NFSv4: Add support for the RELEASE_LOCKOWNER operation

This is needed by NFSv4.0 servers in order to keep the number of locking
stateids at a manageable level.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

2 files changed, 5 insertions, 0 deletions

diff --git a/include/linux/nfs4.h b/include/linux/nfs4.h
index 9b8299af3741..07e40c625972 100644
--- a/include/linux/nfs4.h
+++ b/include/linux/nfs4.h
@@ -523,6 +523,7 @@ enum {
         NFSPROC4_CLNT_GETACL,
         NFSPROC4_CLNT_SETACL,
         NFSPROC4_CLNT_FS_LOCATIONS,
+        NFSPROC4_CLNT_RELEASE_LOCKOWNER,
 
         /* nfs41 */
         NFSPROC4_CLNT_EXCHANGE_ID,
diff --git a/include/linux/nfs_xdr.h b/include/linux/nfs_xdr.h
index 87202c7026e3..fc461926c412 100644
--- a/include/linux/nfs_xdr.h
+++ b/include/linux/nfs_xdr.h
@@ -315,6 +315,10 @@ struct nfs_lockt_res {
         struct nfs4_sequence_res        seq_res;
 };
 
+struct nfs_release_lockowner_args {
+        struct nfs_lowner       lock_owner;
+};
+
 struct nfs4_delegreturnargs {
         const struct nfs_fh *fhandle;
         const nfs4_stateid *stateid;