On 7 Jan 2020, at 16:07, Dave Chinner wrote: > IOWs, there are *lots* of 64bit inode numbers out there on XFS > filesystems.... It's less likely in btrfs but +1 to all of Dave's comments. I'm happy to run a scan on machines in the fleet and see how many have 64 bit inodes (either buttery or x-y), but it's going to be a lot. -chris