111 	struct cached_dev *dc = container_of(kobj, struct cached_dev,  in SHOW()  local
115 #define var(stat)		(dc->stat)  in SHOW()
120 					       BDEV_CACHE_MODE(&dc->sb));  in SHOW()
122 	sysfs_printf(data_csum,		"%i", dc->disk.data_csum);  in SHOW()
129 	sysfs_hprint(writeback_rate,	dc->writeback_rate.rate << 9);  in SHOW()
144 		bch_hprint(rate,	dc->writeback_rate.rate << 9);  in SHOW()
145 		bch_hprint(dirty,	bcache_dev_sectors_dirty(&dc->disk) << 9);  in SHOW()
146 		bch_hprint(target,	dc->writeback_rate_target << 9);  in SHOW()
147 		bch_hprint(proportional,dc->writeback_rate_proportional << 9);  in SHOW()
148 		bch_hprint(derivative,	dc->writeback_rate_derivative << 9);  in SHOW()
149 		bch_hprint(change,	dc->writeback_rate_change << 9);  in SHOW()
151 		next_io = div64_s64(dc->writeback_rate.next - local_clock(),  in SHOW()
167 		     bcache_dev_sectors_dirty(&dc->disk) << 9);  in SHOW()
169 	sysfs_hprint(stripe_size,	dc->disk.stripe_size << 9);  in SHOW()
175 	sysfs_print(running,		atomic_read(&dc->running));  in SHOW()
176 	sysfs_print(state,		states[BDEV_STATE(&dc->sb)]);  in SHOW()
179 		memcpy(buf, dc->sb.label, SB_LABEL_SIZE);  in SHOW()
192 	struct cached_dev *dc = container_of(kobj, struct cached_dev,  in STORE()  local
198 #define d_strtoul(var)		sysfs_strtoul(var, dc->var)  in STORE()
199 #define d_strtoul_nonzero(var)	sysfs_strtoul_clamp(var, dc->var, 1, INT_MAX)  in STORE()
200 #define d_strtoi_h(var)		sysfs_hatoi(var, dc->var)  in STORE()
202 	sysfs_strtoul(data_csum,	dc->disk.data_csum);  in STORE()
209 	sysfs_strtoul_clamp(writeback_percent, dc->writeback_percent, 0, 40);  in STORE()
212 			    dc->writeback_rate.rate, 1, INT_MAX);  in STORE()
222 		bch_cache_accounting_clear(&dc->accounting);  in STORE()
226 		bch_cached_dev_run(dc);  in STORE()
234 		if ((unsigned) v != BDEV_CACHE_MODE(&dc->sb)) {  in STORE()
235 			SET_BDEV_CACHE_MODE(&dc->sb, v);  in STORE()
236 			bch_write_bdev_super(dc, NULL);  in STORE()
243 		memcpy(dc->sb.label, buf, size);  in STORE()
245 			dc->sb.label[size] = '\0';  in STORE()
246 		if (size && dc->sb.label[size - 1] == '\n')  in STORE()
247 			dc->sb.label[size - 1] = '\0';  in STORE()
248 		bch_write_bdev_super(dc, NULL);  in STORE()
249 		if (dc->disk.c) {  in STORE()
250 			memcpy(dc->disk.c->uuids[dc->disk.id].label,  in STORE()
252 			bch_uuid_write(dc->disk.c);  in STORE()
258 		add_uevent_var(env, "CACHED_UUID=%pU", dc->sb.uuid),  in STORE()
261 			&disk_to_dev(dc->disk.disk)->kobj, KOBJ_CHANGE, env->envp);  in STORE()
266 		if (bch_parse_uuid(buf, dc->sb.set_uuid) < 16)  in STORE()
270 			v = bch_cached_dev_attach(dc, c);  in STORE()
279 	if (attr == &sysfs_detach && dc->disk.c)  in STORE()
280 		bch_cached_dev_detach(dc);  in STORE()
283 		bcache_device_stop(&dc->disk);  in STORE()
290 	struct cached_dev *dc = container_of(kobj, struct cached_dev,  in STORE()  local
297 		bch_writeback_queue(dc);  in STORE()
300 		schedule_delayed_work(&dc->writeback_rate_update,  in STORE()
301 				      dc->writeback_rate_update_seconds * HZ);  in STORE()