NFS: added FREE_STATEID call

FREE_STATEID is used to tell the server that we want to free a stateid
that no longer has any locks associated with it.  This allows the client
to reclaim locks without encountering edge conditions documented in
section 8.4.3 of RFC 5661.

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

1 files changed, 1 insertions, 0 deletions

diff --git a/include/linux/nfs4.h b/include/linux/nfs4.h
index efe07f7a8765..a3c4bc800dce 100644
--- a/include/linux/nfs4.h
+++ b/include/linux/nfs4.h
@@ -565,6 +565,7 @@ enum {
         NFSPROC4_CLNT_LAYOUTRETURN,
         NFSPROC4_CLNT_SECINFO_NO_NAME,
         NFSPROC4_CLNT_TEST_STATEID,
+        NFSPROC4_CLNT_FREE_STATEID,
 };
 
 /* nfs41 types */