seq_escape
seq_escape(m, btrfs_dev_name(fs_info->fs_devices->latest_dev), " \t\n\\");
seq_escape(m, devname, " \t\n\\");
seq_escape(m, exp->ex_client->name, " \t\n\\");
seq_escape(m, fsloc->locations[0].path, ",;@ \t\n\\");
seq_escape(m, fsloc->locations[0].hosts, ",;@ \t\n\\");
seq_escape(m, fsloc->locations[i].path, ",;@ \t\n\\");
seq_escape(m, fsloc->locations[i].hosts, ",;@ \t\n\\");
seq_escape(m, s, " \t\n\\#");
seq_escape(m, devname, " \t");
seq_escape(m, name, ",= \t\n\\");
seq_escape(m, value, ", \t\n\\");
seq_escape(sf, buf, " \t\n\\");
seq_escape(m, opt->name, ", \t\n\\");
seq_escape(m, context, "\"\n\\");