFS servers. NFS servers enforce 49 Lists on files residing on NFS servers. NFS servers enforce
50 ACLs on local files whether this protocol is available or not. 50 ACLs on local files whether this protocol is available or not.
51 51
52 Choose Y here if your NFS server supports the Solaris NFSv3 ACL 52 Choose Y here if your NFS server supports the Solaris NFSv3 ACL
53 protocol extension and you want your NFS client to allow 53 protocol extension and you want your NFS client to allow
54 applications to access and modify ACLs on files on the server. 54 applications to access and modify ACLs on files on the server.
55 55
56 Most NFS servers don't support the Solaris NFSv3 ACL protocol 56 Most NFS servers don't support the Solaris NFSv3 ACL protocol
57 extension. You can choose N here or specify the "noacl" mount 57 extension. You can choose N here or specify the "noacl" mount
58 option to prevent your NFS client from trying to use the NFSv3 58 option to prevent your NFS client from trying to use the NFSv3
59 ACL protocol. 59 ACL protocol.
60 60
61 If unsure, say N. 61 If unsure, say N.
62 62
63 config NFS_V4 63 config NFS_V4
64 bool "NFS client support for NFS version 4 (EXPERIMENTAL)" 64 bool "NFS client support for NFS version 4 (EXPERIMENTAL)"
65 depends on NFS_FS && EXPERIMENTAL 65 depends on NFS_FS && EXPERIMENTAL
66 select RPCSEC_GSS_KRB5 66 select RPCSEC_GSS_KRB5
67 help 67 help
68 This option enables support for version 4 of the NFS protocol 68 This option enables support for version 4 of the NFS protocol
69 (RFC 3530) in the kernel's NFS client. 69 (RFC 3530) in the kernel's NFS client.
70 70
71 To mount NFS servers using NFSv4, you also need to install user 71 To mount NFS servers using NFSv4, you also need to install user
72 space programs which can be found in the Linux nfs-utils package, 72 space programs which can be found in the Linux nfs-utils package,
73 available from http://linux-nfs.org/. 73 available from http://linux-nfs.org/.
74 74
75 If unsure, say N. 75 If unsure, say N.
76 76
77 config ROOT_NFS 77 config ROOT_NFS
78 bool "Root file system on NFS" 78 bool "Root file system on NFS"
79 depends on NFS_FS=y && IP_PNP 79 depends on NFS_FS=y && IP_PNP
80 help 80 help
81 If you want your system to mount its root file system via NFS, 81 If you want your system to mount its root file system via NFS,
82 choose Y here. This is common practice for managing systems 82 choose Y here. This is common practice for managing systems
83 without local permanent storage. For details, read 83 without local permanent storage. For details, read
84 <file:Documentation/filesystems/nfsroot.txt>. 84 <file:Documentation/filesystems/nfsroot.txt>.
85 85
86 Most people say N here. 86 Most people say N here.
87
88 config NFS_FSCACHE
89 bool "Provide NFS client caching support (EXPERIMENTAL)"
90 depends on EXPERIMENTAL
91 depends on NFS_FS=m && FSCACHE || NFS_FS=y && FSCACHE=y
92 help
93 Say Y here if you want NFS data to be cached locally on disc through
94 the general filesystem cache manager
87 95