Gphotofs
From Gentoo Wiki
gphotofs is a FUSE file system for interfacing with digital cameras using gphoto2. Most modern mobile phones are cameras at the same time, and gphotofs can be a good alternative to MTPfs or go-mtpfs.
Installation
Kernel
See the MTP meta article or the FUSE article for instructions on enabling FUSE support in the Linux kernel.
Emerge
Install media-gfx/gphotofs:
root #
emerge --ask media-gfx/gphotofs
Usage
user $
mkdir ~/AndroidDevice
user $
gphotofs ~/AndroidDevice -o allow_other
Unmount:
user $
fusermount -u ~/AndroidDevice