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Subject[PATCH 10/14] NFSv4: Introduce new label structure
Date
In order to mimic the way that NFSv4 ACLs are implemented we have created a
structure to be used to pass label data up and down the call chain. This patch
adds the new structure and new members to the required NFSv4 call structures.

Signed-off-by: Matthew N. Dodd <Matthew.Dodd@sparta.com>
Signed-off-by: David P. Quigley <dpquigl@tycho.nsa.gov>
---
include/linux/nfs4.h | 6 ++++++
include/linux/nfs_xdr.h | 3 +++
include/linux/nfsd/xdr4.h | 3 +++
3 files changed, 12 insertions(+), 0 deletions(-)

diff --git a/include/linux/nfs4.h b/include/linux/nfs4.h
index 144eacf..dd99b27 100644
--- a/include/linux/nfs4.h
+++ b/include/linux/nfs4.h
@@ -112,6 +112,12 @@ struct nfs4_acl {
struct nfs4_ace aces[0];
};

+struct nfs4_label {
+ void *label;
+ u32 len;
+};
+
+
typedef struct { char data[NFS4_VERIFIER_SIZE]; } nfs4_verifier;
typedef struct { char data[NFS4_STATEID_SIZE]; } nfs4_stateid;

diff --git a/include/linux/nfs_xdr.h b/include/linux/nfs_xdr.h
index 0d77568..c4fa2df 100644
--- a/include/linux/nfs_xdr.h
+++ b/include/linux/nfs_xdr.h
@@ -135,6 +135,7 @@ struct nfs_openargs {
const struct nfs_server *server; /* Needed for ID mapping */
const u32 * bitmask;
__u32 claim;
+ const struct nfs4_label *label;
};

struct nfs_openres {
@@ -353,6 +354,7 @@ struct nfs_setattrargs {
struct iattr * iap;
const struct nfs_server * server; /* Needed for name mapping */
const u32 * bitmask;
+ const struct nfs4_label * label;
};

struct nfs_setaclargs {
@@ -577,6 +579,7 @@ struct nfs4_create_arg {
const struct iattr * attrs;
const struct nfs_fh * dir_fh;
const u32 * bitmask;
+ const struct nfs4_label * label;
};

struct nfs4_create_res {
diff --git a/include/linux/nfsd/xdr4.h b/include/linux/nfsd/xdr4.h
index 27bd3e3..a0f3d79 100644
--- a/include/linux/nfsd/xdr4.h
+++ b/include/linux/nfsd/xdr4.h
@@ -94,6 +94,7 @@ struct nfsd4_create {
struct iattr cr_iattr; /* request */
struct nfsd4_change_info cr_cinfo; /* response */
struct nfs4_acl *cr_acl;
+ struct nfs4_label *cr_label;
};
#define cr_linklen u.link.namelen
#define cr_linkname u.link.name
@@ -223,6 +224,7 @@ struct nfsd4_open {
int op_truncate; /* used during processing */
struct nfs4_stateowner *op_stateowner; /* used during processing */
struct nfs4_acl *op_acl;
+ struct nfs4_label *op_label;
};
#define op_iattr u.iattr
#define op_verf u.verf
@@ -304,6 +306,7 @@ struct nfsd4_setattr {
u32 sa_bmval[2]; /* request */
struct iattr sa_iattr; /* request */
struct nfs4_acl *sa_acl;
+ struct nfs4_label *sa_label;
};

struct nfsd4_setclientid {
--
1.5.5.1


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