[CIFS] Add stats for findfirst, findnext, findclose

Signed-off-by: Steve French (sfrench@us.ibm.com)
diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h
index 81babab..4ed9c13 100644
--- a/fs/cifs/cifsglob.h
+++ b/fs/cifs/cifsglob.h
@@ -219,6 +219,9 @@
 	atomic_t num_rmdirs;
 	atomic_t num_renames;
 	atomic_t num_t2renames;
+	atomic_t num_ffirst;
+	atomic_t num_fnext;
+	atomic_t num_fclose;
 	__u64    bytes_read;
 	__u64    bytes_written;
 	spinlock_t stat_lock;