On Fri, Oct 11, 2024 at 11:27:45PM +0900, Tetsuo Handa wrote: > Or, some filesystems are already using inode numbers beyond UINT_MAX but the > capacity limitation on 32-bit architectures practically prevented users from > creating/mounting filesystems with so many inodes enough to require inode > numbers going beyond UINT_MAX? Plenty of file systems use 64-bit inode numbers. XFS and btrfs for example if you care about commonly used local file systems.