1 files changed, 5 insertions, 0 deletions

diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h
index a95c56dc7058..3c007fe641f9 100644
--- a/fs/cifs/cifsglob.h
+++ b/fs/cifs/cifsglob.h
@@ -32,6 +32,8 @@
 #include "smb2pdu.h"
 #endif
 
+#define CIFS_MAGIC_NUMBER 0xFF534D42      /* the first four bytes of SMB PDUs */
+
 /*
  * The sizes of various internal tables and strings
  */
@@ -334,6 +336,9 @@ struct smb_version_operations {
         /* send oplock break response */
         int (*oplock_response)(struct cifs_tcon *, struct cifs_fid *,
                                struct cifsInodeInfo *);
+        /* query remote filesystem */
+        int (*queryfs)(const unsigned int, struct cifs_tcon *,
+                       struct kstatfs *);
 };
 
 struct smb_version_values {