Re: [PATCH] mount.nfs: Teach mount.nfs about the mountversion option

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On 07/06/2015 11:19 AM, Trond Myklebust wrote:
> On Mon, Jul 6, 2015 at 10:42 AM, Steve Dickson <steved@xxxxxxxxxx> wrote:
>> When the mountversion option is used, there should
>> not be any mount negotiations with the server.
>>
>> Also, when the option is used, its know that the mount
>> is a v4 mount and a V_SPECFIC type.
>>
>> Signed-off-by: Steve Dickson <steved@xxxxxxxxxx>
>> ---
>>  utils/mount/network.c | 7 ++++++-
>>  1 file changed, 6 insertions(+), 1 deletion(-)
>>
>> diff --git a/utils/mount/network.c b/utils/mount/network.c
>> index b5ed850..ebc39d3 100644
>> --- a/utils/mount/network.c
>> +++ b/utils/mount/network.c
>> @@ -92,6 +92,7 @@ static const char *nfs_version_opttbl[] = {
>>         "v4",
>>         "vers",
>>         "nfsvers",
>> +       "minorversion",
>>         NULL,
>>  };
>>
>> @@ -1272,7 +1273,11 @@ nfs_nfs_version(struct mount_options *options, struct nfs_version *version)
>>         if (!(version->major = strtol(version_val, &cptr, 10)))
>>                 goto ret_error;
>>
>> -       if (version->major < 4)
>> +       if (strcmp(nfs_version_opttbl[i], "minorversion") == 0) {
>> +               version->v_mode = V_SPECIFIC;
>> +               version->minor = version->major;
>> +               version->major = 4;
>> +       } else if (version->major < 4)
>>                 version->v_mode = V_SPECIFIC;
>>
>>         if (*cptr == '.') {
>>
> 
> Doesn't this cause a dependency on the ordering of 'nfsvers'/'vers'
> and 'minorversion' in your mount options string?
I don't think so... The only combination that does not work
is -o nfsvers=3,minorversion=1 which should fail... 

What am I missing?

steved.

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