lock_acquire_shared_recursive 495 include/linux/lockdep.h #define rwlock_acquire_read(l, s, t, i) lock_acquire_shared_recursive(l, s, t, NULL, i) lock_acquire_shared_recursive 499 include/linux/lockdep.h #define seqcount_acquire_read(l, s, t, i) lock_acquire_shared_recursive(l, s, t, NULL, i) lock_acquire_shared_recursive 512 include/linux/lockdep.h #define lock_map_acquire_read(l) lock_acquire_shared_recursive(l, 0, 0, NULL, _THIS_IP_) lock_acquire_shared_recursive 513 include/linux/lockdep.h #define lock_map_acquire_tryread(l) lock_acquire_shared_recursive(l, 0, 1, NULL, _THIS_IP_)