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| author | Bryan Schumaker <bjschuma@netapp.com> | 2012-05-10 16:47:19 -0400 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2012-05-14 17:42:22 -0700 |
| commit | 2ba68002a74fb167b68844077d36e5ccfc87f323 (patch) | |
| tree | 9a84b5849145275bda0ba74aa24b4354299bdf0e | |
| parent | 5e7e5a0da28216fb9d0a49e93ee27668ef4f04f7 (diff) | |
| download | lwn-2ba68002a74fb167b68844077d36e5ccfc87f323.tar.gz lwn-2ba68002a74fb167b68844077d36e5ccfc87f323.zip | |
NFS: Make v2 configurable
With this patch NFS v2 can be disabled during Kconfig. I default the
option to "y" to match the current behavior.
Signed-off-by: Bryan Schumaker <bjschuma@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| -rw-r--r-- | fs/nfs/Kconfig | 10 | ||||
| -rw-r--r-- | fs/nfs/Makefile | 5 | ||||
| -rw-r--r-- | fs/nfs/client.c | 16 |
3 files changed, 27 insertions, 4 deletions
diff --git a/fs/nfs/Kconfig b/fs/nfs/Kconfig index 2a0e6c599147..66b0f4cb520f 100644 --- a/fs/nfs/Kconfig +++ b/fs/nfs/Kconfig @@ -29,6 +29,16 @@ config NFS_FS If unsure, say N. +config NFS_V2 + bool "NFS client support for NFS version 2" + depends on NFS_FS + default y + help + This option enables support for version 2 of the NFS protocol + (RFC 1094) in the kernel's NFS client. + + If unsure, say Y. + config NFS_V3 bool "NFS client support for NFS version 3" depends on NFS_FS diff --git a/fs/nfs/Makefile b/fs/nfs/Makefile index b58613d0abb3..7ddd45d9f170 100644 --- a/fs/nfs/Makefile +++ b/fs/nfs/Makefile @@ -4,11 +4,12 @@ obj-$(CONFIG_NFS_FS) += nfs.o -nfs-y := client.o dir.o file.o getroot.o inode.o super.o nfs2xdr.o \ - direct.o pagelist.o proc.o read.o symlink.o unlink.o \ +nfs-y := client.o dir.o file.o getroot.o inode.o super.o \ + direct.o pagelist.o read.o symlink.o unlink.o \ write.o namespace.o mount_clnt.o \ dns_resolve.o cache_lib.o nfs-$(CONFIG_ROOT_NFS) += nfsroot.o +nfs-$(CONFIG_NFS_V2) += proc.o nfs2xdr.o nfs-$(CONFIG_NFS_V3) += nfs3proc.o nfs3xdr.o nfs-$(CONFIG_NFS_V3_ACL) += nfs3acl.o nfs-$(CONFIG_NFS_V4) += nfs4proc.o nfs4xdr.o nfs4state.o nfs4renewd.o \ diff --git a/fs/nfs/client.c b/fs/nfs/client.c index a8f8de618d73..8f1c65210afb 100644 --- a/fs/nfs/client.c +++ b/fs/nfs/client.c @@ -90,7 +90,9 @@ static bool nfs4_disable_idmapping = true; * RPC cruft for NFS */ static const struct rpc_version *nfs_version[5] = { +#ifdef CONFIG_NFS_V2 [2] = &nfs_version2, +#endif #ifdef CONFIG_NFS_V3 [3] = &nfs_version3, #endif @@ -847,7 +849,7 @@ static int nfs_init_server(struct nfs_server *server, .hostname = data->nfs_server.hostname, .addr = (const struct sockaddr *)&data->nfs_server.address, .addrlen = data->nfs_server.addrlen, - .rpc_ops = &nfs_v2_clientops, + .rpc_ops = NULL, .proto = data->nfs_server.protocol, .net = data->net, }; @@ -857,10 +859,20 @@ static int nfs_init_server(struct nfs_server *server, dprintk("--> nfs_init_server()\n"); + switch (data->version) { +#ifdef CONFIG_NFS_V2 + case 2: + cl_init.rpc_ops = &nfs_v2_clientops; + break; +#endif #ifdef CONFIG_NFS_V3 - if (data->version == 3) + case 3: cl_init.rpc_ops = &nfs_v3_clientops; + break; #endif + default: + return -EPROTONOSUPPORT; + } nfs_init_timeout_values(&timeparms, data->nfs_server.protocol, data->timeo, data->retrans); |