Jffs2
From Openmoko
Mounting a JFFS2 image
Make the MTD block device
mknod /dev/mtdblock0 b 31 0
Associate the jffs2 file with a loopback device
losetup /dev/loop0 /path/to/jffs2/file/eg/Om200Y.MM-gtaNN-YYYYMMDD.rootfs.jffs2
Load the block2mtd module
modprobe block2mtd
Tell the module which loopback device to use
echo /dev/loop0 >/sys/module/block2mtd/parameters/block2mtd
Make a mount point for the file system
mkdir /mnt/jffs2
Mount the file system
mount -t jffs2 /dev/mtdblock0 /mnt/jffs2/