ra_kb 90 block/blk-sysfs.c unsigned long ra_kb = q->backing_dev_info->ra_pages << ra_kb 93 block/blk-sysfs.c return queue_var_show(ra_kb, (page)); ra_kb 99 block/blk-sysfs.c unsigned long ra_kb; ra_kb 100 block/blk-sysfs.c ssize_t ret = queue_var_store(&ra_kb, page, count); ra_kb 105 block/blk-sysfs.c q->backing_dev_info->ra_pages = ra_kb >> (PAGE_SHIFT - 10);