237 		btrfs_err(fs_info, "%s must be used with ro mount option",  in check_ro_option()
461 				btrfs_err(info, "unrecognized compression value %s",  in btrfs_parse_options()
521 				btrfs_err(info, "unrecognized thread_pool value %s",  in btrfs_parse_options()
525 				btrfs_err(info, "invalid value 0 for thread_pool");  in btrfs_parse_options()
554 			btrfs_err(info, "support for ACL not compiled in!");  in btrfs_parse_options()
587 				btrfs_err(info, "unrecognized metadata_ratio value %s",  in btrfs_parse_options()
607 				btrfs_err(info, "unrecognized discard mode value %s",  in btrfs_parse_options()
643 				btrfs_err(info, "unrecognized space_cache value %s",  in btrfs_parse_options()
731 				btrfs_err(info,  in btrfs_parse_options()
746 			btrfs_err(info,  in btrfs_parse_options()
759 				btrfs_err(info, "unrecognized fatal_errors value %s",  in btrfs_parse_options()
769 				btrfs_err(info, "unrecognized commit_interval value %s",  in btrfs_parse_options()
788 				btrfs_err(info, "unrecognized rescue value %s",  in btrfs_parse_options()
816 			btrfs_err(info, "unrecognized mount option '%s'", p);  in btrfs_parse_options()
836 		btrfs_err(info, "cannot disable free space tree");  in btrfs_parse_options()
841 		btrfs_err(info, "cannot disable free space tree with block-group-tree feature");  in btrfs_parse_options()
1159 		btrfs_err(fs_info, "super_setup_bdi failed");  in btrfs_fill_super()
1165 		btrfs_err(fs_info, "open_ctree failed");  in btrfs_fill_super()
1409 			btrfs_err(fs_info, "'%s' is not a valid subvolume",  in mount_subvol()
1419 			btrfs_err(fs_info,  in mount_subvol()
1811 			btrfs_err(fs_info,  in btrfs_remount()
2280 		btrfs_err(fs_info, "csum type changed, has %u expect %u",  in check_dev_super()
2287 		btrfs_err(fs_info, "csum for on-disk super block no longer matches");  in check_dev_super()
2298 		btrfs_err(fs_info, "transid mismatch, has %llu expect %llu",  in check_dev_super()