When will we get a proper performant journaled cross platform filesystem that doesn't require additional software on Windows, MacOS, and Linux? I can't believe we still don't have anything like that.
Previous discussion on WinBtrfs https://news.ycombinator.com/item?id=15177002
Journal is about obviating fsck, just do journal replay to make the fs consistent again. I think for most media like USB sticks, the most platform interoperable file system is UDF. The gotcha that trips most people up I think, is that you shouldn't partition the media device. Just format the whole block device as UDF. I do this with mkuddf using defaults and it works fine across all three operating systems with similar performance as FAT32.
I use it on my laptop with 0 issues. It’s really not that complicated...
Remember SOAP interoperability? Me neither. It was too complex for its own good. That's why REST is used everywhere today and experienced web developers smile every now and then when they remember they don't need to use it anymore. Well, most of them at least...
It basically upends the entire separation of layers and requires a completely different approach to use.
The GRUB Btrfs driver is pretty small considering the Btrfs feature set. And yet it understands all the multiple device stuff, the logical and physical device abstraction, and snapshots and subvolume navigation.
I like always on checksums for every block, both metadata and data. It's a good fit for the cheaper flash media out there including USB sticks which non-deterministically report back garbage, rather than a discrete read error.
Hope you never had to store files larger than 4GB otherwise FAT32 would not work for you. (Before you respond with "that's what archive files / files splitting are for", not every device that takes files on an SD card and supports FAT32 has a way to join files on the fly/a way to read archived files.)