On Wednesday August 9, jengelh@xxxxxxxxxxxxxxx wrote: > >> Why we're updating it BACKWARD in the first place? > > > >To avoid writing to spares when it isn't needed - some people want > >their spare drives to go to sleep. > > That sounds a little dangerous. What if it decrements below 0? It cannot. md decrements the event count only on a dirty->clean transition, and only if it had previously incremented the count on a clean->dirty transition. So it can never go below what it was when the array was assembled. NeilBrown - To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
