FUA 121 block/blk-mq-debugfs.c QUEUE_FLAG_NAME(FUA), FUA 275 block/blk-mq-debugfs.c CMD_FLAG_NAME(FUA), FUA 304 drivers/scsi/sd.c static DEVICE_ATTR_RO(FUA); FUA 236 kernel/trace/blktrace.c what |= MASK_TC_BIT(op_flags, FUA);