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USFS(4) Device Drivers Manual USFS(4)

usfsUSB device side support for bulk only transport mass storage

To compile this driver into the kernel, place the following lines in your kernel configuration file:

device usb
device usfs

Alternatively, to load the driver as a module at boot time, place the following line in loader.conf(5):

usfs_load="YES"

The usfs driver provides support for emulating an USB mass storage device when the USB stack is activated in USB device side mode.

Upon attach the driver creates a RAM disk which can be read and written.

umass(4), usb(4)

The usfs driver appeared in FreeBSD 8.

March 18, 2014 DragonFly-5.6.1