PreRequiste task for vicharak kernel dev role

CHANGELOG:

• Utilized kfifo for the circular buffer.
• created a character device /dev/ankit
• change data structure of struct data->data to static char array with size of 128 bytes, to make it less error prone and production use.
• add mutex locks for handling concurrency.

Build the kernel Module and Install

cd kernel_space/
make
sudo insmod ioctl_kfifo.ko

Build the userspace

cd user_space/

gcc -o configurator configurator.c
gcc -o filler filler.c
gcc -o reader reader.c

Run userspace code in Order

sudo -s

./configurator
./filler
./reader