gc -a mass /home/users 报错

[friddle]

failed to create mass storage function! (maybe kernel module not loaded?)

如何排查这个问题？

[moonsn]

The third parameter should not be a directory. @friddle

[moonsn]

An existing physical partition or a logical volume can be used as shared storage device; another option is to use a flat file as shared storage.

https://linux-sunxi.org/USB_Gadget/Mass_storage#Preparing_shared_storage_device