NFSD: Added TEST_STATEID operation

This operation is used by the client to check the validity of a list of
stateids.

Signed-off-by: Bryan Schumaker <bjschuma@netapp.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>

1 files changed, 17 insertions, 0 deletions

diff --git a/fs/nfsd/xdr4.h b/fs/nfsd/xdr4.h
index ed1784d31a60..02fb0e09de7f 100644
--- a/fs/nfsd/xdr4.h
+++ b/fs/nfsd/xdr4.h
@@ -342,6 +342,20 @@ struct nfsd4_setclientid_confirm {
         nfs4_verifier   sc_confirm;
 };
 
+struct nfsd4_saved_compoundargs {
+        __be32 *p;
+        __be32 *end;
+        int pagelen;
+        struct page **pagelist;
+};
+
+struct nfsd4_test_stateid {
+        __be32          ts_num_ids;
+        __be32          ts_has_session;
+        struct nfsd4_compoundargs *ts_saved_args;
+        struct nfsd4_saved_compoundargs ts_savedp;
+};
+
 struct nfsd4_free_stateid {
         stateid_t       fr_stateid;         /* request */
         __be32          fr_status;          /* response */
@@ -437,6 +451,7 @@ struct nfsd4_op {
                 struct nfsd4_destroy_session    destroy_session;
                 struct nfsd4_sequence           sequence;
                 struct nfsd4_reclaim_complete   reclaim_complete;
+                struct nfsd4_test_stateid       test_stateid;
                 struct nfsd4_free_stateid       free_stateid;
         } u;
         struct nfs4_replay *                    replay;
@@ -570,6 +585,8 @@ extern __be32 nfsd4_delegreturn(struct svc_rqst *rqstp,
                 struct nfsd4_compound_state *, struct nfsd4_delegreturn *dr);
 extern __be32 nfsd4_renew(struct svc_rqst *rqstp,
                           struct nfsd4_compound_state *, clientid_t *clid);
+extern __be32 nfsd4_test_stateid(struct svc_rqst *rqstp,
+                struct nfsd4_compound_state *, struct nfsd4_test_stateid *test_stateid);
 extern __be32 nfsd4_free_stateid(struct svc_rqst *rqstp,
                 struct nfsd4_compound_state *, struct nfsd4_free_stateid *free_stateid);
 #endif