2016-06-13 17:57:51

by Mkrtchyan, Tigran

[permalink] [raw]
Subject: [PATCH v2] nfs4: clnt: respect noresvport when establishing connections to DSes

result:

$ mount -o vers=4.1 dcache-lab007:/ /pnfs
$ cp /etc/profile /pnfs
tcp 0 0 131.169.185.68:1005 131.169.191.141:32049 ESTABLISHED
tcp 0 0 131.169.185.68:751 131.169.191.144:2049 ESTABLISHED
$

$ mount -o vers=4.1,noresvport dcache-lab007:/ /pnfs
$ cp /etc/profile /pnfs
tcp 0 0 131.169.185.68:34894 131.169.191.141:32049 ESTABLISHED
tcp 0 0 131.169.185.68:35722 131.169.191.144:2049 ESTABLISHED
$

Signed-off-by: Tigran Mkrtchyan <[email protected]>
---
fs/nfs/internal.h | 2 +-
fs/nfs/nfs4client.c | 9 ++++++---
fs/nfs/pnfs_nfs.c | 2 +-
3 files changed, 8 insertions(+), 5 deletions(-)

diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h
index 5154fa6..67b9345 100644
--- a/fs/nfs/internal.h
+++ b/fs/nfs/internal.h
@@ -184,7 +184,7 @@ extern struct nfs_server *nfs_clone_server(struct nfs_server *,
rpc_authflavor_t);
extern int nfs_wait_client_init_complete(const struct nfs_client *clp);
extern void nfs_mark_client_ready(struct nfs_client *clp, int state);
-extern struct nfs_client *nfs4_set_ds_client(struct nfs_client* mds_clp,
+extern struct nfs_client *nfs4_set_ds_client(struct nfs_server *mds_srv,
const struct sockaddr *ds_addr,
int ds_addrlen, int ds_proto,
unsigned int ds_timeo,
diff --git a/fs/nfs/nfs4client.c b/fs/nfs/nfs4client.c
index 10410e8..1d36e7f 100644
--- a/fs/nfs/nfs4client.c
+++ b/fs/nfs/nfs4client.c
@@ -842,7 +842,7 @@ error:
* low timeout interval so that if a connection is lost, we retry through
* the MDS.
*/
-struct nfs_client *nfs4_set_ds_client(struct nfs_client* mds_clp,
+struct nfs_client *nfs4_set_ds_client(struct nfs_server *mds_srv,
const struct sockaddr *ds_addr, int ds_addrlen,
int ds_proto, unsigned int ds_timeo, unsigned int ds_retrans,
u32 minor_version, rpc_authflavor_t au_flavor)
@@ -853,7 +853,7 @@ struct nfs_client *nfs4_set_ds_client(struct nfs_client* mds_clp,
.nfs_mod = &nfs_v4,
.proto = ds_proto,
.minorversion = minor_version,
- .net = mds_clp->cl_net,
+ .net = mds_srv->nfs_client->cl_net,
};
struct rpc_timeout ds_timeout;
struct nfs_client *clp;
@@ -863,13 +863,16 @@ struct nfs_client *nfs4_set_ds_client(struct nfs_client* mds_clp,
return ERR_PTR(-EINVAL);
cl_init.hostname = buf;

+ if (mds_srv->flags & NFS_MOUNT_NORESVPORT)
+ set_bit(NFS_CS_NORESVPORT, &cl_init.init_flags);
+
/*
* Set an authflavor equual to the MDS value. Use the MDS nfs_client
* cl_ipaddr so as to use the same EXCHANGE_ID co_ownerid as the MDS
* (section 13.1 RFC 5661).
*/
nfs_init_timeout_values(&ds_timeout, ds_proto, ds_timeo, ds_retrans);
- clp = nfs_get_client(&cl_init, &ds_timeout, mds_clp->cl_ipaddr,
+ clp = nfs_get_client(&cl_init, &ds_timeout, mds_srv->nfs_client->cl_ipaddr,
au_flavor);

dprintk("<-- %s %p\n", __func__, clp);
diff --git a/fs/nfs/pnfs_nfs.c b/fs/nfs/pnfs_nfs.c
index 0dfc476..a3e3157 100644
--- a/fs/nfs/pnfs_nfs.c
+++ b/fs/nfs/pnfs_nfs.c
@@ -682,7 +682,7 @@ static int _nfs4_pnfs_v4_ds_connect(struct nfs_server *mds_srv,
dprintk("%s: DS %s: trying address %s\n",
__func__, ds->ds_remotestr, da->da_remotestr);

- clp = nfs4_set_ds_client(mds_srv->nfs_client,
+ clp = nfs4_set_ds_client(mds_srv,
(struct sockaddr *)&da->da_addr,
da->da_addrlen, IPPROTO_TCP,
timeo, retrans, minor_version,
--
2.5.5



2016-06-27 15:20:23

by Mkrtchyan, Tigran

[permalink] [raw]
Subject: Re: [PATCH v2] nfs4: clnt: respect noresvport when establishing connections to DSes



Trond, Anna,

any update on this (and corresponding one for flexfile layout)?

Tigran.

----- Original Message -----
> From: "Tigran Mkrtchyan" <[email protected]>
> To: [email protected]
> Cc: "Trond Myklebust" <[email protected]>, "Anna Schumaker" <[email protected]>, "Tigran
> Mkrtchyan" <[email protected]>
> Sent: Monday, June 13, 2016 7:57:35 PM
> Subject: [PATCH v2] nfs4: clnt: respect noresvport when establishing connections to DSes

> result:
>
> $ mount -o vers=4.1 dcache-lab007:/ /pnfs
> $ cp /etc/profile /pnfs
> tcp 0 0 131.169.185.68:1005 131.169.191.141:32049 ESTABLISHED
> tcp 0 0 131.169.185.68:751 131.169.191.144:2049 ESTABLISHED
> $
>
> $ mount -o vers=4.1,noresvport dcache-lab007:/ /pnfs
> $ cp /etc/profile /pnfs
> tcp 0 0 131.169.185.68:34894 131.169.191.141:32049 ESTABLISHED
> tcp 0 0 131.169.185.68:35722 131.169.191.144:2049 ESTABLISHED
> $
>
> Signed-off-by: Tigran Mkrtchyan <[email protected]>
> ---
> fs/nfs/internal.h | 2 +-
> fs/nfs/nfs4client.c | 9 ++++++---
> fs/nfs/pnfs_nfs.c | 2 +-
> 3 files changed, 8 insertions(+), 5 deletions(-)
>
> diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h
> index 5154fa6..67b9345 100644
> --- a/fs/nfs/internal.h
> +++ b/fs/nfs/internal.h
> @@ -184,7 +184,7 @@ extern struct nfs_server *nfs_clone_server(struct nfs_server
> *,
> rpc_authflavor_t);
> extern int nfs_wait_client_init_complete(const struct nfs_client *clp);
> extern void nfs_mark_client_ready(struct nfs_client *clp, int state);
> -extern struct nfs_client *nfs4_set_ds_client(struct nfs_client* mds_clp,
> +extern struct nfs_client *nfs4_set_ds_client(struct nfs_server *mds_srv,
> const struct sockaddr *ds_addr,
> int ds_addrlen, int ds_proto,
> unsigned int ds_timeo,
> diff --git a/fs/nfs/nfs4client.c b/fs/nfs/nfs4client.c
> index 10410e8..1d36e7f 100644
> --- a/fs/nfs/nfs4client.c
> +++ b/fs/nfs/nfs4client.c
> @@ -842,7 +842,7 @@ error:
> * low timeout interval so that if a connection is lost, we retry through
> * the MDS.
> */
> -struct nfs_client *nfs4_set_ds_client(struct nfs_client* mds_clp,
> +struct nfs_client *nfs4_set_ds_client(struct nfs_server *mds_srv,
> const struct sockaddr *ds_addr, int ds_addrlen,
> int ds_proto, unsigned int ds_timeo, unsigned int ds_retrans,
> u32 minor_version, rpc_authflavor_t au_flavor)
> @@ -853,7 +853,7 @@ struct nfs_client *nfs4_set_ds_client(struct nfs_client*
> mds_clp,
> .nfs_mod = &nfs_v4,
> .proto = ds_proto,
> .minorversion = minor_version,
> - .net = mds_clp->cl_net,
> + .net = mds_srv->nfs_client->cl_net,
> };
> struct rpc_timeout ds_timeout;
> struct nfs_client *clp;
> @@ -863,13 +863,16 @@ struct nfs_client *nfs4_set_ds_client(struct nfs_client*
> mds_clp,
> return ERR_PTR(-EINVAL);
> cl_init.hostname = buf;
>
> + if (mds_srv->flags & NFS_MOUNT_NORESVPORT)
> + set_bit(NFS_CS_NORESVPORT, &cl_init.init_flags);
> +
> /*
> * Set an authflavor equual to the MDS value. Use the MDS nfs_client
> * cl_ipaddr so as to use the same EXCHANGE_ID co_ownerid as the MDS
> * (section 13.1 RFC 5661).
> */
> nfs_init_timeout_values(&ds_timeout, ds_proto, ds_timeo, ds_retrans);
> - clp = nfs_get_client(&cl_init, &ds_timeout, mds_clp->cl_ipaddr,
> + clp = nfs_get_client(&cl_init, &ds_timeout, mds_srv->nfs_client->cl_ipaddr,
> au_flavor);
>
> dprintk("<-- %s %p\n", __func__, clp);
> diff --git a/fs/nfs/pnfs_nfs.c b/fs/nfs/pnfs_nfs.c
> index 0dfc476..a3e3157 100644
> --- a/fs/nfs/pnfs_nfs.c
> +++ b/fs/nfs/pnfs_nfs.c
> @@ -682,7 +682,7 @@ static int _nfs4_pnfs_v4_ds_connect(struct nfs_server
> *mds_srv,
> dprintk("%s: DS %s: trying address %s\n",
> __func__, ds->ds_remotestr, da->da_remotestr);
>
> - clp = nfs4_set_ds_client(mds_srv->nfs_client,
> + clp = nfs4_set_ds_client(mds_srv,
> (struct sockaddr *)&da->da_addr,
> da->da_addrlen, IPPROTO_TCP,
> timeo, retrans, minor_version,
> --
> 2.5.5
>
> --
> To unsubscribe from this list: send the line "unsubscribe linux-nfs" in
> the body of a message to [email protected]
> More majordomo info at http://vger.kernel.org/majordomo-info.html

2016-06-28 18:35:27

by Anna Schumaker

[permalink] [raw]
Subject: Re: [PATCH v2] nfs4: clnt: respect noresvport when establishing connections to DSes

Hi Tigran,

On 06/27/2016 11:20 AM, Mkrtchyan, Tigran wrote:
>
>
> Trond, Anna,
>
> any update on this (and corresponding one for flexfile layout)?

The patch looks okay to me. I'll let Trond decide about the corresponding flexfile patch.

Anna
>
> Tigran.
>
> ----- Original Message -----
>> From: "Tigran Mkrtchyan" <[email protected]>
>> To: [email protected]
>> Cc: "Trond Myklebust" <[email protected]>, "Anna Schumaker" <[email protected]>, "Tigran
>> Mkrtchyan" <[email protected]>
>> Sent: Monday, June 13, 2016 7:57:35 PM
>> Subject: [PATCH v2] nfs4: clnt: respect noresvport when establishing connections to DSes
>
>> result:
>>
>> $ mount -o vers=4.1 dcache-lab007:/ /pnfs
>> $ cp /etc/profile /pnfs
>> tcp 0 0 131.169.185.68:1005 131.169.191.141:32049 ESTABLISHED
>> tcp 0 0 131.169.185.68:751 131.169.191.144:2049 ESTABLISHED
>> $
>>
>> $ mount -o vers=4.1,noresvport dcache-lab007:/ /pnfs
>> $ cp /etc/profile /pnfs
>> tcp 0 0 131.169.185.68:34894 131.169.191.141:32049 ESTABLISHED
>> tcp 0 0 131.169.185.68:35722 131.169.191.144:2049 ESTABLISHED
>> $
>>
>> Signed-off-by: Tigran Mkrtchyan <[email protected]>
>> ---
>> fs/nfs/internal.h | 2 +-
>> fs/nfs/nfs4client.c | 9 ++++++---
>> fs/nfs/pnfs_nfs.c | 2 +-
>> 3 files changed, 8 insertions(+), 5 deletions(-)
>>
>> diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h
>> index 5154fa6..67b9345 100644
>> --- a/fs/nfs/internal.h
>> +++ b/fs/nfs/internal.h
>> @@ -184,7 +184,7 @@ extern struct nfs_server *nfs_clone_server(struct nfs_server
>> *,
>> rpc_authflavor_t);
>> extern int nfs_wait_client_init_complete(const struct nfs_client *clp);
>> extern void nfs_mark_client_ready(struct nfs_client *clp, int state);
>> -extern struct nfs_client *nfs4_set_ds_client(struct nfs_client* mds_clp,
>> +extern struct nfs_client *nfs4_set_ds_client(struct nfs_server *mds_srv,
>> const struct sockaddr *ds_addr,
>> int ds_addrlen, int ds_proto,
>> unsigned int ds_timeo,
>> diff --git a/fs/nfs/nfs4client.c b/fs/nfs/nfs4client.c
>> index 10410e8..1d36e7f 100644
>> --- a/fs/nfs/nfs4client.c
>> +++ b/fs/nfs/nfs4client.c
>> @@ -842,7 +842,7 @@ error:
>> * low timeout interval so that if a connection is lost, we retry through
>> * the MDS.
>> */
>> -struct nfs_client *nfs4_set_ds_client(struct nfs_client* mds_clp,
>> +struct nfs_client *nfs4_set_ds_client(struct nfs_server *mds_srv,
>> const struct sockaddr *ds_addr, int ds_addrlen,
>> int ds_proto, unsigned int ds_timeo, unsigned int ds_retrans,
>> u32 minor_version, rpc_authflavor_t au_flavor)
>> @@ -853,7 +853,7 @@ struct nfs_client *nfs4_set_ds_client(struct nfs_client*
>> mds_clp,
>> .nfs_mod = &nfs_v4,
>> .proto = ds_proto,
>> .minorversion = minor_version,
>> - .net = mds_clp->cl_net,
>> + .net = mds_srv->nfs_client->cl_net,
>> };
>> struct rpc_timeout ds_timeout;
>> struct nfs_client *clp;
>> @@ -863,13 +863,16 @@ struct nfs_client *nfs4_set_ds_client(struct nfs_client*
>> mds_clp,
>> return ERR_PTR(-EINVAL);
>> cl_init.hostname = buf;
>>
>> + if (mds_srv->flags & NFS_MOUNT_NORESVPORT)
>> + set_bit(NFS_CS_NORESVPORT, &cl_init.init_flags);
>> +
>> /*
>> * Set an authflavor equual to the MDS value. Use the MDS nfs_client
>> * cl_ipaddr so as to use the same EXCHANGE_ID co_ownerid as the MDS
>> * (section 13.1 RFC 5661).
>> */
>> nfs_init_timeout_values(&ds_timeout, ds_proto, ds_timeo, ds_retrans);
>> - clp = nfs_get_client(&cl_init, &ds_timeout, mds_clp->cl_ipaddr,
>> + clp = nfs_get_client(&cl_init, &ds_timeout, mds_srv->nfs_client->cl_ipaddr,
>> au_flavor);
>>
>> dprintk("<-- %s %p\n", __func__, clp);
>> diff --git a/fs/nfs/pnfs_nfs.c b/fs/nfs/pnfs_nfs.c
>> index 0dfc476..a3e3157 100644
>> --- a/fs/nfs/pnfs_nfs.c
>> +++ b/fs/nfs/pnfs_nfs.c
>> @@ -682,7 +682,7 @@ static int _nfs4_pnfs_v4_ds_connect(struct nfs_server
>> *mds_srv,
>> dprintk("%s: DS %s: trying address %s\n",
>> __func__, ds->ds_remotestr, da->da_remotestr);
>>
>> - clp = nfs4_set_ds_client(mds_srv->nfs_client,
>> + clp = nfs4_set_ds_client(mds_srv,
>> (struct sockaddr *)&da->da_addr,
>> da->da_addrlen, IPPROTO_TCP,
>> timeo, retrans, minor_version,
>> --
>> 2.5.5
>>
>> --
>> To unsubscribe from this list: send the line "unsubscribe linux-nfs" in
>> the body of a message to [email protected]
>> More majordomo info at http://vger.kernel.org/majordomo-info.html
> --
> To unsubscribe from this list: send the line "unsubscribe linux-nfs" in
> the body of a message to [email protected]
> More majordomo info at http://vger.kernel.org/majordomo-info.html
>