usage_idx 495 block/blk-iocost.c int usage_idx; usage_idx 1447 block/blk-iocost.c iocg->usage_idx = (iocg->usage_idx + 1) % NR_USAGE_SLOTS; usage_idx 1448 block/blk-iocost.c iocg->usages[iocg->usage_idx] = usage; usage_idx 88 drivers/hid/hid-input.c unsigned int *usage_idx) usage_idx 101 drivers/hid/hid-input.c if (usage_idx) usage_idx 102 drivers/hid/hid-input.c *usage_idx = cur_idx;