write_attribute    56 drivers/md/bcache/sysfs.c write_attribute(attach);
write_attribute    57 drivers/md/bcache/sysfs.c write_attribute(detach);
write_attribute    58 drivers/md/bcache/sysfs.c write_attribute(unregister);
write_attribute    59 drivers/md/bcache/sysfs.c write_attribute(stop);
write_attribute    60 drivers/md/bcache/sysfs.c write_attribute(clear_stats);
write_attribute    61 drivers/md/bcache/sysfs.c write_attribute(trigger_gc);
write_attribute    62 drivers/md/bcache/sysfs.c write_attribute(prune_cache);
write_attribute    63 drivers/md/bcache/sysfs.c write_attribute(flash_vol_create);