Increasing the inode cache attempt counter was apparently dropped while
refactoring the cache code and so stayed at the initial 0 value. Add the
increment back to make the runtime stats more useful.
Signed-off-by: NLucas Stach <dev@lynxeye.de>
Reviewed-by: NDave Chinner <dchinner@redhat.com>
Signed-off-by: NDave Chinner <david@fromorbit.com>