NFS: Apply v4.1 capabilities to v4.2

This fixes POSIX locks and possibly a few other v4.2 features, like
readdir plus.

Signed-off-by: Bryan Schumaker <bjschuma@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index dfef23f..c0d3123 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -7399,9 +7399,16 @@
 #if defined(CONFIG_NFS_V4_2)
 static const struct nfs4_minor_version_ops nfs_v4_2_minor_ops = {
 	.minor_version = 2,
+	.init_caps = NFS_CAP_READDIRPLUS
+		| NFS_CAP_ATOMIC_OPEN
+		| NFS_CAP_CHANGE_ATTR
+		| NFS_CAP_POSIX_LOCK
+		| NFS_CAP_STATEID_NFSV41
+		| NFS_CAP_ATOMIC_OPEN_V1,
 	.call_sync = nfs4_call_sync_sequence,
 	.match_stateid = nfs41_match_stateid,
 	.find_root_sec = nfs41_find_root_sec,
+	.free_lock_state = nfs41_free_lock_state,
 	.reboot_recovery_ops = &nfs41_reboot_recovery_ops,
 	.nograce_recovery_ops = &nfs41_nograce_recovery_ops,
 	.state_renewal_ops = &nfs41_state_renewal_ops,