SLOSBD - Sample Block device driver

Author: Ritesh Harjani ritesh.harjani@gmail.com

Description

This is sample block device driver example compiled and tested on 3.10 kernel.

This is based out of LWN article: https://lwn.net/Articles/58719/ which was based on 2.6 kernel.

Makefile:

obj-y	+= slos_bd.o

Commands on Terminal:

ls /dev/block/slos0
./data/busybox/busybox fdisk /dev/block/slos0

Create partition

Command (m for help): n
Command action
   e   extended
   p   primary partition (1-4)
p
Partition number (1-4): 1
First cylinder (1-16, default 1):
Using default value 1
Last cylinder, +cylinders or +size{K,M,G} (1-16, default 16):
Using default value 16

Command (m for help): w
The partition table has been altered!

Calling ioctl() to re-read partition table.

./data/busybox/busybox mkfs.vfat /dev/block/slos0p1
mount -t vfat /dev/block/slos0p1 /mnt
echo "slos sample block device" > /mnt/file
cat /mnt/file.
umount /mnt

Contribution

Feel free to submit a pull request for any bug fixes/enhancements