Re: [PATCH 0/2] dm mpath: Interface for explicit probing of active paths

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On Tue, May 13, 2025 at 08:09:45AM +0200, Hannes Reinecke wrote:
> On 5/13/25 07:55, Christoph Hellwig wrote:
> > On Mon, May 12, 2025 at 05:18:43PM +0200, Kevin Wolf wrote:
> > > Yes, it's a bit unfortunate, but we have to work with what we have. QEMU
> > > doesn't even necessarily know that it's dealing with a multipath device,
> > > so it just has to blindly try the ioctl and see if it works.
> > 
> > Why is qemu even using SG_IO to start with?
> > 
> To be able to forward SCSI commands.

Why?





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