289 	ssize_t v;  in STORE()  local
313 		long int v = atomic_long_read(&dc->writeback_rate.rate);  in STORE()  local
315 		ret = strtoul_safe_clamp(buf, v, 1, INT_MAX);  in STORE()
318 			atomic_long_set(&dc->writeback_rate.rate, v);  in STORE()
341 		int v = strtoul_or_return(buf);  in STORE()  local
343 		dc->io_disable = v ? 1 : 0;  in STORE()
356 		v = bch_cached_dev_run(dc);  in STORE()
357 		if (v)  in STORE()
358 			return v;  in STORE()
362 		v = __sysfs_match_string(bch_cache_modes, -1, buf);  in STORE()
363 		if (v < 0)  in STORE()
364 			return v;  in STORE()
366 		if ((unsigned int) v != BDEV_CACHE_MODE(&dc->sb)) {  in STORE()
367 			SET_BDEV_CACHE_MODE(&dc->sb, v);  in STORE()
373 		v = __sysfs_match_string(bch_reada_cache_policies, -1, buf);  in STORE()
374 		if (v < 0)  in STORE()
375 			return v;  in STORE()
377 		if ((unsigned int) v != dc->cache_readahead_policy)  in STORE()
378 			dc->cache_readahead_policy = v;  in STORE()
382 		v = __sysfs_match_string(bch_stop_on_failure_modes, -1, buf);  in STORE()
383 		if (v < 0)  in STORE()
384 			return v;  in STORE()
386 		dc->stop_when_cache_set_failed = v;  in STORE()
421 		v = -ENOENT;  in STORE()
423 			v = bch_cached_dev_attach(dc, c, set_uuid);  in STORE()
424 			if (!v)  in STORE()
427 		if (v == -ENOENT)  in STORE()
429 		return v;  in STORE()
561 		uint64_t v;  in STORE()  local
563 		strtoi_h_or_return(buf, v);  in STORE()
565 		u->sectors = v >> 9;  in STORE()
755 	/* See count_io_errors for why 88 */  in SHOW()
756 	sysfs_print(io_error_halflife,	c->error_decay * 88);  in SHOW()
800 	ssize_t v;  in STORE()  local
823 		uint64_t v;  in STORE()  local
825 		strtoi_h_or_return(buf, v);  in STORE()
827 		r = bch_flash_dev_create(c, v);  in STORE()
859 		v = __sysfs_match_string(error_actions, -1, buf);  in STORE()
860 		if (v < 0)  in STORE()
861 			return v;  in STORE()
863 		c->on_error = v;  in STORE()
868 	/* See count_io_errors() for why 88 */  in STORE()
870 		unsigned long v = 0;  in STORE()  local
873 		ret = strtoul_safe_clamp(buf, v, 0, UINT_MAX);  in STORE()
875 			c->error_decay = v / 88;  in STORE()
882 		v = strtoul_or_return(buf);  in STORE()
883 		if (v) {  in STORE()
1120 	ssize_t v;  in STORE()  local
1127 		bool v = strtoul_or_return(buf);  in STORE()  local
1130 			ca->discard = v;  in STORE()
1132 		if (v != CACHE_DISCARD(&ca->sb)) {  in STORE()
1133 			SET_CACHE_DISCARD(&ca->sb, v);  in STORE()
1139 		v = __sysfs_match_string(cache_replacement_policies, -1, buf);  in STORE()
1140 		if (v < 0)  in STORE()
1141 			return v;  in STORE()
1143 		if ((unsigned int) v != CACHE_REPLACEMENT(&ca->sb)) {  in STORE()
1145 			SET_CACHE_REPLACEMENT(&ca->sb, v);  in STORE()