readers_block 17 include/linux/percpu-rwsem.h int readers_block; readers_block 24 kernel/locking/percpu-rwsem.c sem->readers_block = 0; readers_block 67 kernel/locking/percpu-rwsem.c if (likely(!smp_load_acquire(&sem->readers_block))) readers_block 154 kernel/locking/percpu-rwsem.c WRITE_ONCE(sem->readers_block, 1); readers_block 181 kernel/locking/percpu-rwsem.c smp_store_release(&sem->readers_block, 0);