ap_bio 2311 drivers/block/drbd/drbd_int.h int ap_bio = atomic_dec_return(&device->ap_bio_cnt); ap_bio 2313 drivers/block/drbd/drbd_int.h D_ASSERT(device, ap_bio >= 0); ap_bio 2315 drivers/block/drbd/drbd_int.h if (ap_bio == 0 && test_bit(BITMAP_IO, &device->flags)) { ap_bio 2325 drivers/block/drbd/drbd_int.h if (ap_bio < mxb)