diff --git a/fs/afs/flock.c b/fs/afs/flock.c
index 3ff8bdd18fb3b90de6829780d65b3d4bc3cbeb51..0931bc1325ebd26fe38b9b6cd515d82d6d3fc618 100644
--- a/fs/afs/flock.c
+++ b/fs/afs/flock.c
@@ -21,7 +21,7 @@ static void afs_fl_release_private(struct file_lock *fl);
 static struct workqueue_struct *afs_lock_manager;
 static DEFINE_MUTEX(afs_lock_manager_mutex);
 
-static struct file_lock_operations afs_lock_ops = {
+static const struct file_lock_operations afs_lock_ops = {
 	.fl_copy_lock		= afs_fl_copy_lock,
 	.fl_release_private	= afs_fl_release_private,
 };
diff --git a/fs/lockd/clntproc.c b/fs/lockd/clntproc.c
index 4336adba952a770343150468053a866fe49016c7..c81249fef11f9a3f48b02d772e4d09d3216a2557 100644
--- a/fs/lockd/clntproc.c
+++ b/fs/lockd/clntproc.c
@@ -458,7 +458,7 @@ static void nlmclnt_locks_release_private(struct file_lock *fl)
 	nlm_put_lockowner(fl->fl_u.nfs_fl.owner);
 }
 
-static struct file_lock_operations nlmclnt_lock_ops = {
+static const struct file_lock_operations nlmclnt_lock_ops = {
 	.fl_copy_lock = nlmclnt_locks_copy_lock,
 	.fl_release_private = nlmclnt_locks_release_private,
 };
diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c
index 1434080aefeb22e77896c4f2a18f26e77df535bc..2ef4fecf39847049cce4a5af771760255dca29c5 100644
--- a/fs/nfs/nfs4state.c
+++ b/fs/nfs/nfs4state.c
@@ -638,7 +638,7 @@ static void nfs4_fl_release_lock(struct file_lock *fl)
 	nfs4_put_lock_state(fl->fl_u.nfs4_fl.owner);
 }
 
-static struct file_lock_operations nfs4_fl_lock_ops = {
+static const struct file_lock_operations nfs4_fl_lock_ops = {
 	.fl_copy_lock = nfs4_fl_copy_lock,
 	.fl_release_private = nfs4_fl_release_lock,
 };
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 13c030ebfd28eb7024c0ebdac906b9d65bb4fcb8..6146dec21c35338dd5748f133fed25e992eaebcb 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1066,7 +1066,7 @@ struct file_lock {
 	struct fasync_struct *	fl_fasync; /* for lease break notifications */
 	unsigned long fl_break_time;	/* for nonblocking lease breaks */
 
-	struct file_lock_operations *fl_ops;	/* Callbacks for filesystems */
+	const struct file_lock_operations *fl_ops;	/* Callbacks for filesystems */
 	struct lock_manager_operations *fl_lmops;	/* Callbacks for lockmanagers */
 	union {
 		struct nfs_lock_info	nfs_fl;