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| author | Mike Sager <sager@netapp.com> | 2009-04-01 15:21:48 +0200 |
|---|---|---|
| committer | Benny Halevy <bhalevy@panasas.com> | 2009-06-17 19:46:15 +0200 |
| commit | 3fd5be9e19921a89d9ed78d6a708a379a6c3c76a (patch) | |
| tree | 0eb6e104ef3f9e83b3cbc96fe941cd51e4fa2e9e /fs/nfs | |
| parent | nfs41: define NFS4_MAX_MINOR_VERSION based on CONFIG_NFS_V4_1 (diff) | |
| download | linux-3fd5be9e19921a89d9ed78d6a708a379a6c3c76a.tar.xz linux-3fd5be9e19921a89d9ed78d6a708a379a6c3c76a.zip | |
nfs41: add mount command option minorversion
mount -t nfs4 -o minorversion=[0|1] specifies whether to use 4.0 or 4.1.
By default, the minorversion is set to 0.
Signed-off-by: Mike Sager <sager@netapp.com>
[set default minorversion to 0 as per Trond and SteveD's request]
Signed-off-by: Benny Halevy <bhalevy@panasas.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs/nfs')
| -rw-r--r-- | fs/nfs/internal.h | 1 | ||||
| -rw-r--r-- | fs/nfs/super.c | 10 |
2 files changed, 11 insertions, 0 deletions
diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h index e4d6a8348adf..ffa6bd54d439 100644 --- a/fs/nfs/internal.h +++ b/fs/nfs/internal.h @@ -44,6 +44,7 @@ struct nfs_parsed_mount_data { unsigned int auth_flavor_len; rpc_authflavor_t auth_flavors[1]; char *client_address; + unsigned int minorversion; char *fscache_uniq; struct { diff --git a/fs/nfs/super.c b/fs/nfs/super.c index d2d67781c579..5a8fdc791cc1 100644 --- a/fs/nfs/super.c +++ b/fs/nfs/super.c @@ -90,6 +90,7 @@ enum { Opt_mountport, Opt_mountvers, Opt_nfsvers, + Opt_minorversion, /* Mount options that take string arguments */ Opt_sec, Opt_proto, Opt_mountproto, Opt_mounthost, @@ -155,6 +156,7 @@ static const match_table_t nfs_mount_option_tokens = { { Opt_mountvers, "mountvers=%u" }, { Opt_nfsvers, "nfsvers=%u" }, { Opt_nfsvers, "vers=%u" }, + { Opt_minorversion, "minorversion=%u" }, { Opt_sec, "sec=%s" }, { Opt_proto, "proto=%s" }, @@ -1211,6 +1213,13 @@ static int nfs_parse_mount_options(char *raw, nfs_parse_invalid_value("nfsvers"); } break; + case Opt_minorversion: + if (match_int(args, &option)) + return 0; + if (option < 0 || option > NFS4_MAX_MINOR_VERSION) + return 0; + mnt->minorversion = option; + break; /* * options that take text values @@ -2261,6 +2270,7 @@ static int nfs4_validate_mount_data(void *options, args->nfs_server.port = NFS_PORT; /* 2049 unless user set port= */ args->auth_flavors[0] = RPC_AUTH_UNIX; args->auth_flavor_len = 0; + args->minorversion = 0; switch (data->version) { case 1: |