Re: [PATCH 2/2] NFS: add mount option 'v4.1'

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On Feb 1, 2012, at 2:46 PM, Myklebust, Trond wrote:

> On Wed, 2012-02-01 at 14:17 -0500, Chuck Lever wrote:
>> Hi-
>> 
>> I think we should co-ordinate with Solaris on this administrative interface.  Can we discuss in Santa Clara?
> 
> Unless they have a strong argument for why this is a bad idea, I plan on
> just adding this to 3.4. There is no point in foot-dragging on this any
> more.

No foot dragging.  We just ask at the next convenient opportunity.  I think they want to go with vers=41.

> 
> Trond
> 
>> On Feb 1, 2012, at 2:00 PM, Weston Andros Adamson wrote:
>> 
>>> 
>>> Signed-off-by: Weston Andros Adamson <dros@xxxxxxxxxx>
>>> ---
>>> I was already messing around with mountoptions and figured "why not".
>>> It's been joked (?) that 4.1 really should have been NFSv5! 
>>> 
>>> fs/nfs/super.c |    8 +++++++-
>>> 1 files changed, 7 insertions(+), 1 deletions(-)
>>> 
>>> diff --git a/fs/nfs/super.c b/fs/nfs/super.c
>>> index 50baca1..801b060 100644
>>> --- a/fs/nfs/super.c
>>> +++ b/fs/nfs/super.c
>>> @@ -80,7 +80,7 @@ enum {
>>> 	Opt_cto, Opt_nocto,
>>> 	Opt_ac, Opt_noac,
>>> 	Opt_lock, Opt_nolock,
>>> -	Opt_v2, Opt_v3, Opt_v4,
>>> +	Opt_v2, Opt_v3, Opt_v4, Opt_v4_1,
>>> 	Opt_udp, Opt_tcp, Opt_rdma,
>>> 	Opt_acl, Opt_noacl,
>>> 	Opt_rdirplus, Opt_nordirplus,
>>> @@ -136,6 +136,7 @@ static const match_table_t nfs_mount_option_tokens = {
>>> 	{ Opt_v2, "v2" },
>>> 	{ Opt_v3, "v3" },
>>> 	{ Opt_v4, "v4" },
>>> +	{ Opt_v4_1, "v4.1" },
>>> 	{ Opt_udp, "udp" },
>>> 	{ Opt_tcp, "tcp" },
>>> 	{ Opt_rdma, "rdma" },
>>> @@ -1172,6 +1173,11 @@ static int nfs_parse_mount_options(char *raw,
>>> 			mnt->flags &= ~NFS_MOUNT_VER3;
>>> 			mnt->version = 4;
>>> 			break;
>>> +		case Opt_v4_1:
>>> +			mnt->flags &= ~NFS_MOUNT_VER3;
>>> +			mnt->version = 4;
>>> +			mnt->minorversion = 1;
>>> +			break;
>>> 		case Opt_udp:
>>> 			mnt->flags &= ~NFS_MOUNT_TCP;
>>> 			mnt->nfs_server.protocol = XPRT_TRANSPORT_UDP;
>>> -- 
>>> 1.7.4.4
>>> 
>>> --
>>> To unsubscribe from this list: send the line "unsubscribe linux-nfs" in
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>> 
> 
> -- 
> Trond Myklebust
> Linux NFS client maintainer
> 
> NetApp
> Trond.Myklebust@xxxxxxxxxx
> www.netapp.com
> 

-- 
Chuck Lever
chuck[dot]lever[at]oracle[dot]com




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