Well if you're using ZFS you can create a zvol for your dropbox folder and format it in ext4 and it'll work: https://pthree.org/2012/12/21/zfs-administration-part-xiv-zv...
After numerous attempts, I decided to stop battling tools which aren’t working for me, so I just uninstalled Dropbox instead.
Their loss, not mine.
Well if you're using ZFS you can create a zvol for your dropbox folder and format it in ext4 and it'll work: https://pthree.org/2012/12/21/zfs-administration-part-xiv-zv...