I finished off the last major patch implementing support for creating, fscking, etc. ext4 file systems with more than 2^32 blocks about 12 hours before my shoulder surgery. Hurrah! It will at some point be pulled into Ted T’so’s mainline repository, but until then it is available in my repo on kernel.org:
The branch is “64bit”. For testing only – don’t put data you care about in file systems made with these tools!
Email bugs to: