On Fri, Apr 21, 2017 at 04:36:20AM -0700, Christoph Hellwig wrote: > Btw, I really don't understand why this code even looks at bios over > just requeueing the request. Can someone explain that bit to me? This was done because Linux could migrate from a host supporting indirect descriptors to a host not supporting them, and so the maximum number of segments per request could change, and the requests already on the queue might need to be split. Roger.
