Hi Christoph, > From: Christoph Hellwig, Sent: Friday, June 7, 2019 5:08 PM > > Looks good. And it seems like you've also found the solution to > your usb storage problem, but I'm going to post the variant I just > hacked up nevertheless. Thank you for your reply! I think this API is related to my problem, but I don't have any actual solution (a patch) for now. So, I'll wait for your patch! Best regards, Yoshihiro Shimoda