868 		DMERR("%s: unable to read needs_check flag, setting failure mode.",  in set_cache_mode()
874 		DMERR("%s: unable to switch cache to write mode until repaired.",  in set_cache_mode()
911 		DMERR("%s: failed to set 'needs_check' flag in metadata", dev_name);  in abort_transaction()
917 		DMERR("%s: failed to abort metadata transaction", dev_name);  in abort_transaction()
1479 		DMERR("%s: policy_invalidate_mapping failed", cache_device_name(cache));  in invalidate_cblock()
2675 		DMERR("%s: could not resize on-disk discard bitset", cache_device_name(cache));  in write_discard_bitset()
2717 		DMERR("%s: could not write dirty bitset", cache_device_name(cache));  in sync_metadata()
2721 		DMERR("%s: could not write discard bitset", cache_device_name(cache));  in sync_metadata()
2727 		DMERR("%s: could not write hints", cache_device_name(cache));  in sync_metadata()
2736 		DMERR("%s: could not write cache metadata", cache_device_name(cache));  in sync_metadata()
2871 			DMERR("%s: unable to extend cache due to missing cache table reload",  in can_resize()
2883 			DMERR("%s: unable to shrink cache; cache block %llu is dirty",  in can_resize()
2899 		DMERR("%s: could not resize cache metadata", cache_device_name(cache));  in resize_cache_dev()
2938 			DMERR("%s: could not load cache mappings", cache_device_name(cache));  in cache_preresume()
2959 			DMERR("%s: could not load origin discards", cache_device_name(cache));  in cache_preresume()
3003 		DMERR("%s: internal error: unknown io mode: %d",  in emit_flags()
3050 			DMERR("%s: dm_cache_get_free_metadata_block_count returned %d",  in cache_status()
3057 			DMERR("%s: dm_cache_get_metadata_dev_size returned %d",  in cache_status()
3087 				DMERR("%s: policy_emit_config_values returned %d",  in cache_status()
3197 	DMERR("%s: invalid cblock range '%s'", cache_device_name(cache), str);  in parse_cblock_range()
3208 		DMERR("%s: begin cblock out of range: %llu >= %llu",  in validate_cblock_range()
3214 		DMERR("%s: end cblock out of range: %llu > %llu",  in validate_cblock_range()
3220 		DMERR("%s: invalid cblock range: %llu >= %llu",  in validate_cblock_range()
3263 		DMERR("%s: cache has to be in passthrough mode for invalidation",  in process_invalidate_cblocks_message()
3305 		DMERR("%s: unable to service cache target messages in READ_ONLY or FAIL mode",  in cache_message()
3430 		DMERR("cache target registration failed: %d", r);  in dm_cache_init()