On Mon, Jul 04, 2022 at 12:58:40PM +0000, Johannes Thumshirn wrote: > > -#ifdef CONFIG_BLK_DEV_ZONED > > - > > /* Helper to convert BLK_ZONE_ZONE_XXX to its string format XXX */ > > const char *blk_zone_cond_str(enum blk_zone_cond zone_cond); > > > > Won't this break tracing in null_blk, which uses blk_zone_cond_str()? How could removing an ifdef and exposing a prototype unconditionally in a header break tracing?