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Filesystem

Description

FUSE or File System in User Space module provides a "bridge" to the actual kernel interfaces by running file system code in user space. Creating a file system can be achieved by writing a Virtual File System which is nothing but an abstraction layer above a more concrete file system to provide custom access to users.

Features

The following operations are supported in this file system

  1. Create a directory.
  2. Remove a directory - both empty and non-empty.
  3. Create a file using touch, nano, gedit etc.
  4. Delete an existing file.
  5. Appending to and truncating a file.
  6. Change the permissions of a file or directory.
  7. Access, modified and status change time updates.
  8. Open and close a file.
  9. Read and write to files.
  10. Persistence of all aspects of the file system.

Installing Dependencies

The file system was built over the Distro, Ubuntu 16.04 Xenial Xerus. The fuse version used for this project was FUSE 2.9.4. To install libfuse-dev package on Ubuntu 16.04 (Xenial Xerus), run the following commands.

$ sudo apt-get update
$ sudo apt-get install libfuse-dev

Using this File System

Clone this repository

$ git clone https://github.com/Avinashchavan1443/Filesystem MyFS

Cd into the folder 'MyFS' and mount the filesystem using the makefile

$ cd MyFS
$ make

To view the error logs of fuse and check for memory leaks / errors, run the following commands

$ cd MyFS
$ make debugrun

cd into the mountpoint which is present at ~/Desktop/mountpoint and use the filesystem!

$ cd ~/Desktop/mountpoint

To unmount the filesystem run the following commands

$ cd ~/Desktop
$ sudo umount mountpoint