diff mbox

[1/2] NFSv4.2: Added NFS v4.2 support to the NFS client

Message ID 1361543697-9642-2-git-send-email-steved@redhat.com (mailing list archive)
State New, archived
Headers show

Commit Message

Steve Dickson Feb. 22, 2013, 2:34 p.m. UTC 
This enable NFSv4.2 support. To enable this code the
CONFIG_NFS_V4_2 Kconfig define needs to be set and
the -o v4.2 mount option need to be used.

Signed-off-by: Steve Dickson <steved@redhat.com>
---
 fs/nfs/Kconfig       | 12 +++++++++++-
 fs/nfs/callback.c    |  3 +++
 fs/nfs/nfs4client.c  |  5 +++++
 fs/nfs/nfs4proc.c    |  3 +++
 fs/nfs/super.c       |  7 ++++++-
 include/linux/nfs4.h |  4 ++++
 6 files changed, 32 insertions(+), 2 deletions(-)

Comments

Trond Myklebust Feb. 22, 2013, 2:41 p.m. UTC | #1 
On Fri, 2013-02-22 at 09:34 -0500, Steve Dickson wrote:
> This enable NFSv4.2 support. To enable this code the
> CONFIG_NFS_V4_2 Kconfig define needs to be set and
> the -o v4.2 mount option need to be used.
> 
> Signed-off-by: Steve Dickson <steved@redhat.com>
> ---
>  fs/nfs/Kconfig       | 12 +++++++++++-
>  fs/nfs/callback.c    |  3 +++
>  fs/nfs/nfs4client.c  |  5 +++++
>  fs/nfs/nfs4proc.c    |  3 +++
>  fs/nfs/super.c       |  7 ++++++-
>  include/linux/nfs4.h |  4 ++++
>  6 files changed, 32 insertions(+), 2 deletions(-)
> 
> diff --git a/fs/nfs/Kconfig b/fs/nfs/Kconfig
> index 3861a1f..4190710 100644
> --- a/fs/nfs/Kconfig
> +++ b/fs/nfs/Kconfig
> @@ -104,6 +104,16 @@ config NFS_V4_1
>  
>  	  If unsure, say N.
>  
> +config NFS_V4_2
> +	bool "NFS client support for NFSv4.2"
> +	depends on NFS_V4_1
> +	select NFS_V4_SECURITY_LABEL
> +	help
> +	  This option enables support for minor version 2 of the NFSv4 protocol
> +	  in the kernel's NFS client.

+	Say Y here if you want enable fine-grained security label attributes

> +
> +	  If unsure, say N.
> +
>  config PNFS_FILE_LAYOUT
>  	tristate
>  	depends on NFS_V4_1
> @@ -133,7 +143,7 @@ config NFS_V4_1_IMPLEMENTATION_ID_DOMAIN
>  
>  config NFS_V4_SECURITY_LABEL
>  	bool "Provide Security Label support for NFSv4 client"
> -	depends on NFS_V4 && SECURITY
> +	depends on NFS_V4_2 && SECURITY
>  	help

You don't need the above select at all above if you change this to

config NFS_V4_SECURITY_LABEL
	bool
	depends on NFS_V4_2 && SECURITY
	default y

>  
> diff --git a/fs/nfs/callback.c b/fs/nfs/callback.c
> index 5088b57..4058ec8 100644
> --- a/fs/nfs/callback.c
> +++ b/fs/nfs/callback.c
> @@ -281,6 +281,9 @@ static int nfs_callback_up_net(int minorversion, struct svc_serv *serv, struct n
>  		case 1:
>  			ret = nfs41_callback_up_net(serv, net);
>  			break;
> +		case 2:


Since this is identical to case 1:, they should be merged.

> +			ret = nfs41_callback_up_net(serv, net);
> +			break;
>  		default:
>  			printk(KERN_ERR "NFS: unknown callback version: %d\n",
>  					minorversion);
> diff --git a/fs/nfs/nfs4client.c b/fs/nfs/nfs4client.c
> index 2e9779b..2987fd6 100644
> --- a/fs/nfs/nfs4client.c
> +++ b/fs/nfs/nfs4client.c
> @@ -66,6 +66,11 @@ struct nfs_client *nfs4_alloc_client(const struct nfs_client_initdata *cl_init)
>  	if (err)
>  		goto error;
>  
> +	if (cl_init->minorversion > NFS4_MAX_MINOR_VERSION) {
> +		err = -EINVAL;
> +		goto error;
> +	}
> +		
>  	spin_lock_init(&clp->cl_lock);
>  	INIT_DELAYED_WORK(&clp->cl_renewd, nfs4_renew_state);
>  	rpc_init_wait_queue(&clp->cl_rpcwaitq, "NFS client");
> diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
> index 30b3e44..2384f91 100644
> --- a/fs/nfs/nfs4proc.c
> +++ b/fs/nfs/nfs4proc.c
> @@ -7136,6 +7136,9 @@ const struct nfs4_minor_version_ops *nfs_v4_minor_ops[] = {
>  #if defined(CONFIG_NFS_V4_1)
>  	[1] = &nfs_v4_1_minor_ops,
>  #endif
> +#if defined(CONFIG_NFS_V4_2)
> +	[2] = &nfs_v4_1_minor_ops,
> +#endif
>  };
>  
>  const struct inode_operations nfs4_dir_inode_operations = {
> diff --git a/fs/nfs/super.c b/fs/nfs/super.c
> index 4e78f93..d35582c 100644
> --- a/fs/nfs/super.c
> +++ b/fs/nfs/super.c
> @@ -269,7 +269,7 @@ static match_table_t nfs_local_lock_tokens = {
>  
>  enum {
>  	Opt_vers_2, Opt_vers_3, Opt_vers_4, Opt_vers_4_0,
> -	Opt_vers_4_1,
> +	Opt_vers_4_1, Opt_vers_4_2,
>  
>  	Opt_vers_err
>  };
> @@ -280,6 +280,7 @@ static match_table_t nfs_vers_tokens = {
>  	{ Opt_vers_4, "4" },
>  	{ Opt_vers_4_0, "4.0" },
>  	{ Opt_vers_4_1, "4.1" },
> +	{ Opt_vers_4_2, "4.2" },
>  
>  	{ Opt_vers_err, NULL }
>  };
> @@ -1143,6 +1144,10 @@ static int nfs_parse_version_string(char *string,
>  		mnt->version = 4;
>  		mnt->minorversion = 1;
>  		break;
> +	case Opt_vers_4_2:
> +		mnt->version = 4;
> +		mnt->minorversion = 2;
> +		break;
>  	default:
>  		return 0;
>  	}
> diff --git a/include/linux/nfs4.h b/include/linux/nfs4.h
> index aab8bd8..e9c040a 100644
> --- a/include/linux/nfs4.h
> +++ b/include/linux/nfs4.h
> @@ -394,11 +394,15 @@ enum lock_type4 {
>  #define NFS4_VERSION 4
>  #define NFS4_MINOR_VERSION 0
>  
> +#if defined(CONFIG_NFS_V4_2)
> +#define NFS4_MAX_MINOR_VERSION 2
> +#else
>  #if defined(CONFIG_NFS_V4_1)
>  #define NFS4_MAX_MINOR_VERSION 1
>  #else
>  #define NFS4_MAX_MINOR_VERSION 0
>  #endif /* CONFIG_NFS_V4_1 */
> +#endif /* CONFIG_NFS_V4_2 */
>  
>  #define NFS4_DEBUG 1
>
Steve Dickson Feb. 22, 2013, 3:32 p.m. UTC | #2 
On 22/02/13 09:41, Myklebust, Trond wrote:
> On Fri, 2013-02-22 at 09:34 -0500, Steve Dickson wrote:
>> This enable NFSv4.2 support. To enable this code the
>> CONFIG_NFS_V4_2 Kconfig define needs to be set and
>> the -o v4.2 mount option need to be used.
>>
>> Signed-off-by: Steve Dickson <steved@redhat.com>
>> ---
>>  fs/nfs/Kconfig       | 12 +++++++++++-
>>  fs/nfs/callback.c    |  3 +++
>>  fs/nfs/nfs4client.c  |  5 +++++
>>  fs/nfs/nfs4proc.c    |  3 +++
>>  fs/nfs/super.c       |  7 ++++++-
>>  include/linux/nfs4.h |  4 ++++
>>  6 files changed, 32 insertions(+), 2 deletions(-)
>>
>> diff --git a/fs/nfs/Kconfig b/fs/nfs/Kconfig
>> index 3861a1f..4190710 100644
>> --- a/fs/nfs/Kconfig
>> +++ b/fs/nfs/Kconfig
>> @@ -104,6 +104,16 @@ config NFS_V4_1
>>  
>>  	  If unsure, say N.
>>  
>> +config NFS_V4_2
>> +	bool "NFS client support for NFSv4.2"
>> +	depends on NFS_V4_1
>> +	select NFS_V4_SECURITY_LABEL
>> +	help
>> +	  This option enables support for minor version 2 of the NFSv4 protocol
>> +	  in the kernel's NFS client.
> 
> +	Say Y here if you want enable fine-grained security label attributes
Ok... 

> 
>> +
>> +	  If unsure, say N.
>> +
>>  config PNFS_FILE_LAYOUT
>>  	tristate
>>  	depends on NFS_V4_1
>> @@ -133,7 +143,7 @@ config NFS_V4_1_IMPLEMENTATION_ID_DOMAIN
>>  
>>  config NFS_V4_SECURITY_LABEL
>>  	bool "Provide Security Label support for NFSv4 client"
>> -	depends on NFS_V4 && SECURITY
>> +	depends on NFS_V4_2 && SECURITY
>>  	help
> 
> You don't need the above select at all above if you change this to
> 
> config NFS_V4_SECURITY_LABEL
> 	bool
> 	depends on NFS_V4_2 && SECURITY
> 	default y
Fine...

> 
>>  
>> diff --git a/fs/nfs/callback.c b/fs/nfs/callback.c
>> index 5088b57..4058ec8 100644
>> --- a/fs/nfs/callback.c
>> +++ b/fs/nfs/callback.c
>> @@ -281,6 +281,9 @@ static int nfs_callback_up_net(int minorversion, struct svc_serv *serv, struct n
>>  		case 1:
>>  			ret = nfs41_callback_up_net(serv, net);
>>  			break;
>> +		case 2:
> 
> 
> Since this is identical to case 1:, they should be merged.
I guess wrong on how you wanted this handled... ;-)

steved.

> 
>> +			ret = nfs41_callback_up_net(serv, net);
>> +			break;
>>  		default:
>>  			printk(KERN_ERR "NFS: unknown callback version: %d\n",
>>  					minorversion);
>> diff --git a/fs/nfs/nfs4client.c b/fs/nfs/nfs4client.c
>> index 2e9779b..2987fd6 100644
>> --- a/fs/nfs/nfs4client.c
>> +++ b/fs/nfs/nfs4client.c
>> @@ -66,6 +66,11 @@ struct nfs_client *nfs4_alloc_client(const struct nfs_client_initdata *cl_init)
>>  	if (err)
>>  		goto error;
>>  
>> +	if (cl_init->minorversion > NFS4_MAX_MINOR_VERSION) {
>> +		err = -EINVAL;
>> +		goto error;
>> +	}
>> +		
>>  	spin_lock_init(&clp->cl_lock);
>>  	INIT_DELAYED_WORK(&clp->cl_renewd, nfs4_renew_state);
>>  	rpc_init_wait_queue(&clp->cl_rpcwaitq, "NFS client");
>> diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
>> index 30b3e44..2384f91 100644
>> --- a/fs/nfs/nfs4proc.c
>> +++ b/fs/nfs/nfs4proc.c
>> @@ -7136,6 +7136,9 @@ const struct nfs4_minor_version_ops *nfs_v4_minor_ops[] = {
>>  #if defined(CONFIG_NFS_V4_1)
>>  	[1] = &nfs_v4_1_minor_ops,
>>  #endif
>> +#if defined(CONFIG_NFS_V4_2)
>> +	[2] = &nfs_v4_1_minor_ops,
>> +#endif
>>  };
>>  
>>  const struct inode_operations nfs4_dir_inode_operations = {
>> diff --git a/fs/nfs/super.c b/fs/nfs/super.c
>> index 4e78f93..d35582c 100644
>> --- a/fs/nfs/super.c
>> +++ b/fs/nfs/super.c
>> @@ -269,7 +269,7 @@ static match_table_t nfs_local_lock_tokens = {
>>  
>>  enum {
>>  	Opt_vers_2, Opt_vers_3, Opt_vers_4, Opt_vers_4_0,
>> -	Opt_vers_4_1,
>> +	Opt_vers_4_1, Opt_vers_4_2,
>>  
>>  	Opt_vers_err
>>  };
>> @@ -280,6 +280,7 @@ static match_table_t nfs_vers_tokens = {
>>  	{ Opt_vers_4, "4" },
>>  	{ Opt_vers_4_0, "4.0" },
>>  	{ Opt_vers_4_1, "4.1" },
>> +	{ Opt_vers_4_2, "4.2" },
>>  
>>  	{ Opt_vers_err, NULL }
>>  };
>> @@ -1143,6 +1144,10 @@ static int nfs_parse_version_string(char *string,
>>  		mnt->version = 4;
>>  		mnt->minorversion = 1;
>>  		break;
>> +	case Opt_vers_4_2:
>> +		mnt->version = 4;
>> +		mnt->minorversion = 2;
>> +		break;
>>  	default:
>>  		return 0;
>>  	}
>> diff --git a/include/linux/nfs4.h b/include/linux/nfs4.h
>> index aab8bd8..e9c040a 100644
>> --- a/include/linux/nfs4.h
>> +++ b/include/linux/nfs4.h
>> @@ -394,11 +394,15 @@ enum lock_type4 {
>>  #define NFS4_VERSION 4
>>  #define NFS4_MINOR_VERSION 0
>>  
>> +#if defined(CONFIG_NFS_V4_2)
>> +#define NFS4_MAX_MINOR_VERSION 2
>> +#else
>>  #if defined(CONFIG_NFS_V4_1)
>>  #define NFS4_MAX_MINOR_VERSION 1
>>  #else
>>  #define NFS4_MAX_MINOR_VERSION 0
>>  #endif /* CONFIG_NFS_V4_1 */
>> +#endif /* CONFIG_NFS_V4_2 */
>>  
>>  #define NFS4_DEBUG 1
>>  
> 
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diff mbox

Patch

diff --git a/fs/nfs/Kconfig b/fs/nfs/Kconfig
index 3861a1f..4190710 100644
--- a/fs/nfs/Kconfig
+++ b/fs/nfs/Kconfig
@@ -104,6 +104,16 @@  config NFS_V4_1
 
 	  If unsure, say N.
 
+config NFS_V4_2
+	bool "NFS client support for NFSv4.2"
+	depends on NFS_V4_1
+	select NFS_V4_SECURITY_LABEL
+	help
+	  This option enables support for minor version 2 of the NFSv4 protocol
+	  in the kernel's NFS client.
+
+	  If unsure, say N.
+
 config PNFS_FILE_LAYOUT
 	tristate
 	depends on NFS_V4_1
@@ -133,7 +143,7 @@  config NFS_V4_1_IMPLEMENTATION_ID_DOMAIN
 
 config NFS_V4_SECURITY_LABEL
 	bool "Provide Security Label support for NFSv4 client"
-	depends on NFS_V4 && SECURITY
+	depends on NFS_V4_2 && SECURITY
 	help
 
 	Say Y here if you want enable fine-grained security label attribute
diff --git a/fs/nfs/callback.c b/fs/nfs/callback.c
index 5088b57..4058ec8 100644
--- a/fs/nfs/callback.c
+++ b/fs/nfs/callback.c
@@ -281,6 +281,9 @@  static int nfs_callback_up_net(int minorversion, struct svc_serv *serv, struct n
 		case 1:
 			ret = nfs41_callback_up_net(serv, net);
 			break;
+		case 2:
+			ret = nfs41_callback_up_net(serv, net);
+			break;
 		default:
 			printk(KERN_ERR "NFS: unknown callback version: %d\n",
 					minorversion);
diff --git a/fs/nfs/nfs4client.c b/fs/nfs/nfs4client.c
index 2e9779b..2987fd6 100644
--- a/fs/nfs/nfs4client.c
+++ b/fs/nfs/nfs4client.c
@@ -66,6 +66,11 @@  struct nfs_client *nfs4_alloc_client(const struct nfs_client_initdata *cl_init)
 	if (err)
 		goto error;
 
+	if (cl_init->minorversion > NFS4_MAX_MINOR_VERSION) {
+		err = -EINVAL;
+		goto error;
+	}
+		
 	spin_lock_init(&clp->cl_lock);
 	INIT_DELAYED_WORK(&clp->cl_renewd, nfs4_renew_state);
 	rpc_init_wait_queue(&clp->cl_rpcwaitq, "NFS client");
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 30b3e44..2384f91 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -7136,6 +7136,9 @@  const struct nfs4_minor_version_ops *nfs_v4_minor_ops[] = {
 #if defined(CONFIG_NFS_V4_1)
 	[1] = &nfs_v4_1_minor_ops,
 #endif
+#if defined(CONFIG_NFS_V4_2)
+	[2] = &nfs_v4_1_minor_ops,
+#endif
 };
 
 const struct inode_operations nfs4_dir_inode_operations = {
diff --git a/fs/nfs/super.c b/fs/nfs/super.c
index 4e78f93..d35582c 100644
--- a/fs/nfs/super.c
+++ b/fs/nfs/super.c
@@ -269,7 +269,7 @@  static match_table_t nfs_local_lock_tokens = {
 
 enum {
 	Opt_vers_2, Opt_vers_3, Opt_vers_4, Opt_vers_4_0,
-	Opt_vers_4_1,
+	Opt_vers_4_1, Opt_vers_4_2,
 
 	Opt_vers_err
 };
@@ -280,6 +280,7 @@  static match_table_t nfs_vers_tokens = {
 	{ Opt_vers_4, "4" },
 	{ Opt_vers_4_0, "4.0" },
 	{ Opt_vers_4_1, "4.1" },
+	{ Opt_vers_4_2, "4.2" },
 
 	{ Opt_vers_err, NULL }
 };
@@ -1143,6 +1144,10 @@  static int nfs_parse_version_string(char *string,
 		mnt->version = 4;
 		mnt->minorversion = 1;
 		break;
+	case Opt_vers_4_2:
+		mnt->version = 4;
+		mnt->minorversion = 2;
+		break;
 	default:
 		return 0;
 	}
diff --git a/include/linux/nfs4.h b/include/linux/nfs4.h
index aab8bd8..e9c040a 100644
--- a/include/linux/nfs4.h
+++ b/include/linux/nfs4.h
@@ -394,11 +394,15 @@  enum lock_type4 {
 #define NFS4_VERSION 4
 #define NFS4_MINOR_VERSION 0
 
+#if defined(CONFIG_NFS_V4_2)
+#define NFS4_MAX_MINOR_VERSION 2
+#else
 #if defined(CONFIG_NFS_V4_1)
 #define NFS4_MAX_MINOR_VERSION 1
 #else
 #define NFS4_MAX_MINOR_VERSION 0
 #endif /* CONFIG_NFS_V4_1 */
+#endif /* CONFIG_NFS_V4_2 */
 
 #define NFS4_DEBUG 1