rwlock_acquire 431 include/linux/lockdep.h # define rwlock_acquire(l, s, t, i) lock_acquire(l, s, t, 0, 2, NULL, i) rwlock_acquire 434 include/linux/lockdep.h # define rwlock_acquire(l, s, t, i) lock_acquire(l, s, t, 0, 1, NULL, i) rwlock_acquire 439 include/linux/lockdep.h # define rwlock_acquire(l, s, t, i) do { } while (0)