From 62cd4a591c6e0ead783940169fb8d34fe3f04992 Mon Sep 17 00:00:00 2001
From: Tigran Mkrtchyan <kofemann@gmail.com>
Date: Mon, 13 Feb 2012 22:55:25 +0100
Subject: nfsd41: handle current stateid on lock and locku

Signed-off-by: Tigran Mkrtchyan <kofemann@gmail.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>

diff --git a/fs/nfsd/current_stateid.h b/fs/nfsd/current_stateid.h
index a83dd50..21550b6 100644
--- a/fs/nfsd/current_stateid.h
+++ b/fs/nfsd/current_stateid.h
@@ -4,8 +4,17 @@
 #include "state.h"
 #include "xdr4.h"
 
+/*
+ * functions to set current state id
+ */
 extern void nfsd4_set_openstateid(struct nfsd4_compound_state *, struct nfsd4_open *);
-extern void nfsd4_get_closestateid(struct nfsd4_compound_state *, struct nfsd4_close *);
+extern void nfsd4_set_lockstateid(struct nfsd4_compound_state *, struct nfsd4_lock *);
 extern void nfsd4_set_closestateid(struct nfsd4_compound_state *, struct nfsd4_close *);
 
+/*
+ * functions to consume current state id
+ */
+extern void nfsd4_get_closestateid(struct nfsd4_compound_state *, struct nfsd4_close *);
+extern void nfsd4_get_lockustateid(struct nfsd4_compound_state *, struct nfsd4_locku *);
+
 #endif   /* _NFSD4_CURRENT_STATE_H */
diff --git a/fs/nfsd/nfs4proc.c b/fs/nfsd/nfs4proc.c
index b08f6e5..a985e19 100644
--- a/fs/nfsd/nfs4proc.c
+++ b/fs/nfsd/nfs4proc.c
@@ -1474,6 +1474,7 @@ static struct nfsd4_operation nfsd4_ops[] = {
 		.op_flags = OP_MODIFIES_SOMETHING,
 		.op_name = "OP_LOCK",
 		.op_rsize_bop = (nfsd4op_rsize)nfsd4_lock_rsize,
+		.op_set_currentstateid = (stateid_setter)nfsd4_set_lockstateid,
 	},
 	[OP_LOCKT] = {
 		.op_func = (nfsd4op_func)nfsd4_lockt,
@@ -1484,6 +1485,7 @@ static struct nfsd4_operation nfsd4_ops[] = {
 		.op_flags = OP_MODIFIES_SOMETHING,
 		.op_name = "OP_LOCKU",
 		.op_rsize_bop = (nfsd4op_rsize)nfsd4_status_stateid_rsize,
+		.op_get_currentstateid = (stateid_getter)nfsd4_get_lockustateid,
 	},
 	[OP_LOOKUP] = {
 		.op_func = (nfsd4op_func)nfsd4_lookup,
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index 2604e7e..24eae5c 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -4710,6 +4710,9 @@ put_stateid(struct nfsd4_compound_state *cstate, stateid_t *stateid)
 		cstate->current_stateid = stateid;
 }
 
+/*
+ * functions to set current state id
+ */
 void
 nfsd4_set_openstateid(struct nfsd4_compound_state *cstate, struct nfsd4_open *open)
 {
@@ -4717,13 +4720,28 @@ nfsd4_set_openstateid(struct nfsd4_compound_state *cstate, struct nfsd4_open *op
 }
 
 void
+nfsd4_set_closestateid(struct nfsd4_compound_state *cstate, struct nfsd4_close *close)
+{
+	put_stateid(cstate, &close->cl_stateid);
+}
+
+void
+nfsd4_set_lockstateid(struct nfsd4_compound_state *cstate, struct nfsd4_lock *lock)
+{
+	put_stateid(cstate, &lock->lk_resp_stateid);
+}
+
+/*
+ * functions to consume current state id
+ */
+void
 nfsd4_get_closestateid(struct nfsd4_compound_state *cstate, struct nfsd4_close *close)
 {
 	get_stateid(cstate, &close->cl_stateid);
 }
 
 void
-nfsd4_set_closestateid(struct nfsd4_compound_state *cstate, struct nfsd4_close *close)
+nfsd4_get_lockustateid(struct nfsd4_compound_state *cstate, struct nfsd4_locku *locku)
 {
-	get_stateid(cstate, &close->cl_stateid);
+	get_stateid(cstate, &locku->lu_stateid);
 }
-- 
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