946 		DMERR("%s: unable to read needs_check flag, setting failure mode.",  in set_cache_mode()
952 		DMERR("%s: unable to switch cache to write mode until repaired.",  in set_cache_mode()
989 		DMERR("%s: failed to set 'needs_check' flag in metadata", dev_name);  in abort_transaction()
995 		DMERR("%s: failed to abort metadata transaction", dev_name);  in abort_transaction()
1557 		DMERR("%s: policy_invalidate_mapping failed", cache_device_name(cache));  in invalidate_cblock()
2753 		DMERR("%s: could not resize on-disk discard bitset", cache_device_name(cache));  in write_discard_bitset()
2795 		DMERR("%s: could not write dirty bitset", cache_device_name(cache));  in sync_metadata()
2799 		DMERR("%s: could not write discard bitset", cache_device_name(cache));  in sync_metadata()
2805 		DMERR("%s: could not write hints", cache_device_name(cache));  in sync_metadata()
2814 		DMERR("%s: could not write cache metadata", cache_device_name(cache));  in sync_metadata()
2954 			DMERR("%s: unable to extend cache due to missing cache table reload",  in can_resize()
2966 			DMERR("%s: unable to shrink cache; cache block %llu is dirty",  in can_resize()
2982 		DMERR("%s: could not resize cache metadata", cache_device_name(cache));  in resize_cache_dev()
3021 			DMERR("%s: could not load cache mappings", cache_device_name(cache));  in cache_preresume()
3042 			DMERR("%s: could not load origin discards", cache_device_name(cache));  in cache_preresume()
3086 		DMERR("%s: internal error: unknown io mode: %d",  in emit_flags()
3133 			DMERR("%s: dm_cache_get_free_metadata_block_count returned %d",  in cache_status()
3140 			DMERR("%s: dm_cache_get_metadata_dev_size returned %d",  in cache_status()
3170 				DMERR("%s: policy_emit_config_values returned %d",  in cache_status()
3256 	DMERR("%s: invalid cblock range '%s'", cache_device_name(cache), str);  in parse_cblock_range()
3267 		DMERR("%s: begin cblock out of range: %llu >= %llu",  in validate_cblock_range()
3273 		DMERR("%s: end cblock out of range: %llu > %llu",  in validate_cblock_range()
3279 		DMERR("%s: invalid cblock range: %llu >= %llu",  in validate_cblock_range()
3322 		DMERR("%s: cache has to be in passthrough mode for invalidation",  in process_invalidate_cblocks_message()
3364 		DMERR("%s: unable to service cache target messages in READ_ONLY or FAIL mode",  in cache_message()
3497 		DMERR("cache target registration failed: %d", r);  in dm_cache_init()