On Thu, May 15, 2025 at 05:00:41PM +0200, Martin Wilck wrote: > I didn't mean it this way. I was rather musing about the question > whether doing SG_IO on multipath devices by forwarding them to the > current path makes sense.
It doesn't, and that's the core of the problem. Someone back in the day though just forwarding SG_IO would solve whatever thing they had to do back then and which didn't have a proper kernel abstraction, and it keeps adding problems.