srcu_read_lock 48 include/linux/srcu.h int srcu_read_lock(struct srcu_struct *sp) __acquires(sp); srcu_read_lock 485 kernel/notifier.c idx = srcu_read_lock(&nh->srcu); srcu_read_lock 441 kernel/rcutorture.c return srcu_read_lock(&srcu_ctl);