Ext4 Contributing
From Ext4
Overview
This page summarizes the process of contributing code to the ext4 kernel driver or to e2fsprogs.
e2fsprogs
1. Clone the e2fsprogs git repo (git://git.kernel.org/pub/scm/fs/ext2/e2fsprogs.git) 1. Write and commit changes to the repo. 1.
ext4 kernel
1. Clone the kernel git repo (git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git) 1. https://www.kernel.org/doc/Documentation/SubmittingPatches