nfs: add a new NFS4_OPEN_RESULT_MAY_NOTIFY_LOCK constant

As defined in RFC 5661, section 18.16.

Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>

diff --git a/include/uapi/linux/nfs4.h b/include/uapi/linux/nfs4.h
index 2b871e0858d9fb23364ab908b22a39118bf5d34e..4ae62796bfdeec2570811ff4e8c43a332f6a6848 100644 (file)
--- a/include/uapi/linux/nfs4.h
+++ b/include/uapi/linux/nfs4.h
@@ -39,8 +39,9 @@
 #define NFS4_FH_VOL_MIGRATION          0x0004
 #define NFS4_FH_VOL_RENAME             0x0008
 
-#define NFS4_OPEN_RESULT_CONFIRM 0x0002
-#define NFS4_OPEN_RESULT_LOCKTYPE_POSIX 0x0004
+#define NFS4_OPEN_RESULT_CONFIRM               0x0002
+#define NFS4_OPEN_RESULT_LOCKTYPE_POSIX                0x0004
+#define NFS4_OPEN_RESULT_MAY_NOTIFY_LOCK       0x0020
 
 #define NFS4_SHARE_ACCESS_MASK 0x000F
 #define NFS4_SHARE_ACCESS_READ 0x0001