NFSD: added FREE_STATEID operation

This operation is used by the client to tell the server to free a
stateid.

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

1 files changed, 8 insertions, 0 deletions

diff --git a/fs/nfsd/xdr4.h b/fs/nfsd/xdr4.h
index 366401e1a536..ed1784d31a60 100644
--- a/fs/nfsd/xdr4.h
+++ b/fs/nfsd/xdr4.h
@@ -342,6 +342,11 @@ struct nfsd4_setclientid_confirm {
         nfs4_verifier   sc_confirm;
 };
 
+struct nfsd4_free_stateid {
+        stateid_t       fr_stateid;         /* request */
+        __be32          fr_status;          /* response */
+};
+
 /* also used for NVERIFY */
 struct nfsd4_verify {
         u32             ve_bmval[3];        /* request */
@@ -432,6 +437,7 @@ struct nfsd4_op {
                 struct nfsd4_destroy_session    destroy_session;
                 struct nfsd4_sequence           sequence;
                 struct nfsd4_reclaim_complete   reclaim_complete;
+                struct nfsd4_free_stateid       free_stateid;
         } u;
         struct nfs4_replay *                    replay;
 };
@@ -564,6 +570,8 @@ 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_free_stateid(struct svc_rqst *rqstp,
+                struct nfsd4_compound_state *, struct nfsd4_free_stateid *free_stateid);
 #endif
 
 /*