On Tue, 28 Aug 2018, Nuno Gonçalves wrote: > On Mon, Aug 20, 2018 at 4:23 PM Alan Stern <stern@xxxxxxxxxxxxxxxxxxx> wrote: > > It is expected. No notifications for host-initiated ejects were ever > > put into the f_mass_storage driver. > > > > I have never tried to use f_mass_storage under configfs. When you do, > > does the driver create its normal sysfs files? > > Is there any other way to use it? Isn't config fs the way to > instantiate GadgetFS/FunctionFS modules (f_mass_storage)? There is another way: modprobe g_file_storage with appropriate parameters. > The only other files I find in sysfs are the ones referring to the > module being loaded, but those do not change with eject. > > What should I look for? Somewhere under /sys/devices will be a directory for the system's USB device controller. Beneath that will be the gadget directory for f_mass_storage, and below that will be directories for the individual Logical Units. Each LUN will have a sysfs entry named "file", which contains the name of the file or device being used as the backing store. Alan Stern
