This fixes sparse noise:
  error: dubious one-bit signed bitfield
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Cc: Jan Kara <jack@ucw.cz>
         * This transaction is being forced and some process is
         * waiting for it to finish.
         */
-       int t_synchronous_commit:1;
+       unsigned int t_synchronous_commit:1;
 
        /*
         * For use by the filesystem to store fs-specific data