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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>
This commit is contained in:
Mike Sager 2009-04-01 09:21:48 -04:00 committed by Benny Halevy
parent 44549dff82
commit 3fd5be9e19
2 changed files with 11 additions and 0 deletions
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1
fs/nfs/internal.h
View File

@ -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 {

10
fs/nfs/super.c
View File

@ -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: